Gas feeding system for an internal combustion engine, having...

Details Gas feeding system for an internal combustion engine, having... Gas feeding system for an internal combustion engine, having...

2006-09-05

2006-09-05

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Charge forming device

Gaseous fuel and air mixer

C123S527000

Reexamination Certificate

active

07100581

ABSTRACT:
In a gas-supply system for internal-combustion engines, a pressure-reducing valve is arranged between the reservoir of the gas and a distribution manifold or rail that feeds the gas to a series of electromagnetically controlled injectors associated to the various cylinders of the engine. The pressure-reducing valve has an internal chamber for collection of any leakage of gas which is connected to the intake manifold of the internal-combustion engine so as to enable the leaked gas to be discharged in the engine. A solenoid shutoff valve is arranged in the connection to the intake manifold and is opened automatically upon ignition of the engine.

REFERENCES:
patent: 2781752 (1957-02-01), Van Den Bussche
patent: 5755210 (1998-05-01), Sato et al.
patent: 5868121 (1999-02-01), Brown et al.
patent: 6578560 (2003-06-01), Ricco
patent: 2003/0168101 (2003-09-01), Sulatisky et al.
patent: 0 155 538 (1985-02-01), None
patent: 0 309 044 (1989-03-01), None
patent: WO 99/15784 (1999-04-01), None

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