Title:
RADIAL PLUNGER TYPE PUMP. MOTOR MECHANISM
Document Type and Number:
Japanese Patent JPH0533757
Kind Code:
A
Abstract:
PURPOSE: To surely prevent variation of a clearance between a side plate and a cylinder block by means of extremely simple parts so as to attain cost down of manufacture and miniaturization of the whole device.
CONSTITUTION: A seal ring 2 for surrounding a communicating hole 7 on the high pressure side of the side plate 8 is interposed, between a casing 3 rotatably receiving a cylinder block 2 and a side plate 8 in slidable contact with the end face of the cylinder block 2. The side plate 8 is pressed against the end face of the cylinder block 2 by oil pressure in the communicating hole 7 on the side of high pressure applied on the inner side of the seal ring 22.
Inventors:
HAMAZAKI KIYONARI
YAMANAKA KOHEI
YAMANAKA KOHEI
Application Number:
JP19175891A
Publication Date:
February 09, 1993
Filing Date:
July 31, 1991
Export Citation:
Assignee:
ATSUGI UNISIA CORP
International Classes:
F03C1/247; F03C1/38; F04B1/04; F04B1/047; F04B1/053; (IPC1-7): F03C1/247; F04B1/04
Attorney, Agent or Firm:
Fujiya Shiga (3 outside)