Patents for F24D 19 - Details (15,010)
02/1990
02/14/1990EP0354427A2 Differential pressure control valve
02/08/1990DE3790110C2 Bracket for mounting radiators
02/07/1990CN2052497U Water cleaning device with flow-plate
02/06/1990US4899031 Pulsed electrical heating of concrete
02/01/1990DE3901323C1 Radiator drain valve
01/1990
01/31/1990EP0352401A1 Process for regulating the amount of heat carried to the consumers of a heating system and control unit.
01/30/1990US4896658 Hot water supply system
01/25/1990DE3923030A1 Control system for a circulating water heater
01/25/1990DE3824915A1 Load-bearing dowel for articles or appliances which are to be fastened in a suspended manner on a wall, at a distance therefrom
01/24/1990EP0351716A2 Circulation water heater control
01/17/1990EP0351271A1 Coupling of two electrical motors
01/11/1990DE3823281A1 Heating element
01/11/1990DE3822806A1 Air-bleeding device for radiators and other closed fluid systems
01/10/1990EP0349984A1 Washing device for parts of human body
01/03/1990CN2050563U 散热器排气阀 Radiator exhaust valve
12/1989
12/21/1989DE3820467A1 Method for controlling a heating installation
12/20/1989EP0346977A1 Water heater
12/14/1989DE3917930A1 Heating installation
12/06/1989EP0344355A1 Hot water supply system
12/05/1989US4885141 Container covers of water soluble glasses give sustained release of chemicals; for radiators, hot water systems
12/05/1989US4884743 Method of and plant for regulating the temperature of a heat carrier fluid
11/1989
11/30/1989DE3817076A1 Planar metal air humidifier
11/29/1989CN1037578A Heat supply system using pressureless boiler
11/23/1989EP0343128A2 Heating system including an assembly for automatically adjusting the temperature of the heating water
11/16/1989DE3914581A1 Hot-water storage tank
11/15/1989EP0341959A2 Heating system control
11/15/1989CN2047760U Single-pipe by-pass heating system
11/02/1989DE3813825A1 Method for regulating the circulating pump of a heating system
11/02/1989DE3813654A1 Circulation pump
10/1989
10/26/1989DE3838715A1 Heating programmer
10/19/1989DE3910759A1 Radiator bracket
10/18/1989EP0337941A1 Device for preventing furring and corrosion
10/18/1989EP0337922A2 Heating plant
10/18/1989CN1036448A Pollution-preventing and quatity-limiting air supplementing method for air-supplemented pressure water-supply apparatus
10/12/1989DE3809251A1 Heating installation and method of operating a heating installation
09/1989
09/28/1989DE3808890A1 Method for ventilating a room
09/27/1989EP0334797A2 Hot-water tank
09/27/1989EP0333763A1 Control device for a radiator valve.
09/21/1989DE3807465A1 Arrangement for collecting and discharging liquids
09/14/1989DE3807327A1 Hot water heating unit
09/13/1989EP0332606A2 Device for heating domestic water
09/08/1989WO1989008227A1 Central heating system with arrangement and application for eliminate oxygen from water
09/06/1989CN2044049U Heating pipeline and its three-way shunting adjustable valve
09/05/1989US4863100 Electronic flow controller for hydronic heating systems
08/1989
08/30/1989CN2043729U Automatic exhaust valve sealed with ball
08/30/1989CN2043728U Expansion fastening device for fin and tube type radiator
08/30/1989CN2043727U High-pressure full circulating radiator
08/30/1989CN2043726U Electric water heating device
08/29/1989US4860552 Heat pump fan control
08/22/1989US4858632 Pneumatic desedimentation machine
08/17/1989DE3803354A1 Method and apparatus for adjusting radiator bleed valves
08/09/1989CN2042576U Calandria radiator with outer cover
08/08/1989CA1258308A1 Hot water heating system having minimum hot water use based on minimum water temperatures and time of heating
08/08/1989CA1258238A1 Method and apparatus for reducing the gas content of a liquid
08/03/1989DE3804647C1 Heating-up circuit of a storage domestic-water heater
08/01/1989US4852360 Heat pump control system
08/01/1989CA1258025A1 Connecting apparatus for a radiator
07/1989
07/20/1989DE3827824A1 Method and device for testing a safety temperature cutout (limiter)
07/19/1989EP0232278B1 Real time testing of weather-related behaviour of buildings
07/18/1989US4848655 Dual heating system
07/13/1989DE3820429A1 Process for operating heating installation, and heating installation
07/04/1989US4844334 Method of setting the output of a pump
06/1989
06/29/1989WO1989005429A3 Non-temperature cycling cryogenic cooler
06/29/1989DE3829783A1 Section-regulating valve for heating systems
06/22/1989DE3743479C1 Device for removing oxygen
06/15/1989WO1989005429A2 Non-temperature cycling cryogenic cooler
06/15/1989DE3741374A1 Drain valve, in particular for heated containers
06/14/1989EP0319738A2 Panel-type radiator
06/14/1989CN2039399U Plug-type automatic water supply system
06/08/1989DE3743031A1 Arrangement for altering radiation transmission
05/1989
05/30/1989US4835072 Apparatus employing an aqueous solution
05/30/1989US4834284 Hot water control
05/24/1989EP0316496A1 Method for regulating the temperature of a central heating installation
05/24/1989DE3838513A1 Panel-type radiator
05/24/1989DE3738773A1 Control system for switching on and off a heating boiler and a circulating pump
05/11/1989DE3736658A1 Heating installation with a continuous-flow water heater and a hot-water storage tank
05/10/1989EP0315578A2 Heating with water circuit
05/09/1989US4828169 Adjustable air valve
04/1989
04/27/1989DE3735068A1 Load-bearing dowel for objects or apparatuses which are to be fastened in a suspended manner on a wall, at a distance therefrom
04/26/1989CN2036633U Automatic pressure-stabilizing device of water heater
04/18/1989CA1252852A1 Process for the modification of an existing heating installation, and device for use in said process
04/13/1989DE3830606A1 Kessel fuer die warmwasserbereitung Boiler for the water heating
04/06/1989DE3810739C1 Safety device for a distant-heating transfer station
04/06/1989DE3732833A1 Heating plant control method, in which a rough regulation of the heating inlet temperature that can be achieved by on/off operation of the heat source is performed
04/05/1989CN2035442U Automatic exhausting & aerating tank
03/1989
03/30/1989DE3830646A1 Spacer for panel radiator
03/29/1989EP0308848A2 Method and device for temperature control of the heating medium of a closed loop heating system with minimum temperature limitation
03/29/1989EP0308806A2 Selfadaptive control-method for temperature regulation of at least one space of a building
03/28/1989US4816083 Manual and automatic combination
03/23/1989DE3828396A1 Arrangement for heating the heat transfer medium of a heating circuit and for heating domestic water
03/16/1989DE3815421A1 Method for switching a heat pump heating system
03/15/1989CN2034252U Full-automatic cold-hot water supplying machine
03/09/1989WO1989002053A1 Heating or cooling arrangement
03/09/1989DE3828172A1 Radiator bracket
03/09/1989DE3728730A1 Apparatus for conditioning room air
03/08/1989EP0306235A2 Control apparatus for water temperature and water flow rate
03/02/1989DE3727442A1 Method for producing hot water and apparatus for carrying out this method
03/01/1989EP0304775A1 Circulation pump with an integrated flow control device
03/01/1989CN2033480U Moveable gas burner water heating radiator
02/1989
02/16/1989DE3726505A1 Method for operating a building heating installation and apparatus for carrying out the method