Engine cooling structure

Details Engine cooling structure Engine cooling structure

2006-08-08

2006-08-08

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Cooling

With jacketed head and/or cylinder

C123S041740

Reexamination Certificate

active

07086356

ABSTRACT:
To simplify a coolant piping around an engine in an engine cooling structure, which has a pump mounted on a crankcase for circulating a coolant between cylinder and head jackets. A crankcase has coolant supply passages for guiding a coolant from a pump and coolant return passages for guiding a coolant delivered out of cylinder jackets. The coolant supply passages and the coolant return passages extend substantially parallel to the axis of a crankshaft. The cylinder jackets and head jackets are formed wherein the coolant supplied from the coolant supply passages returns from the cylinder jackets via the head jackets to the cylinder jackets.

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