发明名称 |
Gas feeding system for an internal combustion engine, having a pressure reducing valve controlled by a pilot pressure |
摘要 |
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) brings about a pressure drop which depends upon a pilot-pressure signal that is sent thereto by a pilot solenoid valve (83). The electrical supply to the solenoid (99) of said pilot solenoid valve is controlled by an electronic control unit (C) according to the signal issued by a sensor (8) of the pressure in the rail (2) for the purpose of regulating the pressure in the rail (2) at a desired level, according to the operating conditions of the engine. <IMAGE> |
申请公布号 |
EP1593833(A1) |
申请公布日期 |
2005.11.09 |
申请号 |
EP20040425311 |
申请日期 |
2004.05.03 |
申请人 |
C.R.F. SOCIETA CONSORTILE PER AZIONI |
发明人 |
RICCO, MARIO;DE MATTHAEIS, SISTO LUIGI;AMORESE, CLAUDIO;MANODORO, DARIO;RICCO, RAFFAELE |
分类号 |
F02D19/02;F02M21/02;F02M37/04;F02M51/00;F02M51/06;G05D16/20 |
主分类号 |
F02D19/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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