Guangdong Meizhi Compressor Co., Ltd.

Yangbo Yu

Xiaohua Qiu

Zhengzhong Qiao

Linshu Mao

Bin Gao

Kaicheng Yang

Guoyong Yang

Fayun Li

Feng Wang

Hualong Wu

A motor stator () for a compressor, a permanent magnet motor (), and a compressor (A) are disclosed. The stator () includes: a stator core (); a stator winding (), the stator winding () including a plurality of coil groups, and each coil group having at least two connectors (); a lead-out wire () used to connect an external circuit and the stator winding (), there being a plurality of lead-out wires () and each lead-out wire () being connected to connectors of at least two different coil groups, wherein the rated voltage between terminals on which a motor is mounted is Un, the maximum outer diameter of the stator core () is Dmax, and the axial length of the stator core () is L, Un/(Dmax&#xd7;L)&#x2264;0.3 V/cm.

Motor stator for compressor, permanent magnet motor, and compressor

Disclosed are a permanent magnet motor, a compressor and a refrigeration system. In the permanent magnet motor, the diameter D of a contour circle of the smallest inner periphery of a stator, the diameter d of a contour circle of the largest outer periphery of a rotor, the fundamental wave amplitude Bm1 of an air-gap flux density at an average gap between the stator and the rotor, the axial length L of the rotor, the total number of serially connected turns Ns of each phase winding, and a bus DC voltage Udc of a frequency converter supplying power to the permanent magnet motor before inversion are set as: 0.003 Udc&#x2264;(D+d)&#xd7;L&#xd7;Bm1&#xd7;Ns&#x2264;0.008 Udc.

Permanent magnet motor, compressor and refrigeration system

Compressor for home appliance, vehicle and aircraft

The present disclosure relates to a variable-capacity compressor () and a refrigeration device (). The variable-capacity compressor () comprises a housing (), a compression mechanism, two first suction conduits () and a variable-capacity valve (); the compression mechanism comprises two bearings () and a cylinder assembly, the cylinder assembly comprises a first cylinder () and a second cylinder (), at least one of the first cylinder () and the second cylinder () is configured as a variable-capacity cylinder, and a compression chamber () and a suction port (A) is formed in the variable-capacity cylinder; the variable-capacity valve () is disposed in the compression mechanism and configured to be movable between a communication position and an isolation position, wherein the variable-capacity cylinder operates when the variable-capacity valve () is located in the communication position, and the variable-capacity cylinder is unloaded when the variable-capacity valve () is located the isolation position.

Variable-capacity compressor and refrigeration device having same

Growing community of inventors

Guangdong, China

Yangbo Yu