Patent ID: 8696333
Filing Date: 2014-04-15
Classification: F04D,H02K

Abstract:
1. An electric pump, comprising: a rotor rotationally supported by a housing at a rotation shaft; a stator positioned at an outer side in a radial direction of the rotor and fixed to the housing; a pump portion for taking in and discharging fluid in response to a rotation of the rotor; a can positioned in between the rotor and the stator for preventing the fluid in the pump portion from flowing into the stator, the can possessing a conductivity; tooth portions formed on the stator and protruding toward the outer periphery of the can; and projections on a plurality, but not all, of the tooth portions projecting towards and contacting the outer periphery of the can; wherein the stator is grounded via the can; and wherein the projections press fit and fix the can to the stator.