Abstract: A catalytic fuel igniter is compatible with internal combustion engines and other chemical fuel operated systems. The catalytic fuel igniter does not require electrical components typically required for such systems, thus reducing complexity. The catalytic fuel igniter includes a catalyst in a controlled environment which ignites the fuel and air at the proper time for engine operation. In one embodiment the fuel is a hydrogen fuel and the catalytic fuel igniter is a hydrogen fuel igniter.

Abstract: The present invention provides an improved gas ignition switch, which comprises a gas switch main body, a closer assembly, a knob assembly, a pressing plate, a inching switch and an electronic ignition device, and the outside of the gas switch main body is further configured with an enclosure. The enclosure covers the inching switch and the corresponding pressing plate, so as to separate the corresponding positions of the inching switch and the pressing plate from the outside environment.

Abstract: An ignition switch assembly suitable for being connected to a rotary shaft of a gas tap of a cooking appliance. According to one implementation the ignition switch includes a coupling element through which the ignition switch assembly is coupled to the rotary shaft, the coupling element being rotational with the rotary shaft. A fixed contact element and a movable contact element are provided within a casing of the assembly along with the coupling element which includes a cam on an outside surface thereof. The movable and fixed contact elements and the coupling element are arranged so that the cam urges the moveable contact element into contact with the fixed contact element when the coupling element is rotated between a selective angular range. A resistance element is arranged to contact at least a portion of the body of the coupling element to provide resistance against the rotational movement of the coupling element.

Abstract: The present invention provides an improved gas ignition switch, which comprises a gas switch main body, a closer assembly, a knob assembly, a pressing plate, a inching switch and an electronic ignition device, and the outside of the gas switch main body is further configured with an enclosure. The enclosure covers the inching switch and the corresponding pressing plate, so as to separate the corresponding positions of the inching switch and the pressing plate from the outside environment.

Abstract: A hot air generator comprising a handle (12), an elongated nozzle (14), flame generating means (6), a venturi (4), a gas conduit (162) intended to bring a combustible gas into the elongated nozzle (14) and at the flame generating means (6), an air conduit (164) intended for bringing compressed air into the elongated nozzle (14) and downstream from the venturi; characterized in that the generator further comprises a servocontrolled pressure regulator (2) controlling a gas pressure (Pd.g) in the gas conduit (162) depending on an air pressure (Pd.a) in the air conduit (164).

Abstract: A gas torch is provided that includes an auto-ignition system disposed within the gas torch, a preheat oxygen conduit array extending through the gas torch, a fuel gas conduit array extending through the gas torch, and a cutting oxygen conduit array extending through the gas torch. At least one safety device is disposed within the gas torch, such as check valves and flashback arrestors, by way of example. The gas torch also includes a cutting oxygen trigger and an ignition trigger operable to start preheat gas flow and to ignite the gas torch. The ignition trigger is configured for automatic disengagement of the auto-ignition system when the ignition trigger is released.

Abstract: A lighting control switch harness includes a plurality of elements each including a body for a respective gas tap, one or more light sources, and a printed circuit. A first switch includes a first member couplable to a mobile stem of the gas tap for integrally rotating therewith and taking contacts of the first switch towards one another. A second switch includes a second member couplable to the stem of the tap for translating parallelly thereto and taking contacts of the second switch towards one another. The elements are connected to one another only by a first wire connected to a first contact of the second switch of each element, a second wire connected to a second contact of the first switch of each element, and a third wire connected to a second contact of the second switch of each element and to the printed circuit.

Abstract: An auto-alignable knob for a home appliance includes an offspring box self-connectable with a valve shaft. A mobile box has at least one lateral face including a pin. The mobile box is coupled to the offspring box to allow a free movement relative to one another along a first axis. A fixed box includes an indentation and a groove. The mobile box is insertable to the fixed box by insertion of the pin of the lateral face through the groove. The pin of the mobile box provides a respective degree of freedom to the mobile box relative to the indentation of the fixed box along at least a second axis normal to the first axis.

Abstract: An ignition switch assembly connectable to a rotary shaft of a gas tap of a cooking device. The ignition switch assembly has a coupling element connectable to the rotary shaft of the gas tap, a fixed contact, a mobile contact, and a cam coupled to the coupling element which is configured to move the mobile contact relative to the fixed contact. The cam has a guide that is moveable within a groove of the switch assembly which controls the lateral displacement of the cam in relation to the coupling element so that the lateral displacement of the cam is controlled such that when the coupling element is rotated in a first direction, electrical contact between the mobile and fixed contacts is achievable, but when the coupling element is rotated in a second direction opposite the first direction the lateral displacement of the cam is controlled to prevent electrical contact between the mobile and fixed contacts.

Abstract: A gas lighting device having a casing fastenable to an electric household appliance by means of fastening means coupleable with corresponding perforations obtained on a carrying element of the electric household appliance; wherein the fastening means consist of at least one pair of elastically deformable fastening elements protrudingly carried by the casing, perpendicularly to the same, in a position immediately adjacent one to the other so that they are adapted to snappingly couple with only one and the same of said perforations of the carrying element of the electric household appliance.

Abstract: An ignition switch assembly connectable to a rotary shaft of a gas tap of a cooking device. The ignition switch assembly has a coupling element connectable to the rotary shaft of the gas tap, a fixed contact, a mobile contact, and a cam coupled to the coupling element which is configured to move the mobile contact relative to the fixed contact. The cam has a guide that is moveable within a groove of the switch assembly which controls the lateral displacement of the cam in relation to the coupling element so that the lateral displacement of the cam is controlled such that when the coupling element is rotated in a first direction, electrical contact between the mobile and fixed contacts is achievable, but when the coupling element is rotated in a second direction opposite the first direction the lateral displacement of the cam is controlled to prevent electrical contact between the mobile and fixed contacts.

Abstract: A method for igniting a fuel/oxidant mixture in an industrial furnace. At least one fuel supply conduit and at least one oxidant supply conduit is provided, each conduit having an opening that opens on a side of the burner head that faces the furnace interior space. Fuel and oxidant are supplied to the burner head, and a light detector for detecting ultraviolet light, or other light wavelengths, is provided for detecting light that indicates the presence of a flame. A laser is positioned to emit a laser beam onto a point on the burner head adjacent the conduit outlets and to heat that point to a temperature exceeding the ignition temperature of the fuel/oxidant mixture. When the burner has ignited, the detector emits a signal to a control circuit that extinguishes the laser beam.

Abstract: A gas appliance control assembly includes a gas valve and a reed switch operated simultaneously by rotation of a single shaft. The reed switch opens and closes a circuit including an electronic ignition module and a spark igniter so that spark is provided as the gas valve is adjusted to a burner igniting condition.

Abstract: The invention provides a lighter with a safety switch, comprising: a housing, a fuel container within the housing, a piezoelectric assembly, and a vent assembly. The piezoelectric assembly comprises a piezoelectric element, a snap, as well as a upper and lower push rods arranged between the snap and piezoelectric element. The lower part of the upper push rod and the upper part of the lower push rod are connected in a manner that they can deviate from the centerline of the upper and lower push rods toward one side. Thus, the upper and lower push rods can bend to one side at the joint during the operation of the snap. The lighter further comprises a safety switch, which can prevent the upper and lower push rods from bending.

Abstract: A gas appliance control assembly includes a gas valve and a reed switch operated simultaneously by rotation of a single shaft. The reed switch opens and closes a circuit including an electronic ignition module and a spark igniter so that spark is provided as the gas valve is adjusted to a burner igniting condition.

Abstract: A combination timer and controller for a gas-operated appliance, such as a pizza oven, is provided. The combination includes a rotatable control shaft having a first end connectible to a gas valve and a control knob attachable to a second end of the control shaft. A timer can be preset to a selected time at which the control shaft is to be turned from an off position to an on position. An actuator motor is provided to turn the control shaft to the on position and it is controlled by the timer so that the motor is turned on by the timer at the selected time. There is a gear arrangement for connecting the output of the motor to the control shaft and a coil spring for rotating the control shaft to the off position when the motor is turned off.

Abstract: An ignition controller has a pressure controller having a housing with a first inlet and a first outlet, an ignition adjustor having a housing with a second inlet and a second outlet and an adjusting assembly. The second outlet is connected to the second inlet and the second inlet is connected to the first outlet of the pressure controller and the adjusting assembly is movably mounted to the housing to adjust the gas flow rate in the second outlet. The ignition controller is mounted on a barbecue grill with the first inlet connected to a gas supply and the second outlet connected to a burner member whereby the gas flow has a stable pressure and the gas flow rate is precisely adjusted.

Abstract: The present invention relates to a improved technology of electronic lighter, it includes the gas valve assembly on casing, piezoelectric assembly and press trigger, characterized in that a strengthener is provided between piezoelectric assembly and press trigger; there is a push key on press trigger and a reset spring between push key and side wall of press trigger with a lobe at its bottom which has a position corresponding to the top of strengthener. The present invention has properties of effective controlling the operation state of press trigger, preventing from mistake manipulation, heightening the safety of lighter and pushing the press trigger with ease for being supplemented with a strengthener and realizing its matching with push key.

Abstract: Apparatus for igniting combustible fuel discharged from an outlet in a burner tube comprises a dielectric support within which are an ignition electrode and a ground electrode projecting beyond the support and which are spaced from one another a distance to form a gap which may be traversed by sparks generated by the ignition electrode. A fuel concentrator plate is carried by the ground electrode and partially embraces the ignition electrode adjacent the gap. The electrode support is mounted directly on the burner tube in a position to enable the concentrator plate to intercept fuel discharged from the outlet and concentrate the fuel in the zone of the gap.

Abstract: The present invention relates to a gas lighter with high-voltage discharge control. In the existing lighter, when an actuator button is pressed, the discharge takes place between the high-voltage electrode and the gas nozzle, thereby the combustible gas is ignited, but such a lighter has unsatisfying safety. The lighter according to the present invention comprises a fuel tank, piezo-electric device and gas outlet device inside the fuel tank, and a windscreen above the gas outlet device. The piezo-electric device comprises a piezo-electric block, an actuator button associated with said piezo-electric block and a conducting wire. One end of the conducting wire is fixed to the piezo-electric block, the other end is fixed to the upper part of the fuel tank as a high-voltage electrode, characterized in that in the windscreen there are a conductor element, which can be brought close to the high-voltage electrode, and a control element connected thereto, said control element is connected to the gas outlet device.

Abstract: An improved structure of an ignition knob of a gas stove is disclosed. The structure includes a gas supply tube mounted around a stove disc and passed through a gas tube of the gas stove, and a knob holder being turned to one end of the center thereof, and a gas flow axle valve being inserted with the axle end and a knob holder being actively turned a metal axle core of the gas flow axle valve. The gas flow of the stove disc at the extending shell end of the metal core of the gas flow axle valve, and a vertical projecting of a metal plate are overlapped and the metal plate is in eccentric towards the appropriate position of the core, and is secured with an L shaped block, where an L shaped block is a conductor covered by an insulator.

Abstract: A side actuation arrangement is incorporated with a piezoelectric lighter and includes a depressing button movably disposed in an ignition cavity of a lighter case and adapted to depress a movable operating part of a piezoelectric unit, and a side actuation member provided and being actuated on a front or rear side of the lighter case to drive the depressing member to depress the movable operating part of the piezoelectric unit so as to ignite the piezoelectric lighter. Therefore, the depressing button is hidden by the sidewall of the lighter case so as to prevent the piezoelectric lighter from being ignited unintentionally.

Abstract: A gas flow control and igniter switch assembly for a gas appliance includes a valve body having a stem, an igniter activating switch and a knob, wherein the igniter is activated upon depressing of the knob a predetermined distance. The igniter switch is preferably constituted by a multi-piece outer casing within which is mounted multiple igniter contacts, an electrical connector, and an activating member. The activating member carries the electrical connector and is biased to a position which maintains an electric circuit to the igniter open. The multi-piece outer casing is adapted to be snap-fittingly secured together and mounted about the stem of the valve. Preferably, the stem extends freely through the outer casing but press-fittingly receives the activating member such that the activating member moves in axial unison with the stem.

Abstract: The present invention is directed to an adjustable electrode for oil burners. This electrode includes an elongated main electrode, an electrode tip support member and an electrode tip. The elongated main electrode has a conductive core element and has an outer end and an inner end. The inner end is adapted for connection to an electrical path of a source of electrical power, and the outer end has an electrode tip support member conductively connected to it. The support member has a central axis and has an electrode tip-receiving orifice therethrough at a predetermined angle relative to the central axis. Additionally, the support member has a locking mechanism for locking the elongated electrode tip in the orifice and for unlocking the elongated electrode tip for adjustment in and removal from the orifice. The locking mechanism may be a set screw, spring, swing lever or other locking mechanism.

Abstract: A gas-burner electrical switch, which may be associated with a gas-supply cock. The gas-supply cock has a maneuvering stem (14) that is free to slide and turn about its own axis within the cock body (13) to control gas supply. The electrical switch includes a shell (15) that can be fixed to the cock body (13), and that encloses a first contact (16) that may be associated to a second contact (17) to close or to open an electrical circuit of the lighter. The switch includes a control rod (31), which is free to slide within the shell (15) and is constrained to the stem (14) in such a way as to translate with the stem (14) in both directions of sliding of the stem (14), but without being forced to rotate with the stem (14). The control rod (31) sets the two contacts (16, 17) in electrical connection at a point corresponding to at least one position of the stem (14). The two contacts (16, 17) are otherwise separate from one another.

Abstract: A child-proof safety device for eclipse lighter includes a deformable resistance member placed between a piezoelectric generator and a supporting bar providing an press resistance to the thumb-pusher, wherein the deformable resistance member has two grooves formed on two sides thereof corresponding to the end of a U-shaped metal-piece gas lever. The press resistance will resist a downwardly pressing force applied by an under age child on the thumb-pusher while an adult is capable of pressing the thumb-pusher easily.

Abstract: A gas lighter includes a handgrip holding a fuel tank and an electric arc generator, an actuating device pivoted to the inside of the handgrip, an ignition button mounted in an opening on the handgrip and adapted to trigger the electric arc generator in producing an electric arc for burning fuel gas discharged out of a gas nozzle in a cylindrical metal casing at one end of the handgrip and simultaneously to drive the actuating device in opening the fuel tank for enabling fuel gas to flow out of the fuel tank to the gas nozzle for burning, and a spring-supported locking lever assembly mounted in a sector slot on the handgrip and adapted to move the actuating device between the operative position and the non-operative position.

Abstract: An improved stove ignition structure includes an ignition knob, a jump spark power source, a magnetic switch, an electric spark generator, and a lead wire for circuit connection. The ignition knob is provided on a control panel of a stove. The center of the knob face near the control panel is inserted and fixed in a valve shaft extending from a gas valve in the stove. A magnetic is disposed at the periphery of the knob face at a suitable position. The magnetic switch is provided on the inner wall of the stove corresponding to the ignition knob such that the magnet reaches a determined ignition position. Two electrical contacts of the magnetic switch are connected to the jump spark power source of the stove. A voltage output end of the jump spark power source is connected via the lead wire to the spark generator at the bottom of a stove disk.

Abstract: A miniature heat source capable of being used in a hand-held device for delivering a metered pulse of fuel to a combustion chamber where it is converted into a pulsed amount of heat. For example, the heat source apparatus can be used in a hand-held cigarette smoking system or within a portable device wherein a microturbine generates electricity, as well as any type of environment where a high energy pulse of heat is desired. The heat source includes a valve such as a sliding, rotatable or timed valve which delivers a metered volume of fuel to the combustion chamber. The valve can deliver the fuel, in an expanded gaseous form, to a venturi conduit which increases the velocity of the gas flow, and delivers the fuel to a combustion chamber where the gas is mixed with air. The combustible mixture is then combusted within the combustion chamber by ignition and/or by catalyzed oxidation.

Abstract: A gas lighter comprises a housing for receiving a fuel reservoir and a pivot plate, a spring-biased ignition button partially raised above the housing with bottom in contact with the pivot plate having a conductive contact, a spring-biased safety button partially raised below the housing, a high-voltage circuit device including a first contact coupled to ignition tube, a second contact coupled to a source, and a conductive pad coupled between the second contact and the stud. In use, depress the ignition button and the first safety button to form an electrical path from the source to the ignition tube for generating an arc, and the pivot plate is pivoted by the ignition button to open a gas outlet to introduce gas to the ignition tube for igniting the gas lighter.

Abstract: An ignition system for a gas appliance comprises an ignitor for igniting gas, a gas valve which controls the flow of gas to the ignitor, and a delay switch which delays the opening of the gas valve. The delay switch comprises a piston and a cylinder which define a chamber. The piston moves between a first position and a second position in the cylinder. The piston is coupled to the gas valve such that when the piston reaches the second position, the gas valve is opened. The chamber includes a large aperture and a small aperture which influence the rate at which the piston moves. The large aperture includes a sealing member which seals the large aperture when the piston moves from the first position to the second position to resist the motion of the piston. The large aperture is opened when the piston moves in the other direction. The delay switch is connected to the ignitor such that when the ignitor is turned on, the piston moves against air resistance and delays the opening of the gas valve.

Abstract: A tube assembly for a gas range includes a small aluminum manifold block, valve assemblies adapted to regulate flow of gas from the manifold block to the burners, and burner orifices adapted to control flow of gas to the burners. Aluminum valve supply tubes each have a first end staked to an associated outlet of the manifold block and a second end connected to an inlet of an associated one of the valve assemblies. Aluminum burner tubes each have a first end connected to an outlet of an associated one of the valve assemblies and a second end connected to an associated one of the burner orifices. Two or more small manifold blocks can be interconnected by aluminum manifold supply tubes. The manifold supply tube can be easily bent to position the manifold blocks in any desirable position. An igniter assembly includes a pin extending from a stem of the valve assembly and a contactless position sensor.

Abstract: The combination lighter and fishing lure includes a body having a feature useful for attracting a fish, a reservoir for holding a fuel, an igniter to ignite the fuel and produce a flame, an outlet at which the flame is produced, means provided on the body for attaching a fishing line, and means provided on the body for attaching a fish hook. The igniter may include a forwardly projecting valve actuator that when used as a fishing lure serves as a spoon or blade to help the lure move through the water and produce the desired lure motion. The invention provides a multipurpose device useful both as a lighter and a fishing lure and an article attractive as a novelty item.

Abstract: An electronic ignition gun includes a casing holding a fuel gas container, a battery and a high voltage circuit on the inside, the fuel gas container having a gas outlet valve and a pull tab coupled to the gas outlet valve, a push-button switch mounted in a hole on the casing and depressed to drive the pull tab in opening the gas outlet valve for letting fuel gas be discharged out of the fuel gas container through a gas nozzle via a gas tube and to simultaneously close the circuit between the high voltage circuit and the battery, causing the high voltage circuit to discharge a high voltage in producing sparks for igniting discharged fuel gas, and safety lock means, which stops the push-button switch from operation.

Abstract: A safety apparatus of a piezoelectric lighter includes a pressure absorbing device disposed in a cap cavity of a casing of the piezoelectric lighter, a holding means integrally affixed to an interior surface of a thumb-push cap for rigidly holding one end of the pressure absorbing device in position, and a receiving means provided in the cap cavity for receiving and supporting another end of the pressure absorbing device in position. Therefore the pressure absorbing device is vertically held between the thumb-push cap and the ceiling of the casing for urging the thumb-push cap at an upper normal position thereof and providing an additional press resistance to the thumb-push cap, so as to resist a downwardly press force applied by an under age child on the thumb-push cap while an adult is capable of pushing down the thumb-push cap easily.

Abstract: A heat-melting glue gun including a body shell in which a heating member containing a heat-melting glue stick, a glue stick feeding means, a gas cylinder, and a current producer are mounted. A conduit pipe extends from the gas cylinder to end with a nozzle located below the heating member which is wrapped with a layer of thermal conductive net with good heat transfer ability. Wire lines having first ends connected to positive and negative electrodes of the current producer extend their second ends to points properly above the nozzle. When a flint in the current producer is struck, an instantaneous current is generated to cause a short-circuit spark to occur between the two second ends of the wire lines. Gas supplied from the gas cylinder and jetting from the nozzle is ignited by the spark to burn below the heating member, causing the glue stick in the heating member to be heat melted.

Abstract: An electronic ignition gun including a housing holding a gas lighter and a high voltage inductor, a press control switch pivoted to the housing and partially projecting out of an opening in the housing for operation with a hand to release the gas valve of the gas lighter and to trigger the high voltage inductor, the press control switch having a front projection adapted for triggering the high voltage inductor in inducing a high voltage for producing sparks for burning fuel gas, an arched rear side wall, and a bottom opening extended to a part of the arched rear side wall, and a gas lever balanced on a part of the gas lighter and having a notched coupling portion at one end coupled to the gas valve, an arched actuating face at an opposite end disposed in contact with the arched rear side wall of the press control switch, and a projecting block raised from one end of the arched actuating face and inserted into the bottom opening of the press control switch to guide the movement of the gas lever relative to the

Abstract: A tube assembly for a gas range includes a small aluminum manifold block, valve assemblies adapted to regulate flow of gas from the manifold block to the burners, and burner orifices adapted to control flow of gas to the burners. Aluminum valve supply tubes each have a first end staked to an associated outlet of the manifold block and a second end connected to an inlet of an associated one of the valve assemblies. Aluminum burner tubes each have a first end connected to an outlet of an associated one of the valve assemblies and a second end connected to an associated one of the burner orifices. Two or more small manifold blocks can be interconnected by aluminum manifold supply tubes. The manifold supply tube can be easily bent to position the manifold blocks in any desirable position. An igniter assembly includes a pin extending from a stem of the valve assembly and a contactless position sensor.

Abstract: A soldering tool (1) comprising a main housing (2) within which is located a fuel gas reservoir (4). A soldering body member (5) terminates in a rearwardly extending combustion chamber (11) within which is located a gas catalytic combustion element (14). A gas/air mixture is delivered through a jet outlet (21) where it is initially burnt with a flame in a flame combustion chamber (24) for raising the catalytic combustion element (14) to its ignition temperature. A piezoelectric ignition element (50) provides a spark across a spark gap (56) adjacent an electrode (55) for igniting the gas/air mixture to burn with a flame. An interrupt member (67) located downstream of a nozzle bore (28) temporarily interrupts the flow of fuel gas to the jet outlet (21) for extinguishing the flame after the catalytic combustion element (14) has been raised to its ignition temperature. A slidable actuator member (60) in the housing (2) sequentially operates the piezoelectric ignition element (50) and the interrupt member (67).

Abstract: A gas-flame heated, self-contained kettle comprises a housing (12); a gas burner (14) contained within the housing (12); a container (16) for the fluid (18) to be heated, positioned within the housing (12) and above the burner(14); and exhaust duct (22) leading from an area (24) above the burner (14), through the container (16), and out of a surface of the housing (12). Excess heat and combustion gases are exhausted in heat-exchanged contact with fluid in the container (16) via the ducts (22), for augmented heating of the fluid with simultaneous protection and insulation of the housing (12).

Abstract: An electrical harness for wiring the electrical ignition circuit of a cooking appliance equipped with a plurality of gas burners each provided with a remote-controlled electrical ignition element, comprising: a low-voltage electrical power supply line (1), one of the ends of which is provided with respective terminals (2) for its electrical connection to a low-voltage electrical power supply; a plurality of high-voltage generating units (3), the number thereof being equal to the number of gas burners (10), and being electrically connected to the said power supply line, each unit (3) comprising a switch (4) to control the power supply and being provided with means (5) for fast mechanical connection for connecting the same to the respective gas tap body; mechanical connecting means (6) for mechanically connecting each of the high-voltage generating units (3) to the electrical power supply line (1); and respective high-voltage output lines (7) from the high-voltage generating units (3), the free ends of said lin

Abstract: A handy gas torch of the type having a holder for accommodating a disposable cigarette lighter, a fuel gas control device for controlling the fuel gas nozzle of the cigarette lighter, a firing device for producing sparks, a mount detachably mounted on the holder at the top to hold the firing device and the fuel gas control device, wherein the fuel gas control device includes a torch nozzle connected to the fuel gas nozzle of the cigarette lighter by a nozzle tube and a connecting tube assembly, a slide switch, a pressure rod driven by the slide switch to press the push button of the cigarette lighter in opening the fuel gas nozzle.

Abstract: An improved spark ignition switch and gas valve assembly is provided. A gas valve includes a manually rotatable stem for controlling gas flow rates through the valve. A spark ignition switch includes a first stationary electrical contact; a second electrical contact including an arm for moving the second electrical contact into and out of engagement with the first stationary electrical contact; and a rotor rotatable by the valve stem. The rotor includes a cam moving the arm for moving the electrical contacts into engagement for a predetermined range of rotation of the valve stem and for moving the electrical contacts out of engagement with rotation of the valve stem past the predetermined range. A detent mechanism is operatively arranged with the rotor for providing tactile feedback to a user. The detent mechanism is arranged for engagement at a predefined rotational angle within the predetermined range of rotation of the valve stem.

Abstract: A safety control switch including a push button ignition switch, which consists of a slide, a push button, a compression spring, a brake block, and a contact metal spring plate, for controlling gas flow and igniter in a gas-fired ignition gun, and a locking device mounted on the housing of the gas-fired ignition gun and moved relative to the brake block of the push button ignition switch between a first position to stop the push button and the slide from operation and a second position to let the push button and the slide be operated.

Abstract: A push button type ignition switch for controlling the operation of an electronic igniter operated flame ignition type ignition gun, whereby the electronic igniter of the ignition gun is turned on to produce sparks as the button of the switch is depressed; a flow of gas is ejected from a gas tank for making a flame by the sparks as the base of the switch is moved forward after the button of the switch depressed; the base of the switch is stopped by a stop plate to close the gas tank as the button of the switch is released.

Abstract: A gas range includes a burner, a burner control unit, a piezoelectric igniter and a safety valve. The safety valve is situated between a gas supply and the burner. A thermocouple is situated near the burner. The piezoelectric igniter is used to ignite gas which vents out of the burner. As a flame occurs at the burner, a temperature at the burner will ascend. The thermocouple detects the increased temperature and generates a current to open the safety valve. If the flame goes out, the temperature will descend to the predetermined value. The thermocouple detects the decreased temperature and stops generating any current to actuate the safety valve. Thus, the safety valve is closed so as to keep any gas from venting out of the burner.

Abstract: In a sparkplug voltage detecting probe device for use in internal combustion engine comprising, a sensor is provided to form a static capacity between the sensor and an ignition coil which is connected to a spark plug. A sparkplug voltage divider circuit has a capacitor connected between the sensor and the ground. A release circuit has a resistor connected in parallel with the capacitor so as to provide a time constant of a RC path. A short circuit is provided to instantaneously release an electrical charge from the capacitor either immediately before establishing a spark voltage for the spark plug or immediately after initiating the spark action of the spark plug. A sparkplug voltage waveform detecting circuit detects a sparkplug voltage waveform divided by the sparkplug voltage divider circuit.

Abstract: A child resistant cigarette lighter is disclosed of the type employing a liquid reservoir of ignitable fluid, a friction wheel and flint for providing a spark and a user controlled valve for beginning and ending the flow of gaseous fuel to be ignited by the spark. The child resistant features include the location of the user controlled valve operator at a point on the reservoir body which is difficult if not impossible for a child to simultaneously operate the valve operator and the thumb wheel with a single hand.

Abstract: A one hand coating stripping device and a method of stripping coating in which operator required control of the angle of flame impingement, flame intensity, speed of movement and removal of stripped material is reduced to the single operator mandated parameter of control of speed of movement of a stripping device which automatically orients the center line of the flame at the most effective angle of impingement and the scraper blade at the optimum angle of attack following a single adjustment of a gas-air mixture compatible with the fixed and constant angles of impingement and attack, the stripping action being carried out by the use of only one hand of an operator.

Abstract: A safety apparatus of a piezoelectric lighter includes a pressure absorbing device disposed in a cap cavity of a casing of the piezoelectric lighter, a holding means integrally affixed to an interior surface of a thumb-push cap for rigidly holding one end of the pressure absorbing device in position, and a receiving means provided in the cap cavity for receiving and supporting another end of the pressure absorbing device in position. Therefore the pressure absorbing device is vertically held between the thumb-push cap and the ceiling of the casing for urging the thumb-push cap at an upper normal position thereof and providing an additional press resistance to the thumb-push cap, so as to resist a downwardly press force applied by an under age child on the thumb-push cap while an adult is capable of pushing down the thumb-push cap easily.