Blow-by gas and purge gas treating device in intake valve...

Details Blow-by gas and purge gas treating device in intake valve... Blow-by gas and purge gas treating device in intake valve...

2007-10-16

2007-10-16

Moulis, Thomas (Department: 3747)

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

C123S573000, C123S516000, C123S090150

Reexamination Certificate

active

11364547

ABSTRACT:
In an intake valve lift variable engine including: an engine body; a cylinder head; an intake valve which is disposed in the cylinder head and which is controlled to be open and close so as to regulate the amount of intake air; and an intake system having no throttle valve and connected to the cylinder head, blow-by gas is sucked from a crank case of the engine body into a first pump and pressurizingly transferred by the first pump to the side of the intake system, and purge gas from a canister is mixed into the blow-by gas pressurizingly transferred by the first pump. Thus, the blow-by gas and the purge gas are guided to the intake system.

REFERENCES:
patent: 4630575 (1986-12-01), Hatamura et al.
patent: 4834028 (1989-05-01), Oetting
patent: 5992397 (1999-11-01), Hideaki et al.
patent: 6123061 (2000-09-01), Baker et al.
patent: 6457462 (2002-10-01), Moren
patent: 6659093 (2003-12-01), Kim
patent: 6848436 (2005-02-01), Oota et al.
patent: 2005-9487 (2005-01-01), None

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