Patent ID: 8672659
Filing Date: 2014-03-18
Classification: F01C,F04C

Abstract:
1. A vane air motor comprising: a motor housing comprising a cylindrical wall with a circular cylindrical inner peripheral surface, and first and second end walls that define opposite ends of the cylindrical wall, respectively, such that the circular cylindrical inner peripheral surface and the first and second end walls define a rotor chamber in the motor housing; a rotor provided in the motor housing for rotation around an axis of rotation extending parallel to and spaced from a center axis of the circular cylindrical inner peripheral surface, the rotor having an output shaft portion extending through the second end wall and a support shaft portion extending into the first end wall; first and second radial bearings that are attached to the first end wall and the second end wall, respectively, and rotatably support the support shaft portion and the output shaft portion, respectively; and a casing joined to the motor housing to form a compressed air supply chamber together with the first end wall, the first end wall being formed with an air supply hole through which compressed air is supplied into the rotor chamber; the first end wall comprising: