Casting jigs, methods, and kits that may be used in manufacture of anatomical healing caps. A casting jig may include a body having one or more wells within the body, each well being open at a proximal end thereof and having a negative shape corresponding to an anatomical healing cuff body of a given tooth position. Each respective anatomical healing cuff body negative shape includes an asymmetrical cross-section and an irregular surface so that an anatomical healing cuff body having said shape is configured to provide substantially custom filling of at least an emergence portion of a void where a natural tooth once emerged or should have emerged from the void (e.g., in the case of a congenitally missing tooth). The casting jig may further include a socket at a distal end of each well that is configured to receive therein a dental implant or dental implant analog.

An oral treatment device that includes a mouthpiece and an electromagnetic radiation source. In one aspect, the oral treatment device includes a mouthpiece comprising a curved wall having a concave inner surface and a bite platform extending from the concave inner surface of the curved wall to a distal end, the distal end of the bite platform extending continuously in a non-interrupted manner from a first end of the bite platform to a second end of the bite platform; an electromagnetic radiation source configured to emit electromagnetic radiation from the curved wall; and wherein the bite platform comprises a collapsible region such that the mouthpiece is alterable between: (1) a biased state in which the curved wall has a first curvature; and (2) a flexed state in which the curved wall has a second curvature that is different than the first curvature.

An oral treatment device that emits light onto surfaces of a user's teeth. In one aspect, the oral treatment device includes an intraoral mouthpiece. The mouthpiece comprises a lamp support structure comprising a lamp support surface and is formed of a first material. A flexible lamp is mounted to the lamp support surface so that a light emitting surface of the flexible lamp assumes a concave curvature, thereby forming a lamp assembly. A guard component is overmolded to the lamp assembly. The guard component is formed of an elastomeric material having a hardness that is less than a hardness of the first material. In one embodiment, the oral treatment device may be a teeth whitening device.

An oral treatment device that emits light onto surfaces of a user's teeth. In one aspect, the oral treatment device includes an intraoral mouthpiece comprising: a lamp support surface; and a lamp. When the lamp is mounted to the lamp support surface, a first contact surface of the lamp contacts a first contact surface of a first electrical contact element of the lamp support surface; and (2) a second contact surface of the lamp contacts a second contact surface of a second electrical contact element of the lamp support surface.

An oral treatment device that emits light onto surfaces of a user's teeth. In one aspect, the oral treatment device includes an intraoral mouthpiece. The mouthpiece may comprise a lamp support structure comprising a lamp support surface; first and second lamps, each of the first and second lamps comprising a plurality of light emitters that generate light which is emitted from a rear surface of the lamp; each of the first and second lamps mounted to the lamp support surface, thereby forming a lamp assembly, each of the first and second lamps operably coupled to a control circuit having a power source; and a lamp retaining component coupled to the lamp support structure, a lower portion of the first lamp and an upper portion of the second lamp retained between the lamp retaining component and the lamp support surface of the lamp support structure.

An oral treatment device that emits light onto a user's teeth. The oral treatment device includes an intraoral mouthpiece comprising: a lamp comprising: a flexible sheet body having a front surface and a rear surface; and a plurality of light emitting diodes embedded within the flexible sheet body that generate light which is emitted from the rear surface of the flexible sheet body. The flexible sheet body comprises: a flexible lens plate formed of a biocompatible material. The plurality of light emitting diodes are printed to the front surface of the flexible lens plate, the rear surface of the flexible lens plate forming the rear surface of the flexible sheet body. The rear surface of the flexible sheet body of the lamp having a concave curvature and being exposed so as to form a light emitting surface of the mouthpiece.

An oral treatment device that emits light onto surfaces of a user's teeth. In one aspect, the oral treatment device includes an intraoral mouthpiece. The mouthpiece comprises: a first light emitting surface configured to emit light onto a user's maxillary teeth, the first light emitting surface having a concave curvature; a second light emitting surface configured to emit light onto a user's mandibular teeth, the second light emitting surface having a concave curvature; the first and second light emitting surface located on opposite sides of a horizontal reference plane; the first light emitting surface inclined so that a first acute angle is formed between with the first light emitting surface and the horizontal reference plane; and the second light emitting surface inclined so that a second acute angle is formed between with the second light emitting surface and the horizontal reference plane.

Methods are provided for regulating tooth movement and for maintaining or improving tissue health using heavy forces. Such methods comprise allowing a heavy force to be exerted on one or more teeth of a patient in need thereof; and administering an effective amount of light to the maxillary or mandibular alveolar bone of the patient, wherein the light is administered before, during, or after the heavy force is exerted. The light can have a wavelength in the range of about 585 nm to about 665 nm, or about 815 nm to about 895 nm. An apparatus useful for providing light therapy is also provided.

The invention relates to a device for actuating a clutch-controlled transfer case having a two-stage intermediate gearing and a clutch-controlled transfer case that has a two-stage intermediate gearing and that is equipped with such a device. The device comprises: a rotatably driven selector shaft,a drive for rotating the selector shaft,a clutch cam disk, which can be rotated about a clutch cam disk axis by means of the selector shaft, andat least one scissor lever, wherein: one end (06) of at least one scissor lever is guided in a gate provided on the clutch cam disk,the gate has a curved path for each scissor lever, in which curved path the end of the scissor lever associated with the curved path is guided,the curved path winds around the clutch cam disk axis by at least 360°,the curved path has at least one helical segment having a continuously increasing or decreasing distance from the clutch cam disk axis, along which segment one end of a scissor lever guided therein experiences a continuously increasing or decreasing change in deflection with respect to the clutch cam disk axis during a rotation of the clutch cam disk with increasing angle of rotation, andthe clutch cam disk is disposed in such a way that the clutch cam disk can be rotated with respect to the selector shaft between two stops by an angle-of-rotation range such that, by means of rotation of the selector shaft within the angle-of-rotation range situated between said stops, shifting back and forth between the shifting stages of the intermediate gearing occurs, and, by means of rotation of the selector shaft beyond the angle-of-rotation range, the end of the at least one scissor lever experiences a deflection for actuating the clutch while a selected shifting stage is maintained.

A synchronization unit of a switchable gear changing transmission for a vehicle. The synchronization unit includes a friction ring having an outer installation surface and a synchronizer ring having an inner installation surface. The outer installation surface of the friction ring is shaped as a first geometrically structured profile. The inner installation surface of the synchronizer ring is shaped as a corresponding second geometrically structured profile. The first profile of the friction ring is configured to engage with the second profile of the synchronizer ring in such a manner that the friction ring is secured in the radial direction to the axis and in the circumferential direction at the synchronizer ring.

The invention relates to a polymer composition which absorbs infrared radiation (IR), containing a transparent thermoplastic plastic, an inorganic infrared absorber, also referred to as IR absorber hereinbelow, at least one inorganic nano-scale pigment, and the combination of at least two organic coloring agents of a specific structure, and to the preparation and use of the polymer compositions according to the invention and to products produced therefrom.

The invention provides a method and formulation for cleaning a soiled substrate, the method comprising the treatment of the moistened substrate with a formulation comprising a multiplicity of polymeric particles, wherein the formulation is free of organic solvents. Preferably, the substrate is wetted so as to achieve a substrate to water ratio of between 1:0.1 to 1:5 w/w. Optionally, the formulation additionally comprises at least one cleaning material and, in this embodiment, it is preferred that the polymeric particles are coated with the at least one cleaning material. Preferably, the cleaning material comprises a surfactant, which most preferably has detergent properties. Most preferably, the substrate comprises a textile fiber. Typically, the polymeric particles comprise particles of nylon, most preferably in the form of nylon chips. The results obtained are very much in line with those observed when carrying out conventional dry cleaning processes and the method provides the significant advantage that the use of solvents, with all the attendant drawbacks in terms of cost and environmental considerations, can be avoided.

A method for treating laundry in a clothes dryer having a rotating drum defining a treatment chamber that includes applying a treating chemistry, which may include a treating chemistry that benefits from uniform distribution, on the laundry and drying the laundry after the applying of the treating chemistry.

A fabric cleaning composition comprising from 1% to 20% by weight of the fabric cleaning composition of an oxygen-based bleaching source and a hueing agent, and wherein the neat composition has a pH between 2.5 and 5.5, and a method of using said fabric cleaning composition.

A laundry treating appliance having a treating chamber for receiving laundry and configured to perform one or more cycles of operation and method for actively dehumidifying the treating chamber of a laundry treating appliance to retard or eliminate the adverse effects of moisture-laden laundry remaining in the treating chamber or moisture remaining in the treating chamber or other areas of the laundry treating appliance.

An apparatus and method for detecting an imbalance in the laundry load and effecting a redistribution of the imbalance by reducing the rotational speed of the treating chamber such that part of the load may redistribute while part of the load remains satellized, without ceasing rotation, and increasing the rotational speed back to a spin speed after redistribution.

A process of covalently modifying a lignocellulosic material is provided. The process includes oxidizing a lignocellulosic material having hydroxyl groups with an oxidant to oxidize at least a portion of the hydroxyl groups to carboxylic acid groups, optionally activating the carboxylic acid groups with an activating agent to form activated carboxylic acid groups, and reacting the carboxylic acid groups or the activated carboxylic acid groups with a first nitrogen-containing reagent selected from amino acids, peptides, or protected derivatives thereof to provide a treated lignocellulosic material. The treated lignocellulosic materials thus prepared displays resistance to degradation.

The invention discloses a laundry article used for both cleaning and conditioning fabrics comprising a water-insoluble nonwoven substrate and coated thereon into at least one zone each a detergent composition and a fabric conditioning composition. The fabric conditioning composition comprises a quaternary ammonium cationic surfactant, an alkoxylated fatty alcohol and a fatty acid.

A cleaning composition according to one embodiment includes a surfactant system comprising nonionic surfactant in combination with an anionic surfactant; water present in an amount from 0 to about 40 wt % based on a total weight of the cleaning composition; a solvent system comprising a polyalcohol, the solvent system being present in an amount effective to solubilize the surfactant system in the water; and an enzyme present in an amount of less than about 15 wt %; wherein the cleaning composition is in a form of a continuous phase, wherein the cleaning composition is characterized as exhibiting about a constant cleaning efficacy as measured using test procedure ASTM D4265 when the cleaning composition is added to 69 liters of exterior water in amounts ranging from about 9 to about 22 grams of cleaning composition. Methods for pretreating and cleaning laundry and nontextile surfaces are also presented.

Functional additives for cleansing compositions exhibiting enhanced anti soil-re-deposition and/or dye transfer inhibitory properties comprising polymers in the form of homopolymers, copolymers or terpolymers synthesized from at least one hydrophobic monomer. Examples of hydrophobic monomers include N-vinyl caprolactam, vinyl acetate, vinyl esters, acrylated glycols, methacrylamide, C1 to C12 alkyl- and C1 to C12 dialkylacrylamide, C1 to C12 alkyl- and C1 to C12 dialkylmethacrylamide, C1 to C12 alkyl aery late, C1 to C12 alkyl methacrylate, 4-butyl phenyl maleimide, octyl acrylamide.

The invention provides a method and formulation for cleaning a soiled substrate, the method comprising the treatment of the moistened substrate with a formulation comprising a multiplicity of polymeric particles, wherein the formulation is free of organic solvents. Preferably, the substrate is wetted so as to achieve a substrate to water ratio of between 1:0.1 to 1:5 w/w. Optionally, the formulation additionally comprises at least one cleaning material and, in this embodiment, it is preferred that the polymeric particles are coated with the at least one cleaning material. Preferably, the cleaning material comprises a surfactant, which most preferably has detergent properties. Most preferably, the substrate comprises a textile fiber. Typically, the polymeric particles comprise particles of nylon, most preferably in the form of nylon chips. The results obtained are very much in line with those observed when carrying out conventional dry cleaning processes and the method provides the significant advantage that the use of solvents, with all the attendant drawbacks in terms of cost and environmental considerations, can be avoided.

A bluing composition concentrate comprises an aqueous medium and at least one colorant that exhibits a blue or violet shade when deposited onto a textile material. The concentrate can be used to produce a bluing composition, and the bluing composition can be used to treat textile materials in such a way as to decrease the visually-perceived yellow coloration of textile articles that can occur with repeated use and laundering.

Concentrated cleaning formulations for removing debris from hard surfaces and textile surfaces. An exemplary formulation includes a mixture of the following chemical components, in specified proportions: glycerin;monopropylene glycol;triethylene glycol methyl ether;a non-ionic surfactant;an emulsifier;soya methyl ester or canola methyl ester, or both; andhydroxypropyl sulfonate; The formulation is free of water other than insignificant amounts present in the chemical components combined to make the mixture. Combining the formulation with water causes a temperature of the combination to increase above the temperatures of the water and the formulation before combining.

A transmission circuit includes: a first transistor, a first current source, a third transistor. The first transistor has a source terminal coupled to a first reference voltage terminal of the transmission circuit and a drain terminal coupled to a first output terminal of the transmission circuit. The first current source is coupled between a gate terminal of the first transistor and a second reference voltage terminal of the transmission circuit. The third transistor has a drain terminal coupled to the first output terminal of the transmission circuit, a source terminal coupled to the second reference voltage terminal of the transmission circuit, and a gate terminal for receiving a first input signal. The first transistor is of a first conducting type, and the second transistor is of a second conducting type different from the first conducting type.

A separator for a rechargeable battery and a rechargeable lithium battery, the separator including a porous substrate; and a heat-resistant porous layer on at least one surface of the porous substrate, wherein the heat-resistant porous layer includes a filler and a copolymer including a structural unit of vinylidenefluoride, a structural unit of hexafluoropropylene, and a structural unit of a carboxyl-containing monomer, the structural unit of hexafluoropropylene is present in an amount of about 4 wt % to about 10 wt %, based on a total weight of the copolymer, and the structural unit of a carboxyl-containing monomer is present in an amount of about 1 wt % to about 7 wt %, based on the total weight of the copolymer.

A catalyst composition and a use thereof are provided. The catalyst composition includes a support and at least one RuXMY alloy attached to the surface of the support, wherein M is a transition metal and X≧Y. The catalyst composition is used in an alkaline electrochemical energy conversion reaction, and can improve the energy conversion efficiency for an electrochemical energy conversion device and significantly reduce material costs.

A fuel cell unit having at least one fuel cell, a cooling circuit and a deionization device (10). The deionization device includes a housing (16) and a deionizing agent (11) located therein A vehicle is also provided having such a fuel cell unit. It is provided that the deionization device (10) can be or is connected in a fluid-conveying manner to the cooling circuit (5) with a single connection unit (15) via a flow inlet (13) and a flow outlet (14).

The invention relates to a method for operating a secondary battery (1, 4) which comprises multiple interconnected, bridgeable battery subunits (A, B) and is situated in a compartment (3) of an electrically driven vehicle, in particular a watercraft, characterized in that the accessibility of each battery subunit (A, B) is detected, and the battery subunits (A, B) are activated in accordance with the accessibility of the particular battery subunits.

Systems and methods for treating small elongated fibrous and particles of certain materials, e.g., PTFE materials in a suspension are presented. In some instances, high-intensity ultrasound (or acoustical energy) is applied to a sample of the material, through a fluid coupling medium or suspension, to achieve a material transformation in the sample. In various embodiments, fibrillation of particles of PTFE or similar materials is accomplished, or the formation of extended structures of these materials is caused or enhanced. Also, the ability to separate long fiber samples by ultrasonic or acoustic cavitation action is provided.

An applicator head for cutting yarn into segments of yarn and depositing the segments of yarn on a deposition surface. The applicator head includes a single mechanism that moves the yarn towards said deposition surface and also cuts the yarn into segments.

Apparatus for producing spread fiber bundles by strategic use of tension control throughout the device and use of higher differential speeds between driven rollers and line speed of the running fiber bundle are provided herein, along with methods for producing spread fibers, prepregs, and articles of manufacture therefrom.

In a device on a spinning room preparation machine, for example a fiber flock feeder, carding machine, cleaner or the like, for supplying and/or discharging fiber material, a tray-like guide element having a guide surface co-operates with at least one conveyor roll located opposite, the fiber material being guided towards and along the guide surface. In order to provide a simple way of supplying and/or discharging fiber material without undesirable adhesion of fibers, the guide element located opposite the at least one conveyor roll is arranged to be set in vibration by at least one actuator.

A pressure steam treatment apparatus according to the invention includes a pressure steam treatment chamber and labyrinth sealing chambers. The labyrinth sealing chambers are respectively arranged on a fiber bundle inlet and on a fiber bundle outlet of the steam treatment apparatus, having a running path of the fiber bundle in a horizontal direction and having plural labyrinth nozzles on top and bottom of the running path. The difference between a maximum value and a minimum value of the distance in the perpendicular direction of the top and bottom side labyrinth nozzles, of a pair of opposing labyrinth nozzles is 0.5 mm or smaller when the ambient temperature of the labyrinth sealing chamber is 140° C. This structure ensures that the energy cost can be reduced, the deformation of the apparatus and also, the raise of fuzz on the fiber bundle and fiber bundle breakage can be prevented at the same time.

An apparatus for and method of steam treatment of fodder, for example animal fodder which is typically in baled form. The purpose of steam treating is to kill mesophilic and thermophilic mould spores that are either attached to the fodder or detach when disturbed and become airborne. These airborne particles are associated with respiratory problems, infections and allergies to livestock as well as humans. The apparatus for steam treating fodder comprises at least one steam distribution manifold, which has a plurality of lances adapted to penetrate a bale of fodder so that steam is supplied to the interior volume of the fodder.

A connection device for setting up an arrangement of a plurality of loudspeaker boxes that are suspended beneath one another comprises a first assembly rail which is provided for assembly on a first loudspeaker box and to which a latching part is attached, and a second assembly rail which is provided for assembly on a second loudspeaker box and to which a retaining element that interacts with the latching part is attached. Herein, a free path length of a longitudinal displaceability of the latching part in relation to the first assembly rail is preselectable. Furthermore, the position of the retaining element in relation to the second assembly rail is preselectable.

A suspension system has an isolator cylinder with a primary reservoir having a primary reservoir volume, a secondary reservoir having a secondary reservoir volume, a manifold and a primary duct fluidly connecting the primary and secondary reservoirs for controlling the flow rate of the fluid between the primary and secondary reservoirs, and optionally a valve for controlling a flow rate of a fluid through the duct, and a control system for operating the valve. A shock absorption system for a vehicle seat is provided comprising an isolator with at least one secondary pneumatic reservoir connected with a fluid duct to the primary reservoir of an isolator. The reservoir volumes, length and cross sectional area of the connecting duct and fluid flow control valves may be determined using methods including algorithms, experimental testing and models to determine the optimal values to achieve consistent shock mitigation across a range of seat loads.

A head support for stopping snoring of a sleeping individual, wherein the head support has a head resting surface for the head of a sleeping individual to rest on, including an active layer with an arrangement of neighboring deforming elements for controlling the height of the head support section by section, and a sensing layer which is arranged between the head resting surface and the active layer to detect a position of the head resting on the head resting surface.

The embodiments disclosed herein are related to a supportive head and neck pillow with a supportive bone structure inside the pillow. The pillow is used for head and neck support, and comfort while sleeping sitting up during transportation. It can also be used for head and neck support for people who have neck injuries, or to prevent neck injuries during transportation. The sleepy heads neck pillow disclosed comprises a pillow with a bone structure support inside it.

A reverse coil head coil and innerspring has a generally cylindrical and helical wire form coil body and opposing coil ends which terminate on opposite sides of a reference plane that passes through the coil body. The reverse coil head coils are interconnected in a matrix to form an innerspring wherein only one terminal end of each coil is located at a perimeter of the innerspring. Variations in the number and pitch of helical turns of the coil body are also disclosed.

The portable head support device of the present invention provides comfortable support for a user's head while the user is in a sitting potion. The pillow or cushion has a v-shape on the top where a user's chin can rest so that the head cannot fall forward or sideways but will stay in a comfortable and upright position. The pillow is held in place by hook and loop fasteners located on the pillow and, for instance, on straps extending from behind the user's back and over the shoulders or wraparound supports wrapped around standard seat belts. The head support can be used in child car seats to keep a child's head in a safe and stable position while they sleep.

A universally adjustable pillow for use in healthcare and/or therapy includes a base board (1), and pillows for, respectively, right lateral recumbency (4), supine recumbency (2), left lateral recumbency (5) and for the neck (3) that are arranged on said base board (1). The pillows for left and right lateral recumbency (5,4) each include an external cushion, a mechanism enabling adjustment to fit vertebral curvature (52, 42), a mechanism enabling adjustment to inhibit too great an angle of lateral tilt (53, 43) and height adjustment members (51, 41). The longitudinal axes of the pillows for left and right lateral recumbency (5, 4) are set an angles α and β to the longitudinal axis of the pillow for supine recumbency (2).

A movable privacy screen includes a plurality of privacy screen segments that are attachable to a bed or gurney. The plurality of screen segments include at least first and second screen segments. Each of the first and second screen segments include a first support pole, a second support pole and a coupler. The first support pole has a variable length to permit the first support pole to move between a collapsed configuration and an expanded configuration. The second support pole has a variable length to permit the second support pole to move between a collapsed configuration and an expanded configuration. The coupler movably couples the first and second support poles to the bed in a spaced relation to permit the first and second support poles to move between an upstanding use position and a lowered storage position. A fabric-like screen member is coupled to each of the first and second support poles. The fabric-like screen member is sized to extend between the first and second support poles, and is movable between a raised use position and a lowered storage position.

A patient support apparatus having a support table, a transfer plate, which is disposed movably in relation to the support table in a direction and on which a patient is supported for a surgical intervention and/or a medical imaging examination, and a surgical head restraint unit, which is disposed on the transfer plate is provided. The patient support apparatus includes a position monitoring apparatus for monitoring and/or checking a position of the surgical head restraint unit.

A method for reducing noise at a wellsite includes transmitting a plurality of first signals from a variable frequency drive (VFD) to an alternating current (AC) induction motor. A timing of a plurality of second signals is varied to control transistors in an inverter of the VFD, thereby reducing harmonic distortion of the first signals output from the VFD. The timing is varied based at least partially upon an estimation of the harmonic distortion.

A wireless access control system may include a remote access wireless communications device and a lock assembly to be mounted on a door. The lock assembly may include a lock, a door position sensor, interior and exterior directional antennas, lock wireless communications circuitry, a touch sensor, and a lock controller. The lock controller may be configured to unlock the lock based upon the touch sensor, determine when the door is closed after being opened based upon the door position sensor, determine whether the remote access wireless device is in an interior or an exterior based upon the directional antennas, switch the lock to the locked position when the door is closed and when the remote access wireless device is in the interior, and not switch the lock to the locked position when the door is closed and when the remote access wireless device is in the exterior.

A wireless access control system may include a remote access wireless communications device and a lock assembly to be mounted on a door. The lock assembly may include a lock, a door position sensor, interior and exterior directional antennas, lock wireless communications circuitry, and a lock controller. The lock controller determine whether the lock is manually unlocked, determine when the door is closed after being opened based upon the door position sensor, and determine whether the remote access wireless device is in an interior or an exterior based upon the directional antennas. The lock controller may also switch the lock to the locked position when the door is closed and when the remote access wireless device is in the exterior, and not switch the lock to the locked position when the door is closed and when the remote access wireless device is in the interior.

The Firearm Alarm is a pressure-plate activated alarm switch to provide a functional and operational response to handguns being handled in a home. The design of the Firearm Alarm allows for mobility and placement in almost any type of setting. The alarm is a high decibel alarm that can access any part of most homes, even through closed doors and walls. The Firearm Alarm also allows for a tiered defense of a firearm such as using it in conjuncture with trigger locks and weapon safes.

A register system includes a handheld unit including a code scanner and a security tag signal reception unit and a processor. The processor is configured to determine whether or not a security tag on a product is deactivated based on whether or not the security tag signal reception unit receives a security tag signal from the product during scanning of a product code on the product, and register the product code for a transaction when the security tag is determined to be deactivated.

A method for interleaving time slots in a multi-antenna system for communication with RFID tags is disclosed. An example is shown for an eight antenna system. A first four antennas arranged side-by-side are sequentially energized to interrogate RFID transponders. A second set of four antennas arranged side-by-side, the first of which is adjacent to the last of the first set of antennas. A four-antenna sequence is performed for the first four antennas and a second four antenna sequence is performed for the second set of antennas. The first and second four antenna sequences are offset by only a marginal amount, sufficient to ensure that a transponder signal received four antennas away from an active antenna is not acknowledged because the receive window for the non-active antenna is delayed.

The ignition system includes a mini hydroelectric generator module connecting an inlet pipe for generating electricity by water flow passing through the inlet pipe and it; a power quality monitoring module electrically connecting the mini hydroelectric generator module for monitoring output electricity quality of the mini hydroelectric generator module and switching on/off the electricity; an ignitor electrically connecting the power quality monitoring module for receiving electricity from the power quality monitoring module to ignite; and an electronic valve electrically connecting the power quality monitoring module for receiving electricity from the power quality monitoring module to switch on/off a gas pipe.