Vibratory motor with oil and flame seal assembly
AssigneeDerrick Corporation
InventorAnthony J. Lipa
Life of this patent
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Abstract
A vibratory motor having an elongated housing having opposite ends, an electric motor positioned within the housing between the opposite ends, bearings in the opposite ends, a motor shaft extending into the opposite ends and supported by the bearings, eccentric weight chambers in the opposite ends proximate the bearings and between the bearings and the electric motor, explosion and leak-proof seal assemblies located proximate the eccentric weight chambers and between the eccentric weight chambers and the electric motor, each of the seal assemblies including an oil seal facing an adjacent eccentric weight chamber, and a flame path between the oil seal and the electric motor.
Claims14
In a vibratory motor having an elongated housing having opposite ends, an electric motor positioned within said housing between said opposite ends, bearings in said opposite ends, a motor shaft extending into said opposite ends and supported by said bearings, eccentric weight chambers in said opposite ends proximate said bearings and between said bearings and said electric motor, the improvement comprising explosion and leak-proof seal assemblies located proximate said eccentric weight chambers and between said eccentric weight chambers and said electric motor, each of said seal assemblies including an oil seal facing an adjacent eccentric weight chamber, and a flame path between said oil seal and said electric motor.
Dependencies are inferred from the claim text.