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:
Nov. 27, 2012
Filed:
Mar. 19, 2009
Naoki Ito, Braunschweig, DE;
Takeshi Torii, Anjo, JP;
Yasunari Muranaka, Okazaki, JP;
Nobukazu Ike, Kariya, JP;
Shingo Uozumi, Nishio, JP;
Tomohiro Umemura, Okazaki, JP;
Naoki Ito, Braunschweig, DE;
Takeshi Torii, Anjo, JP;
Yasunari Muranaka, Okazaki, JP;
Nobukazu Ike, Kariya, JP;
Shingo Uozumi, Nishio, JP;
Tomohiro Umemura, Okazaki, JP;
Aisin AW Co., Ltd., Anjo, JP;
Abstract
A drain structure where oil sucked from the oil pan by the oil pump is supplied to the torque converter and circulates therein, and the oil is drained into the transmission case through a drain oil passage; and the drain oil passage passes through a gap between the torque converter and the oil pump, is guided to an upper part facing a fitting surface between the oil pump and the transmission case, and is further guided from the upper part to a part under the oil pump and opens above an oil level in the transmission case, and drain oil from the drain oil passage is discharged toward the oil pan.