Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1996-10-31
1998-07-28
Miller, Carl S.
Internal-combustion engines
Charge forming device
Fuel injection system
137510, F02M 3704
Patent
active
057850232
ABSTRACT:
A flow control unit for controlling liquid fuel pressure supplied to a supercharged internal combustion engine fuel injector or injectors, comprising housing structure having fuel inlet and outlet ports, and a first chamber through which fuel flows in flowing to and through the ports, and through a valving port in the chamber; the housing structure also defining a second chamber spaced from the first chamber; a diaphragm assembly extending between the chambers and movable relative thereto, the assembly including a first diaphragm having a first side exposed to the first chamber, and a second diaphragm having a first side exposed to the second chamber; structure for communicating engine manifold pressure to the second diaphragm, whereby a decrease in the manifold pressure results in a reduced liquid fuel pressure delivered to the injector or injectors; and a control structure associated with the assembly to allow adjustment of the effective cross sectional area of the second diaphragm.
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Haefliger William W.
Miller Carl S.
Paxton Products Inc.
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