Patent ID: 7993119
Filing Date: 2011-08-09
Classification: F02M,F04B,F04C

Abstract:
1. A vane pump comprising: a motor having a mounting portion; a rotor having a plurality of vanes, the rotor being rotated by the motor; a first casing having a second casing having an elastic sheet disposed between the second casing and the mounting portion of the motor; and a screw penetrating a first through hole of the first casing, a second through hole of the second casing and a third through hole of the elastic sheet, wherein the screw is configured to fasten and join the first casing, the second casing and the elastic sheet to the mounting portion of the motor, wherein the second casing further includes a protrusion protruding toward the motor, the protrusion is in contact with the mounting portion of the motor, and the protrusion has a protruding dimension smaller than a thickness of the elastic sheet.