LOW-COST LINEAR ACTUATOR HAVING A MOVING PRINTED COIL ASSEMBLY DEFINED ON A PRINTED CIRCUIT BOARD

A linear actuator includes a magnet housing having first and second planar sides, a front plate and a rear plate, and a base plate covering a channel defined by the magnet housing. A first plurality of magnets is secured to the first planar side and a second plurality of magnets is secured to the se...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	VU, Toan Minh, NEFF, Edward A
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY INDUCTANCES MAGNETS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS
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Beschreibung
Zusammenfassung:	A linear actuator includes a magnet housing having first and second planar sides, a front plate and a rear plate, and a base plate covering a channel defined by the magnet housing. A first plurality of magnets is secured to the first planar side and a second plurality of magnets is secured to the second planar side. A linear guide slidably secured to an inner surface of the base plate. A piston assembly has a piston element attached to the linear guide. The piston assembly includes a shaft and a printed circuit board attached to the piston element. The printed circuit board defines a controller and a printed coil assembly. A flex cable is electrically connected to the printed circuit board. The piston assembly is disposed to move linearly during operation of the linear actuator.