Title:
REFRIGERATION CYCLE DEVICE
Document Type and Number:
Japanese Patent JP2017048928
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a refrigeration cycle device that can prevent lubricating oil in a compressor from being brought out to an external refrigerant circuit together with a refrigerant at stop of the compressor and can securely return the oil to the compressor.SOLUTION: A refrigeration cycle device includes refrigerant circuit piping that has a compressor 11, a condenser 12, a receiver tank, an expansion valve and an evaporator and in which a refrigerant is circulated. The compressor 11 includes: a discharge port 31; a rotating shaft; and a mechanical seal fitted to an outer peripheral surface of the rotating shaft. A storage tank 28 for storing a liquid refrigerant L is provided in the middle of first piping for connecting the discharge port 31 of the compressor 11 with the condenser 12. The storage tank 28 is provided at a position higher than the compressor 11. A tank inlet 29 of the storage tank 28 is provided at a bottom of the storage tank 28, and a tank outlet 30 of the storage tank 28 is provided in an upper portion of the storage tank 28.SELECTED DRAWING: Figure 3
Inventors:
MATSUBARA AKIRA
FUKANUMA TETSUHIKO
KUROKI KAZUHIRO
KIMOTO YOSHIO
KAMITOKU TETSUYUKI
FUKANUMA TETSUHIKO
KUROKI KAZUHIRO
KIMOTO YOSHIO
KAMITOKU TETSUYUKI
Application Number:
JP2015169950A
Publication Date:
March 09, 2017
Filing Date:
August 31, 2015
Export Citation:
Assignee:
TOYOTA IND CORP
International Classes:
F25B1/00; F25B43/02