Danfoss (tianjin) Ltd.

Jian Jin

Yanbo Zhao

Jing Zhao

Wenhu Yao

Zaiwang Wang

Liqian Ren

Xing Zheng

Lili Xing

Base for compressor housing

The present invention provides a counterweight for a compressor, an electric motor, with the counterweight, for a compressor, and a compressor with the electric motor or the counterweight. The counterweight comprises: a first component having an annular shape; a first groove formed in a surface of the first component and having a sidewall and a bottom wall; and a second component disposed in the first groove. With the technical solution according to the present invention, for example, counterbalance requirements are met, while fluid can be prevented from being stirred to cause power loss.

Counterweight for compressor, motor for compressor and compressor

The present invention provides a vertical, axial flow oil pump (). The oil pump includes: a casing (), the casing having a cylindrical shape as a whole and being able to rotate around its own central axis (O); a suction port (), located at a lower end of the casing in an axial direction, and configured to suck oil into the oil pump; a discharge port (), located at an upper end of the casing in the axial direction, and configured to discharge the oil from the oil pump to outside; and an impeller (), provided in and formed integrally with the casing. The impeller rotates together with the casing when the casing rotates, so that the oil is flowed from the suction port to the discharge port. The present invention also provides a scroll compressor having the oil pump.

Oil pump and scroll compressor

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Tianjin, China

Jian Jin