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:
Apr. 12, 2016
Filed:
Aug. 22, 2012
Tomoyuki Ishikawa, Anjo, JP;
Tatsuaki Ito, Anjo, JP;
Tomoyuki Ishikawa, Anjo, JP;
Tatsuaki Ito, Anjo, JP;
AISIN AW CO., LTD., Aichi-Ken, JP;
Abstract
A power transmission device having a shift device in a case; and a pump sucking and discharges oil, including: a gear receiving power from the shift device; a gear shaft with a breather chamber having at least one end side in an axial direction being opened, and attached to the gear; a bearing supporting the gear shaft rotatably relative to the case on the breather chamber one end side; a vent pipe communicating with the breather chamber opening and outside of the case; a passage in the case with an outlet port opening to the case inside, and allowing pump leakage oil to flow from the outlet port; a member receiving flowing from the outlet port of the passage; a passage guiding the leakage oil from the receiving member to the bearing; and a portion suppressing entry of oil thrown up with rotation of the gear into the receiving member.