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:
Feb. 28, 1978
Filed:
Jul. 14, 1975
Applicant:
Inventors:
Walther Persson, Helsingborg, SW;
Lauritz Benedictus Schibbye, Saltsjo-Duvnas, SW;
Assignee:
Svenska Rotor Maskiner Aktiebolag, Nacka, SW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01C / ; F01C / ; F04C / ;
U.S. Cl.
CPC ...
418-9 ; 418 97 ; 418201 ;
Abstract
Two stage screw compressor having two working spaces provided side by side with parallel axes within a common barrel member and extending in the same direction from a common plane surface of an end plate member in which one rotor of each stage are interconnected by a gear transmission including an input power shaft.