Electrical generator or motor structure – Dynamoelectric – Reciprocating
Patent
1984-03-08
1987-06-16
Duggan, Donovan F.
Electrical generator or motor structure
Dynamoelectric
Reciprocating
310 32, H02K 4100
Patent
active
046738339
ABSTRACT:
An electromagnetic vibratory exciter for use in vibratory equipment incorporates a free mass housed in an elongate 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 air gap is maintained during operation between the electromagnets and the armatures through the use of compression elements interposed between the electromagnet housing and the armatures of the free mass.
REFERENCES:
patent: 2094785 (1937-10-01), Flint
patent: 2187717 (1940-01-01), Weyandt
patent: 2467748 (1949-04-01), Hittson
patent: 3293515 (1966-12-01), Klemm
patent: 3404299 (1968-10-01), MacBlane
patent: 3604059 (1971-09-01), Sturman
Dean Arthur L.
Kraft Robert E.
Marshall Kenneth M.
Duggan Donovan F.
FMC Corporation
Megley Richard B.
Rudy Douglas W.
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