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:
Jun. 10, 2014
Filed:
Jun. 19, 2012
Akira Kozaka, Hirakata, JP;
Yasuhiko Matsuki, Fujisawa, JP;
Akira Minamiura, Hiratsuka, JP;
Komatsu Ltd., Tokyo, JP;
Abstract
An electric motor includes: a shaft having an internal cooling medium passageway; a cooling medium supply portion provided inside a housing at a side of one end of the shaft and supplying a cooling medium to the internal cooling medium passageway; a rotation angle detection sensor attached at the side of the one end of the shaft and detecting a rotation angle of the shaft; a push member including a penetration hole through which the cooling medium supplied from the cooling medium supply portion passes and interposed between the cooling medium supply portion and the one end of the shaft to guide the cooling medium to the internal cooling medium passageway and pressing the rotation angle detection sensor from the side of the one end of the shaft; and a connector holding a terminal connected to a signal cable from the rotation angle detection sensor and attached to the housing.