Patent · US Active

Air-conditioning apparatus with primary and secondary heat exchange cycles

US9366452B2 · kind B2 · utility

5Cited by
7References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 10, 2009
Grant dateJun 14, 2016
Priority date
Expiry dateSep 2, 2030

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02B30/70
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

An air-conditioning apparatus capable of achieving enhancement of the system COP while suppressing product cost. The air-conditioning apparatus controls the difference between the temperatures of brine at a position before and at a position after an indoor heat exchanger or at a position before and at a position after an intermediate heat exchanger to be a preset target value and to be larger at the time of a heating operation than at the time of a cooling operation.

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