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:
Oct. 11, 2016
Filed:
Dec. 12, 2014
Denso Corporation, Kariya, Aichi-pref., JP;
Taiki Yasuzaka, Nagoya, JP;
Yasuo Kato, Niwa-gun, JP;
DENSO CORPORATION, Kariya, JP;
Abstract
A pump casing has two external communication holes communicating with an outside. A partition member partitioning an interior of the pump casing into a first space and a second space. The first space communicates with the two external communication holes. The partition member have two internal communication holes communicating the first space with the second space. A first rotor member is rotatably accommodated in the first space. A second rotor member is rotatably accommodated in the second space. A torque switching unit is configured to switch between transmission of a running torque selectively to the first rotor member and transmission of the running torque to both the first rotor member and the second rotor member.