Internal-combustion engines – Charge forming device – Crankcase vapor used with combustible mixture
Patent
1996-08-30
1998-08-18
McMahon, Marguerite
Internal-combustion engines
Charge forming device
Crankcase vapor used with combustible mixture
B63H 2126
Patent
active
057946027
ABSTRACT:
A ventilation system is provided to vent blow-by gases from a crankcase of an internal combustion engine and to deliver the blow-by gases back to the combustion chambers of the engine for eventual expulsion through the engine exhaust system. The ventilation system includes a lubricant separator located on the side of a cylinder block of the engine. The lubricant separator desirably lies beneath a charge former of the engine at a location which does not increase the overall girth of the engine. The ventilation system also desirably includes a secondary lubricant separator integrated into an intake air device which communicates with the charge former. Both the first and second lubricant separators deliver lubricant, which is separated from the vented blow-by gases back to a reservoir of a lubrication system. The blow-by gases that are vented through the first and second lubricant separators are delivered to the charge former through the intake air device.
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patent: 4569323 (1986-02-01), Okumura
patent: 4597372 (1986-07-01), Furukawa
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patent: 5501202 (1996-03-01), Watanabe
McMahon Marguerite
Sanshin Kogyo Kabushiki Kaisha
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