Method and apparatus are disclosed for determining and controlling a vehicle load current and temperature through the use of a common current sensor. An example vehicle includes a power source, an electrical sensor configured to detect a total current provided by the power source to a plurality of electrical loads, and a processor. The a processor is configured to determine a target load temperature based on the total current, and set a voltage duty cycle of the target load to maintain the target load temperature.

A protection circuit includes a first sensor connecting path having a first overcurrent protection element and connecting one of terminals of a first temperature sensor to a sensor input circuit; a second sensor connecting path having a second overcurrent protection element and connecting one of terminals of a second temperature sensor to the sensor input circuit; a rectifying element connecting the first sensor connecting path, whose normal voltage is higher than a reference voltage line, to the reference voltage line in a section between the first overcurrent protection element and the sensor input circuit; and an overvoltage protection element connecting the second sensor connecting path, whose normal voltage is higher than the reference voltage line, to the reference voltage line in a section between the second overcurrent protection element and the sensor input circuit.

A method for monitoring a temperature of a battery is provided. The method includes applying a thermochromatic coating to a surface of the battery. The method additionally includes directing electromagnetic radiation towards the thermochromatic coating, observing a thermochromatic response of the thermochromatic coating to the electromagnetic radiation, and identifying at least one portion of the battery that has experienced a temperature above a predefined threshold temperature, based on the thermochromatic response.

A temperature display device of a vehicle is provided, which includes a temperature sensor for detecting a temperature of coolant of an engine, the coolant being switched in circulation state by opening and closing a thermostat, between a first state where the coolant is circulated through a radiator and a second state where the coolant is circulated bypassing the radiator, a display unit for displaying a temperature of the coolant, and a controller for controlling a display mode of the display unit based on the detected temperature by the temperature sensor. When the detected temperature changes within a first temperature range where the thermostat is in an open state, the controller changes the displayed temperature on the display unit by less than the change of the detected temperature.

A sensor assembly includes a housing defining a cavity that includes a plurality of sensors, a semipermeable fabric covering an opening in the cavity, a fan positioned to direct airflow through the opening, and a controller programmed to activate the fan upon determining that a temperature of at least one sensor is above a threshold.

A method and a system for determining a temperature for pressurized fuel included in a high pressure fuel system arranged for providing fuel to an engine are presented. The method includes determining a first temperature for a first fuel volume included in a first section of the high pressure fuel system, where the first section includes a common rail fuel system. The method further includes determining a second temperature for a second fuel volume included in a second section of the high pressure fuel system, where the second section includes at least one fuel injector arranged in a cylinder head of the engine. The method also includes the step of determining the temperature for the pressurized fuel based at least on the first temperature and on the second temperature.

The device comprises a case body comprising a base body provided with a chamber for measuring the fluid and an electrical connector body, assembled to delimit together a housing internal to the case body, a detection element, an intermediate part for positioning the detection element including a transverse space for receiving the detection element and an environment gasket for sealing the internal housing with respect to the external environment. The part and the connector are shaped to cooperate by nesting in order to ensure a relative positioning of the part relative to the connector body and in a nested position, the part and the connector delimit together an external peripheral groove configured to receive the environment gasket.

A temperature sensing device for a turbine of an engine and a method for measuring the temperature of the turbine are disclosed. The turbine includes a turbine stage coupled to a rotatable shaft and an outer casing. First and second sensor holders are disposed between the rotatable shaft and the outer casing, and first and second temperature sensors disposed on the first and second sensor holders, respectively. Each of the first and second sensor holders has only one temperature sensor disposed thereon, the first and second temperature sensors are disposed at first and second distances from the rotatable shaft respectively, and the first and second distances are different.

A method and a system for diagnosing a failure of a temperature sensor for a fuel cell are provided. The method includes calculating a heating value that is generated at a fuel cell stack during a predetermined diagnosis time and then calculating a temperature variation of the fuel cell stack from the calculated heating value. A failure of a temperature sensor configured to measure a temperature of the fuel cell stack is then detected based on the calculated temperature variation of the fuel cell stack.

A charging plug for an electrically driven vehicle has a feed line for electrically connecting the charging plug to a charging infrastructure. The charging plug includes power contacts, a signal contact, a rectifier, and a control and protection device. The power contacts and signal contact electrically connect the charging plug to the vehicle. The rectifier is connected to the feed line and to the power contacts for converting an alternating current obtained by the feed line into a direct current that is delivered by the power contacts to the vehicle in a charging process. The control and protection device is connected to the feed line, to the power contacts and to the signal contact for matching the charging process to the vehicle by means of the signal contact.