Multiple coil, multiple armature solenoid

Details Multiple coil, multiple armature solenoid Multiple coil, multiple armature solenoid

1993-05-28

1995-06-06

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335264, 335266, 335268, H01F 500, H01F 700, H01F 708

Patent

active

054226171

ABSTRACT:
A multiple coil, multiple armature solenoid is disclosed. The solenoid has; multiple armatures slidably disposed on a common slip shaft, with separate coils disposed about the corresponding armatures. The conductor coils, through magnetic induction, displace the armatures through respective linear strokes along the slip shaft. By varying the stroke length of the various armatures, it is possible to use an armature that travels through a short stroke length to generate kinetic energy that is transferred through the slip shaft to actuate an armature that must travel through a longer stroke length. In this manner, the problem of a high breakaway force associated with a long stroke armature is resolved.

REFERENCES:
patent: 1645628 (1927-10-01), Smith
patent: 2935663 (1960-05-01), Pollack
patent: 3017546 (1962-01-01), Bates
patent: 3219854 (1965-11-01), McLaughlin
patent: 3488614 (1970-01-01), Macy
patent: 3491319 (1970-01-01), Cox et al.
patent: 3763412 (1973-10-01), Detrick et al.
patent: 4081774 (1978-03-01), Barrett et al.
patent: 4361309 (1982-11-01), Sogabe
patent: 4546955 (1985-10-01), Beyer et al.
patent: 4697164 (1987-09-01), Eilertsen

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