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Patent Searching and Data


Title:
ROTARY COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2018/088409
Kind Code:
A1
Abstract:
In the present invention, a lower edge plate cover (170S) is formed in a plate shape, a lower discharge chamber recess (163S) is formed on the lower edge plate (160S) so as to overlap with the lower discharge hole (190S) side of the lower discharge valve housing recess (164S), the lower discharge chamber recess (163S) is formed within the range of a sector between a first radial line (L3) which passes through the center (O1) of an auxiliary bearing (161S), and the center point (O4) of a line segment joining the center of the lower discharge hole (190S) and the center (O3) of the downward head (202S), and a second radial line (L4) which is open at a pitch angle of 90° in the direction of the lower discharge hole (190S) with the center thereof the center (O3) of the auxiliary bearing (161S), a lower edge cover chamber (180S) is formed by the lower discharge chamber recess (163S) and the lower discharge valve housing recess (164S), and a coolant passage hole (136) is positioned on the outer peripheral side of the lower edge plate (160S) with respect to the lower discharge hole (190S) and at a position within the range of a sector between the first radial line (L3) and the tangent line (TL) of the lower discharge hole (190S) that passes through the center (O1) of the auxiliary bearing (161S), so as to communicate with the lower discharge chamber recess (163S).

Inventors:
MOROZUMI NAOYA (JP)
MORISHITA TAKU (JP)
FURUKAWA MOTONOBU (JP)
KATAYAMA HIROKI (JP)
TANAKA JUNYA (JP)
Application Number:
JP2017/040162
Publication Date:
May 17, 2018
Filing Date:
November 07, 2017
Export Citation:
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Assignee:
FUJITSU GENERAL LTD (JP)
International Classes:
F04C18/356; F04C29/12
Domestic Patent References:
WO2016098710A12016-06-23
Foreign References:
JPH11132177A1999-05-18
JP2016160911A2016-09-05
JP2015197056A2015-11-09
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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