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:
Dec. 29, 2009
Filed:
Mar. 17, 2006
Kazuhito Enomoto, Anjo, JP;
Kiyotomo Mirua, Anjo, JP;
Satoru Wakuta, Anjo, JP;
Kazuhisa Ozaki, Anjo, JP;
Nobuyuki Nagashima, Toyota, JP;
Masato Fujikawa, Toyota, JP;
Tomoyuki Maruyama, Toyota, JP;
Masatoshi Adachi, Toyota, JP;
Kazuhito Enomoto, Anjo, JP;
Kiyotomo Mirua, Anjo, JP;
Satoru Wakuta, Anjo, JP;
Kazuhisa Ozaki, Anjo, JP;
Nobuyuki Nagashima, Toyota, JP;
Masato Fujikawa, Toyota, JP;
Tomoyuki Maruyama, Toyota, JP;
Masatoshi Adachi, Toyota, JP;
Aisin AW Co., Ltd., Anjo, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
Drain holes are arranged in positions offset from valve holes of a valve body. The drain holes have a long chimney-shaped space such that even if insulation material, that has peeled off of an electric motor, is suspended in oil, it is less likely to enter drain chambers through the drain holes.