Abstract: A cooling system includes: a compressor that circulates refrigerant; a heat exchanger that exchanges heat between the refrigerant and outside air; a cooling portion that uses the refrigerant to cool the heat generating source; a first line through which the refrigerant, which has been discharged from the compressor, flows to the cooling portion; a second line through which the refrigerant circulates between the heat exchanger and the cooling portion; and a selector valve that switches between fluid communication of the first line and fluid communication of the second line. A control device includes a detecting unit configured to detect an abnormality of the compressor; and a switching unit configured to switch the selector valve to interrupt the fluid communication of the first line and to allow the fluid communication of the second line when the abnormality has been detected by the detecting unit.

Abstract: A biological information processing system includes a pulse wave information acquisition unit which acquires pulse wave information of a user, and a processing unit which determines the sleep state of the user based on the pulse wave information. The processing unit obtains index information relating to an arousal state during sleep based on the pulse wave information.

Abstract: A stacked heat exchanger including a core portion having a plurality of plates stacked on each other to define a flat refrigerant passage and a flat heat medium passage. A first connection member that provides an inlet and an outlet for allowing the refrigerant to flow into the refrigerant passage. A second connection member that provides an inlet and an outlet for allowing the heat medium to flow into the heat medium passage, in which the inlet and the outlet are configured in a state where the heat medium flowing into the heat medium passage flows in an opposite direction to that of the refrigerant flowing in the refrigerant passage. The core portion includes an offset fin disposed in at least the refrigerant passage.

Abstract: A biological information processing system includes a pulse wave information acquisition unit that acquires pulse wave information of a user, and a processing unit that determines a sleep state of the user on the basis of the pulse wave information and instructs an alarm control unit to perform an alarm notification based on a notification mode according to the sleep state.

Abstract: A biological information processing system includes a pulse wave information acquisition unit that acquires pulse wave information of a user; and a processing unit that instructs an alarm control unit to perform alarm cancellation when it is determined that the user has transitioned from a sleep state to an awakened state, on the basis of the pulse wave information.

Abstract: A method of controlling a cooling device capable of stably cooling a heat source is provided. A cooling device includes a first passage through which a coolant discharged from a compressor flows into a cooling unit for cooling EV equipment; a second passage through which the coolant is circulated between a heat exchanger and the cooling unit; a switching valve switching communication of the first passage and communication of the second passage; and a liquid storage container storing a liquid coolant condensed in the heat exchanger. The control method includes the steps of: increasing an amount of the liquid coolant stored in the liquid storage container; and switching the switching valve so as to block the first passage and allow communication of the second passage.

Abstract: A cooling system (1) that cools an HV apparatus (31) includes a compressor (12) that circulates a refrigerant, a heat exchanger (14) that performs heat exchange between the refrigerant and outside air, an expansion valve (16) that reduces the pressure of the refrigerant, a heat exchanger (18) that performs heat exchange between the refrigerant and air-conditioning air, a cooling portion (30) that cools the HV apparatus (31) using the refrigerant that flows between the heat exchanger (14) and the expansion valve (16), and a gas accumulator (70) that retains a gas-phase refrigerant gasified by heat exchange with the HV apparatus (31) in the cooling portion (30).

Abstract: A heat exchanging system exchanging heat between refrigerant and a battery includes: a compressor circulating refrigerant; a heat exchanger exchanging heat between the refrigerant and outside air; an expansion valve decompressing the refrigerant; a heat exchanger exchanging heat between the refrigerant and air-conditioning air; a heat exchanging portion connected in parallel with the heat exchanger and exchanging heat between the refrigerant and the battery; a bypass passage providing fluid communication between a path of the refrigerant between the compressor and the heat exchanger and a path of the refrigerant between the expansion valve and the heat exchanger; an expansion valve provided in the bypass passage and decompressing the refrigerant flowing through the bypass passage; and a selector valve allowing or interrupting flow of the refrigerant via the bypass passage.

Abstract: A cooling system includes: a compressor that circulates refrigerant; a heat exchanger that exchanges heat between the refrigerant and outside air; a cooling portion that uses the refrigerant to cool the heat generating source; a first line through which the refrigerant, which has been discharged from the compressor, flows to the cooling portion; a second line through which the refrigerant circulates between the heat exchanger and the cooling portion; and a selector valve that switches between fluid communication of the first line and fluid communication of the second line. A control device includes a detecting unit configured to detect an abnormality of the compressor; and a switching unit configured to switch the selector valve to interrupt the fluid communication of the first line and to allow the fluid communication of the second line when the abnormality has been detected by the detecting unit.

Abstract: A cooling device capable of achieving cooling performance suitable for an amount of generated heat from a heat source is provided. A cooling device cooling HV equipment includes a compressor for circulating a coolant; a heat exchanger performing heat exchange between the coolant and outside air; an expansion valve decompressing the coolant; a heat exchanger performing heat exchange between the coolant and air-conditioning air; a cooling unit provided on a route of the coolant flowing between the heat exchanger and the expansion valve, and cooling the HV equipment using the coolant; a bypass route bypassing the expansion valve and the heat exchanger; and a switching valve selectively switching between a flow of the coolant flowing from the cooling unit toward the expansion valve and a flow of the coolant flowing through the bypass route.

Abstract: A method of controlling a cooling device capable of stably cooling a heat source is provided. A cooling device includes a first passage through which a coolant discharged from a compressor flows into a cooling unit for cooling EV equipment; a second passage through which the coolant is circulated between a heat exchanger and the cooling unit; a switching valve switching communication of the first passage and communication of the second passage; and a liquid storage container storing a liquid coolant condensed in the heat exchanger. The control method includes the steps of: increasing an amount of the liquid coolant stored in the liquid storage container; and switching the switching valve so as to block the first passage and allow communication of the second passage.

Abstract: A selector valve includes: a first valve element having a through-hole; a first housing having a radial hole through which fluid flowing though the through-hole passes, the first housing accommodating the first valve element; a second valve element having a through-hole; a second housing having radial holes through which fluid flowing through the through-hole passes, the second housing accommodating the second valve element; and a motor configured to integrally actuate the first valve element and the second valve element. A hollow space configured to suppress transfer of heat between the first valve element and the second valve element is formed between the first valve element and the second valve element. A hollow space configured to suppress transfer of heat between the first housing and the second housing is formed between the first housing and the second housing.

Abstract: A cooling system includes a compressor, a first heat exchanger, an expansion valve, a second heat exchanger, piping that connects these components and circulates a refrigerant through these components, a cooling unit that is provided in the piping between the first heat exchanger and the expansion valve and that cools a heat-generating source with the refrigerant; and a connection passage communicating a first passage with a second passage, the first passage being the piping between the compressor and the first heat exchanger, the second passage being the piping between the cooling unit and the expansion valve. The first heat exchanger is positioned higher than the cooling unit, and the piping is arranged so that the refrigerant that is condensed by the first heat exchanger is caused to flow into the cooling unit by gravitational force.

Abstract: A cooling system (1) that cools an HV apparatus (31) includes a compressor (12) that circulates a refrigerant, a heat exchanger (14) that carries out heat exchange between the refrigerant and outside air, an expansion valve (16) that reduces the pressure of the refrigerant, a heat exchanger (18) that carries out heat exchange between the refrigerant and air-conditioning air, a cooling portion (30) that cools, the HV apparatus (31) using the refrigerant that flows between the heat exchanger (14) and the expansion valve (16), a gas-liquid separator (40) that separates the refrigerant that flows between the heat exchanger (14) and the cooling portion (30) into a liquid-phase refrigerant and a gas-phase refrigerant, and a liquid accumulator (70) that is provided between the gas-liquid separator (40) and the cooling portion (30), and that retains the liquid-phase refrigerant separated by the gas-liquid separator (40).

Abstract: A cooling system that cools a heat generating source mounted on a vehicle includes: a compressor that circulates refrigerant; a first heat exchanger that performs heat exchange between the refrigerant and outside air; a decompressor that decompresses the refrigerant; a second heat exchanger that performs heat exchange between the refrigerant and air-conditioning air; and a cooling device that is provided on a path of the refrigerant flowing between the first heat exchanger and the decompressor and that uses the refrigerant to cool the heat generating source. A capillarity generating portion that causes the refrigerant to rise due to capillarity is provided inside the cooling device.

Abstract: A cooling system for cooling a heat generation source includes a cooling unit that is configured to cool the heat generation source by a coolant flowing through the cooling unit, a heat exchanger that is configured to perform heat exchange between the coolant and outside air, a liquid storage device that is configured to store the coolant in a liquid state, a first passage for the coolant that connects between the heat exchanger and the liquid storage device, a second passage for the coolant that connects between the liquid storage device and the cooling unit, and that includes a main passage that connects between the liquid storage device and the cooling unit and a sub passage, at least part of which is separate from the main passage, a pump that is provided on the sub passage.

Abstract: A heat exchange apparatus that performs heat exchange between a refrigerant and a temperature-adjusted unit includes: a compressor that circulates the refrigerant; a heat exchanger that performs heat exchange between the refrigerant and outside air; an expansion valve that reduces a pressure of the refrigerant; a heat exchanger that performs heat exchange between the refrigerant and air-conditioning air; a cooling passage that forms a path for the refrigerant to flow between the heat exchanger and the expansion valve; and a heating passage that forms a path for the refrigerant to flow between the expansion valve and the heat exchanger. The temperature-adjusted unit is disposed to be capable of exchanging heat with the refrigerant flowing through the cooling passage and to be capable of exchanging heat with the refrigerant flowing through the heating passage.

Abstract: A cooling system (1) includes: a compressor (12) that circulates refrigerant; a heat exchanger (14) and a heat exchanger (15) that carry out heat exchange between refrigerant and outside air; a decompressor (16) that decompresses refrigerant; a heat exchanger (18) that carries out heat exchange between refrigerant and air-conditioning air; a cooling portion (30) that is provided in a path of refrigerant flowing between the heat exchanger (14) and the heat exchanger (15) and that uses refrigerant to cool a heat generating source (31); a first line (24) through which refrigerant circulates between the cooling portion (30) and the heat exchanger (15); a second line (27) through which refrigerant circulates between the heat exchanger (18) and the compressor (12); and an internal heat exchanger (40) in which refrigerant that circulates through the first line (24) and refrigerant that circulates through the second line (27) exchange heat with each other.

Abstract: A cooling apparatus that cools an HV device includes: a compressor that circulates a refrigerant; a heat exchanger that performs heat exchange between the refrigerant and outside air; an expansion valve that reduces a pressure of the refrigerant; a heat exchanger that performs heat exchange between the refrigerant and air-conditioning air; a cooling unit provided on a path of the refrigerant flowing between the heat exchanger and the heat exchanger via the expansion valve in order to cool the HV device by using the refrigerant; and a four-way valve that switches between a refrigerant flow from the compressor to the heat exchanger and a refrigerant flow from the compressor to the heat exchanger.

Abstract: A cooling apparatus that cools a charger for charging a storage battery upon reception of a supply of power from a power supply includes: a compressor that circulates a refrigerant; a heat exchanger and a heat exchanger that perform heat exchange between the refrigerant and outside air; an expansion valve that reduces a pressure of the refrigerant; a heat exchanger that performs heat exchange between the refrigerant and air-conditioning air; a cooling unit provided on a path along which the refrigerant flows between the heat exchanger and the expansion valve to cool the charger using the refrigerant; a refrigerant passage through which the refrigerant flows between the compressor and the heat exchanger; a refrigerant passage through which the refrigerant flows between the cooling unit and the expansion valve; and a connecting passage connecting the refrigerant passage and the refrigerant passage.