Outboard motor

Details Outboard motor Outboard motor

2005-11-22

2005-11-22

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

Hydraulic system

C123S090150, C123S193300, C123S1950HC, C440S08900C, C440S08900C, C440S08900C, C440S012610

Reexamination Certificate

active

06966284

ABSTRACT:
There is provided an outboard motor (1), comprising: an intake valve (17) and an exhaust valve (18) provided to a cylinder head (14); a camshaft (20) arranged substantially vertically in the cylinder head to open and close the intake and exhaust valves; a valve operation characteristics changing device (29) hydraulically operated to change operation characteristics of at least one of the intake and exhaust valves; a selector valve (electromagnetic valve27) for controlling an oil pressure provided to the valve operation characteristics changing device; and an exhaust passage component part (exhaust manifold23) secured on a side of the cylinder head, wherein the selector valve is disposed at a position (space G) beside the cylinder head and overlapping with a top end surface of the exhaust passage component part.

REFERENCES:
patent: 5908338 (1999-06-01), Kawasaki et al.
patent: 6053785 (2000-04-01), Kato et al.
patent: 6315624 (2001-11-01), Tetzlaff et al.
patent: 6439938 (2002-08-01), Katayama
patent: 6705264 (2004-03-01), Onoue
patent: 6708659 (2004-03-01), Katayama
patent: 2004/0206321 (2004-10-01), Katayama
patent: 7-301135 (1995-11-01), None
patent: 2000-186516 (2000-07-01), None

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