A filler tube for a tank made of plastic for preventing an incorrect filling of the tank is provided with a permanent magnet, which is accommodated in a liquid-tight manner, and with a plastic holder for holding the permanent magnet. The filler tube of the aforementioned type for a tank made of plas
A filler tube for a tank made of plastic for preventing an incorrect filling of the tank is provided with a permanent magnet, which is accommodated in a liquid-tight manner, and with a plastic holder for holding the permanent magnet. The filler tube of the aforementioned type for a tank made of plastic, which can be manufactured more easily, has fewer components and which can be mounted more easily. To this end, the filler tube is made of plastic and the plastic holder, which holds the permanent magnet, is directly connected in a liquid-tight manner to the filler tube.
대표청구항▼
1. A filler tube for a tank made of plastic for preventing an incorrect filling of the tank, having: a permanent magnet that is accommodated in a liquid-tight manner; anda plastic holder for said permanent magnet, wherein:the filler tube is made of plastic, and said plastic holder accommodating said
1. A filler tube for a tank made of plastic for preventing an incorrect filling of the tank, having: a permanent magnet that is accommodated in a liquid-tight manner; anda plastic holder for said permanent magnet, wherein:the filler tube is made of plastic, and said plastic holder accommodating said permanent magnet is directly joined to the filler tube in a liquid-tight manner;said plastic holder has an annular space, having a closed off base side, for said permanent magnet; andsaid annular space can be connected to at least one annular cover that is provided radially within the filler tube. 2. A filler tube for a tank made of plastic for preventing an incorrect filling of the tank, having: a permanent magnet that is accommodated in a liquid-tight manner; anda plastic holder for said permanent magnet, wherein:the filler tube is made of plastic, and said plastic holder accommodating said permanent magnet is directly joined to the filler tube in a liquid-tight manner;said plastic holder has an annular space, having a closed off base side, for said permanent magnet;said annular space can be connected to at least one annular cover that is provided radially within the filler tube; andsaid annular space for said permanent magnet is provided with cylindrical border walls that are axially of unequal lengths and that at their end face in each case contact an annular surface of the filler tube. 3. The filler tube as recited in claim 2, wherein: said plastic holder and the filler tube are glued, welded, or clamped (latched) to each other. 4. The filler tube as recited in claim 2, wherein: said plastic holder is centered within the filler tube by means of ribs that run axially on the exterior circumferential side of said plastic holder. 5. The filler tube as recited in claim 4, wherein: the filler tube further has: a radial interior support ring;several axial ventilation boreholes are advantageously arranged so as to be distributed over said radial interior support ring of the filler tube. 6. The filler tube as recited in claim 5, wherein: said axial ventilation boreholes, within the support ring of the filler tube, are flush with grooves that are arranged on the circumferential side between said ribs of said plastic holder. 7. The filler tube as recited in claim 5, wherein: the filler tube further has: a cover plate receptacle, and the filler tube at an axial distance from its cover plate receptacle is an integral part of a concentric interior basket, which stands on its head and whose base is radially joined on the exterior side to the interior wall of the filler tube, and, bordering on the interior wall, to said axial ventilation boreholes, andsaid interior basket is also provided centrally with a central axial opening, and an annular free space, which is aligned with said ventilation openings, between the concentrically arranged cylindrical interior basket and the interior wall of the filler tube.
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이 특허에 인용된 특허 (7)
Corfitsen Sten (Harrvgen 21 S-181 31 LidingSEX), Apparatus for the automatic fuelling of automotive vehicle.
Johnston Richard W. (Troy MI) Neuman John G. (Grosse Pointe Woods MI) Schroeder Thaddeus (Sterling Heights MI) Traub Norman L. (Cortland OH), Fuel tank fill tube with a magnetically actuated valve.
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