IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0902950
(1978-05-05)
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발명자
/ 주소 |
- Molivadas Stephen (2800 Upton St.
- NW. Washington DC 20008)
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인용정보 |
피인용 횟수 :
19 인용 특허 :
4 |
초록
▼
Various systems are disclosed for absorbing radiant heat, especially solar heat, by evaporating a refrigerant, and for releasing the heat thus absorbed to a medium to be heated, by condensing the evaporated portion of the refrigerant. The refrigerant fluid loop includes (1) an evaporator, or solar c
Various systems are disclosed for absorbing radiant heat, especially solar heat, by evaporating a refrigerant, and for releasing the heat thus absorbed to a medium to be heated, by condensing the evaporated portion of the refrigerant. The refrigerant fluid loop includes (1) an evaporator, or solar collector, including passageways where at least a portion of the refrigerant is vaporized, (2) a separator which may be a part of or a separate component from the evaporator, that divides the vapor portion and the liquid portion of the refrigerant exiting the evaporator passageways, (3) a condenser for condensing the vapor portion of the refrigerant and transferring the latent heat released to a medium to be heated, and (4) a condensate pump to return the liquid refrigerant from the separator and condenser to the evaporator. Systems are also disclosed for returning the liquid refrigerant to the evaporator by gravity thus eliminating the need for a condensate pump. Controls and component arrangements are shown for maintaining the temperature of evaporation of the refrigerant automatically insofar as practical just above that of the medium to be heated, independently of changes in the temperature of the medium, the temperatures of the system\s surroundings, and the intensity of radiation intercepted by the system. Also disclosed are novel solar collector designs applicable to the invented systems.
대표청구항
▼
An improved heating system for collecting radiant energy, and absorbing heat from a source of radiant energy, and for transferring the absorbed heat to a substance, of the type having a refrigerant and a principal refrigerant circuit within which the refrigerant is circulated by the net static head,
An improved heating system for collecting radiant energy, and absorbing heat from a source of radiant energy, and for transferring the absorbed heat to a substance, of the type having a refrigerant and a principal refrigerant circuit within which the refrigerant is circulated by the net static head, in the principal refrigerant circuit, resulting solely from the source of radiant energy and the local gravitational field, which includes: (a) means for absorbing heat from the source of radiant energy, and for evaporating at least a portion of the liquid refrigerant entering said absorbing means, said absorbing means having one or more inlets, one or more outlets, and one or more refrigerant passageways connecting said one or more inlets of said absorbing means to said one or more outlets of said absorbing means; (b) means, having a refrigerant passage and a condensing surface, for condensing essentially all the evaporated portion of the refrigerant exiting said absorbing means and transferring the heat from the refrigerant to the substance, said condensing means having a refrigerant inlet and a refrigerant outlet; (c) means for transferring the refrigerant evaporated in said absorbing means to said condensing means; and (d) means for returning liquid refrigerant from said condensing means to said absorbing means; wherein the improvement comprises: (a) means for separating the evaporated portion from the non-evaporated portion of the refrigerant exiting said absorbing means, for transferring the evaporated portion of the refrigerant to said condensing means, and for returning the non-evaporated portion of said refrigerant to said one or more inlets of said absorbing means; and (b) means for reducing, including stopping, the flow of liquid refrigerant into all said one or more inlets of said absorbing means whenever the pressure of the refrigerant, at a selected location, including the location of said flow-reducing means, exceeds a preselected value.
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