Cooling structure of engine

Details Cooling structure of engine Cooling structure of engine

2005-05-31

2008-10-07

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Cooling

With jacketed head and/or cylinder

C123S041440

Reexamination Certificate

active

07430993

ABSTRACT:
A cooling water communication passage extending in a cylinder disposition direction is provided at a cylinder block-integrated crankcase of an engine with parallel multiple cylinders loaded by being tilted forward, and cooling water is supplied to a water jacket from the cooling water communication passage. The cooling water communication passage is adjacently disposed below the water jacket at a rear side of the cylinder bank, a water pump is placed at a crankcase side wall located at a rear side from a crankshaft, and a downstream side cooling water pipe through which the cooling water discharged from the water pump is passed is connected to an intermediate portion of the cooling water communication passage.

REFERENCES:
patent: 4190023 (1980-02-01), Fujikawa et al.
patent: 4393822 (1983-07-01), Obermayer et al.
patent: 2001/0050193 (2001-12-01), Yoshida et al.
patent: 3026041 (1981-03-01), None
patent: 10047080 (2002-04-01), None
Patent Abstracts of Japan for 2-245423 A published on Oct. 1, 1990.
Patent Abstracts of Japan for 61-265343 A published on Nov. 25, 1986.
Abstract of Japanese Utility Model Application No. 4-27139 published on Mar. 4, 1992.

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