Title: Heat-pump system for hot-water room-heating

Abstract: A heat pump system for space heating by hot water using external air as a source of heat with an air cooler acting as evaporator, a compressor and a condenser for heating the water, with the heat pump capable of operating in two temperature ranges if the external temperatures are low. The system also includes a hot-water storage vessel and water cooler and a defrosting regulator to defrost by hot compressed, evaporated cooling agent.

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Inventors: Ledermann, Hugo (Stafa, CH)

Application Number: 515077
Filing Date: 1974-10-15
Publication_date: 1976-06-01
Assignee:
Primary Class(es): 62/324.3 62/160
Other Classes:
US Patent Ref:

2619326	Nov, 1952	McLenegen	62/238.
2713252	Jul, 1955	Jackson	62/324.
2720083	Oct, 1955	Garland	62/279.
2751761	Jun, 1956	Borgerd	62/324.
3240028	Mar, 1966	Redfern	62/324.

Other Refs:
Primary Examiner: King, Lloyd L.
Assistant Examiner:
Attorney: Flocks; Karl W.