Positive crank ventilation apparatus for an engine system

Details Positive crank ventilation apparatus for an engine system Positive crank ventilation apparatus for an engine system

1994-12-16

1996-03-19

Okonsky, David A.

Internal-combustion engines

Crankcase ventilation

123573, F01M 1300, F02M 2500

Patent

active

054996040

ABSTRACT:
In a supercharged engine, a supercharger and a throttle body disposed midway in an intake passage are located away from an engine block. A blow-by gas passage constituting a PCV apparatus is connected between a portion of the intake passage located on the upstream side of a throttle valve and a crankcase. The blow-by gas passage returns the blow-by gas collected in the crankcase to the intake passage. A cooling water passage extending from the engine block is connected to a radiator. A water passage extending from the radiator is connected to the engine block via the throttle body, which water passage encloses the blow-by gas passage in an intermediate portion thereof.

REFERENCES:
patent: 4790287 (1988-12-01), Sakurai et al.
patent: 4920930 (1990-05-01), Sakano et al.
patent: 4945887 (1990-08-01), Sakurai et al.
patent: 5069192 (1991-12-01), Matsumoto et al.
patent: 5203311 (1993-04-01), Hitomi et al.
Technical Report No. 87-708, published by Japan Institute of Invention and Innovation on Jan. 20, 1987.
Technical Report No. 90-2587, published by Japan Institute of Invention and Innovation on Feb. 20, 1990.

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