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:
Aug. 26, 2014
Filed:
Aug. 28, 2009
Naoki Kato, Aichi-gun, JP;
Masashi Ikemura, Toyota, JP;
Takeshi Ishiwada, Toyota, JP;
Kazuaki Nakamura, Toyota, JP;
Fuminori Monji, Toyota, JP;
Tadanori Fujii, Toyota, JP;
Tatuya Ishiguro, Toyota, JP;
Hiroyuki Ogasawara, Anjo, JP;
Hiroki Goshima, Nukata-gun, JP;
Naoki Kato, Aichi-gun, JP;
Masashi Ikemura, Toyota, JP;
Takeshi Ishiwada, Toyota, JP;
Kazuaki Nakamura, Toyota, JP;
Fuminori Monji, Toyota, JP;
Tadanori Fujii, Toyota, JP;
Tatuya Ishiguro, Toyota, JP;
Hiroyuki Ogasawara, Anjo, JP;
Hiroki Goshima, Nukata-gun, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Aisin AW Co., Ltd., Anjo, JP;
Abstract
A transmission includes a case having an internal space; a first partition wall which is provided in the case and forms a boundary between a first chamber which is arranged in the case and houses a rotating object, and a second chamber which is arranged in the case, is connected to the first chamber, and maintains equal pressure between the first chamber and outside air; a second partition wall which is provided in the case and forms a boundary between the second chamber and a third chamber which is arranged in the case and stores fluid below the second chamber; and a third partition wall which is provided in the case and forms a boundary between the first chamber and the third chamber. A first hole and a second hole are formed in that order from the first chamber side in the second partition wall.