Encapsulated apparatus

Details Encapsulated apparatus Encapsulated apparatus

1991-03-08

1992-08-11

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335260, 336 96, H01F 700, H01F 2702

Patent

active

051382920

ABSTRACT:
In an electromagnet of a type including a coil and a ferromagnetic circuit which are arranged in a casing of plastic material or metal, the coil and the ferromagnetic circuit are embedded in an inner casting compound for purposes of fixation and electrical insulation, with a permanently elastic outer casting compound being arranged over the inner casting compound.

REFERENCES:
patent: 2743308 (1956-04-01), Bardsley
patent: 3587168 (1971-06-01), Kolator
patent: 3683303 (1972-08-01), Ayano
patent: 3848331 (1974-11-01), Pavlik
patent: 3860896 (1973-01-01), Van Der Hoek
patent: 4042955 (1977-08-01), Imai et al.
patent: 4484161 (1984-11-01), Barger
patent: 4514712 (1985-04-01), McDougal
patent: 4814734 (1989-03-01), Moran
patent: 4849728 (1989-07-01), Goll et al.

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