Cooling water piping attachment structure for small boat

Internal-combustion engines – Cooling – Automatic coolant flow control

Reexamination Certificate

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C440S08800J

Reexamination Certificate

active

07455035

ABSTRACT:
A cooling water attachment device for a small boat can include a joint attachment part having a cooling water inlet/outlet port provided on a side surface of an engine opposite an exhaust pipe. A joint member can be formed with a recess for communication with the cooling water inlet/outlet port and can be attached to the joint attachment part. Branch piping and connection piping can be connected to the joint member. The branch piping and the connection piping can extend parallel to the side surface of the engine. The joint member can be attached below the lowest end of a water cooling jacket part, and the branch piping can extend downward from the joint member.

REFERENCES:
patent: 6408802 (2002-06-01), Funahashi
patent: 2002/0115360 (2002-08-01), Mashiko
patent: 2004/0050039 (2004-03-01), Matsuda
patent: 2004/0200444 (2004-10-01), Sugano et al.
patent: 2006/0065230 (2006-03-01), Hoi
patent: 2002-161803 (2002-06-01), None
patent: 2002-242673 (2002-08-01), None

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