ENGINE-DRIVEN HEAT PUMP

Provided is an engine-driven heat pump wherein an optimal main evaporator can be selected according to an outside air temperature or a heating load. The engine-driven heat pump (1) connects a waste heat collector (12) in parallel with an outdoor heat exchanger (11) when the outdoor heat exchanger (1...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SUGIMORI, KEIJI, NARIYASU, HIROKI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS,e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USERAPPLICATIONS COMBINED HEATING AND REFRIGERATION SYSTEMS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
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Beschreibung
Zusammenfassung:	Provided is an engine-driven heat pump wherein an optimal main evaporator can be selected according to an outside air temperature or a heating load. The engine-driven heat pump (1) connects a waste heat collector (12) in parallel with an outdoor heat exchanger (11) when the outdoor heat exchanger (11) functions as an evaporator, wherein a supercooler (13) is connected in parallel with the outdoor heat exchanger (11) and the waste heat collector (12) in the above-mentioned case so that a degree of suction superheat (SHO) can be selected as a control target in place of the respective degrees of superheat of a first expansion valve (31), a second expansion valve (32), and a third expansion valve (33), and the degree of suction superheat (SHO) is selected as a control target of the first expansion valve (31), and the degrees of superheat (SH2, SH3) at the outlets of the second expansion valve (32) and the third expansion valve (33) are employed as the control targets of the second expansion valve (32) and the third expansion valve (33).