Title:
VANE MACHINE
Document Type and Number:
Japanese Patent JPH1077975
Kind Code:
A
Abstract:
To have a high operation pressure and also slight wearing and a long life and a simple structure, in a vane machine as a pump or motor.
At least one casing side compensation passage is arranged so that the pressure medium positioned in a pressure room 17 can load a first end part 16 of the inside of these blades 15 by an intermediate pressure, when a blade 15 execute at least one switch control stage, and the height of the intermediate pressure is controlled by a spool valve assembled in the casing of the vane machine relating to the height of a system pressure and the spool valve can adjust a certain pressure ratio between the system pressure and the intermediate pressure.
Inventors:
KEY ALLAN W
LEMKE GREGORY
MEINKE CHARLES W
SCHILLING RONALD J
LEMKE GREGORY
MEINKE CHARLES W
SCHILLING RONALD J
Application Number:
JP21285897A
Publication Date:
March 24, 1998
Filing Date:
August 07, 1997
Export Citation:
Assignee:
BOSCH GMBH ROBERT
International Classes:
F01C21/08; F04C2/344; (IPC1-7): F04C2/344
Attorney, Agent or Firm:
Toshio Yano (2 outside)