Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device
Patent
1997-12-17
1999-07-20
Gellner, Michael L.
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
With magneto-mechanical motive device
335278, 335281, 239 88, 2395851, H01F 300
Patent
active
059260823
ABSTRACT:
The present solenoid stator assembly is adapted to be mounted upon a mounting seat of a fuel injector valve. The assembly includes a housing having an upper end, a lower end, and a base adapted to fit on the mounting seat of the fuel injector valve. A substantially E-shaped stator core is disposed within the housing. The stator core includes a top portion having a first end and a second end. A first outer pole piece depends substantially perpendicularly from the first end, and a second outer pole piece depends substantially perpendicularly from the second end. The central pole piece is located substantially central to the first and second outer pole pieces, and depends substantially perpendicularly from the top portion in a direction substantially parallel to that of the first and second outer pole pieces. The first and second outer pole pieces and the central pole piece each have a distal end forming a face, each face being substantially flush with the base of the housing. A reinforcement band is disposed about the lower end of the housing, and reinforces the housing against expanding cavity pressure developed within the assembly by fuel pressure from within the fuel injector valve.
REFERENCES:
patent: 2370752 (1945-03-01), Ray
patent: 5155461 (1992-10-01), Teerman et al.
patent: 5339063 (1994-08-01), Pham
patent: 5370095 (1994-12-01), Yamaguchi et al.
patent: 5524825 (1996-06-01), Ueda
Coleman Steven B.
Shively Kirk S.
Burrows J. W.
Caterpillar Inc.
Donato, Jr. Mario J.
Gellner Michael L.
Nguyen Tuyen T.
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