IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0986824
(2011-01-07)
|
등록번호 |
US-8637201
(2014-01-28)
|
우선권정보 |
JP-2010-009718 (2010-01-20) |
발명자
/ 주소 |
- Suematsu, Keigo
- Sakajo, Yuichi
- Uehara, Masanori
- Koyama, Takashi
|
출원인 / 주소 |
- Toyota Jidosha Kabushiki Kaisha
|
대리인 / 주소 |
Gifford, Krass, Sprinkle, Anderson & Citkowski, P.C.
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
1 |
초록
▼
A cooling system is provided. The cooling system includes: a fuel cell; a cooling circuit configured to circulate a coolant medium to cool the fuel cell; an air conditioning circuit configured to circulate the coolant medium, the air conditioning circuit having a heat exchanger to execute heat excha
A cooling system is provided. The cooling system includes: a fuel cell; a cooling circuit configured to circulate a coolant medium to cool the fuel cell; an air conditioning circuit configured to circulate the coolant medium, the air conditioning circuit having a heat exchanger to execute heat exchange between the coolant medium and air to be sent to a room; a switching unit configured to switch between a connected state and a disconnected state; and a controller configured to control operation of the cooling system, wherein when the controller switches a state of the cooling system from the disconnected state to the connected state, irrespective of conditions in the cooling system, the controller executes operation of the cooling system in a flow rate control mode whereby the ratio (L1/L2) of a first flow rate (L1) to a second flow rate (L2) is set to or above a prescribed value, wherein the first flow rate (L1) represents the flow rate of the coolant medium flowing through the cooling circuit, and the second flow rate (L2) represents the flow rate of the coolant medium flowing through the air conditioning circuit.
대표청구항
▼
1. A cooling system comprising: a fuel cell;a cooling circuit configured to circulate a coolant medium to cool the fuel cell;an air conditioning circuit configured to circulate the coolant medium, the air conditioning circuit having a heat exchanger to execute heat exchange between the coolant mediu
1. A cooling system comprising: a fuel cell;a cooling circuit configured to circulate a coolant medium to cool the fuel cell;an air conditioning circuit configured to circulate the coolant medium, the air conditioning circuit having a heat exchanger to execute heat exchange between the coolant medium and air to be sent to a room;a switching unit configured to switch between a connected state and a disconnected state, wherein in the connected state the coolant medium flows from the cooling circuit to the air conditioning circuit, and then the coolant medium having passed through the heat exchanger flows to the cooling circuit, and in the disconnected state a flow of a coolant medium between the cooling circuit and the air conditioning circuit is blocked; anda controller programmed to control operation of the cooling system,wherein when the controller switches a state of the cooling system from the disconnected state to the connected state, irrespective of conditions in the cooling system, the controller executes operation of the cooling system in a flow rate control mode whereby a ratio (L1/L2) of a first flow rate (L1) to a second flow rate rate (L2) is set to or above a prescribed value, wherein the first flow rate (L1) represents the flow rate of the coolant medium flowing through the cooling circuit, and the second flow rate (L2) represents the flow rate of the coolant medium flowing through the air conditioning circuit. 2. The cooling system according to claim 1, wherein the prescribed value is determined by a range such that a temperature of the coolant medium observed subsequent to convergence of the coolant medium flowing in the air conditioning circuit with the coolant medium flowing in the cooling circuit is set to or above a first threshold value. 3. The cooling system according to claim 1, wherein the controller executes operation of the cooling system in the flow rate control mode by setting the first flow rate (L1) to or above a prescribed value irrespective of conditions of the fuel cell. 4. The cooling system according to claim 1, wherein the controller executes operation of the cooling system in the flow rate control mode by setting the second flow rate (L2) to or below a prescribed value irrespective of the heating demand by the air conditioning end. 5. The cooling system according to claim 1, wherein the controller executes operation of the cooling system in the flow rate control mode, and after the cooling system is set to the connected state, switches the flow rate control mode to a normal control mode which does not include restriction of the ratio (L1/L2) being set to a prescribed value or above, and executes operation of the cooling system in the normal control mode. 6. A cooling system comprising: a fuel cell;a cooling circuit configured to circulate a coolant medium to cool the fuel cell;an air conditioning circuit configured to circulate the coolant medium, the air conditioning circuit having a heat exchanger to execute heat exchange between the coolant medium and air to be sent to a room;a switching unit configured to switch between a connected state and a disconnected state, wherein in the connected state the coolant medium flows from the cooling circuit to the air conditioning circuit, and then the coolant medium having passed through the heat exchanger flows to the cooling circuit, and in the disconnected state a flow of the coolant medium between the cooling circuit and the air conditioning circuit is blocked; anda controller programmed to control operation of the cooling system,wherein when the controller switches a state of the cooling system from the disconnected state to the connected state, irrespective of the heating demand by an air conditioning end, the controller executes operation of the cooling system in a heat discharge control mode whereby the upper limit value of heat discharge of the heat exchanger is set to or below a prescribed value. 7. The cooling system according to claim 6 further comprising: a blower to send air to the heat exchanger,wherein the controller executes operation of the cooling system in the heat discharge control mode whereby the upper limit value of the volume of air being sent to the heat exchanger by the blower is set to or below a prescribed value. 8. The cooling system according to claim 6, wherein the controller executes operation of the cooling system in the heat discharge control mode, and after the cooling system is set to the connected state, switches the heat discharge control mode to a normal control mode which does not include restriction of the upper limit value of heat discharge of the heat exchanger being set to or below a prescribed value, and executes operation of the cooling system in the normal control mode.
이 특허에 인용된 특허 (1)
-
Nobuo Fujita JP, Temperature regulator for fuel cell.
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