Flange equipped with a heating element
A heating element, equipped with technology, applied in the direction of engine elements, immersion heating devices, mechanical equipment, etc., can solve problems such as inappropriate
Active Publication Date: 2015-05-13
PLASTIC OMNIUM ADVANCED INNOVATION & RES SA
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Problems solved by technology
However, the reach of this known heating element is still limited by the range of deformations that the flexible member can withstand without being damaged, and notable is the fact that the flexible member is an essentially flat, two-dimensional sheet
Thus, this known flexible heater can withstand bending or curling relatively well, but it is not suitable for defining a truly curved surface (such as a hemisphere), nor is it suitable for resisting shear forces, which would involve substantial compression or stretching of the material from which the film or films are made
Method used
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[0034] figure 1 The urea tank and flange 1 are shown with a flexible heating device 2 according to the prior art. Where the heating element 2 is used to avoid freezing of the vehicle fluid tank (e.g. a tank for holding a urea solution such as used in an emissions reduction system), an active auxiliary of the storage and / or injection system The piece 10 is advantageously positioned inside a flange 1 . Active accessory 10 may include a pump, a level gauge, a temperature sensor, a mass sensor, a pressure sensor, a pressure regulator, or the like. The flange 1 comprises a base or mounting plate, and a perimeter of any shape. By placing the active accessory 10 within the flange, it is possible to equip the active accessory with the desired vehicle fluid once the contents of the flange have reached a sufficiently high temperature to ensure fluidity. For example, if the tank is intended to store a eutectic water / urea solution, the contents of the flange need to be heated to -11°C,...
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A flange (101) for holding a quantity of fluid within a tank, said flange being equipped with a heating element comprising at least one resistive wire (102) for conducting an electrical current and dissipating heat as an effect of said current, characterized in that said heating element further comprises guiding means (103), and in that said at least one resistive wire (102) is guided at a plurality of separate locations along its length by said guiding means (103) to form a heating surface, wherein a first part of said heating surface is present inside said flange (101) and a second part of said heating surface is present outside said flange (101).
Description
technical field [0001] The invention relates to a flange for retaining a quantity of fluid in a tank, said flange being equipped with a heating element comprising at least one resistive wire for conducting an electric current and dissipating it as the Heat from the effect of the current described above. Background technique [0002] Patent application WO 2008 / 138960 A1 in the name of the applicant describes a urea tank and a base plate with an integrated heating element. The integrated heating element includes at least one flexible heating element. Preferably, the flexible part is a flexible heater, that is to say it comprises at least one resistive strip interposed between two flexible films or attached to a flexible film. [0003] The flexible member can be placed in a variety of positions, thus allowing heating of parts of the tank that cannot be reached by conventional heaters. However, the reach of this known heating element is still limited by the range of deformati...
Claims
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IPC IPC(8): H05B3/78F01N3/20
CPCB60K13/04B60K2015/03427F01N3/2066F01N2610/02F01N2610/10F01N2610/1406Y02T10/12Y02A50/20
Inventor伊格纳西奥·加西亚-洛伦扎纳斯特凡娜·莱昂纳德弗雷德里克·雅诺劳伦特·埃托尔
OwnerPLASTIC OMNIUM ADVANCED INNOVATION & RES SA