Cylinder head structure of engine

Internal-combustion engines – Cooling – With jacketed head and/or cylinder

Reexamination Certificate

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C123S041740

Reexamination Certificate

active

07086355

ABSTRACT:
Head cooling passages are formed around intake ports and exhaust ports provided in a cylinder head, and a flow control member which controls the volume of cooling medium flowing toward the intake ports to be larger than the volume of cooling medium flowing toward the exhaust ports is provided in the vicinity of a supply port via which cooing medium is supplied.

REFERENCES:
patent: 4590894 (1986-05-01), Ishida et al.
patent: 4759317 (1988-07-01), Ampferer
patent: 5094193 (1992-03-01), Yoshikawa
patent: 5152255 (1992-10-01), Fukuda
patent: 5529027 (1996-06-01), Okubo
patent: 5699760 (1997-12-01), Yang et al.
patent: 5769038 (1998-06-01), Takahashi et al.
patent: 5836272 (1998-11-01), Sakurai
patent: 5868106 (1999-02-01), Poropatic et al.
patent: 6202603 (2001-03-01), Etemad
patent: 6481392 (2002-11-01), Etemad
patent: 6530356 (2003-03-01), Inoue et al.
patent: 4-44816 (1992-10-01), None

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