Electromagnetic vibratory exciter

Details Electromagnetic vibratory exciter Electromagnetic vibratory exciter

1982-02-25

1984-06-19

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Reciprocating

310 15, H02K 3300

Patent

active

044554966

ABSTRACT:
An electromagnetic vibrating exciter for use in vibratory equipment incorporates a free non mass housed in an elongated housing having electromagnets mounted inboard at each end of the housing. The free mass is totally enclosed and carries a pair of armatures for cooperation with the electromagnets.
An airgap is maintained during operation between the electromagnet and the armatures through the use of compression elements interposed between the electromagent housing and the armature of the free mass.

REFERENCES:
patent: 1945015 (1934-01-01), Wurzbach et al.
patent: 2280610 (1942-04-01), Young
patent: 2434337 (1948-01-01), Soderstrom
patent: 2694156 (1954-11-01), Cerminara
patent: 2898532 (1959-08-01), Wintermute
patent: 3293515 (1966-12-01), Klemm
patent: 3333219 (1967-07-01), Making
patent: 3522460 (1970-08-01), Spurlin
patent: 3764834 (1973-10-01), Brosch et al.
patent: 3775625 (1973-11-01), Brosch et al.

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