Invention Grant
- Patent Title: Cooling structure of generator motor and generator motor
- Patent Title (中): 发电机电机和发电机电机的冷却结构
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Application No.: US13699093Application Date: 2012-03-26
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Publication No.: US08829743B2Publication Date: 2014-09-09
- Inventor: Kouichi Watanabe , Kouya Iizuka , Takao Nagano
- Applicant: Kouichi Watanabe , Kouya Iizuka , Takao Nagano
- Applicant Address: JP Tokyo
- Assignee: Komatsu Ltd.
- Current Assignee: Komatsu Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Edwards Wildman Palmer LLP
- Priority: JP2011-080712 20110331
- International Application: PCT/JP2012/057769 WO 20120326
- International Announcement: WO2012/133321 WO 20121004
- Main IPC: H02K9/19
- IPC: H02K9/19 ; H02K7/18
Abstract:
A cooling structure of a generator motor includes: a rotor holder; a rotor core; a first blade; and a second blade, wherein the second blade includes a recessed coolant holding portion, provided on an outer circumference of the second blade on an opposite side to the rotor core and opening inward in the radial direction, for collecting a coolant, and a drain hole radially penetrating an outer circumference of the coolant holding portion for draining the coolant collected in the coolant holding portion.
Public/Granted literature
- US20130062977A1 COOLING STRUCTURE OF GENERATOR MOTOR AND GENERATOR MOTOR Public/Granted day:2013-03-14
Information query
