Local heating system using solar, geothermal and heat pump sources - has heating water storage and domestic hot water storage heated by coil heat exchangers supplied with heated fluid. May 1981.
Paper abstract bibtex The local heating system is partic. applicable to groups of domestic dwellings and comprises: a reservoir (1) of hot water for heating usage which is circulated through a heating circuit (2,3) by a circulation pump (5) and a solar energy collector (10) supplying a circuit (8,9) with a heat exchanger (7) in the reservoir (1). A heat pump (16) supplies a circuit (14,15) with a heat exchanger (13) in the reservoir (1). A geothermal energy collector (17) supplies the input circuit (18,19) to the heat pump. Each circuit has a pump and control valves incorporated. The heating circuit (2,4) has a mixing valve (4) to mix some of the return water in the heater inlet when the temp. in the heating circuit exceeds a set value. A source of hot water for domestic hot water is also incorporated (30,31,32) and is driven off the solar, geothermal and heat pump heat sources.
@patent{noauthor_local_1981,
title = {Local heating system using solar, geothermal and heat pump sources - has heating water storage and domestic hot water storage heated by coil heat exchangers supplied with heated fluid},
url = {https://patents.google.com/patent/FR2505990A1/en},
abstract = {The local heating system is partic. applicable to groups of domestic dwellings and comprises: a reservoir (1) of hot water for heating usage which is circulated through a heating circuit (2,3) by a circulation pump (5) and a solar energy collector (10) supplying a circuit (8,9) with a heat exchanger (7) in the reservoir (1). A heat pump (16) supplies a circuit (14,15) with a heat exchanger (13) in the reservoir (1). A geothermal energy collector (17) supplies the input circuit (18,19) to the heat pump. Each circuit has a pump and control valves incorporated. The heating circuit (2,4) has a mixing valve (4) to mix some of the return water in the heater inlet when the temp. in the heating circuit exceeds a set value. A source of hot water for domestic hot water is also incorporated (30,31,32) and is driven off the solar, geothermal and heat pump heat sources.},
urldate = {2017-12-22TZ},
month = may,
year = {1981}
}
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