Internal combustion engine starting system
AssigneePeugeot Citroen Automobiles SA
InventorsEric Condemine, Vincent Basso
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Abstract
The invention relates to a starting system (1) for an internal combustion engine comprising pressurized fuel supply means (3), an accumulator means (2), which is supplied with pressurized fuel by said supply means, and at least one injection means (4) which is supplied with fuel by the accumulator means (2). According to the invention, the system also comprises a device for storing pressurized fuel (5), which is supplied due to the pressure in the accumulator means. At start-up, the aforementioned fuel storage device can supply the stored fuel in such a way as to provide a second fuel compression means which enables the engine to start up more rapidly. The invention is particularly suitable for use in the area of common-rail engines.
Claims18
Starting system for internal combustion engine comprising pressurized fuel supply means, accumulator means supplied with pressurized fuel by said supply means, and at least one injection means supplied with fuel by the accumulator means, a pressurized fuel storage device supplied thanks to the pressure existing in said accumulator means and adapted to supply said stored fuel at start-up, the storage device, in direct communication with said accumulator means, comprising at least one storage means and control means,
- wherein said control means comprise electromagnetic opening means, elastic closing means, and an actuator means controlled selectively by said electromagnetic means and said elastic means so as to limit the energy to be supplied to control said starting system to make it possible for said engine to start up more rapidly,
- and wherein the elastic means authorizes passage of the fuel into the storage means when the pressure reaches a minimum threshold in the accumulator means.
Dependencies are inferred from the claim text.