Self injection system

Details Self injection system Self injection system

1996-03-11

1998-09-15

Miller, Carl S.

Internal-combustion engines

Poppet valve operating mechanism

Hydraulic system

123508, F02M 3704, F01L 902

Patent

active

058064745

ABSTRACT:
A fuel injection system for an engine having a combustion chamber, the injection system having at least one fuel injector with a hydraulically operated actuator for amplifying the pressure of fuel injected from the injector into the combustion chamber, the hydraulic actuator communicating with a hydraulic pulse pump having a slide piston displaced by the pressure of compression and combustion gases within the combustion chamber, the fuel pressure having an amplified pressure profile paralleling the developed pressure profile of gases compressed and combusted in the combustion chamber, and in an alternate embodiment the pulse pump delivers high pressure hydraulic fluid to a common rail for use by multiple injectors and including a further embodiment where the high pressure fluid in the common rail is used as the motive fluid for actuating the engine combustion chamber valves.

REFERENCES:
patent: 4098560 (1978-07-01), O'Neill
patent: 4476823 (1984-10-01), Williams
patent: 4599983 (1986-07-01), Omachi
patent: 5067467 (1991-11-01), Hill
patent: 5125371 (1992-06-01), Erickson
patent: 5181494 (1993-01-01), Ausman
patent: 5237968 (1993-08-01), Miller
patent: 5237996 (1993-08-01), Lawrence
patent: 5325824 (1994-07-01), Ballheimer
patent: 5445129 (1995-08-01), Barnes
patent: 5462028 (1995-10-01), Buckley
patent: 5463996 (1995-11-01), Maley
patent: 5586526 (1996-12-01), Linquist

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