Solenoid with variable magnetic path

Details Solenoid with variable magnetic path Solenoid with variable magnetic path

1997-11-10

1999-04-06

Kaufman, Joseph A.

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Reciprocating

2395854, 2395855, 335126, 335236, 335237, 25112914, 25112918, B05B 130, H01F 312, H01F 708

Patent

active

058906622

ABSTRACT:
An electromagnetic solenoid includes a housing enclosing an electromagnetic coil assembly. An armature is disposed within the electromagnetic coil assembly. An end of the housing is provided with an annular groove. A nut is selectively received by the groove for varying the magnetic path of the coil assembly. Adjustment of the nut thereby sets the solenoid at a predetermined armature activation force accounting for manufacturing tolerances of the solenoid components as well as variations in the electric current supplied to the coil assembly.

REFERENCES:
patent: 220126 (1879-11-01), Six et al.
patent: 2438770 (1948-03-01), Tillman
patent: 2636386 (1953-04-01), Schultheis et al.
patent: 5110087 (1992-05-01), Studtmann et al.
patent: 5435343 (1995-07-01), Buezis
patent: 5513673 (1996-05-01), Slavin et al.
patent: 5608369 (1997-03-01), Irgens et al.
patent: 5661895 (1997-09-01), Irgens

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