Apparatus and method for controlling the flow of crankcase emiss

Details Apparatus and method for controlling the flow of crankcase emiss Apparatus and method for controlling the flow of crankcase emiss

1996-12-20

1998-03-03

McMahon, Marguerite

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

F02M 2506

Patent

active

057223769

ABSTRACT:
An apparatus is provided for controlling the flow of crankcase emissions. The apparatus includes a crankcase emissions regulator for regulating the flow of crankcase emissions discharged from an engine crankcase, a pressure sensor for sensing a crankcase pressure, and an electronic control module (ECM) for controlling the emissions regulator. The ECM adjusts the emissions regulator in response to the pressure differential between the detected crankcase pressure and a predetermined pressure value programmed in the ECM.

REFERENCES:
patent: 3673994 (1972-07-01), Aono
patent: 3754538 (1973-08-01), Ephraim
patent: 4167164 (1979-09-01), Bachmann
patent: 4257383 (1981-03-01), Boswell
patent: 5113836 (1992-05-01), Sweeten
patent: 5228424 (1993-07-01), Collins

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