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TANKLESS WATER HEATER HAVING INTEGRATED SCALE CONTROL MODULE
Publication number: 20220034522
Abstract: A tankless water heater includes a scale control module (SCM). The SCM is mounted inside or outside of a cabinet which encloses a heat exchanger and source of heat of the water heater. The SCM may include a connector and a cartridge removably attaching to the connector or may only include a cartridge permanently affixed to the tankless water heater. The tankless water heater includes a continuous water pathway inside the cabinet to supply water to all components of the tankless water heater, including the SCM. The tankless water heater receives supply water at its inlet, treats the supply water in the SCM to generate treated water having reduced scale-forming characteristics compared to the supply water, and heats the treated water in the heat exchanger to generate heated treated water.
Type: Application
Filed: October 12, 2021
Publication date: February 3, 2022
Inventors: Jeffrey T. Ogan, Jason F. Janz, Crawford G. Arrington
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Tankless water heater having integrated scale control module
Patent number: 11624512
Abstract: A tankless water heater includes a scale control module (SCM). The SCM is mounted inside or outside of a cabinet which encloses a heat exchanger and source of heat of the water heater. The SCM may include a connector and a cartridge removably attaching to the connector or may only include a cartridge permanently affixed to the tankless water heater. The tankless water heater includes a continuous water pathway inside the cabinet to supply water to all components of the tankless water heater, including the SCM. The tankless water heater receives supply water at its inlet, treats the supply water in the SCM to generate treated water having reduced scale-forming characteristics compared to the supply water, and heats the treated water in the heat exchanger to generate heated treated water.
Type: Grant
Filed: October 12, 2021
Date of Patent: April 11, 2023
Assignee: A.O. Smith Corporation
Inventors: Jeffrey T. Ogan, Jason F. Janz, Crawford G. Arrington
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TANKLESS WATER HEATER HOT WATER RETURN SYSTEM
Publication number: 20080265046
Abstract: 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 compensate for tankless head losses and to protect the tankless heat exchanger. The system has a hot water return by-pass for heat exchanger protection. The invention utilizes the tankless water heater as the heating source for the hot water return and eliminates the need and use of tank-type water heaters for tankless hot water return recirculation. The system is self-contained with built-in temperature sensing and does not require any auxiliary controls, sensors, switches, timing mechanisms or remote activation. The system is energy efficient and water conservative.
Type: Application
Filed: April 23, 2008
Publication date: October 30, 2008
Inventor: Rich Grimes
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CONTROL FOR A TANKLESS WATER HEATER USED WITH A SOLAR WATER HEATING SYSTEM
Publication number: 20120060827
Abstract: A tankless water heating auxiliary system for a solar water heating system, includes a solar collector; a tankless water heater auxiliary system; an insulated water storage tank storing the potable water; a heat exchange system for heating stored water; and piping for connecting the collector, the storage tank and the heat exchanger in fluid communication. A first sensor is connected to and located adjacent the storage tank for sensing the temperature of the stored water at an outlet of the tank.
Type: Application
Filed: March 7, 2011
Publication date: March 15, 2012
Inventor: John Joseph Roetker
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Tankless water heater with a high-accuracy response-curve flowmeter
Patent number: 11384958
Abstract: A tankless water heater with an impeller flowmeter having multiple K factors significantly improving the accuracy of flowmeter readings, particularly at low water flow rates, such as under 1 gallon per minute. Rather than use a single K factor impeller flowmeter in a tankless water heater that is particularly inaccurate at low flow rates, this disclosure provides an impeller flowmeter with multiple K factors to obtain precise flow rate readings to precisely control heating of the water at low flow rates. The flowmeter has an onboard memory with multiple K factors stored for a controller to access and read. These multiple K factors are established for flowrates across the entire dynamic range of the flowmeter at the time it is manufactured. Just enough K factors are determined to provide good curve fitting. The flowmeter onboard memory is programmed with the multiple K factors.
Type: Grant
Filed: February 4, 2022
Date of Patent: July 12, 2022
Assignee: TANKLESS TECHNOLOGIES, INC.
Inventors: David M. Daniel, David A. Daniel
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LEAK DETECTION IN TANKLESS WATER HEATER
Publication number: 20230141828
Abstract: The present disclosure provides a device and a method for detecting leak in a tankless water heater. According to the present disclosure, a leak detection device is disposed on a base of the tankless water heater. The leak detection device includes a leak sensor and at least one absorption arm extending from the leak sensor. The absorption arm wicks water and transports the wicked water towards the leak sensor. The leak sensor generates a signal indicative of leakage in the tankless water heater, in response to sensing wetness.
Type: Application
Filed: November 8, 2021
Publication date: May 11, 2023
Inventors: Burak Adanur, Prudhvi Amaravadhi, Tristin R. Watteau, Emil J. Antoon, Jeffrey Stogsdill
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TANKLESS WATER HEATER CONNECTOR
Publication number: 20220120471
Abstract: Disclosed herein are connectors for a tankless water heater. The connectors can comprise a flange, an aperture extending through the flange having a first diameter, one or more slots extending through the flange, a connector portion substantially surrounding the aperture and extending outward from the flange away from the tankless water heater. The aperture can correspond to an air inlet extending into the tankless water heater, and the air inlet can have a second diameter that is larger than the aperture. To keep the flange in place, the one or more slots can correspond to one or more fastening holes in the tankless water heater. The one or more slots can be substantially parallel and on opposite sides of the aperture. The connector can be in a secured state when the one or more slots are fastened to the one or more fastening holes.
Type: Application
Filed: October 20, 2020
Publication date: April 21, 2022
Inventors: Tristin Watteau, Govinda Mahajan, Prudhvi Amaravadhi
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Tankless water heater, a facility management system, a method for controlling a tankless water heater and a method for operating a facility management system
Publication number: 20220196288
Abstract: A tankless water heater, comprising: a flow channel with a cold-water inlet pipe, a heating unit with an heating element configured to heat water flowing through the heating unit and a hot-water outlet pipe, and a control unit configured to control the tankless water heater, wherein the control unit is configured to receive a power limitation signal of an external facility management system and to control a heating output of the heating element depending on the power limitation signal.
Type: Application
Filed: December 22, 2020
Publication date: June 23, 2022
Applicant: Stiebel Eltron GmbH & Co. KG
Inventors: Hubert Nolte, Frank Stiebel
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Tankless Water Heater Connector
Publication number: 20230050638
Abstract: Disclosed herein are connectors for a tankless water heater. The connectors can comprise a flange, an aperture extending through the flange having a first diameter, one or more slots extending through the flange, a connector portion substantially surrounding the aperture and extending outward from the flange away from the tankless water heater. The aperture can correspond to an air inlet extending into the tankless water heater, and the air inlet can have a second diameter that is larger than the aperture. To keep the flange in place, the one or more slots can correspond to one or more fastening holes in the tankless water heater. The one or more slots can be substantially parallel and on opposite sides of the aperture. The connector can be in a secured state when the one or more slots are fastened to the one or more fastening holes.
Type: Application
Filed: October 31, 2022
Publication date: February 16, 2023
Inventors: Tristin Watteau, Govinda Mahajan, Prudhvi Amaravadhi
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Tankless water heater carrier
Patent number: 10072873
Abstract: A tankless water heater carrier having a pair of load supporting brackets, a slot formed through each load supporting bracket, and a pair of rigidity rails extending longitudinally along each side of each load supporting brackets. The tankless water heater carrier has a pair of side brackets connected between the pair of load supporting brackets, a pair of sliding brackets moveably mounted onto each load supporting bracket, and a plurality of removable threaded rough in guides positioned in the alignment holes of each sliding bracket and through the slots of the load supporting brackets. The tankless water heater carrier includes fasteners usable to connect the side brackets to the load supporting brackets and to connect the sliding brackets to the load supporting brackets creating a theft resistant tankless water heater that is versatile for all sizes.
Type: Grant
Filed: May 14, 2015
Date of Patent: September 11, 2018
Assignee: ALLPRO MANUFACTURING, INC.
Inventors: Cary Ostera, Daniel M. Morales, II
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ELECTRIC TANKLESS WATER HEATER
Publication number: 20200103143
Abstract: A tankless water heater system including a tankless water heater assembly and a mixing valve assembly enclosed within a system housing. The mixing valve assembly is formed by a one piece mixing valve housing that defines an unheated water path proceeding to the heater assembly and a heated water path proceeding from a hot water inlet passageway to a mixed water outlet passageway. Water flow through the mixed water passageway is controlled by mixing valve that includes a shuttle operably coupled to a thermostatic motor.
Type: Application
Filed: October 2, 2018
Publication date: April 2, 2020
Inventor: Edward V. Fabrizio
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ULTRA-LOW FLOW ELECTRIC TANKLESS WATER HEATER
Publication number: 20180299165
Abstract: An electric tankless water heater for heating a continuous supply of water. The electric tankless water heater includes a heater assembly having a water inlet, a water outlet and a heating chamber defining a water flow path there between. A flow sensing device is coupled to the water flow path and configured to detect an ultra-low flow condition of water within a heating chamber of the heater assembly. In response to the detection of an ultra-low flow condition, or higher flow conditions, a controller regulates the amount of electrical current flowing through to achieve the desired temperature of water at the water outlet.
Type: Application
Filed: April 14, 2017
Publication date: October 18, 2018
Inventor: Edward Vincent Fabrizio
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Tankless water heater connector
Patent number: 11512872
Abstract: Disclosed herein are connectors for a tankless water heater. The connectors can comprise a flange, an aperture extending through the flange having a first diameter, one or more slots extending through the flange, a connector portion substantially surrounding the aperture and extending outward from the flange away from the tankless water heater. The aperture can correspond to an air inlet extending into the tankless water heater, and the air inlet can have a second diameter that is larger than the aperture. To keep the flange in place, the one or more slots can correspond to one or more fastening holes in the tankless water heater. The one or more slots can be substantially parallel and on opposite sides of the aperture. The connector can be in a secured state when the one or more slots are fastened to the one or more fastening holes.
Type: Grant
Filed: October 20, 2020
Date of Patent: November 29, 2022
Assignee: Rheem Manufacturing Company
Inventors: Tristin Watteau, Govinda Mahajan, Prudhvi Amaravadhi
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Tank-based and tankless water heater systems
Patent number: 10605486
Abstract: A water heating system can include a first tank-based water heater having a first inlet line and a first outlet line, where the first inlet line provides unheated water to the first tank, and where the first outlet line draws heated water from the first tank. The system can also include a first tankless water heater having a second outlet line, where the second outlet line of the first tankless water heater provides the heated water to a first heated water demand. The system can also include a first valve that controls an amount of the unheated water flowing through the first inlet line to the first tank-based water heater. The system can further include a controller operatively coupled to the first valve, where the controller controls a position of the first valve based on the first heated water demand and a first capacity of the first tankless water heater.
Type: Grant
Filed: December 4, 2017
Date of Patent: March 31, 2020
Assignee: Rheem Manufacturing Company
Inventors: Raheel A. Chaudhry, David I. Vega, Michael C. Mitchell
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SHOWER HEAD HAVING AN ELECTRIC TANKLESS WATER HEATER
Publication number: 20120145807
Abstract: A combined showerhead and tankless water heater. A control panel permits a user to adjust the temperature level of the water that is heated. In one embodiment, the water flowing through the tankless water heater portion can be heated up about an additional eighteen (18) degrees.
Type: Application
Filed: October 12, 2011
Publication date: June 14, 2012
Inventor: MARTA MARTINEZ
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Tank-Based and Tankless Water Heater Systems
Publication number: 20190170398
Abstract: A water heating system can include a first tank-based water heater having a first inlet line and a first outlet line, where the first inlet line provides unheated water to the first tank, and where the first outlet line draws heated water from the first tank. The system can also include a first tankless water heater having a second outlet line, where the second outlet line of the first tankless water heater provides the heated water to a first heated water demand. The system can also include a first valve that controls an amount of the unheated water flowing through the first inlet line to the first tank-based water heater. The system can further include a controller operatively coupled to the first valve, where the controller controls a position of the first valve based on the first heated water demand and a first capacity of the first tankless water heater.
Type: Application
Filed: December 4, 2017
Publication date: June 6, 2019
Inventors: Raheel A. Chaudhry, David I. Vega, Michael C. Mitchell
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Tank-Based and Tankless Water Heater Systems
Publication number: 20200224927
Abstract: A water heating system can include a first tank-based water heater having a first inlet line and a first outlet line, where the first inlet line provides unheated water to the first tank, and where the first outlet line draws heated water from the first tank. The system can also include a first tankless water heater having a second outlet line, where the second outlet line of the first tankless water heater provides the heated water to a first heated water demand. The system can also include a first valve that controls an amount of the unheated water flowing through the first inlet line to the first tank-based water heater. The system can further include a controller operatively coupled to the first valve, where the controller controls a position of the first valve based on the first heated water demand and a first capacity of the first tankless water heater.
Type: Application
Filed: March 30, 2020
Publication date: July 16, 2020
Inventors: Raheel A. Chaudhry, David I. Vega, Michael C. Mitchell
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Leak detection in tankless water heater
Patent number: 11976850
Abstract: The present disclosure provides a device and a method for detecting leak in a tankless water heater. According to the present disclosure, a leak detection device is disposed on a base of the tankless water heater. The leak detection device includes a leak sensor and at least one absorption arm extending from the leak sensor. The absorption arm wicks water and transports the wicked water towards the leak sensor. The leak sensor generates a signal indicative of leakage in the tankless water heater, in response to sensing wetness.
Type: Grant
Filed: November 8, 2021
Date of Patent: May 7, 2024
Assignee: Rheem Manufacturing Company
Inventors: Burak Adanur, Prudhvi Amaravadhi, Tristin R. Watteau, Emil J. Antoon, Jeffrey Stogsdill
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SHOWER HEAD HAVING AN ELECTRIC TANKLESS WATER HEATER
Publication number: 20150108245
Abstract: A combined showerhead and tankless water heater. A control panel permits a user to adjust the temperature level of the water that is heated. In one embodiment, the water flowing through the tankless water heater portion can be heated up about an additional eighteen (18) degrees.
Type: Application
Filed: September 23, 2014
Publication date: April 23, 2015
Inventor: MARTA MARTINEZ
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Electric tankless water heater
Patent number: 10907860
Abstract: A tankless water heater system including a tankless water heater assembly and a mixing valve assembly enclosed within a system housing. The mixing valve assembly is formed by a one piece mixing valve housing that defines an unheated water path proceeding to the heater assembly and a heated water path proceeding from a hot water inlet passageway to a mixed water outlet passageway. Water flow through the mixed water passageway is controlled by mixing valve that includes a shuttle operably coupled to a thermostatic motor.
Type: Grant
Filed: October 2, 2018
Date of Patent: February 2, 2021
Assignee: Chronomite Laboratories, Inc.
Inventor: Edward V. Fabrizio
