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Title:
COMPRESSOR CRANKSHAFT AND COMPRESSOR HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2019/134364
Kind Code:
A1
Abstract:
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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Inventors:
SHEN, Kuanting (No. 42, Aly. 160 Ln. 346, Sec. 3, Meigao Rd., 8th Neighborhood, Touzhou Li, Xinwu Dist, Taoyuan City Taiwan 327, 327, CN)
LEE, Hsiuwen (8F. No.1, Ln. 349 Fuzhou 2nd St., Zhongli Dist, Taoyuan Taiwan 320, 320, CN)
CHANG, Chiapin (No.100, Zhongxiao Rd. Guanyin Dist, Taoyuan Taiwan 328, 328, CN)
Application Number:
CN2018/098920
Publication Date:
July 11, 2019
Filing Date:
August 06, 2018
Export Citation:
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Assignee:
RECHI PRECISION CO., LTD. (No. 943, Sec. 2 Chenggong Rd., Guanyin Dist, Taoyuan Taiwan 284, 23603284, CN)
International Classes:
F04C29/00; F04C18/356; F04C29/02; F16C3/14
Attorney, Agent or Firm:
YOGO PATENT AND TRADEMARK AGENCY LIMITED COMPANY (CHEN, Wei, 510620, CN)
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