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:
Apr. 06, 1993

Filed:

Jul. 24, 1991
Applicant:
Inventors:

Noboru Tsuboi, Kakogawa, JP;

Masaki Matsukuma, Kobe, JP;

Kazuo Kubo, Kobe, JP;

Terumasa Kume, Kobe, JP;

Tsuyoshi Niimura, Kakogawa, JP;

Atsushi Ikeda, Kobe, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
417362 ; 418 98 ; 418D / ;
Abstract

An oil injection type screw compressor which includes an oil tank for separating lubricating oil from gas discharged from a compressor body and collecting the thus separated lubricating oil is constituted such that the oil tank has a substantially L-shaped vertical section composed of a base portion and a column portion provided uprightly on the base portion such that a spacing in the base portion located above an oil storage portion at a lower location in the base portion is formed such that it extends from an upper portion in the base portion to the inside of the column portion, and an oil separating element is provided on the inner side of an exit of gas at an upper portion of the column portion while the compressor body is disposed on the base portion.


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