The present disclosure relates to a thermal management system of gas injection type for a vehicle and, more particularly, to a thermal management system of gas injection type for a vehicle, which can implement various types of heating and cooling modes according to vehicle operating conditions and improve heating efficiency by increasing the flow rate of circulating refrigerant.

A heat exchanger for a vehicle configured to perform heat exchange between coolant and refrigerant includes: a plurality of stacked plates sequentially stacked to form a plurality of refrigerant spaces filled with the refrigerant and a plurality of coolant spaces filled with the coolant; a thermal expansion valve disposed in the vicinity of the plurality of the stacked plates; and a connection block disposed between the thermal expansion valve and the plurality of stacked plates. The connection block comprises a refrigerant inlet passage for introducing the refrigerant introduced through the thermal expansion valve into the plurality of the stacked plates and a refrigerant discharge passage for introducing the refrigerant discharged from the plurality of the stacked plates into the thermal expansion valve. The plurality of the stacked plates are configured to form a refrigerant passage for moving the refrigerant introduced through the refrigerant inlet passage, and a refrigerant bypass passage connected to the refrigerant passage to discharge the refrigerant to the refrigerant discharge passage.

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.

It is an object to improve the reliability of a temperature adjusting device which cools an in-vehicle device such as a battery by using a refrigerant. A device temperature adjusting device 61 that is an in-vehicle device temperature adjusting device adjusts the temperature of a battery 55 mounted on a vehicle and includes a refrigerant circuit R having a compressor 2 which compresses a refrigerant, an outdoor heat exchanger 7 for letting the refrigerant radiate heat, and a refrigerant-heat medium heat exchanger 64 for cooling the battery 55 by letting the refrigerant absorb heat, and a control device 11. The control device 11 stops the compressor 2 on the basis of the fact that the refrigerant circuit R is blocked.

A vehicle climate control system includes an air conditioning unit including an exterior heat exchanger, an interior heat exchanger, an evaporator, a compressor, a first expansion valve, and a second expansion valve. A seat coil is embedded in a vehicle seat and connected to the air conditioning unit through a first inlet passage, a first outlet passage, a second inlet passage, and a second outlet passage. The compressor is selectively connected to the exterior heat exchanger, the evaporator, the interior heat exchanger, and the seat coil. The first expansion valve is selectively connected to an outlet of the exterior heat exchanger, an inlet of the evaporator, and the seat coil. The second expansion valve is selectively connected to an outlet of the interior heat exchanger, an inlet of the exterior heat exchanger, and the seat coil air conditioning unit.

A heat exchanger for a motor vehicle that includes at least two flat tubes and at least two corrugated fins. The flat tubes and the corrugated fins are stacked alternately one above the other in a height direction (HR) to form a stack. The flat tubes and the corrugated fins are displaced in the stack in such a way that a central height axis (HMA) of the stack is aligned at an inclination angle (NVV) to the height direction (HR).

The present invention relates to a water-cooling type condenser, and more specifically, to a water-cooling type condenser including a fixing plate for fixing a gas and liquid separator, wherein the fixing plate is formed to enable a refrigerant and cooling water to flow by means of coupling between first and second plate portions, and is integrally formed, by brazing, with remaining components (a plate, a first inlet pipe, a first outlet pipe, a second inlet pipe, and a second outlet pipe), so as to enhance assemblability and durability and enable size reduction.

A temperature adjustment system includes: a refrigeration cycle circuit including a first compressor, a heat radiator, a first expansion valve, a chiller configured to perform heat exchange using the expanded refrigerant, and a gas-liquid separator configured to perform gas-liquid separation on the refrigerant and supply a gas phase refrigerant to the first compressor; a first cooling water circuit including an external heat radiator; a second cooling water circuit configured to heat the cooling water flowing therethrough by the heat of the refrigerant radiated by the heat radiator; a third cooling water circuit configured to cool the cooling water flowing therethrough, and adjust a temperature of a device by heat exchange with the cooling water; a first valve configured to connect or disconnect the first and the second cooling water circuits; and a second valve configured to connect or disconnect the second and the third cooling water circuits.

A vehicle refrigeration system includes a compressor, a condenser in fluid communication with the compressor, a chiller, a vapor injection module, and a refrigerant control block. The refrigerant control block includes a plurality of outer walls which provide a plurality of openings in fluid communication with a plurality of internal fluid paths. The plurality of openings include a VPI block outlet and a chiller block outlet. A first EXV opening receives a first EXV for modulating refrigerant flow out of the VPI block outlet through the vapor injection module to the compressor. A second EXV opening receives a second EXV for modulating refrigerant flow out of the chiller block outlet to the chiller.

A core part includes plural plates stacked with a gap therebetween so as to form plural refrigerant passages and plural cooling water passages. The refrigerant passages are communicated with each other in a stacking direction of the plates by a refrigerant inlet tank section and a refrigerant outlet tank section distanced from each other. A refrigerant inlet and a refrigerant outlet communicate with the refrigerant inlet tank section and the refrigerant outlet tank section, respectively, and are provided at one end of the core part in the stacking direction. The refrigerant inlet and the refrigerant inlet tank section are communicated with each other by a refrigerant inlet passage. A distance between a center of the refrigerant outlet tank section and a center of the refrigerant outlet is shorter than a distance between a center of the refrigerant inlet tank section and a center of the refrigerant inlet.