B60H1/00392

Air conditioning device for fuel cell vehicle
11214122 · 2022-01-04 · ·

An conditioning device for a fuel cell vehicle includes a heater core configured to heat air in a vehicle cabin with a coolant to be discharged from a FC stack cooled by the coolant as a heat source, a coolant heating heater configured to heat the coolant, an air heating heater configured to further heat air warmed by the heater core, and a vehicle ECU configured to, in a case where a heater core outlet coolant temperature based on a target blowing temperature is equal to or higher than an FC stack inlet target temperature, perform control such that the air heating heater is operated with an output set based on the heater core outlet coolant temperature, and the coolant heating heater is operated with an output set based on a heater core inlet target coolant temperature calculated according to the set output of the air heating heater.

Temperature control system for electric vehicle and method of controlling temperature of electric vehicle

A temperature control system to be installed in an electric vehicle includes a water circuit, a coolant circuit, a radiator, a heat exchanger, a water pump, and a controller. The water circuit circulates cooling water to cool an electric device. The coolant circuit circulates a coolant to control a temperature of a cabin or battery of the electric vehicle. The radiator is disposed in the water circuit. The heat exchanger is disposed in the coolant circuit and receives heat released from the radiator through cooling air delivered from the radiator. The water pump regulates a flow rate of the cooling water circulating in the water circuit. The controller increases the number of rotations of the water pump to a greater value in a condition where an increase in temperature of the cabin or the battery is requested than in a normal condition where the increase in temperature is not requested.

Temperature management systems and methods for electric vehicle
11214115 · 2022-01-04 · ·

A temperature control system for an electric vehicle includes a cabin temperature control system configured to control flow of a refrigerant through one or more heat exchangers to control a temperature of a cabin of the electric vehicle, a battery temperature control system configured to control the flow of a coolant through one or more heat exchangers to control a temperature of a battery system of the electric vehicle, and a power electronics temperature control system configured to control the flow of coolant through one or more heat exchangers to control a temperature of one or more power electronics. In a first configuration of the temperature control system, the battery temperature control system and the power electronics temperature control system may be thermally isolated, and, in a second configuration, the battery temperature control system and the power electronics temperature control system may thermally interact.

THERMAL MANAGEMENT SYSTEM FOR A VEHICLE AND METHOD FOR OPERATING A THERMAL MANAGEMENT SYSTEM
20230311616 · 2023-10-05 · ·

A thermal management system for a vehicle, comprising a controller, a first coolant circuit with a first coolant pump, a second coolant circuit with a second coolant pump, and a multiway valve that completes each of the coolant circuits. The first coolant pump, the second coolant pump, and the multiway valve can be automatically actuated by the controller. The first coolant circuit and the second coolant circuit can be fluidically connected to one another by the multiway valve as a function of the actuation of the multiway valve. The first coolant pump, the second coolant pump, and the multiway valve are matched to one another such and can be operated such that a coolant circulates essentially in the first coolant circuit when the first coolant pump is switched on and when the second coolant pump is switched off.

SLIM-TYPE HEAT MANAGEMENT SYSTEM FOR ELECTRIC VEHICLE

Proposed is a slim-type heat management system for an electric vehicle, wherein implementation of various heat management modes may be easily accomplished by using a minimum number of parts including two three-way expansion valves and the like, wherein the various heat management modes include a heat pump dehumidification mode, a dehumidification max mode, and the like, which are for defogging, in addition to an indoor cooling mode, a battery cooling mode, and a heat pump mode for heating. Accordingly, the system is capable of being usefully applied to an electric vehicle being small and an electric vehicle having priority of profitability over performance.

Thermal management systems and methods with heating component

A vehicle has a thermal management system that comprises an electric power source loop comprising at least one battery. The thermal management system further comprises a heating component thermally coupled to the electric power source loop. When an ambient temperature is less than a first threshold, the heating component pre-heats the at least one battery. In exemplary embodiments, the heating component includes at least one brake resistor that is coupled to the electric power source loop.

METHOD, SYSTEM, AND TECHNOLOGY FOR PRECONDITIONING A VEHICLE INTERIOR
20230286353 · 2023-09-14 ·

Methods, systems, and technologies for preconditioning an interior/cabin of a vehicle using a control system and an HVAC system. The preconditioning can include heating or cooling the interior/cabin to a desired temperature or temperature range, and/or maintaining the interior/cabin at the desired temperature or temperature range once reached, e.g., prior to departure/operation of an associated vehicle. The preconditioning can be initiated and/or controlled based on an estimated or selected departure time, and/or can be performed in multiple phases that use different operation of the HVAC system to manage heat transfer and power use. The preconditioning can also be adjusted based on a rate of battery charging to facilitate a desired battery charge prior to departure.

Heat pump system

A heat pump system includes a compressor, a first heat exchanger, a second heat exchanger, a third heat exchanger, an intermediate heat exchanger, a first throttling element and a first valve member. The intermediate heat exchanger includes a first heat exchange portion and a second heat exchange portion that may carry out heat exchange. A first port of the first heat exchange portion communicates with an inlet of the compressor. A second port of the first heat exchange portion may communicate with at least one of an outlet of the second heat exchanger and a second port of the third heat exchanger. A first port of the second heat exchange portion may communicate with a first port of the third heat exchanger. The first heat exchanger and the second heat exchanger are indoor heat exchangers which are configured to be disposed in an air-conditioning cabinet.

Coupling thermal management system of pure electric vehicle based on phase change heat storage

A coupling thermal management system of a pure electric vehicle based on phase change heat storage. The system includes a refrigerant circuit and a coolant circuit, where heat exchange can be achieved between the refrigerant circuit and the coolant circuit through a plate type heat exchanger. The refrigerant circuit includes an electric compressor, an inside-vehicle heat exchanger, an outside-vehicle heat exchanger, a bidirectional electronic expansion valve, a four-way directional valve, a gas-liquid separator, first three-way valve, a first gate valve, a second gate valve, a plate type heat exchanger and a refrigerant tube. The coolant circuit includes a battery pack, a phase change material, a heat storage heat exchanger, a water pump, a second three-way valve, a third three-way valve, a fourth three-way valve and a coolant tube. The plate type heat exchanger is also included in the coolant circuit.

Thermal management system for vehicle

A thermal management system for a vehicle adjusts a temperature of a battery module by using one chiller that performs heat exchange between a refrigerant and a coolant. The thermal management system includes: a cooling apparatus for circulating a coolant in a coolant line to cool an electrical component and an oil cooler provided in the coolant line; a battery cooling apparatus for circulating the coolant to the battery module; a chiller to cause heat exchange between the coolant and a refrigerant to control a temperature of the coolant; a heater that heats an interior of the vehicle using the coolant; and a first branch line connected to the coolant line between the oil cooler and a radiator through a first valve. In particular, a condenser included in the air conditioner is connected to the coolant line so as to pass the coolant circulating through the cooling apparatus.