About 19 results
https://drivepatents.com/patents/1366102 · 11 Jul 2024
A microclimate system for a vehicle occupant includes multiple microclimate thermal effectors. Each of the microclimate thermal effectors has a corresponding thermal effector controller and is configured to at least partially control an occupant thermal co...
https://drivepatents.com/patents/940926 · 6 Jul 2016
An in-vehicle radiant heater control apparatus includes: a temperature detection device (S345, S435, S435A) for a heater (30a - 30d) in a vehicle compartment; a first switch element (50) connected in series to the radiant heater between a power supply and ...
https://drivepatents.com/patents/952480 · 4 Feb 2015
A warm-up apparatus for a vehicle including a system which charges a battery by using an external power supply is provided. The warm-up apparatus includes a heater for warming up, a current detection means, a voltage detection means and a resistance changi...
https://drivepatents.com/patents/974587 · 21 May 2014
The heater has a set of positive temperature coefficient heating elements heating airflow. A temperature sensor (31) is arranged within the heater for measuring temperature for an indirect determination of a surface temperature of the heating element based...
https://drivepatents.com/patents/985987 · 20 Feb 2013
The method involves applying a test mode signal with a characteristic signal course to a control input (111) of a control device (110) and applying a test signal with a preset signal course to a test mode input (113) of the control device, to displace the ...
https://drivepatents.com/patents/985981 · 20 Feb 2013
The present invention relates to an electric heater apparatus including a switch control part for controlling a switching part (13) according to a control command of an air-conditioner controlling part (11); the switching part (13) switched according to a ...
https://drivepatents.com/patents/1008979 · 5 Oct 2011
The electrical heating device (100) has a controller that adjusts heating power by adjusting the flowing heating current. A sensor e.g. Hall sensor measures the total heating current. A calculation unit computes the momentary heating power from the measure...
https://drivepatents.com/patents/1008982 · 5 Oct 2011
The heating device (100) has a control device that adjusts heating power by modulating current flowing through an electrical heating stage. A non-volatile memory stores assignment table which assigns time period for activation of the electrical heating sta...
https://drivepatents.com/patents/1016337 · 19 Jan 2011
The method involves controlling power consumption of a positive temperature coefficient heater (24) for adjusting target temperature by mass flow rate (4). Partial current (8) of the mass flow rate is diverted and is guided by the positive temperature coef...
https://drivepatents.com/patents/1070208 · 8 Feb 2006
A purpose is to provide an air heater unit for a vehicle and an air heater system for a vehicle, capable of easily controlling energization to an air heater. An air heater system 200 for a vehicle includes an air heater 101 having an electrothermal heating...