Patent · US Expired

Refrigerant circulating system

US6032473A · kind A · utility

16Cited by
2References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 24, 1997
Grant dateMar 7, 2000
Priority date
Expiry dateOct 24, 2017

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF25B2700/2108
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A refrigerant circulation system of the present invention includes a compressor, a condenser, a evaporator, a throttle device and a control unit. The control unit controls a composition of a refrigerant circulating in the refrigerant circulation system based on a temperature and pressure of the refrigerant of an inlet and outlet portion of the compressor, condenser, evaporator and throttle device. The control unit controls to open and close the throttle device to change the composition of the refrigerant circulating in the refrigerant circulation system.

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