Title:
COMPRESSOR AND REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/079477
Kind Code:
A1
Abstract:
Provided is a compressor, for example, having high performance and reliability. A compressor (100) comprises an upper bearing (5c) and a lower bearing (5d) of which at least one is provided with an oil pocket (h10) in a surface facing a cylinder chamber. When the rotational angle of a roller (5b) positioned at the top dead center in a cylinder (5a) is 0°, in a state in which the rotational angle of the roller (5b) is 0°, the oil pocket (h10) is positioned on the radially inner side of the roller (5b). In a state in which the rotational angle of the roller (5b) is 180°, the oil pocket (h10) is positioned between the roller (5b) and the cylinder (5a).
Inventors:
KOUSOKABE HIROKATSU (JP)
KOYAMA MASAKI (JP)
TSUCHIYA NAOHIRO (JP)
MUKAI YUGO (JP)
TAKESAWA KENJI (JP)
SUZUKI KOSUKE (JP)
KOYAMA MASAKI (JP)
TSUCHIYA NAOHIRO (JP)
MUKAI YUGO (JP)
TAKESAWA KENJI (JP)
SUZUKI KOSUKE (JP)
Application Number:
PCT/JP2019/041776
Publication Date:
April 29, 2021
Filing Date:
October 24, 2019
Export Citation:
Assignee:
HITACHI JOHNSON CONTROLS AIR CONDITIONING INC (JP)
International Classes:
F04C18/356; F04C29/00
Foreign References:
| JPS6338689U | 1988-03-12 | |||
| JPH07301190A | 1995-11-14 | |||
| JPH02286892A | 1990-11-27 | |||
| JPS6157187U | 1986-04-17 | |||
| JPH08159070A | 1996-06-18 | |||
| JP2018105243A | 2018-07-05 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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