Runnerless engine intake manifold having integral fuel...

Details Runnerless engine intake manifold having integral fuel... Runnerless engine intake manifold having integral fuel...

2005-01-11

2005-01-11

Lo, Weilun (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

C123S468000, C123S184210, C123S184420, C123S184610

Reexamination Certificate

active

06840221

ABSTRACT:
In one embodiment, a cylinder head (10) and a runnerless intake manifold (12) are assembled together and cooperatively define an air manifold (14) and a fuel manifold (16) for supplying air and fuel respectively to engine cylinders in an engine block to which cylinder head (10) is fastened. In another embodiment, the air manifold is the same, but the fuel manifold (66) is defined by a bore (68) and holes (70) in the intake manifold (60).

REFERENCES:
patent: 5062405 (1991-11-01), Daly
patent: 5333581 (1994-08-01), Cagle
patent: 5682859 (1997-11-01), Wakeman
patent: 6167855 (2001-01-01), Mammarella et al.
patent: 6308686 (2001-10-01), Mammarella et al.
patent: 6742489 (2004-06-01), Vichinsky
patent: 6758191 (2004-07-01), Vanderveen et al.
patent: 20020083924 (2002-07-01), Murphy

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