Patent ID: 9163630
Filing Date: 2015-10-20
Classification: F01C,F04C

Abstract:
1. An electric vane pump comprising: a first shell having a substantially planar first pump surface; a second shell coupled to the first shell and having a substantially planar second pump surface spaced apart from and extending substantially parallel to the first pump surface; a center vane support; a rotor; a plurality of radially moveable vanes fixed for rotation with the rotor, each vane being positioned between the first and second pump surfaces and having an end slidably engaging the center vane support; a shaft including spaced apart shoulders engaging each of the first and second shells to define a predetermined spacing between the first and second pump surfaces; an electric motor stator positioned between the first and second shells; and a plurality of permanent magnets fixed for rotation with the rotor, the magnets being positioned proximate the stator.