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. 04, 2017
Filed:
Mar. 01, 2013
Panasonic Corporation, Kadoma-shi, Osaka, JP;
Katsumi Endou, Shiga, JP;
PANASONIC CORPORATION, Osaka, JP;
Abstract
A control device for an electric compressor for use in a refrigeration cycle includes an inverter circuit and controller for outputting a driving signal to a DC motor. The controller is configured to set a specified constant rotating speed as a target rotating speed (Rt) of the DC motor () (SI), obtain an actual measurement rotating speed (Rm) which is a measurement value of a rotating speed of the DC motor () (S), adjust a duty ratio of driving electric power of the DC motor () so that the actual measurement rotating speed (Rm) matches the target rotating speed (Rt) (S), and newly set the target rotating speed based on a change in the duty ratio (S).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile