[특허]Retrofit hot water system and method

Retrofit hot water system and method 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F24H-004/04 F24D-017/00 F24D-017/02 F24D-019/10
출원번호	US-0838633 (2013-03-15)
등록번호	US-10260775 (2019-04-16)
발명자 / 주소	Marte, Sean Douglas
출원인 / 주소	GREEN MATTERS TECHNOLOGIES INC.
대리인 / 주소	Perry + Currier, Inc.
인용정보	피인용 횟수 : 0 인용 특허 : 38

초록 ▼

A hot water system and method are provided. The system includes a tank configured to receive hot water, a heat recovery system for heating water, and a controller configured to use the heat recovery system to maintain the hot water in the tank at a temperature within a predetermined range of tempera

대표청구항 ▼

1. A hot water system comprising: a tank configured to receive hot water, to store the hot water and to deliver a hot water flow upon demand;a heat recovery system in fluid communication with the tank and a source of cold water, the heat recovery system configured to receive cold water from the source and heat the cold water to provide the hot water to the tank, the heat recovery system further configured to heat a portion of the hot water;a pump for pumping a water flow from an external source to the heat recovery system;a sensor disposed on a line between the tank and the external source, the sensor for sensing a temperature of the water to detect a change in a direction of flow in the line based on a change in the temperature of the water; anda controller connected to the sensor and the pump, the controller configured to determine the direction of flow in the line based on the temperature from the sensor, and wherein the controller is configured to maintain the direction of flow across the sensor and prevent cold water from entering the tank directly by adjusting an operating capacity of the pump, the controller further configured to use the heat recovery system to transfer additional heat to the portion of the hot water, wherein the controller is configured to maintain the hot water in the tank at a temperature within a predetermined range of temperatures using the additional heat by adjusting the operating capacity of the pump. 2. The hot water system of claim 1, further comprising a tank sensor for measuring a temperature of the hot water in the tank. 3. The hot water system of claim 2, wherein the controller is configured to monitor the temperature of the hot water using the tank sensor and is further configured to heat the hot water when the temperature of the hot water falls below the predetermined range of temperatures. 4. The hot water system of claim 1, wherein the controller is configured to power on and to power down the heat recovery system depending on a demand for hot water in the tank. 5. The hot water system of claim 1, further comprising a boiler for heating the hot water in the tank. 6. The hot water system of claim 1, wherein the pump is configured to draw the water flow from at least one of the source and the tank. 7. The hot water system of claim 1, wherein the heat recovery system is a heat pump, the heat pump configured to transfer waste heat from an external heat source using a refrigerant. 8. The hot water system of claim 7, wherein the heat recovery system comprises: a condenser configured to receive a water flow, the condenser configured to transfer the additional heat to the water flow at a first heat transfer rate by condensing the refrigerant; an evaporator configured to receive the waste heat by evaporating the refrigerant; and a compressor for compressing the refrigerant. 9. The hot water system of claim 8, wherein the heat recovery system further comprises a subcooler configured to transfer more heat to the water flow at a second heat transfer rate by thermal conduction between the refrigerant and the water flow. 10. The hot water system of claim 9, further comprising a waste heat connector, the waste heat connector for connecting to the external heat source. 11. The hot water system of claim 10, wherein the waste heat connector is configured to connect to an existing chiller system. 12. The hot water system of claim 1, wherein the pump is powered by a variable frequency drive motor.

이 특허에 인용된 특허 (38)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Retrofit hot water system and method 원문보기

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Retrofit hot water system and method 원문보기

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