Patent ID: 9562530
Date: 2017-02-07
CPC Classifications: F01C,F04C,F16N

Claim:
1. A rotor pump, comprising: a pump body that is rotatably driven, wherein a substantially cylindrical accommodation cavity is formed in the pump body, the accommodation cavity has a bottom wall, and a recess is provided on an inner circumference of the accommodation cavity; a pump wheel comprising a substantially cylindrical main body portion swinging in the accommodation cavity, a protrusion which radially extends from the main body portion and is fitted in the recess, and a substantially cylindrical first shaft portion which axially extends from the main body portion; and a sealing plate positioned relative to the pump body and comprising an eccentric hole which is eccentric relative to a rotation axis of the pump body, wherein the first shaft portion of the pump wheel is rotatably fitted in the eccentric hole, and a suction channel is formed on one side of the pump wheel, a discharge channel is formed on the other side of the pump wheel, the suction channel and the discharge channel are each in fluid communication with a compression cavity formed between an outer circumference of the pump wheel and the inner circumference of the accommodation cavity.