NON-LINEAR SPRING SYSTEM FOR VIBRATING EQUIPMENT

A spring system for a vibration driver provides a non-linear stiffening reaction force as the deflection of the spring system increases. In a vibration driver, particularly an electromagnetic vibration driver, a reciprocating plate provides opposing bumpers which engage opposing elastomer blocks alt...

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Bibliographische Detailangaben
Hauptverfasser:	PATTERSON, HAROLD E, SLEPPY, PAUL I
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER CONVEYING DYNAMO-ELECTRIC MACHINES ELECTRICITY ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERATION HANDLING THIN OR FILAMENTARY MATERIAL HEATING LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING PACKING PERFORMING OPERATIONS PNEUMATIC TUBE CONVEYORS SHOCK-ABSORBERS SHOP CONVEYOR SYSTEMS SPRINGS STORING THERMAL INSULATION IN GENERAL TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A spring system for a vibration driver provides a non-linear stiffening reaction force as the deflection of the spring system increases. In a vibration driver, particularly an electromagnetic vibration driver, a reciprocating plate provides opposing bumpers which engage opposing elastomer blocks alternately during the stroke of the plate. Elastomer blocks include on three or four sides an elastomer impregnated fabric. The fabric controls the bulging of the elastomer block during impact by the bumper, substantially changing the spring rate of the elastomer block, to increase the resonant frequency of the spring system as the machine stroke increases. Increasing resonant frequency controls the stroke amplitude of the plate for a consistent feed rate of resonant tuned vibratory material handling equipment.