A method of separating a high boiling component from a mixture containing organic and/or inorganic boiling components which method involves providing an induction heated screw conveyor having an auger and passing the mixture through the induction heated screw conveyor while inductively heating the auger so as to heat the mixture in the induction heated screw conveyor. The mixture is heated to a temperature that is sufficient to cause the boiling component(s) to separate from the mixture as a vapor and the boiling component is removed from the induction heated screw conveyor.

A method of removing organic components from a mixture containing organic and inorganic components which method involves providing an induction heated screw conveyor having an auger and passing the mixture through the induction heated screw conveyor while inductively heating the auger so as to heat the mixture in the induction heated screw conveyor primarily from the center of the induction heated screw conveyor. The mixture is heated to a temperature that is sufficient to cause the organic components in the mixture to separate from the mixture as a vapor. The oxygen concentration in the induction heated screw conveyor is controlled so as to gasify the organic components. The gasified organic components are removed and the remaining inorganic components are collected.

A reactor for the continuous production of charcoal, having a substantially vertical structure, comprising, in sequence, a top charging zone, a drying zone, a carbonization zone, a cooling zone, and a discharge zone, wherein the charging zone has a smaller cross section than the drying zone and has an extension into the drying zone , forming an annular space around the extension, which space comprises, in the wall of the drying zone, an outlet to a gas extraction line for the recirculation of these gases into the reactor. The reactor reduces sawdust drag by the gases extracted from the preheating zone, without substantially altering the shape and the size of the reactor, which is achieved due to the fact that the charging zone is arranged eccentrically relatively to the drying zone, and that the outlet to the gas extraction line of the drying zone is located substantially on the larger area section of the annular space.

A solar distillation apparatus utilizing a substantially vertical reactor assembly is disclosed. The reactor includes a tubular outer shell, a base, a cap, and a central tension member. The annular space between the outer tube and the central tension member forms the reactor chamber. Seawater or other feed liquid enters the reactor chamber through the base plate. Reflected or direct solar energy heats the feed liquid, generating low pressure vapor. The vapor exits the reactor through the cap structure or the base. The concentrate left behind settles by gravity to the bottom region of the reactor's liquid column. Extension tubes on the feed openings allow feed liquid to enter the liquid column above the concentrate layer and avoid excessive mixing of the feed liquid and the concentrate. The concentrate exits the reactor through one or more openings in the base.

A modular portable evaporator system for use in a Steam Assisted Gravity Drainage (SAGD) systems having an evaporator, with a sump including an oil skimming weir, a short tube vertical falling film heat exchanger including an outer shell containing short tubes provided for lower water circulation rate. The system further having external to the evaporator, a compressor for compressing evaporated steam from the tube side of the heat exchanger and routing to the shell side of the same exchanger, a distillate tank to collect hot distilled water, a recirculation pump to introduce liquids from the sump into the heat exchanger and an external suction drum protecting the compressor from liquid impurities. The evaporator system receives produced water from the SAGD process into the sump and provides cleaned hot water to a boiler.

For purifying a liquid, the liquid is caused to evaporate in a cyclone in a recirculation circuit. Vapor is discharged via a discharge channel in which a compressor is included. In a heat exchanger downstream of the compressor, supplied vapor condenses and heat thereby released is transferred to liquid in the recirculation circuit. A liquid inlet of the cyclone is placed and directed for delivering a jet having a directional component tangential with respect to an inner surface of the cyclone. The liquid inlet has a section shaped such that in operation the delivered jet is a flat jet having a cross section which in a direction parallel to a nearest generatrix of the inner surface of the cyclone is greater than in a direction perpendicular thereto. The jet contacts the inner surface of the cyclone before drop formation occurs in the jet. A method for purifying a liquid is also described.

A process for the physical refining of edible oils and fats, said process comprising three consecutive stages, whereby in a first stage at least 60% by weight of the volatiles are evaporated in a flash vessel, in a second stage some residual volatiles are evaporated by countercurrent steam stripping using a packed column (3), and in a third stage further residual volatiles are evaporated in a cross-flow tray system (2), wherein the pressure in said flash vessel is maintained at a value below the pressure prevailing above said packed column (3); and an apparatus for the physical refining of edible oils and fats comprising a flash vessel, a packed column (3), sparging trays (2) and the means to maintain the pressure in said flash vessel at a value that is below the pressure prevailing above said packed column.

This invention relates to a high efficiency apparatus for manufacturing an aqueous wood smoke solution in the form of a liquid smoke desired concentration by burning wood, wooden chips or sawdust in a limited amount of air. Wood consumption per unit of liquid smoke is significantly smaller comparing to conventional methods, while the air pollution is reduced to a negligible level.

An improved rapid thermal conversion process for efficiently converting wood, other biomass materials, and other carbonaceous feedstock (including hydrocarbons) into high yields of valuable liquid product, e.g., bio-oil, on a large scale production, is disclosed. In the process, biomass material, e.g., wood, is fed to a conversion system where the biomass material is mixed with an upward stream of hot heat carriers, e.g., sand, that thermally convert the biomass into a hot vapor stream. The hot vapor stream is rapidly quenched with quench media in one or more condensing chambers located downstream of the conversion system. The rapid quenching condenses the vapor stream into liquid product, which is collected from the condensing chambers as a valuable liquid product.

A trihalosilane refining device and a trihalosilane refining method are provided. The trihalosilane refining device can be useful in obtaining high-purity trihalosilane from a feed containing a trihalosilane while consuming a small amount of energy.

A preload mechanism for a memory alloy wire actuator is disclosed that includes a rotating element configured to rotate about a pivot. The rotating element has a first contact point that is configured to couple to the memory alloy wire actuator such that contraction of the memory alloy wire actuator displaces the first contact point such that the rotating element rotates from a first position to a second position. The preload mechanism also includes a bias element with a first end that is coupled to a second contact point of the rotating element and a second end configured to be pinned relative to the pivot. The bias element has a line of action extending from the second end through the first end. The line of action has an offset distance that is the minimum distance between the line of action and the pivot. The offset distance has a first value when the rotating element is in the first position and a second value when the rotating element is the second position, the second value being smaller than the first value.

The present invention relates to a method for purifying a liquid comprising liquid particles and residual particles. It is hereby possible to generate substantially pure water from, for instance seawater.

A pyrolytic conversion assembly for processing biomass including: a rotary kiln including a tube for heating the biomass at pressure having a sealable inlet at a first, higher end for ingress of the biomass, and a sealable outlet at a lower end for egress of charcoal formed from the biomass; and heating elements disposed around the kiln to provide a localized source of heating at a predetermined distance from the sealable inlet for reflux condensation of gas from the biomass.

A trihalosilane refining device and a trihalosilane refining method are provided. The trihalosilane refining device can be useful in obtaining high-purity trihalosilane from a feed containing a trihalosilane while consuming a small amount of energy.

An apparatus for producing a solid fuel which may be made by a method involving mixing porous coal with a mixed oil containing heavy oil and solvent oil to prepare a raw material slurry; heating the raw material slurry to promote dehydration of the porous coal while impregnating the mixed oil into pores of the porous coal to obtain a dehydrated slurry; separating the resulting upgraded porous coal and mixed oil from the dehydrated slurry; drying the separated upgraded porous coal with carrier gas, and subsequently condensing vaporized mixed oil in the carrier gas by cooling, while capturing the porous coal in the carrier gas by atomization of the condensed mixed oil, thereby recovering the mixed oil; and returning the mixed oil separated and recovered in the separating to the mixing, further involving supplying the mixed oil recovered in the final drying to the separating.

One exemplary embodiment can be a system for separating a plurality of naphtha components. The system can include a column, an overhead condenser, and a side condenser. Generally, the column includes a dividing imperforate wall with one surface facing a feed and another surface facing at least one side stream. Typically, the wall extends a significant portion of the column height to divide the portion into at least two substantially vertical, parallel contacting sections. Typically, the overhead condenser receives an overhead stream including a light naphtha from the column. Usually, a side condenser receives a process stream from the column and returns the stream to the column to facilitate separation. A cooling stream may pass through the overhead condenser and then the side condenser.

A method of operating an evaporator is described. In evaporator feed water, a Taylor bubble is developed which has an outer surface including a thin film in contact with an inner surface of an outer wall of an evaporator tube. The Taylor bubble is heated as it rises within the evaporator tube so that liquid in the thin film transitions into vapor within the bubble.

An evaporative desalination device includes a multi stage vapor generator that generates vapor by passing a hot water supply pipe successively through a plurality of vapor generators to evaporate sea water inside thereof, a multi effect vapor generator that uses vapor in the respective vapor generators as heat source and forms a plurality of evaporator groups which can adjust a number of evaporators disposed inside the respective evaporator groups and produce fresh water according to amounts of supplied vapor to evaporate sea water in the evaporator groups on an outer circumference surface of an evaporation tube by heat of vapor flowing in the evaporation tube, and a discharge unit that condenses vapor in the multi effect generator by sea water to discharge fresh water in liquid state, and returns and supplies portions of discharged sea water to the multi stage vapor generator and the multi effect evaporator.

Disclosed herein is a system comprising an evaporation unit comprising a first heat exchanger in fluid communication with a second heat exchanger; where the first heat exchanger is operative to heat an effluent stream comprising an amine solvent and/or amine byproducts and water and to discharge the effluent stream to the second heat exchanger; where the second heat exchanger is operative to convert the effluent stream into a distillate stream and a concentrate stream; and a reverse osmosis unit in fluid communication with the evaporation unit; where the reverse osmosis unit comprises a first reverse osmosis unit that is operative to receive the distillate stream and to separate water from byproducts of the amine solvent such that the water has a purity of greater than 95%, based on the weight of the distillate stream.

Membranes for membrane distillation include at least one hollow fiber porous hydrophobic membrane, the at least one membrane including carbon nanotubes incorporated into the pore structure of the membrane. Membrane distillation systems may include a heat exchanger operably connected to a hollow fiber membrane module with one or more membranes including carbon nanotubes. Methods of solvent removal, sample preconcentration and desalination employing hollow fiber porous hydrophobic membranes with carbon nanotubes are disclosed.

A device (1) comprises a source (20) for emitting ultraviolet light, an inlet (30) for letting in fluid to the device (1), an outlet (40) for letting out fluid from the device (1), and means (51, 52) for performing a straightening action of a flow of fluid through the device (1). The flow straightening means comprise at least one flow straightening element (51, 52) having inlet openings for letting in fluid at one side and outlet openings for letting out fluid at another side, wherein each inlet opening is in communication with a plurality of outlet openings, and wherein the element (51, 52) comprises a maze of randomly arranged, interconnected holes. In such a structure, a water element that is moving from one side of the element (51, 52) to another side may take one of various paths, as a result of which variations in inlet conditions can be dampened.

In one aspect, a lighted tip for attachment to a flexible rod comprises a tip body having proximal and distal ends, a mechanical connector at the proximal end, a lens connected to the distal end, a light source that emits light through the lens, and a holder coupled to the light source and the lens. A circuit is completed or interrupted as the holder moves in relation to the tip body, thereby switching the light source on or off. In another aspect, a lighted tip for attachment to a flexible rod comprises a lens forming a distal end of the lighted tip. The lens is cylindrical over at least some of its length, and the tip further includes a light source at least partially within the cylindrical lens portion and a mechanical connector at a proximal end if the lighted tip, for connecting the tip to the flexible rod.

A double drum traction winch supporting a first and second rotatable drum is provided. The circumferential surface of each drum is provided with circumferential grooves perpendicular to the rotational axis of the drum. The grooves of each drum are subdivided in a first set of grooves for guiding a first wire and a second set of grooves for guiding a second wire. The grooves of the first set alternate with grooves of the second set such that the circumferential surface of each drum is provided with multiple grooves of the first group, each interpositioned between two grooves of the second group. Therefore the traction winch is capable of cooperating with a first wire in the first set of grooves or with a second wire in the second set of grooves, wherein both wires differ in type of material and/or cross section and/or maximum tensile strength.

A power winch horizontal-pull clutch device provides dynamic forces from a power source and uses a deceleration device to retard the force transmission to a cable pulley for releasing and rewinding a steel cable on the cable pulley. A connecting slot is formed on a casing of the deceleration device. The deceleration device includes an outer ring body and at least one insert slot formed on an external surface. The power winch includes a clutch device for selectively fixing the connecting slot to the insert slot to transmit the dynamic force from the deceleration device to the cable pulley. The clutch device is a sealed assembly and a control handle is provided for making a horizontal movement to achieve the clutching effect and prevent water, dust or other foreign matters from entering into the clutch device, damaging components, causing failure or malfunction, or clamping an operator's hand or foreign matters.

A tensioning assembly having a drive pulley, a tension pulley and a tension adjustment system is provided. The drive pulley has a first drive pulley channel and a second drive pulley channel. The tension pulley has a first tension pulley channel and a second tension pulley channel. The second tension pulley channel is aligned with the first drive pulley channel. The first drive pulley channel and the second drive pulley channel of the drive pulley and the first tension pulley channel and a second tension pulley channel of the tension pulley are configured and arranged to engage and route an endless looped member. The tension adjustment system is coupled to adjust the distance between the drive pulley and the tension pulley to adjust the tension in the endless looped member in relation to the drive pulley.

A puller device for pulling bearings, gears, wheels and pulleys from objects such as shafts and axles and other machine parts. The puller device includes a jaw support assembly; jaw members being in operable communication with the jaw support assembly; a jaw actuating assembly being supported by the jaw support assembly and including a jaw guide member being in operable communication with the jaw members; and an elongate push member being adjustable relative to and in operable communication with the jaw support assembly for urging against an object to facilitate the removal of a press fitted work piece.

An apparatus for repetitively lifting and lowering objects to create visual patterns having a plurality of units each with a motor, a rotary member, a cord attached at its distal end to the circumferential edge of the rotary member, an attaching mechanism affixed to the proximal end of the cord, and an object removably connected to the attaching mechanism. A computer or microprocessor is provided and programmed to selectively rotate the rotary members to move the objects between selected pre-determined positions along a generally vertical path of travel to establish a geometric pattern of repetitive elements.

An apparatuses and methods to release a chain. Apparatuses and methods include an electronic, mechanical, or electro-mechanical actuator system used to rotate a hooking arm. The actuator system includes an extendable piston. In some embodiments, the actuator system is hydraulic. In other embodiments, the actuator system is pneumatic.

A vehicle lift jack is provided. The jack may include: a frame; a lifting arm attached to the frame; a saddle attached to an end of the lifting arm; and a video camera attached to the jack and oriented to capture video footage of an area proximate to the saddle. A method of lifting a vehicle using a jack may be provided. The method may include: positioning the jack under the vehicle; capturing an image of the vehicle; viewing the image; determining the jack is in a desired position with respect to the vehicle; and raising the vehicle with the jack.

An apparatus of the present invention is used for movable objects upwardly and downwardly relative to a fixed surface. The apparatus includes a lifting device presented by a pair of blocks movable relative one and the other. A carriage device is supported by the blocks. The carriage device is connected to object to be lifted relative the fixed surface. An actuator is connected to the blocks. As the actuator moves the blocks relative one and the other, the blocks move above the carriage device relative the fixed surface at various distances lift and lower the objects.

An assembly includes a motor; a second motor; a planetary transmission coupled to the motor and the second motor, and a spool coupled to the transmission. The spool has an interior volume for receiving the motor, the second motor and the transmission, and the motor and the second motor are disposed or disposable entirely within the spool. The motor and the second motor are capable of being operated such that one of the motors is speed controlled, and the other motor is torque controlled.

The invention relates to a fixing element for locking a hinged hand crank on the input shaft of a support winch for semi-trailers, wherein the hand crank is fastened to the input shaft in an articulated manner and can pivot between at least one folded-in rest position and at least one folded-out usage position. According to the invention, said fixing element has a fastening section for fastening to the hand crank and a spring bar connected to the fastening section on which at least one locking section is formed, wherein the locking section reaches over the end face of the input shaft in a form-fitting manner in a folded-out usage position of the hand crank and is simultaneously pulled against said end face of the input shaft.

A foot actuated pivoting lever is provided. The lever may include: a lever member having two ends, one end configured to attach to a mechanism configured to receive an input from the lever member; and a pedal pivotally attached proximate to the other end of the lever member, wherein the pedal is configured to pivot between a first and a second position, wherein in the first position, the pedal lies on top of a section of the lever member and, in the second position, the pedal extends beyond the lever member. A mechanism for actuating a piston may be provided.

A field-installable pulling eye and a method for providing and using the same are disclosed. The pulling eye comprises a bolt, a sleeve, and a collet. The sleeve has a hollow interior defining a cavity configured to receive the collet through an open end, and an aperture passing from the exterior of the sleeve to the cavity at the opposite end. The bolt has a head portion and a threaded shaft configured to pass through the aperture and engage a complementary threaded orifice at one end of the collet. The collet has two or more jaws extending from the opposite end that are configured to exert a compression force the terminal end of a conductor inserted between the jaws as the collet is drawn into the cavity of the sleeve by tightening the bolt.

A hoist spooling assembly for spooling a cable about a drum while preventing relative movement between the cable and the drum. The hoist spooling assembly evenly delivers force from a roller to the cable while reducing the incidence of spooling problems, including mechanical wear of the cable and formation of loops and kinks in the cable.

The present invention provides an apparatus and method for recovering the core (108) of a subterranean sheathed electrical cable (106), while minimising the impact on the surrounding environment. The apparatus comprises a ram (102) operable to exert a pushing force on the core of a length of the cable, a plurality of linkages, each linkage being configured to be insertable into the cable along its length under the action of the ram to displace the core relative to an outer sheath of the cable, and a puller operable (104) to exert a pulling force on the core to thereby facilitate removal of the displaced core from the outer sheath by action of the pushing/pulling forces. The apparatus and method are found to be particularly suited to the recovery of high-tension copper core cables, while enabling any hydrocarbon (e.g. oil) impregnated inner sheathing to be controllably disposed of without hazard to the environment.

An apparatus for moving an elongate component within or through one of a plurality of sidewalls of a pit, including a gripping arrangement for releasably gripping the elongate component, a lever arm comprising a handle at a first end and the gripping arrangement at the second end, and a frame to which the lever arm is attached, wherein during use the frame is positioned substantially above the pit, and the gripping arrangement hangs downwardly from the frame into the pit.

A multi purpose hoisting device for use on a floating vessel having a deck, including: a load bearing structure to be mounted on the vessel; a main hoisting mechanism for raising/lowering an object above the deck and including: at least one main hoisting winch; an upper cable pulley block supported by the load bearing structure; a travelling cable pulley block; a main hoisting cable associated with the at least one main hoisting winch and passed over pulleys of the upper cable pulley block and of the travelling pulley block in a multiple fall configuration, such that the travelling cable pulley block is moveable relative to the load bearing structure by using the at least one main hoisting winch; a main hoist heave compensation mechanism associated with the main hoisting cable for damping the effect of sea-state induced motion of the vessel onto an object supported by the main hoisting cable.

A load sensitive magnetic clutch device includes: a magnetic pole rotating body having magnetic poles arranged on the circumference thereof and provided with a clutch projection of a claw clutch at an end thereof; a yoke rotating body configured to rotate about an axial center of rotation identical to that of the magnetic pole rotating body; and a high-torque input member configured to rotate about the identical axial center of rotation and having a clutch engaging portion engaging the clutch projection. The clutch projection is formed of a magnetic body. The clutch engaging portion includes a clutch retaining magnetic body configured to attract the clutch projection by a magnetic force. The clutch projection is attracted by the clutch retaining magnetic body by an application of a load torque exceeding a torque which is transferrable between the magnetic pole rotating body and the yoke rotating body.

A system for vertically lifting and lowering a container relative to a supporting surface. The system includes at least two lift mechanisms wherein each mechanism includes a frame attached to the container. An elongated cylinder and piston is associated with each frame so that its axis is substantially vertical. A control circuit selectively connects a power source to each cylinder and piston to move the cylinder and piston between a retracted position in which the piston is spaced upwardly from the supporting surface and an extended position in which a foot on the piston engages the supporting surface and lifts the container upwardly from the supporting surface.

A manual marine winch includes a safety knockout override preventing release of winch tension without the handle in stowed position. The winch includes a housing; a rotating drum on the housing; a winch line on the drum; a control for spooling and un-spooling the winch line on the drum, wherein the control includes a handle for selectively tensioning the drum and moveable between a position engaged with the drum and a disengaged stowed position; a tension holding mechanism on the housing comprising a ratchet gear coupled to the drum, a pawl selectively engaged with the ratchet gear, and a knockout configures to selectively disengage the pawl from the gear to allow for release of winch tension; and a safety knockout override coupled to the housing and selectively engaged by the handle and configured to prevent release of winch tension when the handle is not in the stowed position.

A workpiece elevating support device which can be utilized by being installed in a carriage-type conveying apparatus for conveying an automobile body while changing the height thereof in each section in an automobile assembly line. The workpiece elevating support device includes at least two center-folding double link mechanisms arranged in parallel on a base, each of which is composed of a lower parallel link, an intermediate link member, an upper parallel link, and an upper link member. The upper link member is consecutively provided with a workpiece support. There is juxtaposed a lock to hold the center-folding double link mechanisms in an expanding-rising posture, which is taken when the upper link members are vertically raised to a predetermined height.

A tool for removing a spindle and/or elastomeric bearing from a hub generally includes a coupler, an arm, and a weight slidably engaged with the arm. The weight is slidable with respect to the arm along a predetermined stroke that limits the travel of the weight. The coupler may be secured to a spindle, which spindle is in turn secured to a bearing, or the coupler may be secured directly to the bearing. An operator may slide the weight between a first position adjacent the coupler and a second position opposite the coupler to impart kinetic energy to the spindle and/or bearing, thereby removing the bearing from or the bearing installing into a hub, depending on whether the kinetic energy is in an inboard or outboard direction.

Diverting pulley arrangement of an elevator, which includes an axle, at least one diverting pulley that rotates while supported on the axle, a faceplate structure, in relation to which and supported by which the diverting pulley is arranged to rotate on the first side of the faceplate structure, which axle is locked so that it does not rotate in relation to the faceplate structure by the aid of a locking element, which locking element is on the second side of the faceplate structure and supported so that it does not move in relation to the faceplate structure. The locking element is placed against the locking surface included in the axle so that the contact point of the locking element and the locking surface of the axle is at least partly visible.

An apparatus for raising and lowering a carrier for supporting clothes hangers or other hanging articles within a wardrobe closet that includes a tube, brackets for rotatable mounting of the tube, a tubular motor coupled to the tube for rotating the tube, and a base that attaches to a side panel of the wardrobe closet. Two arms each lie on a plane parallel to the base and to the side panel, attach at their ends to the carrier, and are mounted on the base so that they may oscillate and pivot in the plane between two positions, raising and lowering the carrier. At the lowest position the carrier releases from the arms and drop further. Fabric straps are wound onto and unwound from the tube to raise and lower the arms as the tube is rotated. A remote control receiver or programmable device may be used to control operation of the motor.

A dual-purpose hydraulic electric jack comprises a hydraulic lifting mechanism (1, 2), an oil pump (12), an oil tank (9), an oil conveying pipeline and an electric motor (14). The lifting mechanism, the oil pump and the oil tank are all connected with the oil conveying pipeline. A transmission mechanism is arranged between the oil pump and the electric motor. A one-way valve (10) is provided between the oil tank and the oil pump. The oil pump (12) is equipped on one end side of the electric motor (14), and an air pump (15) is equipped on the other end side of the electric motor (14). A transmission mechanism is arranged between the air pump and the electric motor. The air pump is communicated with an air conveying pipeline (35) and the electric motor is equipped with a trigger mechanism for controlling the connection of the electric motor with the transmission mechanism between the electric motor and the air pump or oil pump. The function of the hydraulic electric jack is enhanced greatly and the hydraulic electric jack is convenient to use.

A height adjusting device for a vehicle suspension seat includes: a control valve having an air injection pin and an air discharge pin formed therein; a first push support having one end rotatably coupled to the control valve and pressurizing the air injection pin when rotated in one direction; a second push support having one end rotatably coupled to the control vale, pressurizing the air discharge pin when rotated in one direction, and disposed to correspond to the first push support; a first push rod pressurizing the other end of the first push support so as to rotate the first push support; and a second push rod pressurizing the other end of the second push support so as to rotate the second push support, and disposed to correspond to the first push rod.

A drive device for a belt axis of a winch, to address the problems existing in the conventional drive device for the belt axis of the winch including a short service life and a high cost. The drive device is disposed at the end of the belt axis of the winch. The drive device comprises a stationary seat and a rotary cylinder. The rotary cylinder is provided with a socket for inserting a crowbar. The stationary seat is fixedly connected with the belt axis. The rotary cylinder is axially fixed to the stationary seat. A unidirectional mechanism is provided between the rotary cylinder and the belt axis and operates by means of the engagement of teeth of the ratchet wheel. The belt axis is brought into continuous one-way rotation by using the unidirectional mechanism while the rotary cylinder is turned back and forth.

A three dimensional wire flying system includes a plurality of winches collectively hanging an object and a control unit for controlling the plurality of winches and the main safety device. Each of the plurality of winches includes a drum unit, a wire wound on the drum unit, a motor unit which provides power to the drum unit, a brake module which stops rotation of the drum unit, a limit switch which operates upon detecting a hardware limit state, and a servo-system. Each of the plurality of winches operates to move the object in a three dimensional space in three directions, including an up-down direction, a left-right direction and a forward-backward direction, and each winch provides a multi-level safety protection.

A wireless remote forms a two-way radiofrequency (RF) communication network with a winch control module that allows the wireless remote to control both the winch and additional vehicle accessories through the winch control module. Further accessory control modules allow the control of more accessories utilizing the wireless remote by way of RF communication. Feedback from either the winch control module or the accessory control module is sent back to the wireless remote to allow the operator to view the current operating conditions of the winch or accessories.