Patent · US Expired

Outdoor heat exchanger unit, outdoor unit, and gas heat pump type air conditioner

US6769481B2 · kind B2 · utility

14Cited by
4References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 26, 2001
Grant dateAug 3, 2004
Priority date
Expiry dateOct 26, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/12
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

An object of the present invention is to provide an outdoor heat exchanger unit which is hardly effected adverse effects of the gas engine waste heat during the cooling operation and which can improve an efficiency of the refrigerant cycle, and which can improve the heating ability by utilizing the gas engine waste heat; an outdoor unit comprising the outdoor heat exchanger unit; and an air conditioner comprising the outdoor heat exchanger unit; in order to achieve the object, the present invention provide an outdoor heat exchanger unit for a gas heat pump type air conditioner, in which a compressor for compressing a refrigerant is driven by a gas engine, and which comprises a heat pump for utilizing waste heat of said gas engine to perform a heating and a cooling operations: wherein said outdoor heat exchanger unit comprises a radiator provided in a cooling water system in which cooling water for said gas engine circulates and an outdoor heat exchanger apparatus provided in a refrigerant circuit in which said refrigerant circulates; said radiator and said outdoor heat exchanger apparatus are arranged in series in the flow direction of an outdoor air introduced in said outdoor heat…

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