Patents
Sitemap › F24 - Heating; Ranges; Ventilating › F24D - Domestic- or space-heating systems, e.g. central heating systems; Domestic hot-water supply systems; Elements or components therefor › F24D 3 - Hot-water central heating systems
Patents for F24D 3 - Hot-water central heating systems (9,097)
09/1989
09/20/1989EP0333032A1 Temperature control for building spaces
09/12/1989US4865120 Floor structure for heating
09/06/1989CN2044049U Heating pipeline and its three-way shunting adjustable valve
09/05/1989US4862834 Open hot water heater
08/1989
08/30/1989EP0330648A2 Heating installation with at least one heating device for a heat carrier agent
08/29/1989US4860951 Heating apparatus, especially a vehicle auxiliary heating apparatus
08/23/1989CN2043284U Domestic central water-heating miniature circulating pump
08/22/1989US4858680 Door saddle for baseboard heating
08/16/1989EP0327974A1 Heaters
08/10/1989WO1989007224A1 A heat installation for premises with water as a heat transmitting medium
08/01/1989US4852315 Readjustable floor system
08/01/1989CA1258025A1 Connecting apparatus for a radiator
07/1989
07/27/1989DE3800880C1 Prefabricated damper register composed of tubes to which fluid can be admitted for a floor-, wall- or ceiling-heating system
07/26/1989CN2041786U Constant pressure three-purpose boiler
07/26/1989CN2041734U Domestic pump for central heating
07/19/1989CN2041403U Small-size hot water heating device
07/19/1989CN2041402U Multifunction high-efficiency household stove
07/18/1989US4848655 Dual heating system
07/18/1989US4848391 Expandable manifold for water delivery system
07/13/1989DE3743771A1 Heating-circuit distributor
07/05/1989EP0322875A2 Clamping element and device for anchoring clamping elements
07/04/1989US4844334 Method of setting the output of a pump
06/1989
06/28/1989EP0321802A1 Array of a heat transfer device to be suspended under a ceiling
06/22/1989DE3840977A1 Hot-water storage apparatus
06/22/1989DE3741663A1 Central heating boiler
06/21/1989EP0320678A2 Appliance for heating and storing supply water
06/15/1989WO1989005425A1 Heat-exchanger for air-conditioning room by low-temperature infrared radiation
06/14/1989EP0320349A1 Room air conditioning device for heat energie exchange by infrared radiation low temperature
06/08/1989DE3740137A1 Method of protecting water circuits in buildings connected directly to district heating networks
05/1989
05/11/1989DE3737137A1 Warm-water closed-circuit heating system
05/11/1989DE3736676A1 Method for meeting the demand for electricity and heat of dwelling houses and small enterprises
05/10/1989EP0315578A2 Heating with water circuit
05/03/1989EP0313829A1 Leading element for a plastic pipe, usage for the same and method of laying heating tubes
05/03/1989EP0313599A1 Device for expansion transfer in liquid cycle systems, in particular of heating and cooling installations.
05/03/1989DE3832399A1 Pipe-retaining means and process for mounting a pipe by means of a pipe-retaining means
05/02/1989CA1253385A1 Bay window with ventilator
04/1989
04/26/1989EP0312903A1 Apparatus for heat generating installations, for example heating installations, or for heat loss producing installations
04/19/1989EP0312505A1 A distribution and shut-off device for hydraulic systems, particularly for domestic water systems
04/18/1989CA1252852A1 Process for the modification of an existing heating installation, and device for use in said process
04/13/1989DE3832305A1 Plate heat exchanger, in particular for water heaters
04/04/1989US4817707 Heating soft floor mat
04/04/1989US4817349 Apparatus for heating, ventilating, cooling and regulating the temperature of rooms of a building
03/1989
03/30/1989DE3731195A1 Device for the distribution of pipes in heating installations with a flow and a return chamber
03/29/1989EP0309440A2 Heating plant
03/23/1989DE3828396A1 Arrangement for heating the heat transfer medium of a heating circuit and for heating domestic water
03/16/1989DE3710060C1 Process for producing a composite panel for a floor heating system
03/14/1989US4811543 Process for installing plastic pipes in a plaster floor layer
03/09/1989WO1989002053A1 Heating or cooling arrangement
03/08/1989EP0305813A1 Open water heater
03/08/1989EP0305416A1 Heat recuperation device, for use during the operation of a heat pump system.
03/01/1989EP0304433A1 A modular plate for thermic systems
02/1989
02/21/1989US4805590 Gas space heating unit
02/09/1989DE3823578A1 Pipe-securing band and process and apparatus for producing the same
02/08/1989EP0302083A1 Mixer valve for heating plant.
02/02/1989DE3724068A1 Device in a water heater for preventing dripping
02/01/1989EP0301416A1 Instantaneous hot water storage heater
02/01/1989CN2031891U Windowsill type heating radiator device
01/1989
01/26/1989WO1989000663A1 Manifold
01/25/1989EP0300210A1 Tube support
01/25/1989CN1030635A Flow speed equalizer for branches of pipe line
01/18/1989EP0299909A1 Ceiling made of metal plates
01/18/1989EP0299471A2 Liquid respectively gas cycle, particularly for a hot water or a heating water system
01/18/1989CN2031073U Circulator for civil home-made centrul heating
01/17/1989US4798240 Integrated space heating, air conditioning and potable water heating appliance
01/10/1989CA1248421A1 Combination discharge and supply fitting for hot water tank
01/05/1989DE3720554A1 Structural element in the form of a panel
01/05/1989DE3717577A1 Heating panel
01/04/1989CN2030294U Steel bottle type multifunctional heating stove
12/1988
12/29/1988WO1988010402A1 Ventilation equipment
12/21/1988CN88102154A Control method for providing heat energy of heat energy transfering apparatus
12/20/1988US4792091 Method and apparatus for heating a large building
12/13/1988US4790478 Greenhouse heating by means of immersed water-bed (basin)
12/01/1988EP0281556A4 Heating system using a liquid heater as the source of heat.
11/1988
11/30/1988EP0292814A1 Expansion and pressure control device for circulating flows of liquids
11/17/1988WO1988008943A1 Device for expansion transfer in liquid cycle systems, in particular of heating and cooling installations
11/17/1988EP0290754A1 Industrial floor with under floor heating
11/15/1988US4784181 Expansion tank with a bladder-type diaphragm
11/08/1988US4782889 Low mass hydronic radiant floor system
11/08/1988US4782815 Liquid-backed gas-fired heating system
11/01/1988CA1244112A1 Means for setting the switching on and off periods of a burner of a hot water heating installation
10/1988
10/27/1988DE3713203A1 Surface heating
10/20/1988DE3712086A1 Gas space heater unit
10/19/1988EP0174331B1 Sanitary system for supply of hot and cold water
10/12/1988EP0286628A2 Method of warm and/or hot water heating and storage power station for the execution of the method
10/05/1988CN87206812U Hot waler heating system water auto-feeding apparatus
09/1988
09/29/1988DE3708449A1 Process for controlling underfloor heating
09/22/1988WO1988007158A1 A modular plate for thermic systems
09/22/1988DE3708403A1 Floor-heating system in conjunction with heating radiators (heating elements)
09/22/1988DE3707678A1 Apparatus for steam tapping and drainage (dewatering) of steam pipelines with simultaneous heat delivery to heat consumers, preferably as a house station of steam-type district-heating systems
09/22/1988DE3707578A1 Storage-type domestic water heater
09/21/1988EP0282886A2 Process for regulating the start temperature in a heat transfer system
09/14/1988EP0281556A1 Heating system using a liquid heater as the source of heat
09/14/1988CN87203283U Automatic voltage-stabilizing expension device
09/13/1988US4770341 Manifold
09/13/1988US4770233 For greenhouses
09/08/1988DE3702395A1 Plastic clip
08/1988
08/31/1988EP0279939A1 Method for adjusting the feed volume of a circulation pump
08/30/1988US4766951 Radiant, linear panels
08/25/1988WO1988006259A1 Structural element for surface heating and cooling systems and process for manufacturing such elements
08/25/1988WO1988006258A1 Heat recuperation device, for use during the operation of a heat pump system
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