Internal-combustion engines – Crankcase ventilation
Patent
1996-12-13
1998-09-08
Kamen, Noah P.
Internal-combustion engines
Crankcase ventilation
60283, F01M 1300
Patent
active
058030255
ABSTRACT:
A blowby disposal system for disposing of blowby contaminants from a blowby mixture contained within a crankcase chamber of an internal combustion engine includes an air-oil separator, a passage to transport the blowby mixture from the crankcase chamber to the air-oil separator, a pump, and a passage to transport the blowby contaminants from the air-oil separator to the pump. The pump directs the stream of contaminants into the exhaust system of the engine where it becomes a portion of the overall exhaust emission stream. Degradation of the engine components and the turbocharger components is reduced because the blowby contaminants are not introduced into these components through the air intake system.
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Caterpillar Inc.
Hickman Alan J.
Kamen Noah P.
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