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:
Nov. 17, 1987
Filed:
May. 14, 1986
Naoki Akazawa, Ohta, JP;
Kazuhiko Nishi, Gunma, JP;
Naoya Kawakami, Ohta, JP;
Yoshiaki Fujisawa, Kumagaya, JP;
Noriyoshi Yamada, Nitta, JP;
Sawafuji Electric Co., Ltd., , JP;
Abstract
A system and apparatus for controlling the operation of a vibrating compressor using a predetermined frequency corresponding to the load thereof, comprising a first sensor for detecting a temperature of pressure corresponding to the saturated vapor pressure of a refrigerant sucked by a vibrating compressor, a second sensor for detecting a temperature or pressure corresponding to the saturated vapor pressure of the refrigerant compressed and discharged by the compressor, and a control section for generating a drive power of a predetermined frequency based on the temperatures and pressures detected by the first and second sensors, and characterized in that the compressor is driven by a drive power generated by the control section. In the present invention, the operation of the vibrating compressor can be controlled at the maximum efficiency by relating the frequency of an alternating current power fed to the vibrating compressor with the suction temperature or pressure and the discharge temperature of pressure of the refrigerant.