Patent Number: 8,821,131

Title: Air compressor

Abstract: According to the invention, an air compressor includes: one pair of air tanks arranged parallel to each other by being separated from each other in a constant interval, for storing thereinto compressed air; a compressing unit that compresses air sucked from an external space so as to supply the compressed air to the air tanks; and a motor coupled to the compressing unit so as to drive the compressing unit, while the motor and the compressing unit are arranged above the one pair of air tanks; wherein: a cooling fan that generates cooling wind is provided on one end of a rotation shaft of the motor; and a control circuit unit that drives the motor is arranged above the one pair of air tanks and at a position which is overlapped with an axial direction projection area of the cooling fan.

Inventors: Yokota; Tomoyoshi (Ibaraki, JP), Kodato; Seiichi (Ibaraki, JP), Matsunaga; Kenichi (Ibaraki, JP), Segawa; Kazuhiro (Ibaraki, JP), Ichihashi; Naoto (Ibaraki, JP)

Assignee: Hitachi Koki Co., Ltd.

International Classification: F04B 23/14 (20060101)

Expiration Date: 9/02/12018