Low voltage electromagnetic pulse actuator

Details Low voltage electromagnetic pulse actuator Low voltage electromagnetic pulse actuator

1989-08-03

1991-02-05

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Reciprocating

2924354, 72430, 318114, 318130, H02K 3300

Patent

active

049908057

ABSTRACT:
The apparatus includes a driver (86). The driver (86) includes a front portion (90) which is adapted to receive a riveting die (92), and a rear portion (88) which is a copper plate. The copper plate (88) is receptive to the establishment of magnetic field currents therein. The actuator further includes a coil (72) which is positionable in close proximity to the copper plate (88) of the driver (86). The apparatus further includes a bank of capacitors having a stored charge so as to produce a current pulse through the coil (72) when the capacitors are connected to the coil (72). Still further, the apparatus includes a control means for selectively connecting the stored charge from the capacitors to the coil. The copper plate (88) is relatively thick compared to that used in high voltage electromagnetic actuators, such that the present apparatus requires only a relatively low voltage in order to produce the required high forces to accomplish the desired riveting.

REFERENCES:
patent: 3646791 (1972-03-01), Leftheris
patent: 3731370 (1973-05-01), Leftheris
patent: 4151735 (1979-05-01), McDermott
patent: 4553074 (1985-11-01), Jacquemet

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