Title:
Air compressor
Document Type and Number:
Japanese Patent JP6119994
Kind Code:
B2
Abstract:
An air compressor comprising: an air tank (2a,2b) configured to store therein compressed air; a compression part (3) configured to compress air sucked from an outside and to supply the air to the air tank (2a,2b); a motor (4) configured to drive the compression part (3); a cooling fan (8a) provided at one end-side of a rotational shaft (5) of the motor (4) and in the vicinity of the motor (4); and a cover (26) configured to cover at least the compression part (3) and the motor (4). The cooling fan (8a) comprises: outer blades (104) configured to supply an air stream to the compression part (3); inner blades (105) configured to enable an air stream to flow in a direction along a rotational shaft (5) of the cooling fan (8a) at an inner side of the outer blades (104); and a partition part (102) interposed between the outer blades (104) and the inner blades (105).
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Inventors:
Naoto Hitotsubashi
Application Number:
JP2013193502A
Publication Date:
April 26, 2017
Filing Date:
September 18, 2013
Export Citation:
Assignee:
Hitachi Koki Co., Ltd.
International Classes:
F04B39/06; F04B39/00; F04B41/00
Domestic Patent References:
| JP2009185648A | ||||
| JP2004183498A | ||||
| JP2007177722A |
Attorney, Agent or Firm:
Takashi Murai
Hiromi Murai
Hiromi Murai
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