Four-cycle engine and motorcycle comprising four-cycle engine

Details Four-cycle engine and motorcycle comprising four-cycle engine Four-cycle engine and motorcycle comprising four-cycle engine

2008-05-06

2008-05-06

Huynh, Hai (Department: 3747)

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

C123S19800E, C123S1960CP, C123S19800E

Reexamination Certificate

active

07367328

ABSTRACT:
A four-cycle engine including an engine case configured to accommodate a crankshaft; a pump configured to suction air from an inner space of the engine case; and an air suction passage through which the inner space inner space of the engine case and the pump communicate with each other; wherein the air suction passage extends to the pump through an upper region of the engine case.

REFERENCES:
patent: 4465030 (1984-08-01), Maurer
patent: 5239972 (1993-08-01), Takeyama et al.
patent: 6148807 (2000-11-01), Hazen
patent: 7007682 (2006-03-01), Takahashi et al.
patent: 7040306 (2006-05-01), Moriyama et al.
patent: 7159582 (2007-01-01), Nakajima et al.
patent: 05-060000 (1993-03-01), None

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