A luminance controller according to example embodiments includes a gamma set selector to select a reference gamma set from among first through N-th gamma sets respectively corresponding to first through N-th reference luminances, based on a target luminance of a display panel; an initialization voltage selector to select an initialization voltage corresponding to the reference gamma set, from among first through N-th initialization voltage offsets respectively corresponding to the first through N-th gamma sets; a common voltage selector to select a common voltage corresponding to the reference gamma set from among first through N-th common voltage offsets respectively corresponding to the first through N-th gamma sets; and a determiner to determine a target initialization voltage based on the target luminance and the initialization voltage, and to determine a target common voltage based on the target luminance and the common voltage.

A gate driver includes clock signal lines respectively transferring clock signals, at least two of the clock signals being mutually the same; and gate driving units electrically connected to the clock signal lines, respectively and configured to sequentially generate gate signals having a multi-clock pulse based on the clock signals.

A scan driver includes a plurality of scan driving blocks. Each of the scan driving blocks includes a first shift register including a plurality of driving transistors, the first shift register being configured to provide a first driving signal to a first driving node and to provide a second driving signal to a second driving node, a second shift register including a plurality of masking transistors, the second shift register being configured to provide a masking signal to a masking output node, and a buffer circuit including a plurality of buffer transistors, the buffer circuit being configured to provide scan signals. The buffer circuit outputs the scan signals that include the first pulse or the scan signals that include the first pulse and the second pulse based on the masking signal.

The present invention discloses an organic light-emitting diode display device and a driving method thereof. The device includes: a plurality of pixels, including a plurality of organic light-emitting diodes and a plurality of drive transistors for supplying drive currents to the organic light-emitting diodes; a data driver, configured to transmit corresponding data signals to the plurality of pixels via a plurality of data lines; and a pre-charge circuit, configured to pre-charge voltage signals reserved in a previous time sequence to an initial voltage, the initial voltage being less than or equal to a minimum voltage of the data signals, wherein before the data driver transmits the corresponding data signals to the plurality of pixels, the pre-charge circuit acts to pre-charge the voltage signals reserved in the previous time sequence by the plurality of pixels to be less than or equal to the minimum voltage of the data signals.

An RGB to RGBW brightness compensation method and device is disclosed. The method includes: retrieving multiple gray scale values of RGB color RGB(x, y, z), wherein x, y, z are gray scale levels of red, green and blue sub-pixels of an RGB model, 0≦x, y, z≦1; multiplying the gray scale values of RGB color RGB (x, y, z) by N to obtain an enhanced gray scale values of RGB color RGB (Nx, Ny, Nz), wherein N is 4/3 and a minimum value selected from x, y, z is taken to represent a first conversion value W1; and obtaining multiple gray scale values of RGBW color RGBW (Nx−W1, Ny−W1, Nz−W1, W1) according to the enhanced gray scale values of RGB color RGB (Nx, Ny, Nz) and the first conversion value W1. Accordingly, a brightness of the RGBW model of a liquid crystal panel is compensated.

According to one embodiment, each pixel of a liquid crystal display device includes: a switch configured to sample subframe data; a storage unit configured to hold the subframe data sampled by the switch, the storage unit and the switch constituting an SRAM cell; and a conductive switch disposed between a liquid crystal display element and an adjacent pixel. A range of a source voltage of NMOS and PMOS transistors constituting each inverter constituting the storage unit of one pixel is configured to be able to be set separately from a range of a source voltage of NMOS and PMOS transistors constituting each inverter constituting the storage unit of another pixel.

To reduce the area of a portion where a plurality of transistors are provided in a region around a display region and to reduce the area of the region around the display region, a display device includes a first transistor and a second transistor each as a transistor, and the transistor includes a connection wiring that electrically connects a semiconductor film and a source-drain electrode to each other via an opening portion provided in an insulating film. The first transistor and the second transistor are adjacent to each other, and there is a clearance between an end portion, on the side of the second transistor, of the connection wiring in the first transistor and an end portion, on the side of the second transistor, of the opening portion in the first transistor.

Provided is a display device. The display device includes: a plurality of gate lines extending in a first direction; a plurality of data lines extending in a second direction that intersects the first direction; and a plurality of pixels connected to the gate lines and the data lines, wherein the pixels include pixels h-th row pixels (h is a natural number) and (h+1)-th row pixels, which are adjacent to each other in the second direction, with a (k+1)-th gate line (k is a natural number) therebetween among the gate lines; and a first pixel displaying a first color and connected to the (k+1)-th gate line among the h-th row pixels and a second pixel displaying the first color and connected to the (k+1)-th gate line among the (h+1)-th row pixels are spaced apart from each other in the first direction and receive different polarities of data voltages.

A GOA (Gate driver On Array) for an LCD (Liquid Crystal Display) device is disclosed herein. The LCD device comprises a plurality of scanning lines. The GOA circuit comprises a plurality of GOA units, which are cascaded with each other as a plurality of level GOA units. The (n)th level GOA unit comprises a clock circuit, a pull-down circuit, a bootstrap capacitor circuit, a pull-up circuit, and a pull-down sustain circuit, to improve the color shift issue of a Tri-gate.

A driver IC for driving a display panel, a display device and a method for driving the driver IC are provided. The driver IC is provided with N pins corresponding to N signal transmission lines of the display panel respectively. Each pin is connected to one corresponding signal transmission line through one transmission wire. The N pins include a first pin and a second pin. The transmission wires include a first transmission wire connected to the first pin and a second transmission wire connected to the second pin and having a length less than the first transmission wire. The driver IC includes a signal generation module configured to generate N driving signals. The N driving signals include a first driving signal corresponding to the first pin and a second driving signal corresponding to the second pin and having a current intensity less than the first driving signal.

An electrooptic device includes a scan line; data lines; a scan line driving circuit that selects the scan line; a data line driving circuit that supplies data signals to the data lines; a TFT that includes a gate electrode receiving gate signals for selecting the data line and has one end connected to the data line and the other end connected to the data line driving circuit; and a TFT that includes a gate electrode receiving gate signals for selecting the data line and has one end connected to the data line and the other end connected to the data line driving circuit. The gate electrode of the TFT overlaps the data line.

Provided is a display device, including: a display panel including a pixel electrode and a common electrode; a common voltage generating circuit configured to generate a common voltage to be supplied to the common electrode; a plurality of common transmission lines configured to transmit, to the common electrode, the common voltage generated by the common voltage generating circuit; a plurality of detection units, which are connected to the plurality of common transmission lines, respectively, and are configured to detect a transmission error of the common voltage in the plurality of common transmission lines, respectively; and a current adjusting unit configured to adjust a current amount of an output current of the common voltage generating circuit based on detection results of the plurality of detection units.

The present invention provides an electronic device (100) having smaller number of drive chips and including a timing controller (10), a gate and a source drive chips (20, 30), a pixel cells matrix (60) and a multiplexer (40). The multiplexer (40) includes a plurality of first signal outputs connected to the pixel cells matrix (60). The timing controller (10) might generate enable signals for the multiplexer (40). In this way, the multiplexer (40) could output scan signals to the pixel cells matrix by a corresponding signal end. The number of the drive chips could be reduced by the present invention.

The present disclosure provides a shift register unit including a pull-up module, an input module, a pull-down control module, a pull-down module, a reset discharging module, a voltage dividing module, a holding module, and a far end pull-down module. The shift register unit is designed in a split manner in order to perform pull-down compensation to the output signal at the far end, saving the low voltage signal at the far end, thereby saving the space and facilitating the design. The present disclosure further provides a gate driving device and a display device using the shift register unit.

A gate driving circuit in a display device includes a plurality of stages connected in cascade. An ith stage from among the plurality of stages includes a first output unit, a control unit, a pull-down unit, and an inverter unit. The first output unit includes a first output transistor including a first control electrode, a second control electrode overlapping with the first control electrode, an input electrode, and an output electrode. A signal outputted from an inverter unit of an i−1th stage is applied to the second control electrode.

A timepiece wrist terminal includes: a setting processing unit; a location information acquisition unit; a related information acquisition unit; a time difference calculation processing unit; and an output control unit. The setting processing unit acquires a first location. The location information acquisition unit acquires a second location that is different from the first location. The related information acquisition unit acquires information related to the first location. The related information acquisition unit also acquires information related to the second location. The time difference calculation processing unit generates differential information in accordance with the information related to the first location and the information related to the second location. The output control unit controls the output unit so as to display an object that represents the differential information, at least one of attributes of the object displayed being continuously varied in accordance with a differential amount representing the differential information.

Provided are a flexible display screen having an extending mode and a retracting mode, a display device comprising the flexible display screen and a display method applicable to the flexible display screen, wherein in the extending mode, the entire flexible display screen can be used for displaying, and in the retracting mode, at least a portion of the flexible display screen is curled and an uncurled portion thereof can be used for displaying. According to the flexible display screen, the display device and the display method, a display region of the flexible display screen can be extended in the extending mode so as to enhance visual experience of the user, and at least a portion of the flexible display screen can be curled and retracted in the retracting mode so as to improve the portability. Meanwhile, a partitioned control can be performed to the displaying on the flexible display screen so as to reduce power consumption of the flexible display screen.

An input device and an air conditioner including the same, wherein the input device receives operation input of an air conditioner including an outdoor unit and an indoor unit, and the input device includes a display unit, a communication unit to communicate with the indoor unit, and a controller to perform control such that a home screen including a plurality of icon items is displayed on the display unit and to perform control such that at least one selected from between the luminance and the color of the home screen is changed in response to the operation of a power button.

A method of simulating print color on mobile devices, comprising: obtaining a second group of tristimulus values by a chromaticity measuring device through a measuring method; creating a CIEXYZ color space of the mobile device by the second group of tristimulus values, and transforming the CIEXYZ color space to a sRGB color space via a 1D lookup table and a transformation matrix; obtaining a print color from a ICC profile of an output device by 3D lookup table and generating a second color calibrated profile by finding another color, similar to the print color from the ICC profile of the output device, in the sRGB color space through tone mapping; and simulating the print color on a screen of the mobile device by using the second color calibrated profile, whereby the user can directly preview the printed photo on the screen thereby achieving saving print ink and time.

A display device includes: a zoom ratio determining unit configured to determine whether a zoom ratio different from a current zoom ratio is set for a first image; a data type determining unit configured to determine a type of the first image; state determining unit configured to determine an operating state of the display device; a display item acquiring unit configured to acquire an item to be displayed in a second image that indicates information on the display device in accordance with the type that has been determined and the operating state that has been determined; and a position adjusting unit configured to adjust a display position of the second image in accordance with the zoom ratio that is different from the current zoom ratio set for the first image, in response to the zoom ratio determining unit determining that the zoom ratio is set.

The present invention discloses a display unit, a display panel and a driving method thereof, wherein the display unit comprises a full color display subunit capable of displaying full color, and at least one black and white display subunit capable of displaying black and white, when the display unit operates in a first display mode, the full color display subunit and all the black and white display subunit(s) in the display unit display one pixel together; and when the display unit operates in a second display mode, the full color display subunit in the display unit displays one color pixel, and each black and white display subunit in the display unit displays one black/white pixel independently. According to the present invention, pixel display information at the boundaries can be increased, that is, display resolution of the display panel is improved, thereby improving display quality of the display panel.

An OLED touch display panel capable of detecting and reacting to touches on the display includes a signal sending element emitting ultrasonic signals, a driving layer configured to provide display driving signals, a light-emitting element configured to receive the display driving signals and emit light, and a signal receiving element configured for receiving reflected ultrasonic signals. The light-emitting element includes a plurality of light-emitting units and a plurality of black matrixes. Every two adjacent light-emitting units are separated from each other by one of the black matrixes. The signal receiving element includes a plurality of thin film transistor units arranged in a matrix. Each thin film transistor unit is formed on one of the black matrixes.

A level-shift circuit that operates stably is provided. The level-shift circuit has a function of boosting a first signal having an amplitude voltage between a first voltage and a second voltage to a second signal having an amplitude voltage between a third voltage and the second voltage. The level-shift circuit includes first to eighth transistors. Gates of the third and seventh transistors are electrically connected to a wiring for transmitting a third signal for controlling the amounts of current flowing into one of a source and a drain of the first transistor, one of a source and a drain of the second transistor, one of a source and a drain of the fifth transistor, and one of a source and a drain of the sixth transistor.

A virtual reality display device that can include a first pixel array and a second pixel array. Pixels of the pixel arrays can have a response time that is less than 2 msec, where the response time for a pixel is a sum of a first amount of time for brightness of the pixel to rise from 10% of white luminance to 90% of white luminance and a second amount of time for response time to fall from 90% of white luminance to 10% of white luminance. Additionally, the first pixel array can be separated from the second pixel array by a gap, and a distance from a center of the first pixel array to a center of the second pixel array is between 58 mm to 72 mm.

The application relates to freight loading systems for transporting freight items. Corresponding freight loading system comprises a freight deck having a plurality of freight handling devices, a control device which is communicatively connected to the freight handling devices in order to handle at least one freight item on the freight deck, and a remote control, which is communicatively connected to the control device in order to output control signals to the control device. The control device is intended to comprise a position determination unit for determining a remote control position on the freight deck and/or the orientation of the remote control, wherein the control unit is designed to select a number of freight handling devices and drive same depending on the control signals received and the remote control position and/or orientation of the remote control. This allows easier control of the freight items on the freight deck.

A transport device includes a traveling holding member which can travel while holding a storage container, and a move out prevention mechanism which prevents substrates from moving out of an opening of the storage container. The move out prevention mechanism is configured to include a contacting member which can be moved between a contact position at which the contacting member is in contact with side faces of the substrates, and a spaced apart position at which the contacting member is spaced apart from the side faces of the substrates. The contact position is set such that the contacting member is located between an opening side end portion and a central portion of the substrates in a direction along which the substrates are inserted and removed.

A device for changing a pallet car in a plant for the treatment of bulk materials where pallet cars that are continuously conveyed using a lifting wheel and a lowering wheel on an outer rail and an inner rail in an endless chain includes, in regions of a bottom and top strand of the lifting wheel, first and second outer curve links of the outer rail that are openable such that the pallet car is removable from the chain and another pallet car is insertable into the chain. A removal switch is disposed in the region of the bottom strand of the lifting wheel, via which the pallet car is movable out from the chain, and a supply switch is disposed in the region of the top strand of the lifting wheel, via which the pallet car is insertable into the chain.

A chain link of a conveying chain, containing a base body with a first end region which comprises a first coupling section for the articulated connection to a coupling section of a first adjacent chain link, and with a second end region which comprises a second coupling section for the articulated connection to a coupling section of a second adjacent chain link. The base body comprises an intermediate region lying between the two end regions and includes a body section with bending-elastic characteristics, which is designed such that the first end region is elastically bendable relative to the second end region out of the longitudinal direction of the base body.

Sterilization and cleaning of an escalator hand rail are performed. A sterilization and cleaning device including a hand rail; a plasma source for irradiating the hand rails with ions or radicals or UV light; an enclosure for housing the plasma source; a power source for generating plasma; a fan for generating relatively negative pressure in the enclosure; filter units for removing removed bacteria, viruses, and organic matters such as hand marks; and filter plates located backward and forward of a moving direction of the hand rail in the enclosure along the hand rail is provided.

The present invention provides a truss device for an escalator or moving walk comprising an outer panel and an inner panel facing the outer panel, characterized in that, the inner panel is formed from a single integral panel and comprises a body part and a plurality of connection parts extending from the body part toward the outer panel thus forming corresponding through openings in the inner panel, each connection part is connected to the outer panel so that the outer panel and the inner panel are fixed together, wherein the inner panel further comprises a support part formed on the body part of the inner panel and projecting in a direction away from the outer panel. The present invention also provides an escalator or moving walk having the above truss device.

A method for storing and transporting products in a low-pressure storage device and a low-pressure storage device therefore, to allow product storage in a simple manner, and to control the storage in a simple manner. The products transfer on a first storage path and on a second storage path that is arranged directly next to the first storage path, during the storage operation of the storage device.

An egg chain gripper actuating device for use with an egg transfer device. The device has an egg conveyor with parallel egg chains movable in a transport direction, each chain supporting egg grippers, which can be individually actuated. The device further comprises an egg receiving unit with a receiving area for receiving eggs released by the egg grippers, and one group of one or more actuators for each egg chain for selectively actuating passing egg grippers. Multiple support frames are provided, each supporting one or more groups of actuators. At least one frame is adjustable parallel to the transport direction and relative to another frame, such that the position of the actuators of the one or more groups supported by the frame can be adjusted relative to the position of the one of more actuators of the one or more groups supported by the other frame.

A device for transporting vehicle bodies, on which standardized holding components are provided. A guide device is provided for at least one continuous drive train which having a driving side and a slack side, and having a first return element and at least one second return element around which the at least one continuous drive train circulates. The at least one continuous drive train supports a plurality of coupling elements which are arranged and aligned in such a manner that they can work together with the standardized holding components provided on the vehicle body.

An article sorting and conveying device that conveys articles by the vibrations of a movable body provided through an elastic support unit, includes a first vibration unit that imparts a periodic vibration force to the movable body in a direction inclined from a vertical direction; a second vibration unit that imparts a periodic vibration force in a direction crossing the periodic vibration force by the first vibration unit; and a vibration control unit that causes a periodic vibration force imparted by each vibration unit to have a phase difference and occur simultaneously at the same frequency, and that creates an elliptical vibration trajectory in the movable body. The articles are sorted and conveyed on the movable body by setting the vibration trajectory of the movable body by the vibration control unit such that articles having a different coefficient of friction are conveyed in different directions.

A medicine counting device including a rotary container broadening radially in an upward direction and configured to rotate around an axis of the rotary container; a guide member fixed with a predetermined gap on a top surface side of the rotary container, spirally extending from the central portion towards an outer circumference of the rotary container, and configured to guide a medicine moved by a rotation of the rotary container from the central portion towards the outer circumference of the rotary container. The medicine counting device further includes a detector provided outside of the rotary container and a regulator configured to feed a medicine having been moved to the outer circumference and being in contact with the guide member towards the detector but returns the medicines which are not being in contact with the guide member to the central portion side of the rotary container by overpassing the guide member.

A door transportation method in a vehicle body assembly line, in which the vehicle body is placed and transported on a vehicle body transportation carriage of a floor conveyer, and thereby components are assembled to the vehicle body, includes: placing and transporting the door, which is detached from the vehicle body, on a door placing section arranged on a base stand of the vehicle body transportation carriage.

A mechanic's leaning device includes a base, an upper torso support having an adjustable first height above the base, and a combination step and knee support having an adjustable second height above the base which is less than and adjustable relative to the first height. The mechanic's leaning device can be used by mechanics of all sizes for working on a wide variety of vehicles, ranging from very small to very large.

The fall restraint traveler device has a hollow body structure, two or more spacers, one or more lanyards and a leash. The hollow body structure has a first end and a second end. A safety rope extends passing through both first and second ends. The body structure has an elongated slot extending between the ends. The two or more tubular spacers are placed internal of the body structure with the safety rope passing through each spacer. The one or more lanyards are for attachment to a climber. Each lanyard has at least one locking element. The device is aligned with and free to slide along the safety rope during ascent or descent of the climber and in the event of a fall, the at least one locking element tightens as it pulls on the safety rope pulling the rope out of alignment and thereby cinching to the rope.

A ladder locking designed intended to prevent access to a tree stand and an attached ladder includes a two-piece interlocking frame, top and bottom hooks to engage rungs of the ladder, and a locking bar. The frames include a mesh covers having a width greater than the tree stand ladder. The frame is secured to the ladder by the top and bottom hooks, which provide opposing hangers hooked over and clamping ladder rungs. A bottom of the frame includes a locking bar which insertingly engages between the two frame sections and secured with a padlock. The frame is placed over a ladder and locked to prevent unwanted persons from ascending the ladder.

A load balancing descending device for controlling the descent of a user descending on a rope carrying a load is provided. The rope has a decreasing rope free end as the user descends. The load balancing descending device comprises a first plate and a second plate. A first pin is positioned between the first plate and the second plate with the first pin spacing the first plate from and pivotally connecting the first plate to the second plate and the combined first plate and second plate having a first side and a second side. A second pin is positioned between the first plate and the second plate with the second pin spaced from the first pin. An attachment mechanism is formed in the first side of the combined first plate and second plate for attaching a user and/or load. The rope is wrapped in a serpentine manner about the first pin and the second pin between the first plate and the second plate with the rope free end exiting the combined first plate and second plate from the second side. As the user descends the rope, the length and weight of the rope free end decreases thereby causing the load balancing descending device to rotate moving the rope free end in a general direction from the first side toward the second side and automatically balancing the weight of the user and load against the weight of the rope free end in order to maintain a controlled rate of descent.

A descent control device for controlling rotational motion of an object includes: at least one drive assembly for rotationally engaging the rotating object; a first substantially planar ferromagnetic moving element in rotationally locked engagement with at least one drive assembly and comprising at least one recess formed in a surface thereof having at least one magnet fixedly disposed therein; a second substantially planar ferromagnetic moving element in rotationally locked engagement with at least one drive assembly, and comprising at least one recess formed in a surface thereof having at least one magnet fixedly disposed therein; and at least one conducting plate disposed proximate the first and second moving elements. A magnetic field may be induced by rotational movement of the first or second moving element relative to at least one conducting plate in a direction to oppose acceleration of at least one drive assembly as it rotationally engages the object.

A safety device comprising a foothold in association with a mounting assembly, wherein the position of the foothold relative to the mounting assembly is adjustable, thereby allowing the safety device to be used on a variety of sloped roofs. The safety device may further comprises a firefighter securing assembly which provides a means whereby an operator may secure himself to the safety device thereby preventing the operator from falling from the roof in the event the operator loses his balance.

This disclosure describes embodiments of novel line dispensing devices and methods for dispensing and retracting a line of a line dispensing device.

A sensor signal processing device includes an AD conversion section, a filter section, a timing signal generation section, and an arithmetic section. The timing signal generation section generates a signal synchronized with a crank angle of an engine based on a signal indicating the crank angle and generates a data acquisition timing signal by compensating the signal synchronized with the crank angle with a delay time of the filter. The arithmetic section acquires a plurality of sensor signals, which is transmitted from a sensor, converted from an analog signal to a digital signal by the AD conversion section, and filtered by the filter section, in a term before and after receiving the data acquisition timing signal and generates a data synchronized with the data acquisition timing signal.

A control apparatus for an internal combustion engine having a means for performing a model calculation to calculate, as an exhaust temperature calculation value, the temperature of exhaust gas in an exhaust branch tube at the time of starting an engine, using a model representing the temperature behavior of the exhaust gas in the exhaust branch tube during stop of an engine; and an exhaust temperature actual measurement value output means for detecting the temperature of exhaust gas in the exhaust branch tube, and outputting the detected temperature as an exhaust temperature actual measurement value, wherein the model includes at least one parameter.

A valve operating device for an engine is provided. The device includes a cam element formed with an end face cam in one end thereof, and a control member driven by an actuator to project to an actuated position at which the control member is projected to engage with the end face cam so as to move the cam element in one of the axial directions, and retreat to a non-actuated position at which the control member is retreated from the actuated position. The cam element has a slope inclining in a circumferential direction of the cam element and for, when the control member is at the actuated position, sliding in contact with a contact part provided at the control member so as to forcibly move the control member back to the non-actuated position after the movement of the cam element via the end face cam is finished.

A variable valve lift apparatus may include a rocker arm coupled with a rocker arm shaft, a valve bridge disposed to be pressed by one end portion of the rocker arm, the valve bridge including a piston insertion hole and at least one pin insertion hole connecting to the piston insertion hole, a valve disposed to be pressed by the valve bridge, and a variable lift unit disposed in the valve bridge and variably controlling an amount that the rocker arm presses the valve bridge. The variable lift unit includes a variable piston of which the lower portion is inserted into the piston insertion hole, and a check pin disposed in the pin insertion hole to be selectively inserted into the pin groove formed on a side surface of the variable piston according to the hydraulic pressure supplied to the piston oil passage formed in the variable piston.

A fuel feed device for attachment to a cylinder head of an internal combustion engine has at least one fuel distribution element extending along a longitudinal direction, and at least one connecting element extending transversely to the longitudinal direction, wherein the connecting element can be used to connect the fuel distribution element to the cylinder head. The fuel feed device further includes at least one reinforcing element which is connected, on one hand, to an outer surface of the fuel distribution element and, on the other hand, to the connecting element outside the fuel distribution element.

A device for injecting fuel over a cylinder head of an engine, including a tubular body, an injection nozzle forming an extension of the tubular body, a needle extending coaxially to the nozzle in a form of a rod, an end of which includes a head forming a valve on a seat supported by the injection nozzle, and an actuator configured to cause a movement of the head so as to open the valve, the needle configured to axially resonate when the same is subjected to axial pulses at a predetermined nominal frequency by the actuator. A system for mounting the device includes a spacer for bearing on the cylinder head, as well as on a front surface of the tubular body at the connection to the nozzle.

An exhaust gas recirculation device is provided. The device recirculates, from an exhaust system to an intake system, a part of exhaust gas from a plurality of cylinders of a multi-cylinder engine as EGR gas. The device includes a single EGR pipe extending from the exhaust system toward the intake system, an EGR manifold branching from a downstream end portion of the EGR pipe toward each cylinder, and an EGR valve for adjusting an EGR gas amount. The EGR manifold has one or more common EGR passages having a single pipe portion and branched pipe portions, and one or more independent EGR passages. Each shape of the common and independent EGR passages is set so that a communicating path in the EGR manifold communicating an arbitrary cylinder with a cylinder where combustion is performed subsequently thereto has the same volume for any cylinder combination having the adjacent combustion order.