Patent · US Expired

Vane slots for a fluid power converter

US4599058A · kind A · utility

7Cited by
6References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 31, 1984
Grant dateJul 8, 1986
Priority date
Expiry dateAug 31, 2004

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF01C21/0809
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.