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:
Apr. 23, 2013
Filed:
Feb. 04, 2010
Hideharu Tanaka, Shizuoka, JP;
Masahiko Takano, Shizuoka, JP;
Akihiro Nagasaka, Shizuoka, JP;
Hitachi Industrial Equipment Systems Co., Ltd., Tokyo, JP;
Abstract
An air compressor, for enabling to restart a fan motor when an inverter trip generates within an inverter control of the fan motor, as well as, to continue supplying of compressed air therefrom, comprises: a compressor main body; a compressor motorfor driving this compressor main body; a fan motorfor driving a fan; an inverter for controlling the fan motor; and a controllerfor controlling driving of the compressor motorand driving of the fan motor. The controllerconducts such control that the fan motoris brought into a restart waiting condition while continuing operation of the compressor motorwhen an inverter trip generates, and thereafter to restart the fan motor