To avoid an adverse effect on the sensor by the heater. A controller for a heater installed in a vehicle lamp, where the controller detects a rising edge of a light emission period of a sensor light emitted from an object detection sensor built in the vehicle lamp, and starts supply of a drive voltage to the heater in accordance with the rising edge.

The invention relates to a heating device (3) for a storage container with a urea reducing agent, comprising at least one electrically operatable heating element (6) and a heat distribution element (7) which is thermally coupled to the heating element (6), wherein the heating element (6) has a first heating sub-element (40) which has at least one positive temperature coefficient thermistor (5), and the first heating sub-element (40) is connected to a second heating sub-element (42, 52, 62) which is designed to reduce the dependence of the heat output of the heating device (3) on an electric voltage applied to the heating element (6) in the event of an electric voltage with large values, in particular above 13 volt, so that the heat output dispensed to the thermal conducting element and the surrounding components with plastic encapsulation is not too high.

A flow heater for vehicles is described. The flow heater has a housing, which has an inlet and an outlet. A flow channel for fluid to be heated is disposed in the housing and leads from the fluid inlet to the fluid outlet. A heating plate forms a wall of a heated section of the flow channel and carries an electric heating resistor. A calorimetric flow sensor is provided for measuring a fluid flow in the flow channel.

An exhaust-gas heater for an exhaust system for an internal combustion engine includes a heating conductor with a first supply-voltage terminal, a second supply-voltage terminal and a heating region extending between the first supply-voltage terminal and the second supply-voltage terminal. A voltage-measuring section is integrated into the heating region.

The present disclosure relates to a device and a method for controlling a heater wire of a rear window of a vehicle. To reduce a drag force acting on the vehicle by pushing positively charged air (containing dust) by a positive voltage induced in the heater wire, and prevent the dust from adsorbing on the rear window of the vehicle, the device includes a switch located on a connection line between an output terminal of the heater wire mounted on the rear window of the vehicle and a negative (−) terminal of a battery disposed in the vehicle, a booster for boosting a voltage output from a positive (+) terminal of the battery and supplying the boosted voltage to an input terminal of the heater wire, and a controller that controls the switch.

A method of preventing washer fluid freezing is provided. The method includes performing hose residual washer fluid removal control that removes residual washer fluid of a hose which is a movement path of washer fluid after a spray of the washer fluid by operation of a pump washer fluid device.

A transportation apparatus includes: a window member; a first heating unit arranged to heat a first region of the window member; a second heating unit arranged to heat a second region of the window member; and a control unit configured to control driving of the first heating unit and the second heating unit. The first region and the second region are adjacent regions. The control unit performs first heating control of making a heating output of the first heating unit larger than a heating output of the second heating unit.

The invention relates to a method for managing heat in the event of detecting overheating of an electrical heating device, in particular for a motor vehicle, comprising a plurality of resistive elements configured to be supplied with electric power using a control signal by pulse width modulation according to a setpoint. According to the invention, the method comprises the following steps: activating a first phase (P1) of gradual adjustment of the setpoint in a first direction of progression, and repeating the first phase (P1) of adjustment until the recorded duty cycle of the control signal by pulse width modulation (PWM_(sub)system) exceeds a determined detection threshold value (PWM_(sub)system_lim_i), and if not, —activating a second phase (P2) of adjustment of the setpoint in a second direction of progression opposite the direction of progression in the first adjustment phase (P1). The invention also relates to a control unit for implementing such a method.

The invention concerns a heat management method for an electric heating device comprising at least one subassembly of resistive elements configured to be electrically supplied and a support for a circuit supplying power to the resistive elements, wherein the power supply of the resistive elements is controlled according to a power setpoint (P_(sub)system_target_0) or temperature (T_(sub)system_target_0) or electrical current amplitude (i_(sub)system_target_0) or resistance (R_(sub)system_target_0), or even a duty ratio of the control signal (PWM_(sub)system_target_0). According to the invention, the method comprises the following steps: recording the temperature (T_PCB) of the support of the circuit supplying power to the resistive elements, comparing the recorded temperature (T_PCB) with at least one predefined temperature threshold (T1), and if the recorded temperature (T_PCB) is greater than or equal to the at least one predefined temperature threshold (T1), generating a command to reduce the setpoint by a predetermined step. The invention also concerns a corresponding heat management strategy and control unit.

The present invention relates to a combined capacitive sensor and heating apparatus (10, 60, 70) having a capacitive sensor device for detecting the presence of a capacitively effective actuation means in a detection region of the sensor device, and having a heating device, wherein the sensor and heating apparatus (10, 60, 70) has an electrical combined sensor and heating element (4), wherein a synchronization device (40) is configured to capture an actual voltage applied to the first electrical path (P1) between the first pole (V+) of a voltage source and the first connection (5) of the combined sensor and heating element (4) and/or an actual current flow and/or to capture an actual voltage applied between the second connection (6) of the combined sensor and heating element (4) and the second pole (GND) and/or an actual current flow and to detect an instantaneous actual state of the heating device on the basis thereof, and to control the sensor device and/or output at least one control signal for at least partially controlling the sensor device on the basis of the detected actual state of the heating device.