141 |
Methods and apparatus for heating air with hot water |
US14194752 |
2014-03-02 |
US09810449B2 |
2017-11-07 |
James York; Hugh L. Allen-Magande |
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 flow associated with the water heater; initiating operation of a pump associated with the air handler when the signal indicates that water flow associated with the water heater is at least at a selected level to supply hot water to the air handler sufficient to generate heated air; and/or terminating operation of the pump and/or a blower/fan associated with the air handler when the presence or absence signal indicates that the water flow associated with the water heater is less than the selected level. |
142 |
COMBINED HEATING SYSTEM CAPABLE OF BI-DIRECTIONAL HEATING |
US14732666 |
2015-06-05 |
US20150354831A1 |
2015-12-10 |
Sridhar Deivasigamani; Sivaprasad Akasam |
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 first fluid conductor, and a fluid mover adapted to move the first fluid through the first heating unit, a second heating subsystem including a second fluid conductor adapted to receive a second fluid, a third fluid conductor, a second heating unit adapted to heat the second fluid and output the heated second fluid in the third fluid conductor, a fluid mover adapted to move the second fluid from the outlet of the third fluid conductor to the inlet of the second fluid conductor, at least one heat exchanger operably connected to a downstream location of the first heating unit and a fourth fluid conductor connecting the second fluid conductor and the third fluid conductor. |
143 |
STORAGE BOILER |
US14420323 |
2013-08-13 |
US20150226452A1 |
2015-08-13 |
Matteo Adobati; Alessandro Magno |
A storage boiler, a tank of which has a first chamber for housing a given quantity of water; an inlet for feeding water into the first chamber; an outlet for discharging water from the tank; and a first resistor fitted inside the first chamber to heat the water inside the first chamber to, and keep it at, a standby first temperature; the first chamber housing a tubular body, which houses a second chamber communicating with the first chamber and with the outlet, and housing a second resistor selectively activatable to heat the water flowing through the second chamber to a dispensing second temperature higher than the first temperature. |
144 |
Cogeneration apparatus |
US13275610 |
2011-10-18 |
US09006913B2 |
2015-04-14 |
Yoshiharu Takita |
A cogeneration apparatus includes an electrical generator, an engine for driving the generator, and a heat exchanger for using waste heat of the engine as a heat source, which are housed in a housing. The apparatus is provided with an internal fuel line for supplying fuel to the engine from outside, and power wiring for supplying electrical power generated by the electrical generator to the outside. The housing has a substantially V-shaped lead-out part capable of leading the fuel line and the wiring to outside of the housing. |
145 |
HEAT EXCHANGER |
US14042211 |
2013-09-30 |
US20150090198A1 |
2015-04-02 |
Patrick G. Bell; William N. Beckie |
A heat exchanger which is used primarily in oil and gas operations to heat tanks of liquids, such as drilling mud, water, heavy oil or other such fluids from freezing or becoming too viscous to pump. |
146 |
Dual Sensor Companion Water Heater |
US14163793 |
2014-01-24 |
US20140209042A1 |
2014-07-31 |
Ryan Hardesty; Dan Karch; David King; Aaron Smith |
A hot water heater appliance includes a boiler, companion water heater, and a controller. The companion water heater has a hot water storage tank. The controller is configured to control the water heater appliance in response to a sensed temperature at an upper portion of the hot water storage tank and a sensed temperature at a lower portion of the hot water storage tank. The controller is configured to control the boiler to quickly heat water in the hot water storage tank in response to both upper and lower temperatures of the hot water storage tank being below a predetermined temperature and the controller is configured to more slowly heat water in the hot water storage tank in response to the upper temperature of the hot water storage tank being above the predetermined temperature and the lower temperature of the hot water storage tank being below the predetermined temperature. |
147 |
Companion Water Heater |
US14163561 |
2014-01-24 |
US20140209041A1 |
2014-07-31 |
Ryan Hardesty; Dan Karch; David King; Aaron Smith |
A hot water heater appliance includes a boiler, a companion water heater and a controller. The controller is configured to control the water heater appliance in response to a scheduled plurality of performance modes based on a preset schedule. A first performance mode is scheduled to be performed at an expected low usage time and a second performance mode is scheduled to be performed at an expected high usage time relative to the expected low usage time. |
148 |
WATER HEATING APPARATUS WITH PARALLEL HEAT EXCHANGERS |
US13892920 |
2013-05-13 |
US20130319347A1 |
2013-12-05 |
Gerald A. Fioriti |
A water heating apparatus includes a fluid inlet conduit configured to split into a plurality of supply legs, and a plurality of heat exchangers configured for parallel operation. Each heat exchanger includes an outer housing, an inlet connected to a respective supply leg of the fluid inlet conduit for receiving an inlet flow of liquid into the outer housing, an outlet for allowing an outlet flow of liquid to leave the outer housing, and a heat exchange element positioned within the outer housing and configured to heat a flow of liquid passing through the outer housing from the inlet to the outlet. The water heating apparatus further includes a burner assembly comprising a combustion chamber housing and a burner positioned internally within the combustion chamber housing. The burner assembly is coupled to the plurality of heat exchangers for supplying heat to the flow of liquid. |
149 |
METHODS AND APPARATUS FOR HEATING AIR WITH HOT WATER |
US13733409 |
2013-01-03 |
US20130186967A1 |
2013-07-25 |
James York; Hugh L. Allen-Magande |
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 flow associated with the water heater; initiating operation of a pump associated with the air handler when the signal indicates that water flow associated with the water heater is at least at a selected level to supply hot water to the air handler sufficient to generate heated air; and/or terminating operation of the pump and/or a blower/fan associated with the air handler when the presence or absence signal indicates that the water flow associated with the water heater is less than the selected level. |
150 |
LOW EMISSION, WOOD FUELED HYDRONIC HEATER |
US13744980 |
2013-01-18 |
US20130186313A1 |
2013-07-25 |
Warren W. Walborn; Donald Squire; Daniel Walton; Gary Bird |
A wood burning hydronic heater comprises a primary firebox into which the wood is loaded and wherein initial combustion occurs. The heater also includes a secondary combustion chamber below the primary firebox into which the combustible gases from the primary firebox are forced and into which a fresh air stream is passed to burn the gases. A primary heat exchanger downstream of the secondary combustion chamber is adapted to reduce the temperature of the exhaust exiting from the secondary combustion chamber. A catalytic combustor, located in a chamber downstream of the secondary combustion chamber and primary heat exchanger, completes combustion and reduces emissions. |
151 |
Internal heat exchanger/mixer for process heaters |
US11958993 |
2007-12-18 |
US08430556B2 |
2013-04-30 |
Mohammad-Reza Mostofi-Ashtiani |
A heat exchanger is presented that provides for mixing of a process fluid to prevent localized spikes in temperatures. The heat exchanger includes a mixing chamber within the exchanger, where a first process fluid passes from process tubes after being partially heated. The heat exchanger further includes an intermediate shell for passing a second process fluid into the fired heater and for exchanging heat with the first process fluid. The fluid flows from the mixing chamber to other process tubes for further heating. |
152 |
Methods and apparatus for heating air with hot water |
US11789219 |
2007-04-24 |
US08353463B2 |
2013-01-15 |
James York; Hugh L. Allen |
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 flow associated with the water heater; initiating operation of a pump associated with the air handler when the signal indicates that water flow associated with the water heater is at least at a selected level to supply hot water to the air handler sufficient to generate heated air; and/or terminating operation of the pump and/or a blower/fan associated with the air handler when the presence or absence signal indicates that the water flow associated with the water heater is less than the selected level. |
153 |
COMBINATION HEATER AND ELECTRICAL GENERATOR SYSTEM AND RELATED METHODS |
US13445056 |
2012-04-12 |
US20120256419A1 |
2012-10-11 |
Stewart Kaiser |
The invention is directed to a combination heater and electrical generator designed to allow continual use of the heating system in the absence of an external source of electricity. The system shares fuel and electrical inputs and also shares exhaust outputs so to facilitate ease of use installation as well as affording a small installation footprint. |
154 |
COGENERATION APPARATUS |
US13275610 |
2011-10-18 |
US20120126536A1 |
2012-05-24 |
Yoshiharu Takita |
A cogeneration apparatus includes an electrical generator, an engine for driving the generator, and a heat exchanger for using waste heat of the engine as a heat source, which are housed in a housing. The apparatus is provided with an internal fuel line for supplying fuel to the engine from outside, and power wiring for supplying electrical power generated by the electrical generator to the outside. The housing has a substantially V-shaped lead-out part capable of leading the fuel line and the wiring to outside of the housing. |
155 |
Internal Heat Exchanger/Mixer for Process Heaters |
US11958993 |
2007-12-18 |
US20090151914A1 |
2009-06-18 |
Mohammad-Reza Mostofi-Ashtiani |
A heat exchanger is presented that provides for mixing of a process fluid to prevent localized spikes in temperatures. The heat exchanger includes a mixing chamber within the exchanger, where a first process fluid passes from process tubes after being partially heated. The heat exchanger further includes an intermediate shell for passing a second process fluid into the fired heater and for exchanging heat with the first process fluid. The fluid flows from the mixing chamber to other process tubes for further heating. |
156 |
Gas-fired batch booster water heater apparatus |
US550445 |
1995-10-30 |
US5687708A |
1997-11-18 |
Craig Farnsworth; Michael Aronov; Gary Liljenberg; John Schmidt; Buddy J. Austin |
A gas-fired batch booster water heater for supplying sanitizing water to a dish washing machine comprises a chamber member, a water inlet tube, a gas-fired burner, a water outlet tube, a valve member, and a member for circulating water through the chamber member. The chamber member has a first opening operably attached to the water inlet tube and a second opening operably attached to the water outlet tube. The chamber member comprises an integrated heat exchanger and water tank. The gas-fired burner heats the water in the chamber member as it is circulated. The gas-fired batch booster water heater may further include a temperature sensor associated with the water inlet tube for controlling activation of the member for circulating water through the chamber member. |
157 |
Boiler with rotatable heat exchanger |
US78583 |
1987-07-27 |
US4791887A |
1988-12-20 |
Terence L. Winnington; Ian W. Eames |
A boiler has a gas burner assembly and a heat exchanger positioned in a combustion chamber for heating water circulated through the heat exchanger by heat exchange with the combustion products. The performance of the heat exchanger is improved by rotating the heat exchanger to prevent formation of a boundary layer of cooler combustion products and/or a surface film of condensed moisture on the heat exchange surface. |
158 |
Submerged burner furnace |
US738436 |
1976-11-03 |
US4308855A |
1982-01-05 |
Joseph M. Schallert |
A direct contact gas-liquid heater has a tank filled with a liquid, a submerged burner and a gas distributor. The heater burns a fuel air mixture producing hot gas which is bubbled up through the liquid. A system of liquid level raising and lowering pods or a bellows and reservoir prevents the liquid from sumping back through the gas distribution system to drown the burner when the burner is shut off. The heater has a vacuum pump in the exhaust conduit to create a continuous draft for the gas bubbling up through the liquid and baffles to disentrain liquid from the exhaust gases. |
159 |
Water heating apparatus |
US50749165 |
1965-11-12 |
US3366094A |
1968-01-30 |
HANS VIESSMANN |
|
160 |
Rotary hot water and steam generator |
US76558958 |
1958-10-06 |
US3051144A |
1962-08-28 |
HUETTNER LOTHAR A |
|