Fuel feed module with integral resistor
A fuel feed module for delivering fuel from a fuel tank includes a fuel feed pump and a flange. The fuel feed module is fixable to the fuel tank by the flange. The fuel feed module includes a resistor, which is electrically conductively integrated into a ground path of the fuel feed pump, the resistor being integrated into the flange of the fuel feed module.
1. A fuel feed module ( 2 ) for delivering fuel from a fuel tank ( 1 ) having an opening at an upper end thereof, the fuel feed module ( 2 ) comprising:
a fuel feed pump ( 4 );
a resistor ( 7 ) electrically conductively integrated into a ground path of the fuel feed pump ( 4 ), the resistor having a first contact ( 16 ) protruding directly from a first end of the resistor ( 7 ) and a second contact ( 22 ) protruding directly from a second end of the resistor ( 7 );
an electrically conductive mounting device ( 10 ), the resistor ( 7 ) being arranged in the mounting device ( 10 ), the mounting device ( 10 ) having:
a first portion ( 15 ) electrically conductively connected to the first contact ( 16 ) of the resistor ( 7 ),
a second portion ( 17 ) electrically conductively connected to the second contact ( 22 ) of the resistor ( 7 ), and
contact elements ( 18 , 19 , 20 ) configured to electrically connect the resistor ( 7 ) to a chassis ground via the ground path; and
a flange ( 3 , 30 ) that attaches the fuel feed module ( 2 ) to the opening at the upper end of the fuel tank ( 1 ), the flange having the mounting device ( 10 ) and the resistor ( 7 ) integrated therein,
wherein the flange ( 3 , 30 ) comprises a plastic injection molded part, and wherein the resistor ( 7 ) is encased within the plastic injection molded part of the flange ( 3 , 30 ).
2. The fuel feed module ( 2 ) as claimed in claim 1 , wherein the flange ( 3 , 30 ) comprises a material configured and arranged so as to imperviously encase the resistor ( 7 ).
3. The fuel feed module ( 2 ) as claimed in claim 1 , the fuel feed module ( 2 ) further comprising contacts ( 18 , 19 , 20 ) that pass through the plastic injection molded part, the resistor ( 7 ) being electrically connectable via the contacts ( 18 , 19 , 20 ).
4. The fuel feed module ( 2 ) as claimed in claim 1 , wherein the flange ( 3 , 30 ) has at least two electrical contact elements ( 19 , 20 ) on one outer face of the flange ( 3 , 30 ), the at least two contact elements ( 19 , 20 ) being electrically conductively interconnected by the resistor ( 7 ).
5. The fuel feed module ( 2 ) as claimed in claim 1 , wherein the mounting device ( 10 ) is partially encased by an electrically insulating material, the resistor ( 7 ) being entirely encased by the electrically insulating material.
6. The fuel feed module ( 2 ) as claimed in claim 1 , wherein the contact elements ( 18 , 19 , 20 ) are each bent outwards from a first plane, and wherein the contact elements ( 18 , 19 , 20 ) are electrically conductively interconnected by the resistor ( 7 ).
7. The fuel feed module ( 2 ) as claimed in claim 1 , wherein the mounting device ( 10 ) comprises an electrically conductive material, and wherein the contact elements ( 18 , 19 , 20 ) are electrically conductively interconnected by the resistor ( 7 ).
8. The fuel feed module ( 2 ) as claimed in claim 1 , wherein the mounting device ( 10 ) and the resistor ( 7 ) are together integrated into the flange ( 3 , 30 ), and wherein the mounting device ( 10 ) and the resistor ( 7 ) are imperviously encased within material of the flange ( 3 , 30 ).
9. The fuel feed module ( 2 ) as claimed in claim 1 , further comprising a housing ( 21 ) arranged on an outer face of the flange ( 3 , 30 ) and connected to the flange ( 3 , 30 ), wherein the mounting device ( 10 ) and the resistor ( 7 ) are together at least partially encased by the housing ( 21 ).