IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0647898
(2003-08-25)
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발명자
/ 주소 |
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출원인 / 주소 |
- Global Energy Group, Inc.
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
12 인용 특허 :
5 |
초록
▼
An evaporator system comprised of two individual refrigerant circuits, integrated in such a way that if one circuit is not in operation, no portion of the airflow through the evaporator fails to come into contact with the refrigerant in the active circuit. This eliminates the possibility of so-calle
An evaporator system comprised of two individual refrigerant circuits, integrated in such a way that if one circuit is not in operation, no portion of the airflow through the evaporator fails to come into contact with the refrigerant in the active circuit. This eliminates the possibility of so-called bypass air (air passing through inactive region of evaporator). An extreme example of bypass air is illustrated in the use of a split face evaporator where on half of the evaporator is active and the other half is inactive. The purpose of such an integrated dual circuit evaporator being to improve part load performance of a refrigerating or air conditioning system when one circuit of the system is inactive.
대표청구항
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What is claimed is: 1. A refrigeration dual circuit evaporator comprising: two main circuits, each containing a plurality of individual circuits that, when viewed in cross section, overlap one another in the direction of air flow through the evaporator, said plurality of individual circuits of each
What is claimed is: 1. A refrigeration dual circuit evaporator comprising: two main circuits, each containing a plurality of individual circuits that, when viewed in cross section, overlap one another in the direction of air flow through the evaporator, said plurality of individual circuits of each main circuit being connected together with a common distributor, and said two main circuits being arranged within said evaporator such that, when one main circuit is active, air flowing through the evaporator contacts a portion of the active main circuit across the entire face of the evaporator, wherein each individual circuit has a flash gas loss region, a highest temperature phase change region, a lowest temperature phase change region, and a superheat region located in series, and the circuit is structured such that air flow through the evaporator exits said flash gas loss region before exiting said highest temperature phase change region, exits said superheat region before exiting said lowest temperature phase change region, and at least a portion of the air flow passing through said flash gas loss region passes through at least one of said superheat region and a superheat region of another of said individual circuits. 2. A refrigeration dual circuit evaporator comprising: two main circuits, each containing a plurality of individual circuits that, when viewed in cross section, are arranged completely diagonally with respect to the direction of air flow through the evaporator, said plurality of individual circuits of each main circuit being connected together with a common distributor, and said two main circuits being arranged within said evaporator such that, when one main circuit is active, air flowing through the evaporator contacts a portion of the active main circuit across the entire face of the evaporator, wherein each individual circuit has a flash gas loss region, a highest temperature phase change region, a lowest temperature phase change region, and a superheat region located in series, and the circuit is structured such that air flow through the evaporator exits said flash gas loss region before exiting said highest temperature phase change region, exits said superheat region before exiting said lowest temperature phase change region, and at least a portion of the air flow passing through said flash gas loss region passes through at least one of said superheat region and a superheat region of another of said individual circuits. 3. A refrigeration dual circuit evaporator comprising: two main circuits, each containing a plurality of individual circuits, each individual circuit overlapping another said individual circuit from another of said main circuits in the direction of airflow through the evaporator, said plurality of individual circuits of each main circuit being connected together with a common distributor such that the input and output of each main circuit are arranged on the air flow upstream side of the compressor, and said two main circuits being arranged within said evaporator such that, when one main circuit is active, air flowing through the evaporator contacts a portion of the active main circuit across the entire face of the evaporator, wherein each individual circuit has a flash gas loss region, a highest temperature phase change region, a lowest temperature phase change region, and a superheat region located in series, and the circuit is structured such that air flow through the evaporator exits said flash gas loss region before exiting said highest temperature phase change region, exits said superheat region before exiting said lowest temperature phase change region, and at least a portion of the air flow passing through said flash gas loss region passes through at least one of said superheat region and a superheat region of another of said individual circuits. 4. A heat pump dual circuit evaporator comprising: two main circuits, each containing a plurality of individual circuits that, when viewed in cross section, overlap one another in the direction of air flow through the evaporator, said plurality of individual circuits of each main circuit being connected together with a common distributor, and said two main circuits being arranged within said evaporator such that, when one main circuit is active, air flowing through the evaporator contacts a portion of the active main circuit across the entire face of the evaporator, wherein each individual circuit has a flash gas loss region, a highest temperature phase change region, a lowest temperature phase change region, and a superheat region located in series, and the circuit is structured such that air flow through the evaporator exits said flash gas loss region before exiting said highest temperature phase change region, exits said superheat region before exiting said lowest temperature phase change region, and at least a portion of the air flow passing through said flash gas loss region passes through at least one of said superheat region and a superheat region of another of said individual circuits. 5. A heat pump dual circuit evaporator comprising: two main circuits, each containing a plurality of individual circuits that, when viewed in cross section, are arranged completely diagonally with respect to the direction of air flow through the evaporator, said plurality of individual circuits of each main circuit being connected together with a common distributor, and said two main circuits being arranged within said evaporator such that, when one main circuit is active, air flowing through the evaporator contacts a portion of the active main circuit across the entire face of the evaporator, wherein each individual circuit has a flash gas loss region, a highest temperature phase change region, a lowest temperature phase change region, and a superheat region located in series, and the circuit is structured such that air flow through the evaporator exits said flash gas loss region before exiting said highest temperature phase change region, exits said superheat region before exiting said lowest temperature phase change region, and at least a portion of the air flow passing through said flash gas loss region passes through at least one of said superheat region and a superheat region of another of said individual circuits. 6. A heat pump dual circuit evaporator comprising: two main circuits, each containing a plurality of individual circuits, each individual circuit overlapping another said individual circuit from another of said main circuits in the direction of airflow through the evaporator, said plurality of individual circuits of each main circuit being connected together with a common distributor such that the input and output of each main circuit are arranged on the air flow upstream side of the compressor, and said two main circuits being arranged within said evaporator such that, when one main circuit is active, air flowing through the evaporator contacts a portion of the active main circuit across the entire face of the evaporator, wherein each individual circuit has a flash gas loss region, a highest temperature phase change region, a lowest temperature phase change region, and a superheat region located in series, and the circuit is structured such that air flow through the evaporator exits said flash gas loss region before exiting said highest temperature phase change region, exits said superheat region before exiting said lowest temperature phase change region, and at least a portion of the air flow passing through said flash gas loss region passes through at least one of said superheat region and a superheat region of another of said individual circuits.
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