Patent · US Active

Refrigeration cycle apparatus

US11041667B2 · kind B2 · utility

0Cited by
2References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 21, 2019
Grant dateJun 22, 2021
Priority date
Expiry dateSep 30, 2039

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF25B2700/1933
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

To achieve higher efficiency at a low-load region and to enable power saving throughout a year. The refrigeration cycle apparatus 1 includes a compressor 4 that has a flow in/out port 4d through which a refrigerant is capable of flowing out and flowing in, in fluid communication with a compression room 4c; pipes 21, 22 disposed at a suction side of the compressor 4; a pipe 25 connected to the flow in/out port 4d of the compressor 4; a pipe 27 that has one end connected to the pipe 25 and an opposite end connected to the pipe 21; and a second solenoid valve 13 for opening and closing a fluid passage of the pipe 27.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.