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Patent Searching and Data

Document Type and Number:
WIPO Patent Application WO/2019/142315
Kind Code:
This rotary compressor comprises, within a hermetic container, an electric motor section, and a compression mechanism section in which a refrigerant is compressed by a drive force transmitted from the electric motor section. The compression mechanism section has: a crankshaft rotationally driven by the electric motor section; a cylinder having a cylinder chamber; a bearing which closes the cylinder chamber; a rolling piston which eccentrically rotates with an eccentric shaft section to compress the refrigerant; a vane which divides the cylinder chamber into a suction chamber and a compression chamber; and a vane spring which urges the front end of the vane so as to press the front end against the outer peripheral surface of the rolling piston. The cylinder has a vane spring groove which lengthens a vane spring containing hole, and the vane spring groove is formed around a vane groove so as to extend from the vane spring containing hole toward the cylinder chamber.

HAMADA, Ryo (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
Publication Date:
July 25, 2019
Filing Date:
January 19, 2018
Export Citation:
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MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
Foreign References:
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (East 8F, TORANOMON TWIN BLDG. 10-1 Toranomon 2-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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