Title:
油圧ポンプユニット
Document Type and Number:
Japanese Patent JP5231059
Kind Code:
B2
Abstract:
The present invention provides a technology for downsizing fluid pressure equipment including a fluid pressure pump (4) and a radiator (8). The hydraulic pump unit (3) includes: a hydraulic pump (4); a motor (5) which drives the hydraulic pump (4); a cooling fan (7) which is connected to an output shaft (5a) of the motor (5) and generates a flow of cooling air (6) to cool the motor (5); and a radiator (8) which receives heat from the hydraulic oil. The motor (5) and the radiator (8) are overlapped with the cooling fan (7), when viewed from the axial direction of the output shaft (5a) of the motor (5).
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Inventors:
Hideki Niwa
Yoshioka Yoshihiko
Yoshioka Yoshihiko
Application Number:
JP2008080027A
Publication Date:
July 10, 2013
Filing Date:
March 26, 2008
Export Citation:
Assignee:
Nabtesco Co., Ltd.
International Classes:
F04B23/00; F04B53/08
Domestic Patent References:
| JP49050804U | ||||
| JP8205475A | ||||
| JP4183979A | ||||
| JP50013901A | ||||
| JP1074381U | ||||
| JP61072063U | ||||
| JP9093865A | ||||
| JP2002218704A | ||||
| JP2007143247A |
Attorney, Agent or Firm:
Yoshiyuki Kaji
Makoto Suhara
Makoto Suhara