85results about "Electric ignition installation" patented technology

An ignition system (100) for a combustion engine (110), includes a combustor (80), (180) having an igniter (77), (177) configured to receive a series of electrical current pulses (116), and, responsive to each electrical pulse (116), to generate a spark (179). A sensor (120) is configured to detect each electrical pulse (116) to provide a signal (121a) indicative of the electrical pulse (116) to a controller (113). The controller (113) is configured to determine, prior to an injection of a fuel (F) into the combustor (80), (180), a spark rate of the igniter (77), (177), determine whether the spark rate satisfies a spark rate threshold (145a), and in response to a determination that the spark rate satisfies the spark rate threshold (145a), initiate an injection of the fuel (F) into the combustor (80), (180).

The utility model relates to the field of ignition coil production, in particular to an ignition coil open circuit test device which comprises a bottom plate. The upper end of the bottom plate is provided with a test module, the upper end of the test module is provided with mounting support plates in bilateral symmetry, the upper sides of the front ends of the mounting support plates are provided with mounting grooves, the mounting grooves are internally provided with the sliding frame, and the right end of the sliding frame is provided with a first motor; a first lead screw is rotationally connected into the sliding frame. The first motor drives the first lead screw to rotate, the sliding frame is used for limiting rotation of the movable base and driving the movable base and a connecting part to move, the electric push rod drives the connecting base and the fountain pen to move to complete marking of the ignition coil, the second motor drives the second lead screw to rotate, and rotation of the main sliding base is limited through the main movable frame. And the main sliding seat and the clamping module are driven to move to realize automatic plugging of the connecting line, so that marking and plugging operations are synchronously completed.

An ignition system for a combustion engine, includes a combustor having an igniter configured to receive a series of electrical current pulses, and, responsive to each electrical pulse, to generate a spark. A sensor is configured to detect each electrical pulse to provide a signal indicative of the electrical pulse to a controller. The controller is configured to determine, prior to an injection of a fuel into the combustor, a spark rate of the igniter, determine whether the spark rate satisfies a spark rate threshold, and in response to a determination that the spark rate satisfies the spark rate threshold, initiate an injection of the fuel into the combustor.

The invention discloses a zero-low-carbon fuel combustion device based on catalytic heat surface combustion supporting and a control method thereof, and relates to the technical field of aviation power equipment.The zero-low-carbon fuel combustion device based on catalytic heat surface combustion supporting comprises a glow plug suitable for being installed on the wall face of a combustion chamber of an engine and stretching into the combustion chamber of the engine; the protective cover is arranged on the radial outer side of the glow plug, a cavity is formed between the inner circumferential surface of the protective cover and the outer circumferential surface of the glow plug, catalyst layers are arranged on the inner circumferential surface of the protective cover and the outer circumferential surface of the glow plug, a first opening communicated with the cavity is formed in the protective cover, and the first opening comprises a plurality of sub through holes formed at intervals; a second opening is formed between the protective cover and the glow plug; and the injector is suitable for injecting fuel into the first opening. The zero-low-carbon fuel combustion device based on catalytic heat surface combustion supporting has the advantages of being capable of achieving the zero-low-carbon target conveniently, good in ignition performance, high in flame propagation performance, long in service life and the like.

The utility model relates to a multi-sparking plug ignition system, combustion chamber and gas engine, multi-sparking plug ignition system includes precombustion chamber and second sparking plug, precombustion chamber is provided in dome structure center, precombustion chamber is provided with first sparking plug, precombustion chamber is provided with a plurality of jet orifice at interval along the circumference, second sparking plug is provided with second sparking plug. At least one spray hole points to a high-frequency detonation area near an exhaust throat of an exhaust passage in the combustion chamber, the second spark plug and the pre-combustion chamber are arranged between the air inlet passage and the exhaust passage in a spaced mode, and the second spark plug is close to the edge of the dome structure. The high-speed jet jetted by the pre-combustion chamber in the multi-spark-plug ignition system enables flame to reach the edge of the combustion chamber as soon as possible, and the second spark plug can accelerate combustion in the nearby space, so that the multi-spark-plug ignition system can effectively improve the flame propagation speed, shorten the time for the flame to propagate to the edge of the combustion chamber and improve the combustion efficiency. Flame can reach the edge of a combustion chamber of an engine as soon as possible, and the aim of reducing the knocking tendency is achieved.

IGNITION PRE-CHAMBER WITH ORIENTED VALVE The ignition pre-chamber with an oriented valve (1) comprises a stratification conduit (7) which opens into a combustion chamber (3) via a non-magnetic pre-chamber nose (62) in which is fixedly mounted a friction insert for an oriented valve (60), a valve with a guide pin (50) formed of a main valve body (8) and an orientation pin (15) that can translate within said insert (60) while said valve (50) has an external circular peripheral valve body guide bearing (64) and an external circular peripheral pin guide bearing bearing (66) which cooperate respectively with an internal valve body guide cylinder (63) and an internal orientation pin guide cylinder (65) provided in the friction insert for an oriented valve (60). Figure for the abbreviation: Fig. 1

A device for monitoring a life condition of a spark igniter in a gas turbine ignition system. The device includes an evaluation circuit having circuit components that include a hold capacitor, a transistor, and an operational amplifier arranged to form a sample-and- hold circuit, wherein an igniter spark impulse signal is applied to an input node of the evaluation circuit causing the transistor to turn on and the hold capacitor to discharge for a duration of the igniter spark impulse signal, and wherein a discharged voltage at the hold capacitor is maintained and output by the operational amplifier, the discharged voltage representing the duration of the igniter spark impulse and indicating the life condition of the spark igniter.

Crankshaft angle detection device, which includes: an alternating current generator rotor (20) which is held by one end of a crankshaft (10) and is designed to rotate integrally with the crankshaft (10); a pulse generator ring (30) made of a metal plate, having an outer diameter (D2) larger than an outer diameter (D1) of the AC generator rotor (20), wherein the pulse generator ring (30) has an annular plate region (31) and a detected region (32) having a plurality of convex regions (32) formed on an outer circumference of the annular plate region (31), which form a predetermined void between themselves and an outer circumferential surface (22) of the AC generator rotor (20), being curved in the direction of the outer circumferential surface (22) of the AC generator rotor (20) in an axial direction of the crankshaft (10), and is configured to rotate integrally with the AC generator rotor (20), wherein the annular plate region (31) is attached to a side surface (21) of the AC generator rotor (20); and a magnetic sensor (40) which is formed on an outer circumference of the pulse generator ring (30) and is designed to detect the detected area (32).

The invention provides a spark plug abnormity judgment method and a parking heater, the spark plug abnormity judgment method is applied to the parking heater, the parking heater comprises a spark plug, and the method comprises the steps that current is provided for the spark plug to ignite when the parking heater is started, detecting a first resistance value of the spark plug; after the spark plug continuously works for a first duration, reducing the current, and detecting a second resistance value of the spark plug; and comparing the first resistance value with the second resistance value to determine whether the spark plug has abnormal ignition or not.

To provide a misfire detection device and a misfire detection method for an internal combustion engine capable of inexpensively and highly accurately detecting misfire by reducing effects of disturbance in misfire detection to the extent possible.SOLUTION: A misfire detection device detects presence / absence of misfire in an internal combustion engine (1) in which each of an intake stroke, a compression stroke, a combustion stroke and an exhaust stroke is performed in a cylinder (3) through rotation of a crank shaft (6), and includes: a crank position sensor (32) for detecting a crank angle signal (Sn) synchronized with a rotating angle of the crank shaft (6); and a control unit (31) that calculates a plurality of inter-signal times (Xn) that are reception intervals of respective crank angle signals (Sn) on the basis of the plurality of crank angle signals (Sn) detected by the crank position sensor (32). The control unit (31) detects presence / absence of misfire on the basis of each inter-signal time (Xn) in the combustion stroke.SELECTED DRAWING: Figure 4

A method for operating an internal combustion engine (10) with hydrogen as fuel is proposed, in which hydrogen is directly injected into the combustion chamber (13) of the internal combustion engine and the ignition of the air-hydrogen mixture in the combustion chamber (13) is effected by means of a prechamber spark plug (1). An operating state of the internal combustion engine (10) is identified in which there is a tendency towards pre-ignition. In the identified operating range, the internal combustion engine is operated with a time overlap of the opening of the air intake valve (2) and the exhaust gas exhaust valve (3) of the combustion chamber (13). Furthermore, a prechamber spark plug (1) with a prechamber cover (4) for igniting an air-hydrogen mixture introduced into the combustion chamber (13) of an internal combustion engine (10) is proposed, wherein the prechamber cover (4) has a flushing opening (6). The flushing opening (6) is configured to form an air flow in the prechamber cover (4) with the air intake valve (2) and the exhaust gas exhaust valve (3) of the combustion chamber being open at the same time.

A spark plug lead includes a connector made of electrically insulating material. The connector includes a lead hole, a spark plug hole defining a terminal pocket adjacent to one end of the lead hole, and a retaining device extending radially inward from a side wall of the lead hole, defining a radial wall of the terminal pocket. A terminal is positioned in the terminal pocket and configured to be connected to a spark plug when received in the spark plug hole. The radial wall of the retaining device is configured to engage with the terminal to prevent movement of the terminal. A lead is positioned in the lead hole and electrically connected to the terminal.

The utility model provides an engine ignition system test bench, which relates to the technical field of engine ignition systems and comprises a support, and a rotary driving device, a magneto, a whole vehicle line and at least one ignition controller used for converting low voltage into high voltage pulse which are sequentially connected are arranged on the support. The output end of the ignition controller is connected with a sparking plug, the support is further provided with a grounding electrode which is spaced from the output end of the sparking plug and right faces the output end of the sparking plug, and the magnetor, the ignition controller and the sparking plug are detachably connected with the support so that the magnetor to be tested, the ignition controller to be tested and the sparking plug to be tested can be replaced and installed when the ignition system breaks down. A test is carried out through a control variable method, a fault part can be quickly diagnosed according to a test result for maintenance, and the maintained part is tested again to quickly diagnose whether the part is well repaired or not. Through the two diagnosis modes, the fault maintenance efficiency of the ignition system is greatly improved.

The utility model provides a small general gasoline engine igniter which comprises a gasoline engine igniter, an electric wire and an igniter connecting channel, rectangular sliding grooves are formed in the left end and the right end of the gasoline engine igniter respectively, threaded grooves are formed in the close ends of the two rectangular sliding grooves respectively, and rotating sliding rods are connected into the two rectangular sliding grooves in a sliding mode respectively. By means of the design, the problems that in an original device, when an igniter for a gasoline engine is installed on the gasoline engine, the igniter can only be installed on connecting hinge plates of the matched types, the use range of the connecting hinge plates is reduced, and installation is not convenient are solved. The connecting hinge plate for the igniter of the gasoline engine is reasonable in structure and good in practicability, the igniter of the gasoline engine can be installed on the gasoline engines of different types by adjusting the position and the direction of the connecting hinge plate on the igniter of the gasoline engine, and therefore the use range of the connecting hinge plate is enlarged.

The present disclosure provides a spark plug wire for a vehicle ignition system. A spark plug wire includes an electrically insulating material shield. The shield includes: a wire hole; a spark plug bore defining a terminal pocket adjacent an end of the wire bore; and a retainer extending radially inward from a sidewall of the wire hole and defining a radial wall of the terminal pocket. A terminal is disposed in the terminal pocket and is configured to connect with a spark plug when received in the spark plug bore. The radial wall of the retainer is configured to engage with the terminal to inhibit movement of the terminal. A wire is disposed in the wire hole and electrically connected to the terminal.

A piston discharge structure for a plasma cloud excitation engine is provided. The piston discharge structure includes a movement electrode, a distributed multi-cavity combustion chamber, a fixed electrode, and a variable interval discharge region. The movement electrode is provided at a top portion of a piston and includes a first combination shape and a first movement electrode structure, the distributed multi-cavity combustion chamber is provided at the top portion of the piston, the fixed electrode is provided at a top portion of a cylinder block or a bottom portion of a cylinder head and including a second combination shape and a second structure, and the variable interval discharge region is defined by the movement electrode and the fixed electrode.

The utility model discloses an aero-engine which comprises a cylinder head, the cylinder head is connected with a spark plug, one end, located on the outer side of the cylinder head, of the spark plug is connected with a high-voltage damping wire shielding cap, the cylinder head is detachably connected with an auxiliary fixing piece, and the auxiliary fixing piece is connected with the high-voltage damping wire shielding cap in a hooking mode. According to the scheme, the problem that in the prior art, poor contact is prone to occurring between the spark plug and the high-voltage damping wire of an aero-engine is solved.

To provide an internal combustion engine control device and an internal combustion engine control method that can reduce misfires in lean combustion, and can restrain deterioration of an ignition device.SOLUTION: An internal combustion engine control device comprises a control unit for controlling an ignition device in an intake stroke out of a combustion cycle of an internal combustion engine to cause it to perform preliminary ignition different from main ignition for igniting an air-fuel mixture. The control unit determines ignition periods and frequencies of preliminary ignition signals to be outputted to the ignition device in accordance with a flow mode of the air-fuel mixture in a combustion chamber.SELECTED DRAWING: Figure 3

The utility model provides a high-temperature durability test device for an ignition coil, which relates to the technical field of automobile parts and comprises an insulating upper mounting plate, a high-temperature-resistant component and a high-temperature-resistant lower mounting plate, the high-temperature-resistant assembly is composed of a mounting column, a metal sleeve, a supporting rod, an upper discharge needle, a lower discharge needle mounting plate and a lower discharge needle, the outer surface of the metal sleeve is sleeved with the insulating upper mounting plate, and the mounting column is arranged at the top of the insulating upper mounting plate. According to the high-temperature durability test device for the ignition coil, through the arrangement of the high-temperature-resistant component, when the high-temperature-resistant component is used, the mounting column and the metal sleeve are designed on the test device, so that the mounting position of the ignition coil is fixed by the mounting column in the high-temperature durability test process of the ignition coil assembly; the metal sleeve enables the high-pressure connecting pipe on the ignition coil assembly to be closer to the actual working environment in the whole test process, and the accuracy of the test result is higher.

The utility model discloses an intelligent ignition coil testing device which comprises a rack, two supporting rods are arranged on the rear portion of the rack, a signal tester is fixed between the two supporting rods, a supporting plate is further arranged on the top of the rack, a clamping and positioning mechanism is installed on the supporting plate, and the clamping and positioning mechanism is arranged on the rack. The clamping and positioning mechanism comprises a linear displacement assembly and a lifting adjusting assembly, the linear displacement assembly comprises a moving plate capable of moving back and forth to be transferred between a feeding position and a detection position, the moving plate is provided with a positioning assembly, and the positioning assembly is used for positioning two to-be-tested ignition coils placed on the moving plate; the lifting adjusting assembly comprises a lifting plate, two probes which are in bilateral symmetry are installed on the lifting plate, through the integrated automation technology, automation of the test process is improved, the test efficiency is greatly improved, and high accuracy and consistency of test results are ensured.

The invention relates to a multi-point igniter which comprises a metal base, a center hole is formed in the middle of the base, and a plurality of ignition units are installed on the circumference coaxial with the center hole. Each ignition unit comprises a central electrode, an insulator and a side electrode fixed on a base, a discharge gap is formed between the central electrode and the side electrode, the base is mounted on an engine cylinder cover, and the lower part of the base is positioned in a combustion chamber. The invention further relates to a fuel injection and ignition integrated device which comprises the multi-point igniter and a fuel injector. The multiple ignition units are integrated on the base, the ignition units are arranged more compactly, multi-point ignition can be achieved when the ignition units are installed on an engine cylinder cover, the ignition range can be effectively expanded through multi-point ignition, and the combustion speed is increased; the side electrode is arranged on the fuel injection path, so that the problem that the side electrode blocks fuel is solved; the circumferential position of the base is limited, the optimal relative position between fuel mist beams and electric sparks can be ensured, and the fuel ignition effect is optimized.

The utility model discloses a spark frequency detection device for an ignition system. A power supply module is mounted in the rack; a groove with an opening located in the side wall of the rack is further formed in the rack, supports are sequentially installed on the side wall located at the bottom in the groove in the horizontal direction from left to right, fixing rollers capable of rotating are installed on the supports, an observable ignition experiment box is supported on the fixing rollers, and the observable ignition experiment box can be pushed / pulled in the horizontal direction so as to enter / exit the groove. A pluggable maintenance and repair circuit board is arranged at the top of the rack; a signal detection module, a frequency meter, a display screen and a detection switch are sequentially installed on the upper surface of the pluggable maintenance and repair circuit board from left to right. According to the utility model, the circuit board is convenient to detect and maintain, the protection mechanism is arranged for the ignition mechanism in the detection process, and the protection is convenient in the detection process.

The invention relates to an integrated electric starting mechanism, an electric starting chain saw and a gardening tool powered by a spark ignition type engine to at least solve the problem that an electric starting mechanism of an existing electric starting mechanism is complex in assembly, the integrated electric starting mechanism comprises a shell, a driving motor is arranged in the shell, the driving motor is provided with an output end, and the output end of the driving motor is connected with the spark ignition type engine. The shell is provided with a coupling mechanism which can be used for being matched with a flywheel assembly on a tool to be started, and the coupling mechanism is in fixed or transmission connection with the output end.

The object of the present invention is to provide a coil cooling device and an internal combustion engine system capable of cooling an ignition coil. [Solution] The coil cooling device according to the present invention comprises an intake path member that forms an intake path for supplying air to an internal combustion engine, an ignition coil electrically connected to a spark plug, and a case that houses the ignition coil. The coil cooling device has the structure of (A) or (B). (A) The case includes a heat sink, and the case is attached to the intake path member such that the heat sink faces the intake path through an opening provided in the intake path member. (B) The intake path member includes a heat sink facing the intake path, and the case is attached to the outer circumferential surface of the intake path member so as to be in contact with the heat sink.

The application discloses a kind of aero-engine ignition device health condition monitoring system, including engine ignition device and sampling circuit, signal acquisition circuit and health management system, the engine ignition device includes ignition power inverter circuit, power boost transformer, energy storage charging circuit, discharge control circuit and discharge output circuit connected in sequence, the energy storage charging circuit is connected to the sampling circuit, the signal acquisition circuit and ignition power inverter circuit, discharge output circuit, sampling circuit are connected respectively, and the health management system is connected with signal acquisition circuit.Based on the system, a kind of aero-engine ignition device health condition monitoring method is provided, by special engine ignition device, and the signals of three different positions in ignition device are collected and monitored, the signals of three different positions are monitored, and the health condition of engine ignition device is monitored as a whole.

To reduce an arc when power supply to a load is interrupted in response to a command.SOLUTION: A group of residences, enterprises, or other power consuming facilities are aggregated and commonly controlled so as to dynamically reduce a load at a sufficient rate and by a sufficient amount to participate in an energy market as a market participant. The participation includes participation as a peak load power generation plant. While an amount of reduction in power consumption for single facilities is typically very small, a sum of the reduced consumption for an aggregate of just a few thousand residences or enterprises may be on an order of several hundreds of kilowatts. A premises power controller may cooperate with an intelligent circuit breaker, which may include a dimmer. The premises power controller allows for dynamic management of individual loads at each facility.SELECTED DRAWING: Figure 1

A system and method for detecting failures in an aircraft ignition specifically a magneto. The system comprises at least one inductive pickup with a coil and lead that captures electromagnetic fields generated during engine operation. The coil generates an electrical signal in response to the captured electromagnetic field, which is transmitted through the lead to a signal processing system. The signal processing system includes a converter and / or interrogator with signal conditioning circuitry that amplifies and filters the signal to detect magneto degradation or failure. The system provides real-time feedback through indicator lights that change color based on operational status and audible alerts for failure conditions. The system supports multi-engine configurations with multiple independent inductive pickups and can transmit magneto status information to external aircraft monitoring systems for comprehensive health monitoring.

The spark plug of the hydrogen internal combustion engine comprises a shell, a water inlet channel, a water outlet channel and a heat dissipation cavity are formed in the shell, the water inlet channel and the water outlet channel are communicated through the heat dissipation cavity, the heat dissipation cavity is located at the head of the spark plug, and the water inlet channel and the water outlet channel are connected to a cooling flow channel of an engine. During use, cooling water flows into the shell through the water inlet channel, then enters the heat dissipation cavity to dissipate heat of the head of the spark plug, and finally is discharged through the water outlet channel. According to the spark plug of the hydrogen internal combustion engine, the water inlet channel, the water outlet channel and the heat dissipation cavity are formed in the spark plug, so that the head of the spark plug is cooled, the risk of abnormal combustion induced by local high temperature of the spark plug is reduced, and then the reliability of the hydrogen internal combustion engine is improved.

To interrupt power supply to a load at timing of zero-cross detection in response to a power interruption command.SOLUTION: A power controller is configured to be adaptable for a circuit breaker panel for supplying power to one or more loads. The power controller is further configured to dynamically manage important loads of the one or more loads that can be actuated by the power controller and are respectively controlled by a component operable from a smart phone via the power controller. The important loads need to be wired to a dedicated circuit breaker panel.SELECTED DRAWING: Figure 6A