Heating system

Patent metadata

Field	Value
Publication number	US-12228293-B2
Application number	US-202017016471-A
Country	US
Kind code	B2
Filing date	Sep 10, 2020
Priority date	Sep 10, 2020
Publication date	Feb 18, 2025
Grant date	Feb 18, 2025

Abstract

A heating system including a water conductor, a valve configured to cooperate with a fluid moving device which together operable to selectively circulate a heat transfer fluid in at least one of a first fluid circuit and a second fluid circuit, a heat exchanger and a blower operable to supply a stream of fluid over the heat exchanger, wherein the heat exchanger is fluidly connected to the first fluid circuit, wherein the heat exchanger being disposed to transfer heat between the heat transfer fluid and the heat exchanger, a coil fluidly connected to the second fluid circuit, wherein the coil is configured to be disposed on a drainage tube to transfer heat between the heat transfer fluid and the coil, a final heat exchanger configured for thermally coupling the first fluid circuit and the water conductor and the second fluid circuit and the water conductor.

First claim

What is claimed herein is:

1. An under sink heating system configured to be adapted to a sink drain of a sink, said under sink heating system comprising:
(a) a drainage tube comprising a J bend drainage tube configured to be adapted to the sink drain, said J bend drainage tube comprises a curved tube portion for holding contents disposed through the sink drain into said drainage tube;
(b) a water conductor comprising an inlet and an outlet, said inlet configured for receiving a domestic water flow;
(c) a valve configured to cooperate with a fluid moving device which together operable to selectively circulate a heat transfer fluid in at least one of a first fluid circuit and a second fluid circuit;
(d) a heat exchanger and a blower operable to supply a stream of fluid over said heat exchanger, wherein said heat exchanger is fluidly connected to said first fluid circuit, wherein said heat exchanger being disposed to transfer heat between said heat transfer fluid and said heat exchanger whereby heat is transferred between said heat transfer fluid and said stream of fluid in an ambient under the sink over said heat exchanger;
(e) a coil fluidly connected to said second fluid circuit, wherein said coil is configured to be disposed on said drainage tube to transfer heat between said heat transfer fluid and said coil, whereby heat is transferred between said heat transfer fluid and the contents of said drainage tube;
(f) a final heat exchanger configured for thermally coupling said first fluid circuit and said water conductor and thermally coupling said second fluid circuit and said water conductor, whereby heat is transferred between said heat transfer fluid to the domestic water flow;
(g) a tank comprising a bath, each of a portion of said first fluid circuit and a portion of said second fluid circuit disposed through said bath of said tank is a heat exchanger being disposed to transfer heat between said bath and said heat transfer fluid, wherein said bath comprises a phase change material (PCM); and
(h) a control device operable to control said fluid moving device to circulate said heat transfer fluid in said first fluid circuit, said blower and said valve by disposing said valve in a first position in response to a first hot water demand, said control device being further operable to control said fluid moving device to circulate said heat transfer fluid in said second fluid circuit and said valve by disposing said valve in a second position in response to a second hot water demand, said control device being further operable to control said fluid moving device to circulate said heat transfer fluid in said first fluid circuit, said blower and said valve by disposing said valve in a first position in response to a first thermal charging demand and said control device being further operable to control said fluid moving device to circulate said heat transfer fluid in said second fluid circuit and said valve by disposing said valve in a second position in response to a second thermal charging demand.

2. The heating system of claim 1 , wherein said fluid moving device is a compressor, wherein said heating system further comprises an expansion valve fluidly connected to said first fluid circuit and said second fluid circuit.

3. The heating system of claim 1 , further comprising at least one heating element configured to be disposed within said bath of said tank.

4. The heating system of claim 1 , wherein said inlet of said water conductor is disposed through said bath of said tank.

5. The heating system of claim 4 , wherein said inlet of said water conductor comprises a coil configured for pre-heating the domestic water flow.

6. The heating system of claim 1 , wherein said heat transfer fluid is a refrigerant.

7. The heating system of claim 1 , further comprising an electric battery configured for storing electric power and powering at least one of said fluid moving device, said blower and said control device.

8. The heating system of claim 1 , wherein said valve is a 3-way valve.

9. The heating system of claim 1 , further comprising an ozone generator configured for sanitizing the domestic water flow.

10. An under sink heating system configured to be adapted to a sink drain of a sink, said under sink heating system comprising:
(a) a drainage tube comprising a J bend drainage tube configured to be adapted to the sink drain, said J bend drainage tube comprises a curved tube portion for holding contents disposed through the sink drain into said drainage tube;
(b) a water conductor comprising an inlet and an outlet, said inlet configured for receiving a domestic water flow, wherein said inlet of said water conductor comprises a first coil configured for pre-heating the domestic water flow;
(c) a valve configured to cooperate with a fluid moving device which together operable to selectively circulate a heat transfer fluid in at least one of a first fluid circuit and a second fluid circuit;
(d) a heat exchanger and a blower operable to supply a stream of fluid over said heat exchanger, wherein said heat exchanger is fluidly connected to said first fluid circuit, wherein said heat exchanger being disposed to transfer heat between said heat transfer fluid and said heat exchanger whereby heat is transferred between said heat transfer fluid and said stream of fluid in an ambient under the sink over said heat exchanger;
(e) a second coil fluidly connected to said second fluid circuit, wherein said second coil is configured to be disposed on said drainage tube to transfer heat between said heat transfer fluid and said second coil, whereby heat is transferred between said heat transfer fluid and the contents of said drainage tube;
(f) a final heat exchanger configured for thermally coupling said first fluid circuit and said water conductor and thermally coupling said second fluid circuit and said water conductor, whereby heat is transferred between said heat transfer fluid to the domestic water flow;
(g) a tank comprising a bath, each of a portion of said first fluid circuit and a portion of said second fluid circuit disposed through said bath of said tank is a heat exchanger being disposed to transfer heat between said bath and said heat transfer fluid, wherein said inlet of said water conductor is disposed through said bath of said tank and said bath comprises a phase change material (PCM); and
(h) a control device operable to control said fluid moving device to circulate said heat transfer fluid in said first fluid circuit, said blower and said valve by disposing said valve in a first position in response to a first hot water demand, said control device being further operable to control said fluid moving device to circulate said heat transfer fluid in said second fluid circuit and said valve by disposing said valve in a second position in response to a second hot water demand, said control device being further operable to control said fluid moving device to circulate said heat transfer fluid in said first fluid circuit, said blower and said valve by disposing said valve in a first position in response to a first thermal charging demand and said control device being further operable to control said fluid moving device to circulate said heat transfer fluid in said second fluid circuit and said valve by disposing said valve in a second position in response to a second thermal charging demand.

11. The heating system of claim 10 , wherein said fluid moving device is a compressor, wherein said heating system further comprises an expansion valve fluidly connected to said first fluid circuit and said second fluid circuit.

12. The heating system of claim 10 , further comprising at least one heating eleme

Assignees

• Intellihot Inc

Inventors

• Deivasigamani Sridhar
• Akasam Sivaprasad

Classifications

• F24D17/0005 Primary

  using recuperation of waste heat (F24D17/0036 takes precedence) · CPC title

• F24D19/1054

  the system uses a heat pump · CPC title

• F24D17/0073

  Arrangements for preventing the occurrence or proliferation of microorganisms in the water · CPC title

• F24D2200/123

  Compression type heat pumps · CPC title

• F24H7/02

  the released heat being conveyed to a transfer fluid · CPC title