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.

Date of Patent:
Nov. 09, 1982

Filed:

Jun. 25, 1980
Applicant:
Inventors:

Toshitsugu Suzuki, Tokyo, JP;

Masayuki Tuchida, Yokohama, JP;

Assignees:

Hitachi, Ltd., Tokyo, JP;

Tokico, Ltd., Kanagawa, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
417 13 ; 417 19 ; 417 29 ; 417 32 ; 417 44 ; 417295 ; 417302 ;
Abstract

An oil cooled compressor including a compressor member driven by a motor, an oil tank receiving oil therein and removing oil from the gas discharging out of the compressor member, an oil supplying device for supplying the oil in the oil tank into the compressor member, and a pressure responsive control device for controlling the operation of the compressor member. There are provided a first temperature detector detecting the temperature of the oil, a second temperature detector detecting the temperature of the gas, and a temperature responsive control device restricting the function of the pressure responsive control device in response to the temperatures detected by the first and second temperature detectors.


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