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:
Dec. 04, 1984
Filed:
Dec. 21, 1982
Riichi Sakano, Okabe, JP;
Sanden Corporation, Gunma, JP;
Abstract
A control device is disclosed for controlling the operation of a compressor in an air conditioning or refrigerating system. The compressor includes a variable displacement device which changes the capacity of the compressor and a magnetic clutch which operates the compressor in response to an external drive mechanism. The control device controls the operation of both the variable displacement device and the magnetic clutch in response to the temperature of the cool air generated at the evaporation of the air conditioning or refrigerating system. Two temperature detectors having different thermal response characteristics detect the temperature of the cool air. The difference between the temperatures detected by these sensors is used by the control device to control the operation of the variable displacement device.