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:
Apr. 20, 1976
Filed:
Jul. 10, 1973
Applicant:
Inventors:
Assignee:
Kabushiki Kaisha Komatsu Seisakusho, Tokyo, JA;
Primary Examiner:
Int. Cl.
CPC ...
F04B / ; F01C / ; F01C / ; F03C / ;
U.S. Cl.
CPC ...
417283 ; 417286 ; 418126 ; 418127 ; 418196 ;
Abstract
A gear pump and motor having a plurality of pumps and motors, each of which have at least three gears interengaged with one another, seal members disposed adjacent to the gears, and control means for selectively controlling the movement of the seal members toward or away from the gears of the pump and motors so as to selectively actuate the pumps and motors so as to attain a desired output.