JP2013092153A5

JP2013092153A5 -

Info

Publication number: JP2013092153A5
Application number: JP2013000241A
Authority: JP
Filing date: 2013-01-04
Publication date: 2013-12-12
Anticipated expiration: 2030-10-27

Claims

An injector for introducing and igniting fuel at the interface with the combustion chamber,
An injector body, a base portion configured to contain fuel in the injector body, and the base portion facing the base portion and disposed in the vicinity of the combustion chamber so as to inject the fuel into the combustion chamber and it is optionally that the nozzle unit and the injector body including,
A fuel passage that Mashimasu extending through the injector body,
And extending Mashimasu that ignition rod and the front Kimoto portion to the nozzle portion,
This is arranged coaxially over the ignition rod, an ignition insulator that Mashimasu extending to at least in part on the nozzle portion from the base portion,
A valve that is coaxially arranged over the ignition insulator and is operable between an open position and a closed position ;
An injector characterized by comprising.

Further comprising a valve actuation assembly supported by the base, the valve actuation assembly comprising:
Surrounding at least a portion of the valve, a driver Ru movable der between a first position and a second position, if the driver is in the first position, the said valve the closing A driver that is held in position and engages and moves the valve to the open position when the driver moves to the second position;
A force generator adapted to actuate the driver to move between the first position and the second position;
Injector according to claim 1, characterized in that comprising a controller adapted to selectively activate the force generator.

Further comprising a fuel inlet, the fuel inlet, fuel so as to introduce into the force generator a via in said base, according to claim 2, characterized in that it is fluidly connected to the force generator Injector.

The valve includes a sealing end the flow of fuel is formed so as to stop when the valve is in the closed position, a first end for chromatic opposed to, and stop in the closed end portion hints, the driver, the injector of claim 2 the driver may move between said first position and the second position, characterized that you contact with the stop.

The injector according to claim 4 , wherein the driver moves a predetermined distance before contact with the stop portion.

Further comprise one or more optical fibers that Mashimasu extending through said ignition rod, the one or more optical fibers, said to transmit combustion chamber information from the combustion chamber to the operably linked controller to the injector injector according to claim 1 is optionally characterized by Rukoto.

The injector according to claim 1, further comprising a temperature sensor that is disposed in the nozzle portion and detects a temperature in the combustion chamber.

Said ignition rod includes one or more ignition function portion disposed in the nozzle portion, the one or more ignition function unit generates the ignition event for igniting the fuel exiting et whether the nozzle unit injector according to claim 1, characterized that you have become so.

The injector according to claim 8 , wherein the one or more ignition function units are spirally wound around at least a part of the ignition rod.

The valve includes a closed end disposed in the nozzle portion adjacent to the interface with the combustion chamber, the closed end configured to stop fuel flow when the valve is in the closed position. injector according to claim 1, characterized in Tei Rukoto formed on.

Which further includes a controller,
Selectively controlling movement of the valve relative to the ignition insulator;
Injector according to claim 1, characterized in that the step of selectively controlling the generated ignition event by the ignition rod.

The valve has a first length, the ignition insulator has a second length that is longer than the first length, and the ignition rod has a third length that is longer than the second length. The injector of claim 1, having a length of

The injector according to claim 1, wherein the valve is a valve that opens in an outward direction, and moves toward the combustion chamber when the valve moves from the closed position to the open position. .

It said valve is a valve which opens inwardly, according to claim 1, wherein the valve is moved to the separation direction from the combustion chamber when moved to the open position from the closed position Injector.

Further comprising a main body insulator that Mashimasu extending through at least a portion of the body, according to claim 1 wherein the fuel passage, characterized by extending Mashimasu Rukoto between the main insulation and the valve through the main body The injector as described in.

An injector for introducing fuel into the combustion chamber,
Have a first end facing the second end, a body and the second end is adapted to be positioned adjacent to the interface of the combustion chamber,
Extending to the second end from the first end through the body, an ignition conductor that have adapted to generate a point fire events feed Den ignition energy,
Extending longitudinally along the point fire conductors of this, the insulation body surrounding at least a portion of said ignition conductors,
A valve that Mashimasu extending longitudinally along at least a portion of the insulator between the pre-Symbol said second end and the first end, and an open position along the front Symbol insulator a valve surrounding at least a portion of the insulator I movably der between a closed position
An injector characterized by comprising.

The ignition conductor includes an extended end having a valve seat and disposed adjacent to the interface of the combustion chamber;
The valve includes a sealed end that is spaced from the valve seat when the valve is in the open position, and the sealed end contacts the valve seat when the valve is in the closed position. The injector according to claim 16.

The closed end portion of the valve comprises an enlarged end portion of the valve, the enlarged end portion of the valve has a first diameter, the first diameter is greater than the second diameter of the valve The injector according to claim 17 , wherein the injector is characterized.

Further comprising one or more ignition functions disposed adjacent to the interface of the combustion chamber and supported by the ignition conductor, the one or more ignition functions beyond the sealed end of the valve. injector according to claim 1 7, characterized that you have adapted to generate a spark event for igniting the fuel passing therethrough.

The insulator is a first insulator, and the injector is
Extending longitudinally along the front Stories body, and a second insulator disposed radially spaced from said valve,
Claim 1 to 6, characterized in that the second insulator and further comprising an annular fuel passage that Mashimasu extending from said first end to said second end between said valve The injector as described in.

Injector according to claim 1 6, characterized in that further comprising a fuel passage disposed coaxially surrounds the front Kiben.

And wherein the pre-Symbol further comprising one or more optical sensors combustion chamber information that have adapted to detect and transmit from said combustion chamber extending into the second end portion from a first end The injector according to claim 16 .

The one or more optical sensors, injector of claim 2 2, characterized that you have a longitudinally extending through said ignition conductors.

Said valve further comprises a base portion, the injector
A movable der Ru actuator between a first position and a second position disposed in said first end portion, and the actuator to the second position from the first position When moved, the actuator contacts the base of the valve, and the actuator moves the valve from the closed position toward the open position;
Disposed in said first end adjacent to the actuator, further a force generator that are adapted to move between the first position and the second position by activating the actuator The injector according to claim 16 , comprising: an injector.