| Patents for F24D 11 - Central heating systems using heat accumulated in storage masses (2,832) |
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| 10/21/1993 | DE4212749A1 Heating system with dual fuel or solid fuel and gas or oil burners - interrupts supply to buffer storage when fuel burning is switched over to oil or gas |
| 09/29/1993 | EP0561776A1 Thermal energy storage apparatus. |
| 09/22/1993 | EP0561032A1 Heat accumulator as storage buffer for room heating |
| 09/15/1993 | CN1022132C Pipe apparatus in heat accumulator |
| 08/31/1993 | US5239838 Heating and cooling system having auxiliary heating loop |
| 07/29/1993 | DE4201580A1 Underground storage installation for waste heat energy for re-use in buildings - has disused mine workings bricked up and thermally lined, containing heat exchanger and fluid or solid material |
| 07/29/1993 | DE4201579A1 Above-ground storage installation for waste heat - has heat-insulated waste dumps from potash mfr. landscaped with internal heater and heat exchanger for re-use in residential or industrial buildings |
| 07/20/1993 | US5228310 Solar heat pump |
| 07/14/1993 | EP0550499A1 Improvements relating to central boiler systems. |
| 07/06/1993 | US5224466 Process for converting solar energy into heat and device for implementing the process |
| 06/02/1993 | EP0544197A1 Hot water heating installation for building |
| 05/11/1993 | US5209286 Ground open-air heat exchange, open-air conditioning system, and method |
| 05/06/1993 | DE4236967A1 Heating system with circulating pump - has hot-water storage tank in series with primary branch of heat-exchanger |
| 04/29/1993 | DE4134931A1 Building of at least two storeys - has heat storage core formed as integral part of structure, with heat source in core lower level |
| 04/29/1993 | DE4134749A1 Solar energy plant - comprises solar collector, solid material accumulator and heat pump, used for air heating with possible copper@ tube heating circuit for garden shower |
| 04/01/1993 | DE4131989A1 Extraction of heat from below ground - involves deep situated heat-exchangers heating cold water supplied from surface subsequently pumped back up to ground level |
| 03/09/1993 | US5193138 Off-peak thermal storage system providing a plurality of selected temperature outlets |
| 03/09/1993 | US5192022 Fuel-fired heat pump system |
| 03/03/1993 | EP0484358B1 Process and device for converting solar energy to heat |
| 02/03/1993 | EP0525294A1 Process and device for returning condensate of a long-distance steam line in a steam heating plant |
| 01/28/1993 | DE4124674A1 Conservation of solar generated heat - heated air circulation to store sun's energy in building fabric until required |
| 01/21/1993 | WO1993001457A1 Equipment for utilizing solar energy |
| 01/07/1993 | DE4211576A1 Heating system using heat pump and ground probe - uses heat provided by probe transferred to refrigeration medium via evaporator heat exchanger |
| 12/30/1992 | EP0520056A1 Power generating plant in combined heat and power generation technique |
| 11/24/1992 | US5165466 Modular heat exchanger having delayed heat transfer capability |
| 11/05/1992 | DE4114076A1 Solar heating with water-filled main energy storage - comprises insulated flexible sleeve inside insulated wooden tank and coupled to solar collectors and other storage containers |
| 10/15/1992 | WO1992017664A1 Temperature regulation of various building parts of houses |
| 10/08/1992 | DE4100009A1 Solar heater for domestic hot water - incorporates collector connected to storage cylinder through pump which pumps cold water into it for heating |
| 09/01/1992 | US5142882 Solar heat pump |
| 08/20/1992 | DE4209251A1 Heat buffer storage system esp. for sun-blind - filled with latent heat storage medium absorbing heat from hot room and releasing heat in cooler phase |
| 08/01/1992 | CA2060438A1 Heat storage composition and process for preparing the same |
| 07/23/1992 | WO1992012387A1 Power generating plant in combined heat and power generation technique |
| 07/23/1992 | DE4101644A1 Heat pump system using Peltier elements supplied with current - has unit supplying medium to be cooled to cold side of Peltier elements and unit removing heated medium at hot side |
| 06/16/1992 | US5121789 Warm climate solar building |
| 06/11/1992 | DE4038963A1 Heating system - comprises storage tank connected to heat source and divided into separate compartments connected by pipe |
| 06/03/1992 | EP0488064A1 Process for heating a building. |
| 05/26/1992 | US5115969 Floor structure and construction method |
| 05/13/1992 | EP0484358A1 Process and device for converting solar energy to heat. |
| 04/16/1992 | WO1992006336A1 Improvements relating to central boiler systems |
| 04/14/1992 | US5103802 Thermosyphon heat-storage and backup heat apparatus |
| 03/19/1992 | DE4029355A1 Stratified warm water storage vessel - has two perforated horizontal plates with packs of salts between in water reservoir to prevent disturbance |
| 02/25/1992 | US5090136 Paint booth thermal reclamation system for space heating |
| 02/20/1992 | DE4112980A1 Energy saving heating system - can utilise heat from solar panels or from conventional heater |
| 02/04/1992 | US5086493 Electric thermal storage boosted heat pump air heating apparatus |
| 12/14/1991 | CA2044448A1 Integrated heating, cooling and ventilation system |
| 12/10/1991 | CA1292873C Air conditioning system |
| 11/08/1991 | WO1991017403A1 Thermal energy storage apparatus |
| 11/07/1991 | DE4014160A1 Current requirement equalisation method for building heating - using selective switching in of heat pump dependent on current availability |
| 11/06/1991 | EP0455184A1 Process for heating and/or cooling a building with solar energy using transparent insulation and plant for utilizing same |
| 10/29/1991 | US5060718 Precast wall with thermic regulation elements |
| 10/08/1991 | US5054540 Thermal energy storage apparatus |
| 09/17/1991 | US5048507 Endothermic building |
| 09/10/1991 | US5046551 Long term thermal energy production, storage and reclaim system |
| 08/13/1991 | US5038850 Cooling and heat accumulating type electric cooling and heating system and a method for implementing the same |
| 06/26/1991 | EP0433869A1 Precast wall with thermic regulation elements |
| 06/12/1991 | EP0431760A2 A method for air conditioning and supplying hot/cold water |
| 06/05/1991 | CN1051971A Method for air conditioning and supplying hot/cold water |
| 05/25/1991 | CA2029445A1 Method for air conditioning and supplying hot/cold water |
| 05/23/1991 | DE3935932C1 Heating unit with solar collector - has balance tank selectively by=passed by branch pipe and ON-OFF valve |
| 05/16/1991 | DE4035626A1 Cold and heat storage system - has solid storage material between convection preventing layers in storage chamber |
| 04/09/1991 | US5005371 Adsorption thermal storage apparatus and adsorption thermal storage system including the same |
| 04/03/1991 | EP0420220A1 Installation for the heating or cooling of fluids |
| 03/07/1991 | DE3929317A1 Thermodynamic system using combustion engine - has absorption heat pump for waste heat recovery for max efficiency |
| 01/29/1991 | WO1991002199A1 Process and device for converting solar energy to heat |
| 01/29/1991 | CA2065391A1 Process and device for converting solar energy to heat |
| 01/01/1991 | US4981263 Paint booth thermal reclamation system for space heating |
| 12/11/1990 | US4976464 Fuel-fired heat pump system |
| 11/29/1990 | DE4014712A1 Heat storage unit combined with heating plant - includes four-way mixer to control circulation and hot water storage in conjunction with other valves |
| 11/15/1990 | WO1990013776A1 Heating/cooling system and method |
| 11/06/1990 | US4967729 Solar-system house |
| 10/31/1990 | DE3913552A1 Conservatory roof made from transparent plastics panels - which have internal passageways for circulating heat absorbing liquid |
| 10/17/1990 | CN2064027U Semiconductor refrigeration bottle |
| 10/11/1990 | DE4007228A1 Multi functional central heating system for private or industrial use - comprises heat storage container coupled to heat source and flow heat exchanger connected to fresh water supply |
| 09/18/1990 | US4956977 Adsorption apparatus used as an electro-heating storage |
| 09/10/1990 | CA2011847A1 Fuel-fired heat pump system |
| 09/05/1990 | EP0385700A1 Heat exchange unit, heat exchange system, method of improving heat exchange efficiency, and refrigeration circuit |
| 08/16/1990 | EP0382456A1 Improvements in or relating to buildings |
| 08/15/1990 | CN2060521U Thermal insulation heater |
| 08/02/1990 | DE3902258A1 Apparatus for storing liquid |
| 07/26/1990 | WO1990008290A1 Paint booth thermal reclamation system for space heating |
| 07/11/1990 | CN1008768B Air conditioning system for buildings |
| 06/26/1990 | US4936110 Method and arrangement for withdrawing heat from a space which is exposed to a natural heat influence |
| 06/05/1990 | CA1269903A1 Solar heat collecting module |
| 05/30/1990 | CN1042603A Pipe apparatus in heat accumulator |
| 05/17/1990 | WO1990005271A1 Pipe apparatus in heat accumulator |
| 05/08/1990 | US4922998 Thermal energy storage apparatus |
| 05/03/1990 | WO1990004743A1 Community thermal energy exchange system |
| 04/25/1990 | CN1041630A Floor structure and construction method |
| 04/24/1990 | US4919245 In a building heating system |
| 04/19/1990 | DE3835096A1 Layered hot-water storage tank |
| 04/11/1990 | EP0191801B1 Residential heating, cooling and energy management system |
| 03/27/1990 | US4911359 Apparatus for and method of recovering chimney heat |
| 03/20/1990 | US4909312 Interface equipment between a heat pump and a buried heat exchanger |
| 03/20/1990 | US4909041 Residential heating, cooling and energy management system |
| 03/14/1990 | EP0358041A1 Process for heating a building, and heating installation |
| 03/13/1990 | US4907738 Heat pump |
| 02/20/1990 | US4901537 Solar heat collector system |
| 01/16/1990 | US4893476 Three function heat pump system with one way receiver |
| 12/14/1989 | DE3917930A1 Heating installation |
| 12/14/1989 | DE3813669A1 Heat-pump installation |