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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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. |
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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... |
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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... |
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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... |
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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. |
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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... |
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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... |
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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... |
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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... |
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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. |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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,... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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).... |
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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... |
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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... |
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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... |
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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... |