Invention Grant
- Patent Title: Electric motor having air tightness test holes
- Patent Title (中): 电动机具有气密性试验孔
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Application No.: US14045936Application Date: 2013-10-04
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Publication No.: US09590464B2Publication Date: 2017-03-07
- Inventor: Tomonaga Yamamoto , Makoto Funakubo
- Applicant: FANUC CORPORATION
- Applicant Address: JP Minamitsuru-gun, Yamanashi
- Assignee: FANUC CORPORATION
- Current Assignee: FANUC CORPORATION
- Current Assignee Address: JP Minamitsuru-gun, Yamanashi
- Agency: Drinker Biddle & Reath LLP
- Priority: JP2012-224479 20121009
- Main IPC: H02K5/124
- IPC: H02K5/124 ; H02K5/10 ; H02K5/22 ; H02K5/15 ; F16J15/54 ; H02K5/04 ; F16J15/32
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.
Public/Granted literature
- US20140097716A1 ELECTRIC MOTOR HAVING AIR TIGHTNESS TEST HOLES Public/Granted day:2014-04-10
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