A heat exchanger includes: a heat exchanging portion configured to exchange heat between a refrigerant flowing through therein and air; a liquid reservoir configured to separate a gas-liquid two-phase refrigerant flowing out of the heat exchanging portion into a gas-phase refrigerant and a liquid-phase refrigerant, the liquid reservoir storing the liquid-phase refrigerant; and a refrigerant adjustment portion configured to adjust a flow state of the refrigerant flowing into the refrigerant adjustment portion through a refrigerant passage of the refrigeration cycle, supply the refrigerant to the heat exchanging portion and adjust an outflow state and an outflow destination of the refrigerant flowing out of the heat exchanging portion or the liquid reservoir. At least a part of the refrigerant adjustment portion is inserted into the liquid reservoir.

An air conditioner for a vehicle includes: a condenser that includes a core for allowing heat exchange between a refrigerant discharged from a compressor of a refrigeration cycle and air; and a switching unit that switches a refrigerant passage in the condenser. The switching unit switches the refrigerant passage between a first refrigerant passage that allows the refrigerant to flow throughout the core, and a second refrigerant passage that allows the refrigerant to flow through a part of the core by allowing the refrigerant discharged from the compressor to flow into a middle part of the core.

An accumulator (28), optionally in combination with an internal heat exchanger in a shared housing (24), comprising a cyclone (12) for separation of the gas and liquid phase of a refrigerant, and characterised in that the cyclone (12) comprises two separate, curved flow paths (14, 16), one of which (14) leads from an inlet (18) on the cover side whose direction of flow is closer to the axial than the radial direction of the cyclone (12) into the accumulator and radially outwards, and the other of which (16, 52) leads outwards from an end facing away from the cover (20).

An air conditioner includes a circulation flow channel in which a refrigerant circulates, an evaporator provided in the circulation flow channel to cool air by heat exchange with the refrigerant passing through the circulation flow channel, a first cold storage unit provided in the evaporator at a position adjacent to a tube in which the refrigerant flows in the evaporator, and a second cold storage unit provided in the circulation flow channel at a position different from the evaporator. The first cold storage unit is configured to store therein a first cold storage material which changes in phase by the heat exchange with the refrigerant passing through the tube, and the second cold storage unit is configured to store therein a second cold storage material which changes in phase by the heat exchange with the refrigerant passing through the circulation flow channel.

A heat exchange system includes a heat exchanger, a radiator, a connecting member, a shutter, and a controller. The heat exchanger is configured to exchange heat between a heat medium circulating through a heat exchange cycle and an air introduced into an engine compartment. The radiator is configured to exchange heat between a cooling water and the air. The connecting member thermally connects between the heat exchanger and the radiator. The shutter is configured to selectively allow and prevent supply of air to the heat exchanger and the radiator. The controller is configured to determine whether a required heat absorption amount of the heat exchanger can be supplemented by a required heat dissipation amount of the radiator, and control the shutter to move in a closing direction upon determining that the required heat absorption amount can be supplemented by the required heat dissipation amount.

A temperature control system includes a heater core utilizing heat of a heat medium; an engine heat exchanger utilizing exhaust heat of an engine to heat the heat medium; a condenser utilizing heat other than the exhaust heat to heat the heat medium; a heat circuit having the heater core and condenser; a communication flow path making the engine heat exchanger communicate with the heat circuit; and a connection state switching mechanism switching a flow state of the heat medium, between a first state and a second state. In the first state, the heat medium flows through the heat circuit, while flowing through the heater core, and in the second state, the heat medium flows through the heat circuit without flowing through the heater core. The heat circuit is arranged at a front of a passenger compartment, and the engine heat exchanger is arranged at a rear of the compartment.

A heat exchanger for a refrigerant circuit of an air conditioning system, with a heat exchanger block with a first fluid channel as a refrigerant channel for the flow of refrigerant as a first fluid and with a second fluid channel for the flow of a second fluid therethrough. The first fluid channel and the second fluid channel are in thermal contact for the exchange of heat. A third fluid channel is provided, which is provided as a second refrigerant channel for the flow of refrigerant therethrough, wherein a second refrigerant inlet and a second refrigerant outlet are provided, which are in fluid communication with the third fluid channel, wherein the first fluid channel is in direct thermal contact with the third fluid channel as an internal heat exchanger for the exchange of heat between the refrigerant in the first fluid channel with the refrigerant in the third fluid channel.

A refrigeration system for a vehicle including a refrigerant circuit having a double-flow heat exchanger, it being possible to operate the heat exchanger as a refrigerant condenser/gas cooler for an AC mode or as an air heat pump evaporator for a heat pump mode. The first flow of the heat exchanger has a first refrigerant connection and the second flow of the heat exchanger has a second refrigerant connection. For double flow through the heat exchanger in AC mode the first refrigerant connection is a refrigerant inlet and the second refrigerant connection is a refrigerant outlet. For single flow through the heat exchanger in heat pump mode the second refrigerant connection is a refrigerant inlet.

Disclosed is a coating composition for preventing odor. The coating composition may include one or more types of odorless microorganisms selected from the group consisting of Caulobacter vibrioides, Bradyrhizobium diazoefficiens, Bradyrhizobium daqingense and Methylobacterium brachiatum or a culture solution thereof. Further provided is a method for preventing odor, and the method may include applying the coating composition for preventing odor. When a biofilm is formed from the microorganisms in the coating composition by coating an object on which an odor-causing microorganism can live, the inflow and the inhabitation of external microorganisms generating odor may be significantly blocked, thereby enabling odor to be effectively prevented.

A cold energy storage evaporator is used in a vehicle refrigeration cycle device configured to cool a vehicle compartment. The cold energy storage evaporator includes a refrigerant tube through which a refrigerant flows, and a cold energy storage member that is in close contact with the refrigerant tube, the cold energy container accommodating therein a cold energy storage member configured to freeze due to heat absorption by the refrigerant. A melting point of the cold energy storage member is higher than 11 degrees Celsius.