Matches 1 - 42 out of 42


Match Document Document Title
US20130126625 Fuel Cell Heat Pump  
A heating, ventilation, and air conditioning (HVAC) system includes a fuel cell configured to generate electricity and rejected heat, a hydronic coil, and a circulatory loop configured to...
US20050072853 Installation for the preparation of hot water  
Disclosed is an installation for the preparation of hot water. The installation includes a cold water reservoir, a heating unit, a cold water pipe between the cold water reservoir and the heating...
US20150034730 HEATING AND HOT WATER SUPPLY SYSTEM  
The system includes: a heat pump unit; a hot water supply heat exchanger; heating heat exchangers; a pump; heat medium pipes that connect a discharge side of the pump, the heat pump unit, the hot...
US20150014425 HEATING UNIT  
A heating apparatus includes two heating circuits (3, 4), one for room heating (3) and one for domestic water heating (4). A primary heat exchanger (1) is provided as well as at least one...
US20090078783 SECONDARY HEATING AND COOLING SYSTEM  
A heating and cooling system operates in a supplemental heating mode or a supplemental cooling mode. In supplemental heating mode, the system carries water from a hot water supply of the water...
US20070187521 Modular heat distribution unit for hydronic heating systems  
A compact modular heat distribution unit for a hydronic heating system connects to a hot water source, to supply and return pipes that lead to heating zones of the building, and, optionally, to an...
US20090224062 Increased efficiency heating system method and apparatus for concrete production  
In a system wherein a fossil fuel fired burner heats incoming well or municipally supplied water to a temperature required for industrial concrete production, the exhaust gases produced by the...
US20130105589 TANK-TANKLESS WATER HEATER  
A tank-tankless water heater includes primary and secondary heat exchangers, and a combustor for the production of flue gases. In operation, water is first heated as the water and flue gases flow...
US20080191046 Boiler with an Adjacent Chamber and an Heliciodal Heat Exchanger  
Disclosed is a boiler for providing hot water to a heating system of a building and for simultaneously producing hot domestic water. This boiler comprises a heating tank provided with a water...
US20070084942 Domestic heat and power system  
This invention relates to domestic heat and power systems that allow efficient methods of operating a domestic combined heat and power (dchp) unit and to energy-efficient methods of scheduling...
US20060102733 Combustion air intake filter  
An air intake filter for a water heater including a frame structure including a screen, a connector and a receiver positioned to removably engage the connector to position the frame structure at...
US20140034742 System for the Heating of Two Mutually Separated Liquids  
The invention relates to a system for heating two mutually separated liquids, wherein a first liquid is intended for heating a building and wherein the second liquid is tap water.
US20080142609 Domestic Water Heater and Method For Heating Water For Domestic Use  
The invention relates to a domestic water heating unit (10) for mobile applications, with a domestic water storage unit (12). The invention provides that the domestic water heating unit (10) has a...
US20060022062 On-cue hot-water circulator  
The current invention is an on-cue hot-water circulator. This device and method consists of an electronic control module, a manifold containing a check valve and/or a normally closed solenoid...
US20070295826 System For Delivering Warmed Fluids  
A fluid system is provided comprising: a heater having an inlet and an outlet; a storage vessel; storage vessel heating means for heating the fluid in the storage vessel; a mixing valve having a...
US20080203179 HOT WATER AND HEATING SYSTEM OPERATING ON THE BASIS OF RENEWABLE ENERGY CARRIERS  
The invention relates to a hot water and heating system, which operates on the basis of renewable energy carriers.
US20080197205 TANK-TANKLESS WATER HEATER  
A tank-tankless water heater includes primary and secondary heat exchangers, and a combustor for the production of flue gases. In operation, water is first heated as the water and flue gases flow...
US20130181060 HOT-WATER STORAGE TYPE HEATING UNIT  
In a hot-water storage type heating unit 1, a liquid-liquid heat exchanger 15, which exchanges heat between a first hot-water circulation circuit 12 through which hot water stored in a hot-water...
US20090090788 CONTROL DEVICE FOR CONSERVING ENERGY OF A WATER HEATER  
A control device for conserving energy for heating water contained in a water heater (30) includes: an electronic detection device (21) for measuring the quantity of hot water remaining in the...
US20090008465 COMBINED HEATING/WARM WATER SYSTEM FOR MOBILE APPLICATIONS  
Combined heating/warm water system (10) for mobile applications, having a warm water accumulator (12) with a recess (14), and a burner (16) which is arranged in the recess (14) of the warm water...
US20070170273 System and method for producing on demand high temperature water  
A system and method for efficiently producing high flow rate on-demand hot water. The system utilizes on-demand hot water heaters, super heated water expansion tanks, and a high flow mixing valve.
US20080265046 TANKLESS WATER HEATER HOT WATER RETURN SYSTEM  
A tankless return hot water return system to facilitate whole-house or whole-building hot water return recirculation used in conjunction with tankless water heaters. The system is designed to...
US20050077368 Senor diagnostic for determining water heater health status  
A method and apparatus for determining a health status of a water heating device is disclosed. The water heating device may have a controller that incorporates logic to regulate the heater...
US20070114297 Thermal expansion bleed-off system  
In combination with a water piping arrangement having a backflow preventer and a water heater with a standard temperature-pressure relief valve, an auxiliary pressure-relief device is installed in...
US20070257123 STORAGE WATER HEATER  
To provide a storage water heater capable of increasing thermal efficiency and quickly boiling when tap water is supplied into a hot-water tank. A storage water heater 1 can heat low-temperature...
US20050001046 System and method for making hot water available in a domestic water installation and domestic water installation  
A method, system and device for making hot water available in a water-supply system is disclosed. The water-supply system includes a source of hot water, a hot-water line and one or more tap...
US20050284949 Compact steam-fed heat exchange system  
A compact tank-less self-contained modular hot water supply system is provided for utilizing steam by-products from boiler systems for on-demand supply of temperature-controlled hot water in high...
US20080264490 Methods and apparatus for heating air with hot water  
A method controls an air handler that generates heated air from hot water generated by a water heater. The method includes generating a signal in the presence or absence of an indicia of water...
US20130219894 HEATING SYSTEM - MODULAR  
A boiler unit comprises an enclosure including: a first circuit of a first fluid heat exchange medium, the first circuit N having a heating device to heat the first medium, a boost heat exchanger,...
US20070040042 Device for dispensing a heated fluid and heating device therefor  
The invention relates to a device and method for dispensing a heated fluid and an external heating device. The device comprises a supply of fluid, a discharge connected to the supply for drawing...
US20070181702 Fluid preheating  
A heating system for preheating a fluid. The heating system comprises a heating unit with a heating flow path; wherein the heating unit is adapted to be operated at a first temperature and to...
US20150204550 MULTI-TEMPERATURE OUTPUT FLUID HEATING SYSTEM  
A multi-temperature output fluid heating system including an input for receiving a fluid supply, a single heating source, a first output, a second output and a bypass path. The first output is...
US20090026281 ENERGY CONSERVATION SYSTEM  
A hot water circuit (50) supplies water to a plurality of rooms (20) in a building from a central water source (22). Each room (20) has a dispenser (24) and an air conditioner (28) and a liquid...
US20100187320 METHODS AND SYSTEMS FOR RECOVERING AND REDISTRIBUTING HEAT  
The disclosed system includes heat exchangers to recover and redistribute heat from and within a building heating and ventilation system and/or a steam system. Certain implementations of the...
US20170082319 HYDRONIC SPACE HEATING SYSTEM HAVING TWO STAGE HEAT PUMP BUFFER TANK  
A hydronic space heating system including a buffer tank defining upper and lower chambers in fluid and thermal communication with one another, the upper and lower chambers being separated by a...
US20160187026 HEATER FOR INDOOR WARMING USING WASTE HEAT OF EXHAUST GAS  
A fan heater for heating using exhaust waste heat, including: a natural exhaust tube discharging some exhaust gas from a water heater; a forced exhaust tube connected to the natural exhaust tube...
US20160178219 COMBINED HOT WATER AND SPACE HEATING AND CONDITIONING SYSTEM INCLUDING HEAT PUMP  
A combined water heating, space heating and space cooling system configured to provide hot water to a point of demand and heat or cool a space. The system comprises a heat pump operably connected...
US20160109141 BOILER CONTROL SYSTEM AND METHOD  
The invention provides a boiler control system based on delayed cycle control, in which the control is implemented by interrupting a heating device enable signal (such as a BMS enable signal)....
US20160047558 HOT WATER SUPPLY AND HEATING SYSTEM  
A hot water supply and heating system 1a includes a heating flow rate changing valve 44 that changes the flow rate of hot water flowing through a heating pipe 46 and a priority controller 53a that...
US20150354831 COMBINED HEATING SYSTEM CAPABLE OF BI-DIRECTIONAL HEATING  
A combined heating system comprising a first heating subsystem including a first fluid conductor, a first heating unit adapted to heat a first fluid and output the first fluid at the outlet of the...
US20150323199 BOILER SYSTEM USING FUEL CELL  
Disclosed is a boiler system using a fuel cell including a boiler installed in a home, a building, or the like, a fuel cell for generating electricity and reaction heat by electrochemical reaction...
US20150300661 HOT WATER-CENTERED COMBINED HOT WATER AND HEATING BOILER  
The objective of the present invention is to provide a hot water-centered hot water and heating combination boiler, in which heat exchange for a hot water supply is performed in a main heat...

Matches 1 - 42 out of 42