F - Mech Eng,Light,Heat,Weapons – 24 – H
Patent
F - Mech Eng,Light,Heat,Weapons
24
H
F24H 3/04 (2006.01) B60N 2/56 (2006.01) F28F 1/10 (2006.01)
Patent
CA 2677285
The invention relates to an electric heating module for heating up air streams, in particular for heating and ventilating seats, comprising at least one PTC heating element and at least one annular heat dissipation region which is adjacent to said PTC heating element, through which air can flow and which has thermally conductive lamellae which are arranged so as to run in a substantially radial manner and are operatively connected to the PTC heating element and are combined with said PTC heating element to form a module. The invention is characterized in that the lamellae sit, by way of their radially inner portion, in a groove of a thermally conductive retaining ring, which groove is matched to the width of the radially inner portion of the lamellae.
La présente invention concerne un module chauffant électrique conçu pour réchauffer un flux d'air, en particulier pour chauffer et ventiler des sièges. Ce module comprend au moins un élément chauffant à coefficient de température positif (CTP) et au moins un région annulaire d'émission de chaleur qui est adjacente à l'élément chauffant et à travers laquelle de l'air peut passer. Cette région d'émission de chaleur comporte des lamelles thermoconductrices sensiblement radiales qui coopèrent avec l'élément chauffant à coefficient de température positif et qui constituent un module avec cet élément. Cette invention est caractérisée en ce que les lamelles reposent avec leur section radialement interne dans une encoche d'une bague de support thermoconductrice, laquelle encoche est adaptée à la largeur de la section radialement interne des lamelles.
Marks & Clerk
Microhellix Gmbh
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