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. 08, 1986
Filed:
Aug. 31, 1984
Applicant:
Inventor:
Stephen R Stone, San Antonio, TX (US);
Assignee:
Rineer Hydraulics, Inc., Corpus Christi, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04C / ;
U.S. Cl.
CPC ...
418221 ; 418268 ;
Abstract
In a fluid power converter, such as a hydraulic pump or motor, having a rotor and stator with vanes in both the rotor and stator, the improvement in the vane slots on one or both of the rotor and stator in which a ramp is provided on both sides of the open ends of each slot. The ramps are directed outwardly towards the annular space between the rotor and stator for allowing a crossing vane to cam out of the opposing slot thereby preventing the crossing vane from catching in the opposing slot.