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6877670 |
Boiler ventilation system
A method of ventilating a boiler system ( 10 ) during boiler system outages includes shifting ( 64 ) to the ventilation system ( 11 ) by stopping ( 70 ) the boiler system induced draft fan ( 32 ),...
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6857578 |
Combination water heating and space heating apparatus and control therefor
A combination water heating and space heating apparatus includes a water heating unit and a space heating unit. The water heating unit has a water storage tank, a heating device for heating water...
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6813631 |
Automatic self configuration of client-supervisory nodes
A system of controllers act as nodes on a network. One controller is identified as a supervisory node and the remaining controllers are identified as client nodes with the supervisory node and each...
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6647302 |
Human interface panel for boiler control system
A method of analyzing information from a boiler control system includes providing a series of status modes with each status mode represented as an input condition to be tested. A relative priority...
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6536678 |
Boiler control system and method
A method for operating a boiler including sensing a demand for heat and generating and ignition request to a flame safety controller. An ordered succession of evaluation modes compares normal...
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5964215 |
Heating installation with closed liquid circuit
The invention relates to a heating installation comprising a closed liquid circuit which is under pressure during operation, in which are incorporated a heating boiler in which heat is supplied to...
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5881952 |
Heater for liquids
A heating system is provided with a closed circuit system for a first liquid, a pass-through system for a second liquid and a controller. The closed circuit system has a primary heater with a first...
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5118039 |
Domestic hot water heating control circuit for furnace control systems
Domestic hot water heating control circuit is used in conjunction with a furnace control unit of a hot air furnace system which utilizes a hot water heat exchanger. The hot water control circuit...
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5060601 |
Water-tube boiler and a heating installation equipped with such a boiler
A water-tube boiler is disclosed, comprising a body in which are located the furnace and a series of vertical tubes serving as heating and exchange surface between the furnace and the water to be...
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4714194 |
Housing for wall mounted heating unit
A sheet metal housing for containing a heater unit including an electric resistance heating element and a fan for circulating air through the heating element, and for protectively supporting such a...
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4705213 |
Heat unit recycler
A heat unit recycler for the exchange of air in a room includes an enclosed tank containing a liquid to be heated. A heating mechanism is provided for heating the liquid in the tank and a...
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4638943 |
Method of heating any building or room and apparatus for carrying out the said method
The present invention relates to a method and an apparatus for heating a building, room or any like space characterized in that it combines into a unit a hot-water generator constituted by a fan...
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4519540 |
Sealed gas heater with forced draft and regulation by microprocessor
The invention concerns a control device for gas boilers. The overall functions involving control and safety are ensured by a control box (26) with microprocessor which centralizes data collected...
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4496099 |
Low pressure heating system
A low pressure system for extracting heat from the fire combustion zone within a fireplace, wood or coal burning stove, or the like, and for automatically distributing it within a region adjacent...
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4424934 |
Hot water heating system
A hot water heating system wherein an air-to-water heat exchanger is attached to the outside of a jacketed space heater, and a fan draws hot air through an opening in the jacket and downward...
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4337893 |
Multi-phase modular comfort controlled heating system
A circulating fluid that is heated by a number of gas-fired burner assemblies is used to heat a space either through a hot water system or a forced air heating system. Each burner assembly includes...
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4257556 |
Fluid heat transfer system
Only a limited number of organic or silicone liquid phase thermal exchange fluid types are suitable for operation over a wide range of hot and cold temperatures and these have an undesirable...
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4243176 |
Sealing and air/fuel mixture flow metering plate for gas furnaces
An orifice plate for metering a mixture of fuel and air to a blower for supply of the mixture to a burner positioned in a central plenum of a heat exchange system, the present plate further...
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4158438 |
Self-pumping water boiler system
A package heat exchange system using an expanded surface gas-fired burner to supply heat via a heat exchange coil in a dome above the extended surface heat exchanger which heats domestic hot water...
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3640456 |
SELF-CONTAINED STEAM HEATING UNIT
The invention is in a self-contained steam heating unit for heating an area or room, said unit being self-contained and not requiring any permanent connection or attachment to a liquid or heat...
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3404674 |
Heat exchange apparatus for the employment of flue gas heat
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3365133 |
Heat powered portable fluid heaters
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3277275 |
Self-contained hot water space heater
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3210005 |
Steam heating system
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3201045 |
Combined space heating and domestic hot water heating system
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3201005 |
Fertilizer distributor
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3140824 |
Steam heating system
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