Title:
ROTARY COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2019/021550
Kind Code:
A1
Abstract:
The compression section (12) of this rotary compressor (1) is provided with: an intermediate partition plate (140) disposed between an upper cylinder (121T) and a lower cylinder (121S); an upper vane (127T) for dividing an upper cylinder chamber (130T) formed within the upper cylinder (121T) into an upper suction chamber (131T) and an upper compression chamber (133T); and a lower vane (127S) for dividing a lower cylinder chamber (130S) formed within the lower cylinder (121S) into a lower suction chamber (131S) and a lower compression chamber (133S). The intermediate partition plate (140) has formed therein: an injection hole (140b) for injecting a liquid refrigerant into the upper compression chamber (133T) and the lower compression chamber (133S); and an injection passage (140a) for supplying a liquid refrigerant to the injection hole (140b). The injection passage (140a) is formed along a straight line (141) not intersecting a rotating shaft insertion hole (123) into which a rotating shaft (15) is inserted.
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Inventors:
UEDA KENSHI (JP)
IZUMI YASUYUKI (JP)
IZUMI YASUYUKI (JP)
Application Number:
PCT/JP2018/015825
Publication Date:
January 31, 2019
Filing Date:
April 17, 2018
Export Citation:
Assignee:
FUJITSU GENERAL LTD (JP)
International Classes:
F04C18/356; F04C29/00; F04C23/00; F04C29/04
Foreign References:
| JP2015135090A | 2015-07-27 | |||
| JPS6140958Y2 | 1986-11-21 | |||
| JPS6333093Y2 | 1988-09-05 | |||
| JPS5776296A | 1982-05-13 | |||
| JPS62183094U | 1987-11-20 | |||
| JP2003343467A | 2003-12-03 |
Other References:
See also references of EP 3660316A4
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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