Title:
COMPRESSOR
Document Type and Number:
Japanese Patent JP2018040324
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a compressor capable of removing oil accumulated at a lower part of a casing, suppressing an increase in pressure loss of refrigerant gas, and, thereby, preventing deterioration of performance.SOLUTION: A screw compressor 100 includes: a casing having a refrigeration suction port 7; an electric motor 6 accommodated in the casing; a compression mechanism unit being accommodated in the casing, driven by the electric motor 6 and compressing refrigerant gas; an oil passage 31 being provided on a gas flow passage of refrigerant gas reaching the compression mechanism unit from the refrigerant suction port 7, and causing the compression mechanism unit to communicate with a pre-suction oil reservoir part 33 positioned at a lower part of the casing; and an ejector mechanism 34 being provided in the middle of the oil passage 31, and configured to form a pressure reduction region in the oil passage 31.SELECTED DRAWING: Figure 1
More Like This:
| JP2006037894 | COMPRESSOR |
| JPH11141486 | COMPRESSOR |
| JPS54116715 | LOW PRESSURE SEPARATE TYPE VANE TYPE ROTARY COMPRESSOR |
Inventors:
KURIYAMA SHU
KATO EISUKE
YONEMOTO RYUICHIRO
IWAI SATOSHI
KATO EISUKE
YONEMOTO RYUICHIRO
IWAI SATOSHI
Application Number:
JP2016176053A
Publication Date:
March 15, 2018
Filing Date:
September 09, 2016
Export Citation:
Assignee:
HITACHI JOHNSON CONTROLS AIR CONDITIONING INC
International Classes:
F04C29/02
Attorney, Agent or Firm:
Wilfort International Patent Office