Title:
COMPRESSOR AND UPPER SHELL
Document Type and Number:
WIPO Patent Application WO/2023/188422
Kind Code:
A1
Abstract:
A compressor comprising: a bottomed cylindrical shell forming an outer shell; a frame housed inside the shell; an oscillating scroll slidably held by the frame; and a fixed scroll that, together with the oscillating scroll, forms a compression chamber in which to compress a refrigerant, wherein the shell has a cylindrical main shell housing the frame, the oscillating scroll, and the fixed scroll and an upper shell sealing an opening at one end of the main shell, the fixed scroll has a first board fixed to a first inner wall of the main shell, a lower end of the upper shell has a tab to be inserted inside the opening at one end of the main shell, the first board is caught between the tab and the first inner wall in an axial direction of the shell, the first board has a first engaging part, the tab has a second engaging part, and the first and second engaging parts are engaged with each other to form a rotation suppression mechanism that suppresses circumferential rotation of the fixed scroll.
Inventors:
HIRAMI TETSURO (JP)
TATSUWAKI KOHEI (JP)
TATSUWAKI KOHEI (JP)
Application Number:
PCT/JP2022/016982
Publication Date:
October 05, 2023
Filing Date:
April 01, 2022
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F04C29/00
Domestic Patent References:
| WO2018078787A1 | 2018-05-03 |
Foreign References:
| JPH07174079A | 1995-07-11 | |||
| JPH01237375A | 1989-09-21 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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