118results about "Ignition sparking plugs" patented technology

To provide a sealing system for sealing two components, which enables pressure relief in a region between the two components, a valve arrangement (100) is proposed, comprising a first component (11) with a cylindrical section (17) and a second component (12) with a cylindrical receiving chamber (18) in which the first component (11) is arranged, and comprising at least one valve element (10) which is arranged along a circumference of the first component (11) and seals a first region (14) and a second region (15) of the receiving chamber (18) from each other in a sealing position of the valve element (10), wherein the valve element (10) has a sealing element (13) which is elastically designed such that when a predetermined pressure in the first region (14) is exceeded, the sealing element (13) is moved into an opening position in which the first region (14) is open towards the second region (15).

Invention relates to a fuel ignitor (10) for gaseous fuel comprising a body assembly (12) having a longitudinal axis (A), and a first axial end and a second axial end. The ignitor body assembly (12) comprises a. a prechamber (20) arranged at the first axial end and having a tip, and more than two jet openings (22) arranged to the tip of prechamber (20) at the first axial end, b. a fuel inlet (26) arranged to open into the prechamber (20), c. first cavity (28) arranged to extend from the second axial end of the body assembly (12) to proximity to the prechamber (20), wherein a solenoid actuated gas admission valve unit (29) is arranged in the first cavity (28), d. second cavity arranged to extend from the second axial end of the body assembly (12) to the prechamber (20), wherein an ignition device (31) is arranged in the second cavity in cooperation with the prechamber (20) so as to initiate combustion of fuel in the prechamber (20), when in use, e. cooling channels (32) arranged at the first axial end of the ignitor body assembly (12) arranged in heat transfer connection with the prechamber (20). Invention relates also to a cylinder head - fuel ignitor combination, a gas operated internal combustion engine and method of converting an existing internal combustion piston engine.

An ignition coil assembly with internal diagnostic features that can be used to monitor and evaluate different aspects of an ignition system and provide continuous feedback. The ignition coil assembly may be a coil-on-plug type device that converts low-voltage battery power into high-voltage ignition pulses, and may include several input terminals, an ignition coil with primary and secondary windings, ignition circuitry, an output terminal, a spark plug connector, and a housing. The ignition circuitry includes an ignition operational circuit and an ignition diagnostic circuit, which in turn has a charging evaluation circuit for monitoring a charging phase, a discharging evaluation circuit for monitoring a discharging phase, and a feedback integration circuit for combining outputs into a multiplexed digital signal that can then be sent to an engine control unit (ECU) or the like over a single output terminal.

The utility model belongs to the technical field of motorcycle parts, and discloses a mechanical motorcycle flameout switch structure which comprises a shell, a fixing presser foot is arranged on the inner wall of the bottom end of the shell through a positioning bolt, a wire welding plate is arranged on the outer wall of the fixing presser foot, a fixing block is arranged on the outer wall of the wire welding plate through a reinforcing bolt, and the fixing block is arranged on the outer wall of the fixing presser foot. A gasket is in contact with the outer wall of the reinforcing bolt, a flameout button is rotationally connected to the outer wall of the fixing block, a locking mechanism is arranged on the inner wall of the flameout button, a guide telescopic rod is fixedly connected to the inner wall of the flameout button, and a positioning ball is elastically connected to the inner wall of the flameout button through a reset spring A. Through the arrangement of the flameout button, the operation of speed reduction, braking and flameout can be rapidly completed, and under the arrangement of the locking mechanism, the problem of starting and stopping of the flameout switch caused by mistaken touch can be effectively avoided, and the problem of accidents caused by mistaken touch in the driving process is avoided.

A spark plug (38) includes: a spark plug housing (40); a cathode (62) including at least one electrode fork (64) and formed primarily of iridium; and an anode (72) formed at least predominantly of iron or steel. The material composition of the cathode and anode provides extended spark plug service life, especially in high power density applications employing pre-chamber spark plugs. Related methods are also disclosed.

A gasket (20) configured to be positioned between a spark plug and a cylinder head of an internal combustion engine when a threaded section of the spark plug is screwed to the cylinder head. The gasket includes an annular body (23) and projections (25). The annular body is arranged around a threaded relief section of the spark plug where no threads are formed near the threaded section. Each of the projections extends radially inward from the annular body.The annular body, the thread relief section and the threaded section are shaped such that they satisfy a relationship of φb mm ≤ φa mm ≤ φc mm - 0.9 mm, where φa is an inner diameter of a circle (S1) defined to extend along the inner surfaces of the projecting ends (26a) of the inclined sections and centered on an annular center point (Cp) of the annular body, φb is the outer diameter of the thread relief section and φc is the nominal thread diameter of the threaded section.

An ignition system (10) including an injection member (20) configured to deliver fuel to an ignition zone (140) within a combustion chamber, an ignition element (40) configured to ignite fuel within the ignition zone, and a control unit (60) configured to operate the injection member and the ignition element in a first ignition phase including ignition of a first delivery of fuel provided to the combustion chamber by the injection member and a second ignition phase including ignition of a second delivery of fuel provided to the combustion chamber by the injection member.

An ignition coil includes a joint part that is formed of a tubular elastic body. The join part has a distal end mounted to an ignition plug arranged in a plug hole having a bend, and a proximal end mounted to a coil main body part arranged at a proximal-side entrance part of the plug hole which has a greater inner diameter than the bend. On an outer circumferential surface of a main tubular portion opposed to the bend, there are formed first ribs each extending along an axis of the joint part. On an outer circumferential surface of a proximal-side tubular portion, there are formed second ribs each extending along the axis of the joint part. When viewed along the axis of the joint part, a maximum value of a first rib diameter and a maximum value of a second rib diameter satisfy the relationship of d2 > d1.

An engine ignition system, an ignition method, an engine, a vehicle and a transport, relating to the technical field of vehicle parts. The ignition system comprises: an ignition member, the ignition member being suitable to be mounted in a combustion chamber of an engine; and a heating device, the heating device being connected to the ignition member and used for heating the ignition member to a set temperature, so that fuel sprayed into the combustion chamber is heated and combusted, the set temperature being greater than or equal to the auto-ignition temperature of the fuel in the combustion chamber.

Arrangement of a spark plug (8) in a spark plug sleeve (6) made of a metallic material, the sleeve having a cylindrical receptacle (15) extending eccentrically to its outer mounting section for receiving an insulator body (7) of the spark plug (8), resulting in a wall section (17) of the spark plug sleeve (6) with a greater wall thickness, wherein a ground electrode (34) extending from the end face of the spark plug sleeve (6) is provided at a reduced-diameter end of the receptacle (15) and this ground electrode interacts with a central electrode (31) projecting axially beyond the insulator body (7) to generate a spark gap, wherein a fuel channel (14) extends within the wall section (17) with a greater wall thickness, the outlet of which is provided in the spark plug sleeve (6) adjacent to the spark gap, and wherein a check valve (22) is associated with the fuel channel (14), characterized in thatthat the check valve (22) is inserted into the fuel channel (14) from the outlet side and that a magnetically controlled metering valve is integrated into the spark plug sleeve (6) in conjunction with the check valve (22).

Spark plug for spark-ignition engine Spark plug (4) for spark-ignition engine (2) comprising an electrically insulating body (41), a base (42) delimiting a passive ignition pre-chamber (43), the spark plug (4) further comprising at least one orifice (45) arranged in the base (42) and at least one channel (46) configured to allow the circulation of a flow of drain air (FV) through at least part of the spark plug (4) and at least one means for regulation (47) of the flow of drain air (FV) arranged at the level of the at least one orifice (45) and capable to passively control the circulation of said flow.

An internal combustion engine comprising: at least one cylinder, in which a combustion chamber is formed, the combustion chamber being defined by a side wall of the cylinder, a combustion chamber roof 20 formed by a cylinder head of the cylinder, and a piston movable within the cylinder; and a spark plug having a longitudinal axis, the spark plug having a housing including an end face facing the combustion chamber, an insulator arranged in the housing, a central electrode arranged on the insulator, and at least one ground electrode arranged on the housing and forming at least one ignition gap together with the central electrode, wherein the spark plug is assembled in a hole formed in the cylinder head and is configured to ignite a fuel-air mixture present in the combustion chamber, the ignition gap of the spark plug being arranged outside the combustion chamber.

An ignition system including an injection member configured to deliver fuel to an ignition zone within a combustion chamber, an ignition element configured to ignite fuel within the ignition zone, and a control unit configured to operate the injection member and the ignition element in a first ignition phase including ignition of a first delivery of fuel provided to the combustion chamber by the injection member and a second ignition phase including ignition of a second delivery of fuel provided to the combustion chamber by the injection member.

A prechamber device for facilitating a combustion reaction within a combustion chamber of an internal combustion spark-ignition gasoline engine includes a prechamber body, first and second electrodes, an insulation, first and second electrode terminals, a spark plug, and a prechamber head. The prechamber body includes orifices and at least partially contains the combustion reaction. The insulation insulates the first electrode and the second electrode from the prechamber body. The first electrode terminal receives a first amount of power and the second electrode terminal receives a second amount of power from an energy storage device. The first and second electrode terminals deliver the power to the first electrode and the second electrode that generate the electric field. The spark plug generates an ignition arc to initiate the combustion reaction. The prechamber head retains a position of the spark plug and closes off a first end of the prechamber body.

The present invention pertains to a spark plug for an internal combustion engine, comprising a metal outer shell (10) extending in a longitudinal direction (A) from a proximal end (12) to a distal tip end (14) configured to be oriented towards a combustion chamber (34), said outer shell (10) comprising a fixation portion (16) for attachment of the spark plug (1) to a metal sleeve (22) of the internal combustion engine and arranged at a region proximal of the tip end (14), wherein the outer shell (10) furthermore comprises a first contact surface (18) arranged at a region distal of the fixation portion (16) and configured to contact a distal end (24) of the sleeve (22), when the spark plug (1) is attached to the sleeve (22).

A gas engine (1) includes: a frame (2) including a crankcase (21) accommodating a crankshaft (22); a cylinder (3) projecting from the frame (2); and a cylinder head (4) attached to the cylinder (3) and including an intake path (41) and an exhaust path (42). The gas engine (1) further includes: a fuel gas valve (51) that controls injection of a fuel gas into intake air, the fuel gas valve (51) being mounted to an intake pipe (13) connected to the cylinder head (4) or mounted to the cylinder head(4); a separation cover (8) defining a separation chamber (80) between the frame (2) and the separation cover (8), the separation chamber (80) accommodating the cylinder (3), the cylinder head (4), and the fuel gas valve (51); and a ventilation fan that sucks air present in the separation chamber (80).

Systems and methods for spark ignition in a combustion engine are provided. The spark ignition system includes a terminal, a magnetic body, an insulating body, and a grounding body. The spark ignition system further includes a center electrode electrically connected to the terminal and protruding into a combustion chamber. The grounding body includes a body section and an inclined section. The spark ignition engine includes a combustion chamber and a spark ignition system. The method includes applying a voltage to a spark ignition system, thereby generating a spark.

The present invention provides a spark plug spark gap adjustment device for a spark plug having a skirt-type outer electrode, which has a relatively simple configuration and can securely hold and fix the spark plug while accurately adjusting multiple adjustment points one by one. [Solution] The device comprises a fixed base and a gap adjustment part coupled to the upper part of the fixed base so as to be circumferentially rotatable, wherein the fixed base has a grounding part, a spark plug mounting part arranged cylindrically above the grounding part and having a spark plug installed inside, and a plurality of fixing screws that press the spark plug installed inside through a through hole in the spark plug mounting part, and the gap adjustment part has an adjustment screw that presses the gap adjustment portion of the spark plug installed inside through a through hole in the gap adjustment part.

Spark plug for igniting a combustible fuel in an internal combustion engine, comprising: - an ignition means (2) arranged at an end of the spark plug (1) facing the combustion chamber, when the spark plug (1) is mounted in the internal combustion engine, - a wall (3), which at least partially surrounds the ignition means (2), and - a sealing area (4), which is used for sealing the combustion chamber against the environment, wherein the wall (3) comprises the sealing area (4) located at an end of the wall (3), which end faces the combustion chamber when the spark plug (1) is mounted in the internal combustion engine.

A simple engine, comprises (1) a cylinder and a spark plug in the cylinder; (2) a carburetor, fluidly connected to the cylinder; (3) a primary air intake path, fluidly connecting atmosphere to the carburetor; (4) a carburetor bypass air intake path, fluidly connecting air to the cylinder without passing through the carburetor; and (5) a valve, along the carburetor bypass air intake path, for controlling the flow of air through the carburetor bypass air intake path.

The friction insert for an orientation valve (60) is intended for a valve-controlled ignition pre-chamber (1) and comprises an outer valve body guide cylindrical bearing surface (64) arranged on the periphery of the valve with guide pin (50) and sliding with a small clearance into a first valve body guide means (63), the insert (60) also comprising an outer pin guide cylindrical bearing surface (66) arranged on the outer periphery of the orientation pin (15) and sliding with a small clearance into a second orientation pin guide means (65), the two means (63, 65) being wear-resistant and fixedly attached to a non-magnetic pre-chamber tip (62) which guides and orients the valve with guide pin (50).

A linear electromechanical system comprising: a stator comprising at least a first stator electronic circuit and a second stator electronic circuit or circuit set; a free piston mover movable in a reciprocating manner relative to the stator. The free piston comprising: a piston surface; a transducer configured such that an electromagnetic force is applicable on the free piston mover by one or more of the stator electronic circuits or one or more of the circuit set; and one or more transducer electronic circuits. The system further comprising a switching device for each of the first stator electronic circuit and the second stator electronic circuit or each of the circuit set, such that the current in each of the first stator electronic circuit and the second stator electronic circuit or each of the circuit set is independently controllable, and wherein at least one of the transducer electronic circuits is configured to receive power from at least one of the independently controllable stator electronic circuits or at least one of the circuit set during at least part of a stroke of the free piston mover.

The invention discloses a pre-pressing type two-stroke star-shaped engine, relates to the technical field of engines, and solves the problems that an existing two-stroke engine cannot be in star-shaped layout, and air supply is unstable due to the fact that multiple cylinders share a crankcase. The engine comprises a crankcase, a plurality of cylinders distributed in a star shape, a crankshaft, a piston, a connecting rod, a reciprocating compressor, a carburetor, a one-way valve and the like. When the crankshaft drives the piston to reciprocate, the reciprocating compressor is driven to operate, mixed gas prepared by the carburetor and the one-way valve is compressed by the compressor and then is fed into the crankcase, and the multiple air cylinders are fed into the crankcase through the air inlet holes and the air inlet channels, compressed, ignited and acted by the sparking plug and exhausted through the exhaust holes, and are circulated in sequence. The engine achieves two-stroke star-shaped layout, the number of the air cylinders is not limited by odd and even, the power-to-weight ratio is high, the structure is compact, air supply is stable, and the engine is suitable for scenes with high requirements for the power-to-weight ratio and the structure compactness of the engine.

Engine ignition coil assembly, comprising: an ignition coil housing (50) containing an ignition coil device (52) and an electrical connector (54) for the ignition coil device (52) mounted on the ignition coil housing (50); an elastomer sleeve (28) that supports the ignition coil housing (50); a single fastening element (74) extending through a fastening opening (86) in the ignition coil housing (50) parallel to the elastomer sleeve (28); and an elastomeric insulator (76) arranged on the ignition coil housing (50) at the mounting opening (86) around the single mounting element (74); wherein the elastomeric sleeve (28) and the elastomeric insulator are designed to isolate the ignition coil housing (50) from vibrations, wherein the elastomeric insulator (76) is arranged between a union nut (311) and ignition coil housing (50).

An ignition device for a straddle-type vehicle in which a fuel tank is supported on an upper side of a pair of left and right tank rails of a vehicle body frame and in which an engine is supported on a lower side of the pair of left and right tank rails. The ignition device includes an ignition plug provided in the engine and configured to ignite an air-fuel mixture, an ignition coil configured to apply an ignition voltage to the ignition plug, and a plug cord configured to connect the ignition plug and the ignition coil. The ignition coil is located below the pair of left and right tank rails and located on a lateral side of a cylinder head cover of the engine, in a top view.