The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 05, 2010
Filed:
Jun. 23, 2004
Yoshio Iimura, Ibaraki, JP;
Hiroaki Orikasa, Ibaraki, JP;
Mitsuhiro Sunaoshi, Ibaraki, JP;
Kazuhiro Segawa, Ibaraki, JP;
Yoshio Iimura, Ibaraki, JP;
Hiroaki Orikasa, Ibaraki, JP;
Mitsuhiro Sunaoshi, Ibaraki, JP;
Kazuhiro Segawa, Ibaraki, JP;
Hitachi Koki Co., Ltd., Tokyo, JP;
Abstract
For a motor that drives a compressed air generator, three operating modes which includes a powerful mode for rotating a motor in a high speed range, a silent mode for rotating the motor in a low speed range, and an automatic mode for automatically changing the rotation speed of the motor from the low speed to the high speed in accordance with a setup condition are prepared. A user can designate a desired operating mode by using an operating mode selection switch.