Patent Number: 7,422,160

Title: Deep pocket seat assembly in modular fuel injector having axial contact terminals and methods

Abstract: A fuel injector and various methods relating to the assembly of the fuel injector. The fuel injector includes a power group subassembly connected to a valve group subassembly. The power group subassembly includes an electromagnetic coil, a housing, at least one terminal, and at least one overmold formed over the coil and housing. The terminal has a first generally planar surface contiguous with a generally planar surface of a terminal connector to electrically connect the terminal to the electromagnetic coil. The valve group subassembly includes a tube assembly having an inlet tube and a filter assembly. A pole piece couples the inlet tube to one end of a non-magnetic shell having a valve body coupled to the opposite end. An armature assembly confronts the pole piece and is adjustably biased by a member and adjusting tube toward engagement with a seat assembly. A lift setting device sets the axial displacement of the armature assembly. The seat assembly includes a flow portion and a securement portion having respective first and second axial lengths at least equal to one another.

Inventors: Dallmeyer; Michael (Newport News, VA)

Assignee: Siemens VDO Automotive Corporation

International Classification: F02D 1/06 (20060101); F02M 51/00 (20060101)

Expiration Date: 2020-09-09 0:00:00