About 29 results
https://drivepatents.com/patents/1395595 · 2 Jul 2025
Die vorliegende Erfindung betrifft eine Rohrheizung für die Erwärmung eines Medium führenden Rohres mit einer PTC-Heizeinrichtung (4) mit zumindest einem PTC-Element (6) und Leiterbahnen (8; 10), wobei das PTC-Element (6) sich in Längsrichtung des Rohr...
https://drivepatents.com/patents/947004 · 13 Jan 2016
The present invention relates to a control device for an electric heating device with a support element (48) and a bus bar (20) fastened thereto, which is electrically conductively connected to an SMD component (4), and aims to specify a control device wit...
https://drivepatents.com/patents/950260 · 17 Jun 2015
The present invention relates to an electrical heating device, in particular for a motor vehicle, with a housing (2) which encloses a circulation chamber (14) through which a medium can flow, into which at least one heating fin (22) projects, which is in h...
https://drivepatents.com/patents/950239 · 17 Jun 2015
The present invention relates to an electric heating device, in particular for heating a temperature-control medium in a motor vehicle, with a housing (2) that has pipe connections (10) for connecting pipes carrying the temperature-control medium and enclo...
https://drivepatents.com/patents/967924 · 29 Oct 2014
The present invention relates to a water heater with a housing (2) that has pipe connections for the connection of water-carrying pipes and encloses a circulation chamber (14a, 14b), into which at least one heating fin (18) provided with an electrical heat...
https://drivepatents.com/patents/969870 · 24 Sep 2014
The heater has an electrical heating unit that is connected to terminal of battery of onboard network. A control device (18) is provided for switching electrical heating unit. The motor car onboard network is provided with a positive temperature co-efficie...
https://drivepatents.com/patents/970526 · 3 Sep 2014
The device (3) has separately controllable heating stages provided with a positive temperature coefficient (PTC) heating element (30). A control device (15) adjusts a heating power of each stage. Temperature sensors are connected with the control device. T...
https://drivepatents.com/patents/970524 · 3 Sep 2014
The device has a heating block that is provided with a positive temperature coefficient (PTC) heating element (30) that is in heat conducting contact with a radiator element (40) for heat radiation. Housing is provided with a frame (20) to receive heating ...
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/976901 · 26 Mar 2014
The system has a 12-V subnet provided with a first voltage source (10) and a first set of consumers (12), and a 48-V subnet provided with a second voltage source (20) and a second set of consumers (16, 22). A connection between the subnets exists over a sw...