Title:
HERMETIC COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2020/179043
Kind Code:
A1
Abstract:
A hermetic compressor comprising, on the interior of a hermetic container, a compression mechanism and an electric motor which drives the compression mechanism, with the compression mechanism being driven by the electric motor which is linked to the compression mechanism via a rotational shaft, wherein: the compression mechanism has an annular cylinder, a rolling piston which eccentrically rotates in accordance with the rotation of the rotational shaft, a vane which reciprocates in the radial direction of the cylinder, a vane spring for causing the vane to slide, and a spring guide for affixing the vane spring; a compression chamber constituted by the rolling piston and the vane is formed in the cylinder; and the hermetic container comprises a protruding container, which accommodates the spring guide and is provided so as to protrude outward from the sealed container, and a reinforcing part, which suppresses the deformation of the protruding container. Thus, the present invention can suppress expansion of the protruding container outward due to refrigerant gas compressed in the compression chamber, avoids the concentration of stress concentration in the joint between the hermetic container and the protruding container, and avoids a reduction in the pressure resistance performance of the hermetic container.
Inventors:
TSUKAMOTO TAKUMA (JP)
NAGASAWA HIROKI (JP)
NAGASAWA HIROKI (JP)
Application Number:
PCT/JP2019/008998
Publication Date:
September 10, 2020
Filing Date:
March 07, 2019
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F04C18/356
Foreign References:
| JP2018145936A | 2018-09-20 | |||
| JPS6316189A | 1988-01-23 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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