Internal-combustion engines – Charge forming device – Crankcase vapor used with combustible mixture
Patent
1998-09-10
1999-12-21
Kamen, Noah P.
Internal-combustion engines
Charge forming device
Crankcase vapor used with combustible mixture
440 88, B63H 2132, F02B 2500
Patent
active
060035013
ABSTRACT:
A four-cycle engine for an outboard motor includes an upwardly extending breather chamber which communicates with a projecting portion provided at a lower part of a crankcase and with an induction system via a PCV passage for returning a blow-by gas to intake manifolds. With this arrangement, it becomes possible to remove oil components from the blow-by gas within the PCV passage and hence to return the substantially oil-free blow-by gas to the intake manifolds.
REFERENCES:
patent: 5501202 (1996-03-01), Watanabe
patent: 5514015 (1996-05-01), Okazawa et al.
patent: 5794602 (1998-08-01), Kimura
patent: 5951344 (1999-09-01), Tsunoda et al.
Oka Kouichi
Shidara Sadafumi
Shimazaki Wataru
Tsunoda Masaki
Honda Giken Kogyo Kabushiki Kaisha
Huynh Hai
Kamen Noah P.
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