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. 13, 1977
Filed:
Jun. 23, 1976
Keisuke Kasahara, Tokyo, JA;
Sachio Hamaoka, Ibaragi, JA;
Youichi Katori, Ibaragi, JA;
Takaharu Mizuno, Ibaragi, JA;
Kabushiki Kaisha Maekawa Seisakusho, Tokyo, JA;
Abstract
A refrigerating apparatus comprising a refrigerating cycle into which a screw compressor is incorporated, and a liquid super cooler connected on the way of a liquid pipe of said refrigerating cycle, said screw compressor having a gas intake and/or liquid coolant injection opening which is located at a position where the screw blades of the screw compressor have at least partially compressed the gas in the screw compressor. The position of the gas intake provided in the screw compressor and intended to pass the gas from the liquid super cooler into the screw compressor is limited under such a condition that