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Patent Searching and Data


Title:
SEALED COMPRESSOR AND MANUFACTURING METHOD FOR SEALED COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2019/234881
Kind Code:
A1
Abstract:
This sealed compressor comprises: a sealed container; a hollow cylinder accommodated in the sealed container; a rolling piston that eccentrically rotates; a vane that divides the space within the cylinder into an intake chamber and a compression chamber; a spring that biases the vane toward the side where the rolling piston is disposed; a cylindrical spring guide that protrudes from the sealed container, forms a hollow portion that accommodates the spring, and defines the extension/compression direction of the spring; and a protruding container that protrudes from the sealed container, forms a sealed space together with the sealed container, and accommodates the spring guide therein. An insertion hole into which the spring is inserted is formed in the cylinder, one end portion of the spring guide is fixed to the cylinder and the hollow portion is in communication with the insertion hole, the other end portion of the spring guide is closed off by a bottom lid portion, and the spring is disposed between the rear-side end portion of the vane, which is positioned at the side opposite to the rolling piston, and the bottom lid portion.

Inventors:
IGAKI NATSUKI (JP)
AKAHORI YASUSHI (JP)
Application Number:
PCT/JP2018/021831
Publication Date:
December 12, 2019
Filing Date:
June 07, 2018
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F04C18/356
Domestic Patent References:
WO2014155803A12014-10-02
Foreign References:
JPS5617388U1981-02-16
JPS5256484Y21977-12-21
US20040131490A12004-07-08
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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