F - Mech Eng,Light,Heat,Weapons – 02 – M
Patent
F - Mech Eng,Light,Heat,Weapons
02
M
F02M 21/02 (2006.01) F02M 51/00 (2006.01) F02M 51/06 (2006.01)
Patent
CA 2495634
In a gas-supply system for internal-combustion engines, a pressure-reducing valve (7) is set between the reservoir (3) of the gas and a distribution manifold or rail (2) that feeds the gas to a series of electromagnetically controlled injectors (1) associated to the various cylinders of the engine. The pressure-reducing valve (7) has a piston member (220), which is mobile inside the valve body (10), for controlling said open/close element (210), and has one end facing a first chamber within said valve body, set in the path of connection of the inlet connector with the outlet connector, and the opposite end facing a second chamber within said valve body. The aforesaid second chamber is connected to the intake manifold of the internal-combustion engine so as to enable any flow of gas that has leaked from said first chamber to said second chamber to be discharged in the engine. Set in connection with the intake manifold is a solenoid shutoff valve, preferably incorporated in the pressure-reducing valve, which is opened automatically upon ignition of the engine.
Amorese Claudio
de Matthaeis Sisto Luigi
Manodoro Dario
Ricco Mario
Ricco Raffaele
C.r.f. Societa Consortile Per Azioni
Macrae & Co.
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