Cooling water passage structure for an engine

Details Cooling water passage structure for an engine Cooling water passage structure for an engine

2007-09-18

2007-09-18

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Cooling

With jacketed head and/or cylinder

C123S193500

Reexamination Certificate

active

11246093

ABSTRACT:
A pair of exhaust ports (4, 4) have flat portions (9, 9) formed on respective inner peripheral surfaces thereof and facing in directions opposite to each other. An intervening cooling water passage (14) is formed between the flat portions (9, 9) when a cylinder head (1) is cast.

REFERENCES:
patent: 02016320 (1990-01-01), None
patent: 2-43025 (1990-09-01), None
patent: 2001234807 (2001-08-01), None

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