Coupling device

Details Coupling device Coupling device

2011-07-12

2011-07-12

Bochna, David E (Department: 3679)

Pipe joints or couplings

Packed

Screw thimble-gland

C123S470000

Reexamination Certificate

active

07976073

ABSTRACT:
A coupling device for hydraulically and mechanically coupling a fuel injector to a combustion engine fuel rail has a fuel injector cup with a central longitudinal axis. The fuel injector cup is hydraulically coupled to the rail and engages an injector fuel inlet portion. A first ring element coupled to the cup prevents movement relative to the cup in a central axis direction. The first ring element has a first screw thread. A second ring element is coupled to the injector preventing movement of the second ring element relative to the injector in a central axis direction. The second ring element has a second screw thread in engagement with the first screw thread retaining the fuel injector in the fuel injector cup in central axis direction. One of the ring elements is designed to be rotatable around the central longitudinal axis relative to the injector and/or the cup.

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European Search Report and Written Opinion for Application No. 09000673.5 (6 pages), Jun. 29, 2009.

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