The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 21, 1989
Filed:
Apr. 01, 1987
Takehiko Katsumoto, Kyoto, JP;
Yoshiaki Danno, Kyoto, JP;
Daisuke Sanbayashi, Kyoto, JP;
Takashi Dogahara, Kyoto, JP;
Hidetsugu Kanao, Kyoto, JP;
Katsuo Akishino, Kyoto, JP;
Osamu Hirako, Kyoto, JP;
Hiroshi Kamada, Uji, JP;
Taizou Kitada, Kyoto, JP;
Masahiko Matsuda, Kyoto, JP;
Nobuaki Shimizu, Kameoka, JP;
Masaji Asada, Kyoto, JP;
Yoshinari Fukami, Kyoto, JP;
Takaaki Hirano, Kyoto, JP;
Abstract
An engine cooling device comprises an oil jacket surrounding a cylinder portion of an engine, an oil gallery supplying high-pressure oil to various parts of the engine, and an oil pressure regulator disposed between the oil jacket and the oil gallery to reduce the pressure of the high-pressure oil supplied from the oil gallery and to supply the oil at a reduced pressure to the oil jacket. Thus, the required mechanical strength of the oil jacket can be decreased to decrease the weight of the engine cylinder block.