Dual loop cooling system energy storage and reuse
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F28D-020/02
B60H-001/04
F01P-007/16
F01M-005/00
F16H-057/04
F28F-027/02
F28D-021/00
F28D-020/00
출원번호
US-0287525
(2016-10-06)
등록번호
US-10222134
(2019-03-05)
발명자
/ 주소
Gopal, Ravi
출원인 / 주소
Ford Global Technologies, LLC
대리인 / 주소
Voutyras, Julia
인용정보
피인용 횟수 :
0인용 특허 :
6
초록▼
Methods and systems are provided for a dual loop coolant system used to control an engine temperature. In one example, cooling capacity is transferred from a low temperature loop to a heat exchanger, and cooling capacity stored in the heat exchanger is transferred to a high temperature loop (e.g., a
Methods and systems are provided for a dual loop coolant system used to control an engine temperature. In one example, cooling capacity is transferred from a low temperature loop to a heat exchanger, and cooling capacity stored in the heat exchanger is transferred to a high temperature loop (e.g., an engine coolant loop). The flow of coolant from the dual loop coolant system to the heat exchanger may be regulated responsive to a temperature of the coolant in each of the low temperature loop and the high temperature loop.
대표청구항▼
1. A method, comprising: responsive to a first condition, transferring cooling capacity from a first coolant loop to a heat exchanger, the first condition including a temperature of the first coolant loop being less than a first threshold;storing cooling capacity transferred from the first coolant l
1. A method, comprising: responsive to a first condition, transferring cooling capacity from a first coolant loop to a heat exchanger, the first condition including a temperature of the first coolant loop being less than a first threshold;storing cooling capacity transferred from the first coolant loop in a phase change material (PCM) inside the heat exchanger;responsive to a second condition, transferring heat from a second coolant loop to the heat exchanger, the second condition including a temperature of the second coolant loop being more than a second threshold, the second threshold being higher than the first threshold; anda first valve positioned between the heat exchanger and the first coolant loop for the first coolant loop to bypass the heat exchanger, and a second valve positioned between the heat exchanger and the second coolant loop for the second coolant loop to bypass the heat exchanger. 2. The method of claim 1, further comprising, responsive to a third condition, suspending transferring of cooling capacity between the first coolant loop and the heat exchanger and suspending heat transfer from the second coolant loop to the heat exchanger, wherein the third condition includes the temperature of the first coolant loop being more than the first threshold and the temperature of the second coolant loop being less than the second threshold. 3. The method of claim 2, further comprising, during each of the first, second, and third conditions, maintaining coolant in the first coolant loop and the coolant in the second coolant loop separate from each other, and separate from the PCM. 4. The method of claim 2, further comprising positioning each of the first valve between the heat exchanger and the first coolant loop and the second valve between the heat exchanger and the second coolant loop in a closed position during the third condition. 5. The method of claim 4, further comprising positioning the first valve in an open position during the first condition and positioning the second valve in an open position during the second condition. 6. The method of claim 1, wherein the first condition and the second condition occur simultaneously. 7. A system, comprising: a heat exchanger coupled to each of a first coolant loop and a second coolant loop;a bypass valve configured to flow a first coolant from the first coolant loop through a first set of tubes inside the heat exchanger, the first set of tubes configured to maintain the first coolant separate from a phase change material (PCM) inside the heat exchanger but in heat exchange relation with the PCM;a coolant valve configured to flow a second coolant from the second coolant loop through a second set of tubes, the second set of tubes inside the heat exchanger configured to maintain the second coolant separate from the first coolant in the first set of tubes and separate from the PCM, while maintaining the second coolant in heat exchange relation with the PCM inside the heat exchanger; and a controller storing computer-readable instructions executable to:position the bypass valve in a first position to flow the first coolant through the first set of tubes, responsive to a temperature of the first coolant loop being less than a first threshold, andposition the bypass valve in a second position to block the first coolant from flowing through the first set of tubes, responsive to the temperature of the first coolant loop being more than the first threshold. 8. The system of claim 7, wherein the computer-readable instructions are further executable to: position the coolant valve in an open position to flow the second coolant through the second set of tubes, responsive to a temperature of the second coolant loop being more than a second threshold, wherein the second threshold is greater than the first threshold, andposition the coolant valve in a closed position to block the second coolant from flowing through the second set of tubes, responsive to the temperature of the second coolant loop being less than the second threshold.
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이 특허에 인용된 특허 (6)
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Brotz, Friedrich; Damsohn, Herbert; Geskes, Peter; Luz, Klaus; Pfender, Conrad, Vehicle cooling system for a temperature-raising device and method for the cooling of a temperature-raising device.
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