DOUBLE-WALLED FUEL SUPPLY LINE ELEMENT AND CONNECTING FLANGE FOR THE SAME
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United States of America Patent
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Issued Date -
Oct 8, 2015
app pub date -
Mar 16, 2015
filing date -
Apr 4, 2014
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Abstract
A connecting flange for a double-walled fuel supply line configured for use in a fuel supply system of an internal combustion engine is disclosed. The connecting flange may have a mounting surface configured to fixedly arrange an outer line element of the double-walled fuel supply line element around an inner line element of the double-walled fuel supply line element. A tubular hollow space may be provided between the inner line element and the outer line element. The connecting flange may have an end face opposite to the mounting surface. In addition, the connecting flange may have a central bore extending between the mounting surface and the end face. The end face may have a projection or a recess surrounding the central bore. The end face may also have a pair of circumferentially extending grooves formed in a front surface of the projection or in a bottom surface of the recess.
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