Title:
ROTARY COMPRESSOR
Document Type and Number:
Japanese Patent JP2017082753
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To prevent efficiency of a rotary compressor from being decreased by restricting refrigerant compressed by an upper cylinder from inversely flowing at a refrigerant passage hole.SOLUTION: A rotary compressor is configured in such a way that a lower end plate cover is formed into a flat-plate shape, the lower end plate is formed with a lower discharging chamber recessed part so as to overlap at a lower discharging hole side of a lower discharging valve storing recessed part, the lower discharging chamber recessed part is formed within a fan-shaped range between a diameter passing through a center of a sub-bearing part and a middle point of a line connecting a center of the lower discharging hole with a center of a lower rivet and a diameter opened by a pitch angle 90° toward a direction of the lower discharging hole with the center of the sub-bearing part being applied as a center, the refrigerant passage hole has at least a part of it overlapping on the lower discharging chamber recessed part and arranged at a position communicating with the lower discharging chamber recessed part, and the lower end plate cover chamber is configured by the lower discharging chamber recessed part and the lower discharging valve storing recessed part.SELECTED DRAWING: Figure 4
Inventors:
MOROZUMI NAOYA
MORISHITA TAKU
FURUKAWA MOTONOBU
KATAYAMA DAIKI
TANAKA JUNYA
MORISHITA TAKU
FURUKAWA MOTONOBU
KATAYAMA DAIKI
TANAKA JUNYA
Application Number:
JP2015235213A
Publication Date:
May 18, 2017
Filing Date:
December 01, 2015
Export Citation:
Assignee:
FUJITSU GENERAL LTD
International Classes:
F04C18/356; F04C23/00; F04C29/00; F04C29/12
Domestic Patent References:
| JPH11132177A | 1999-05-18 | |||
| JP2014145318A | 2014-08-14 | |||
| JP2014231801A | 2014-12-11 |
Foreign References:
| WO2014002457A1 | 2014-01-03 |
Attorney, Agent or Firm:
Sakai International Patent Office