COMPRESSOR CRANKSHAFT AND COMPRESSOR HAVING SAME

WIPO Patent Application WO/2019/134364

A1

A compressor crankshaft (1) and a compressor (2) having the same, wherein the crankshaft (1) comprises: a shaft body (11); an eccentric portion (12), which is formed at an appropriate distance from a lower end of the shaft body (11), wherein the eccentric portion (12) is provided with at least one longitudinally-extending oil groove region (124) and at least one oil storage region (125) extending in the lateral direction and located around the oil groove region (124); and an oil inlet passage (13), which penetrates the inside of the shaft body (11) and the eccentric portion (12) along the axis of the shaft body (11); the eccentric portion (12) and a ring (232) in a cylinder (231) of a compression pump (23) fully rotationally fit together; the oil groove region (124) and the oil storage region (125) of the eccentric portion (12) effectively reduce the contact area between the eccentric portion (12) and the ring (232), thereby reducing the friction load and improving the sealing performance of oil.

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JP6977653	Electric compressor
JP2011214432	ELECTRIC COMPRESSOR

SHEN KUANTING (CN)
LEE HSIUWEN (CN)
CHANG CHIAPIN (CN)

PCT/CN2018/098920

July 11, 2019

August 06, 2018

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RECHI PREC CO LTD (CN)

F04C29/00; F04C18/356; F04C29/02; F16C3/14

WO2017221398A1

2017-12-28

CN207673544U	2018-07-31
CN203130513U	2013-08-14
CN2630554Y	2004-08-04
CN206206378U	2017-05-31
JP2013108375A	2013-06-06
JPS62178797A	1987-08-05

YOGO PATENT AND TRADEMARK AGENCY LIMITED COMPANY (CN)

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