| Patent application number | Description | Published |
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| 20090139983 | Electric Heating Apparatus, Especially for Motor Vehicles - The invention describes a heating apparatus comprising at least one heater ( | 06-04-2009 |
| 20100045421 | Electric Circuit With Thermal-Mechanical Fuse - A electric circuit includes a connection to a current source, an electric load, and a thermal-mechanical fuse which, in the case of failure at an excessive heat emission, interrupts the current supply to the load, which is effectuated by a feeder in which is arranged a spring having two ends, at least one end is soldered to a solder point provided in the feed line. The one solder point is under a mechanical pretension caused by the restoring force of a spring, that separates the solder joint between the spring and the solder point in the feed line, when the solder melts at the solder point. | 02-25-2010 |
| 20110051388 | PRINTED CIRCUIT BOARD WITH A FUSE AND METHOD FOR THE MANUFACTURE OF A FUSE - Some invention embodiments relate to a method for forming a fuse which electrically connects two metal surfaces ( | 03-03-2011 |
| 20110069943 | Apparatus for Heating Fluids - The invention relates to an apparatus for heating fluids, comprising a housing in which a duct runs, through which the fluid to be heated can flow and which leads from a housing opening for fluid to enter to a housing opening for fluid to exit. According to the invention, the duct extends in several convolutions along a housing wall carrying at least one heater housing, in which at least one electric heating element is arranged. | 03-24-2011 |
| 20110240631 | ELECTRICAL HEATING UNIT, PARTICULARLY FOR CARS - The invention relates to a heater comprising at least one electric heating element and at least one heat-dissipating panel that has holes through which a fluid to be heated can flow, The heat-dissipating panel is heat conductively connected at the at least one heating element and is provided with a front side facing the heating element and a rear side. In an area lying across from the heating element, the heat-dissipating panel has a cross-section that is open towards the heating element. | 10-06-2011 |
| 20120261403 | Electric Heating Device - The invention relates to a heating device comprising at least one tube housing in which at least one PTC heating element is arranged, and heat exchangers which are secured on the tube housing. According to the invention, it is provided that the heat exchangers are secured on the tube housing by stamping. | 10-18-2012 |
| 20130163971 | ELECTRIC HEATING DEVICE - The invention relates to an electric heating device for a motor vehicle, said electric heating device comprising a ceramic heating resistor and a metal cooling body, which has two mutually opposed primary sides, wherein one of the two primary sides forms an inflow side, against which a fluid stream to be heated flows. In accordance with this disclosure, the heating resistor is arranged in a groove, which is located in one of the two primary sides of the cooling body. | 06-27-2013 |
| 20140050466 | ELECTRIC HEATING DEVICE FOR HEATING FLUIDS - The invention relates to a electric heating device for heating fluids, comprising at least one heating resistor, a screw, which defines a helical flow channel, and a tube housing, which surrounds the screw. In accordance with this disclosure, the screw has a core in which the at least one heating resistor is arranged. | 02-20-2014 |
| 20140061174 | HEATING ROD AND METHOD FOR PRODUCTION THEREOF - This disclosure relates to a method for producing a heating rod for a vehicle heating apparatus, said method comprising the following steps: arranging at least one PTC element and at least one contact element in a tube, which is formed from sheet metal and is open along a longitudinal side; welding portions of the sheet metal that bear against one another by means of a weld seam running in the longitudinal direction of the tube. This disclosure also relates to such a heating rod. | 03-06-2014 |
| 20140086566 | Electric Heating Device for Heating Fluids - The invention relates to an electric heating device for heating fluids, comprising at least one heating rod, which has at least one heating element, a housing, which encloses the heating rod and has an inlet opening and an outlet opening, wherein the inlet opening and the outlet opening are interconnected by a winding flow channel. According to the invention, the flow channel forms a helix that has a longitudinal axis, wherein the heating rod is disposed next to the longitudinal axis of the helix and extends through a helically winding wall of the flow channel at a plurality of points. | 03-27-2014 |
| 20140178054 | VEHICLE HEATER AND METHOD FOR PRODUCING A VEHICLE HEATER - The invention relates to electric vehicle heater comprising at least one tube, in which at least one heating element is arranged, and at least one heat transfer panel, which is fastened to the tube and has a plurality of flow openings for an airflow to be heated. According to the invention, the heat transfer panel is a component that sits in a groove in the tube, said groove running in the longitudinal direction of the tube. The invention also relates to a method for producing a vehicle heater, wherein at least one heating element is arranged in a tube and at least one heat transfer panel is inserted into a groove on an outer side of the tube. | 06-26-2014 |
| 20140217089 | HEATING ROD - The invention relates to a heating rod, comprising a housing made of metal, a heating element disposed in the housing, and a contact plate, which is seated against the heating element with a front and which protrudes from the housing. It is provided according to this disclosure that the contact plate is an aluminum sheet having an anodized back and the contact plate comprises projections for positioning the heating element. | 08-07-2014 |
| 20140219641 | CERAMIC ROD AND AUXILIARY HEATER OR LIQUID HEATER COMPRISING A CERAMIC HEATING ROD - This disclosure relates to a ceramic rod having a ceramic PTC heating conductor and a ceramic insulation layer, which is sintered with the PTC heating conductor. According to this disclosure, the PTC heating conductor has a transition temperature that does not exceed 300° C., and preferably does not exceed 200° C. This disclosure also relates to the use of a ceramic rod, which comprises a ceramic PTC heating conductor and a ceramic insulation layer, which is sintered with the PTC heating conductor, as a heating rod for an auxiliary heater or a liquid heater in a motor vehicle. This disclosure also relates to an auxiliary heater for heating an air flow and a liquid heater comprising a heating rod, which is a ceramic rod, which has a ceramic PTC heating conductor and a ceramic insulator sintered therewith. | 08-07-2014 |
| 20140348497 | CONTINUOUS-FLOW HEATER - The invention relates to a continuous-flow heater having a housing, which comprises an inlet opening and an outlet opening, and a heater housing, which comprises at least one tubular chamber, in which at least one heating element is arranged. In accordance with this disclosure a plurality of ribs are arranged on a front side and a rear side of the heater housing, said ribs defining, between themselves, flow channel portions for liquid to be heated. | 11-27-2014 |
| 20140355965 | VEHICLE HEATER - The invention relates to a vehicle heater, comprising at least one pipe, which has a plurality of chambers, ceramic heating elements, which are arranged in the chambers, and contact plates, which rest against the heating elements in the chambers via a front side and face an upper side or underside of the chamber via a rear side, wherein at least two chambers of the pipe are separated by an intermediate wall, which runs from the upper side to the underside of these two chambers. The contact plates have a slit, in which the intermediate wall is arranged. | 12-04-2014 |
| Patent application number | Description | Published |
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| 20100083584 | DISPERSION COMPRISING CERIUM OXIDE AND SHEET SILICATE - A dispersion comprising cerium oxide particles and particles of one or more sheet silicates, where the zeta potential of the sheet silicate particles is negative and that of the cerium oxide particles is positive or equal to zero, and the zeta potential of the dispersion is negative overall, the mean particle diameter of the cerium oxide particles and the mean particle diameter of the sheet silicate particles is not more than 100 nm and the pH of the dispersion is from 7.5 to 10.5, preferably from 9 to 10. | 04-08-2010 |
| 20100102268 | DISPERSION COMPRISING CERIUM OXIDE AND COLLOIDAL SILICON DIOXIDE - A dispersion comprising cerium oxide particles and colloidal silicon dioxide particles, where—the zeta potential of the silicon dioxide particles is negative and that of the cerium oxide particles is positive or equal to zero, and the zeta potential of the dispersion is negative overall, and—the mean particle diameter of the cerium oxide particles is not more than 200 nm and that of the silicon dioxide particles is not more than 100 nm, the mean particle diameter of the cerium oxide particles being greater than that of the silicon dioxide particles—the cerium oxide/silicon dioxide weight ratio is from 1.1:1 to 100:1 and—the pH of the dispersion is from 7.5 to 10.5. | 04-29-2010 |
| 20100163785 | DISPERSION COMPRISING CERIUM OXIDE, SILICON DIOXIDE AND AMINO ACID - A dispersion comprising particles of cerium oxide and colloidal silicon dioxide and in each case one or more aminocarboxylic acids and/or salts thereof, where the zeta potential of the silicon dioxide particles is negative and that of the cerium oxide particles is positive or equal to zero, and the zeta potential of the dispersion is negative overall, the mean diameter of the • cerium oxide particles is not more than 200 nm silicon dioxide particles is less than 100 nm, the content, based in each case on the total amount of the dispersion, of • cerium oxide particles is from 0.1 to 5% by weight silicon dioxide particles is from 0.01 to 10% by weight and • aminocarboxylic acid or salt thereof is from 0.01 to 5% by weight and —the pH of the dispersion is from 7.5 to 10.5. | 07-01-2010 |
| 20100171069 | DISPERSION COMPRISING CERIUM OXIDE, SILICON DIOXIDE AND AMINO ACID - A dispersion comprising particles of cerium oxide and sheet silicate and one or more aminocarboxylic acids and/or salts thereof, where the zeta potential of sheet silicate particles is negative and that of the cerium oxide particles is positive or equal to zero, and the zeta potential of the dispersion is negative overall, the mean diameter of the•cerium oxide particles is not more than 200 nm•sheet silicate particles is less than 100 nm, the content, based in each case on the total amount of the dispersion, of•cerium oxide particles is from 0.1 to 5% by weight•sheet silicate particles is from 0.01 to 10% by weight and•aminocarboxylic acid or salt thereof is from 0.01 to 5% by weight and the pH of the dispersion is from 7.5 to 10.5. | 07-08-2010 |
