ROTOR ASSEMBLY, COMPRESSOR AND AIR CONDITIONER

WIPO Patent Application WO/2022/179134

A1

A rotor assembly (1100), a compressor (1000) and an air conditioner. The rotor assembly (1100) comprises a first rotor (200), comprising a first working portion (210) and a second working portion (220), which are coaxially arranged, wherein the first working portion (210) and the second working portion (220) can rotate about a first axis; the first working portion (210) comprises a plurality of first helical blades (211), with a first blade groove (212) being formed between two adjacent first helical blades (211); a first end face (214) of the first working portion (210) away from the second working portion (220) is provided with at least one first air pressure groove (213); and the first air pressure groove (213) generates a force in a preset direction along the first axis when rotating. The rotor assembly can reduce the cost of the compressor and simplify the structures of operation components of the compressor, such that the performance and the reliability of the compressor are improved.

JP2000054849	HELICAL ROOTS SUPERCHARGER FOR ENGINE
WO/2005/085643	VACUUM PUMP
JP2014214677	OIL-COOLED SCREW COMPRESSOR

LIU HUA (CN)
ZHANG ZHIPING (CN)
WU XIAOKUN (CN)
BI YUSHI (CN)

PCT/CN2021/124648

September 01, 2022

October 19, 2021

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GREE ELECTRIC APPLIANCES INC ZHUHAI (CN)

F04C18/16; F04C29/00; F04C29/12

CN112780551A	2021-05-11
CN112780553A	2021-05-11
CN110206729A	2019-09-06
CN87100486A	1988-08-10
KR101408674B1	2014-07-04
DE102011118050A1	2013-05-08
US6485279B2	2002-11-26
DE3810505A1	1989-10-19
CN110397589A	2019-11-01
CN101900119A	2010-12-01

CCPIT PATENT AND TRADEMARK LAW OFFICE (CN)

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