A control apparatus of a heat exchanging system according to the invention, decreases a duty ratio of the heater pump after connecting an engine water passage to a heater water passage, shutting off a predetermined water passage portion of the heater water passage, and increasing a duty ratio of an engine pump when the controls for shutting off the predetermined water passage portion, connecting the engine water passage to the heater water passage, decreasing the duty ratio of the heater pump, and increasing the duty ratio of the engine pump, are requested to be executed.

An air conditioning control device includes an environmental measurement information acquisition unit configured to acquire environmental measurement information, an action schedule estimating unit configured to acquire an action schedule of a user on the basis of past or future schedule table information of the user of the host vehicle, and to estimate a boarding time at which the user gets on the host vehicle, a destination, and a route on the basis of the acquired action schedule, an air conditioning planning unit configured to derive an instruction value pattern that includes a first instruction value for the air conditioning device at the boarding time, a second instruction value for the air conditioning device in a travel route toward the destination, and a third instruction value for the air conditioning device in a case that the user gets on after getting off the vehicle, on the basis of the environmental measurement information, and an air conditioning controller configured to control an air conditioning device of the host vehicle on the basis of the instruction value pattern.

A control apparatus according to the invention is applied to a heat exchanging system comprising a connection system for connecting an engine water passage for heat exchanging water for cooling an internal combustion engine and the heater water passage for the heat exchanging water for heating a heater core to each other. The apparatus activates the connection system to connect the engine water passage to the heater water passage when a temperature of the heat exchanging water circulating through the engine water passage, is equal to or higher than the temperature of the heat exchanging water circulating through the heater water passage, and an interior of a vehicle is requested to be warmed up.

A control apparatus of a heat exchanging system according to the invention executes a control for activating a connection system to connect an engine water passage to a heater water passage and a control for increasing an engine pump duty ratio, and then executes a control for decreasing a heater pump duty ratio when the control for decreasing the heater pump duty ratio and the control for increasing the engine pump duty ratio are requested to be executed in order to control a core flow rate to a requested core flow rate and an engine flow rate to a requested engine flow rate after the engine water passage is connected to the heater water passage by the connection system.

A control apparatus of a heat exchanging apparatus according to the invention executes a control for activating a connection system to connect an engine water passage to a heater water passage and then, executes a control for decreasing a heater pump duty ratio and a control for decreasing an engine pump duty ratio when the control for decreasing the heater pump duty ratio and the control for decreasing the engine pump duty ratio are requested to be executed in order to control a core flow rate to a requested core flow rate and an engine flow rate to a requested engine flow rate after the engine water passage is connected to the heater water passage by the connection system.

A refrigerant hammer arrestor includes a housing having an internal compartment communicating with a refrigerant line, a piston received in the housing and dividing the internal compartment into a first chamber and a second chamber and a damping mechanism to dampen displacement of the piston within the housing. Various refrigerant loops are also described incorporating a refrigerant hammer arrestor.

A vehicle air-conditioning apparatus according to the present invention includes an air-conditioning refrigerant circuit that circulates a refrigerant to cool an inside of a vehicle, a branching refrigerant circuit that branches from the air-conditioning refrigerant circuit and cools a heat generating device, a branching control valve that is provided in the branching refrigerant circuit and controls a flow of the refrigerant flowing into the branching refrigerant circuit from the air-conditioning refrigerant circuit, and a control unit that controls an operation of the air-conditioning refrigerant circuit and the branching control valve. After transition to an operation of cooling the inside of the vehicle by the air-conditioning refrigerant circuit and cooling the heat generating device by the branching refrigerant circuit in parallel, the control unit opens and closes the branching control valve in accordance with a cooling capacity state of the air-conditioning refrigerant circuit.

Methods and systems for providing multi-zone climate control for a vehicle. One system includes a power source, a plurality of switches, a first zone heating/cooling device, a second zone heating/cooling device, and an electronic controller. The electronic controller is configured to operate the plurality of switches to supply current bi-directionally through the first zone heating/cooling device, bi-directionally through the second zone heating/cooling device, or bi-directionally through a series connection of the first zone heating/cooling device and the second zone heating/cooling device.

Systems are provided for radiant heating by a window shade. A window shade system for a window of an enclosed space includes a window shade configured to cover at least a portion of the window. A radiant heating fabric extends over at least a portion of the window shade. A power supply supplies electric current to the radiant heating fabric.

A system according to the present disclosure includes a start-stop module, a bypass valve control module, and a flapper valve control module. The start-stop module is configured to stop an engine of a vehicle independent of an ignition system of the vehicle. The bypass valve control module is configured to adjust a bypass valve to a bypass position to prevent engine coolant from flowing from the engine to a heater core of the vehicle when the engine is stopped independent of the ignition system. The flapper valve control module is configured to control a flapper valve to adjust an amount of airflow from an evaporator of the vehicle to a cabin of the vehicle through the heater core.