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:
Jul. 03, 1984
Filed:
Dec. 04, 1981
Applicant:
Inventor:
William H Todd, Winston-Salem, NC (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03C / ;
U.S. Cl.
CPC ...
418 / ; 417310 ;
Abstract
A high torque, low speed hydraulic motor is disclosed which comprises a gerotor type rotary displacement assembly which is composed of an outer ring and an internal, eccentrically mounted star. The outer ring of the assembly is fixed to and rotates with the drive shaft, and the inner star is held against rotation by a universal shaft linkage. A fluid valve is provided for the gerotor assembly which comprises a timing plate and a spool having cooperating flat faces, and the two faces are adjustably biased together to permit control of fluid leakage therebetween.