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Patent Searching and Data


Title:
ベーンポンプ
Document Type and Number:
Japanese Patent JP4094682
Kind Code:
B2
Abstract:
PCT No. PCT/EP98/02082 Sec. 371 Date Dec. 24, 1998 Sec. 102(e) Date Dec. 24, 1998 PCT Filed Apr. 9, 1998 PCT Pub. No. WO98/46884 PCT Pub. Date Oct. 22, 1998A vane pump is proposed which has a rotor which accommodates a number of vanes that can move in the radial direction, has a cam ring which surrounds the rotor and forms at least one suction region and one pressure region, and has at least one pressure plate, which forms a lateral boundary surface of the suction and pressure regions and, when the vane pump is operating, is loaded by pressure on its side facing away from the suction and pressure regions, the pump being defined in that that surface (17; 19) of the pressure plate (13; 15) which faces the rotor (5) is designed to be concave-when there is no pressure in the vane pump (1).

Inventors:
Raoto, Hans-Jurgen
Neat-Menninger Thomas
Application Number:
JP54346298A
Publication Date:
June 04, 2008
Filing Date:
April 09, 1998
Export Citation:
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Assignee:
Luke Fartsoyck-Hydra Orik Gaem Behr und Company Kage
International Classes:
F04C2/344; F04C15/00
Domestic Patent References:
JP2052988U
Attorney, Agent or Firm:
Takehiko Suzue
Sadao Muramatsu
Ryo Hashimoto
Toshio Shirane