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:
Mar. 07, 2017
Filed:
Oct. 04, 2013
Applicant:
Fanuc Corporation, Minamitsuru-gun, Yamanashi, JP;
Inventors:
Tomonaga Yamamoto, Minamitsuru-gun, JP;
Makoto Funakubo, Minamitsuru-gun, JP;
Assignee:
FANUC CORPORATION, Minamitsuru-gun, Yamanashi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 5/124 (2006.01); H02K 5/10 (2006.01); H02K 5/22 (2006.01); H02K 5/15 (2006.01); F16J 15/54 (2006.01); H02K 5/04 (2006.01); F16J 15/32 (2016.01);
U.S. Cl.
CPC ...
H02K 5/22 (2013.01); H02K 5/04 (2013.01); H02K 5/124 (2013.01); H02K 5/15 (2013.01); F16J 15/3272 (2013.01); F16J 15/54 (2013.01); H02K 5/10 (2013.01);
Abstract
Through a housing of an electric motor, an output shaft attached to a rotor penetrates. In this housing, an air tightness test hole of the electric motor which communicates with internal space of the electric space formed with the housing and a stator is formed. Further, an oil seal which blocks aeration between the internal space and an outside of the electric motor is attached to this housing.