Browse Prior Art Database

Air Motor

IP.com Disclosure Number: IPCOM000091832D
Original Publication Date: 1968-May-01
Included in the Prior Art Database: 2005-Mar-05
Document File: 2 page(s) / 32K

Publishing Venue

IBM

Related People

Hayunga, CP: AUTHOR

Abstract

This motor yields a relatively high torque at a very low speed. Output shaft 1 is driven by a pulley 2 of one inch diameter over which a piece of oxide coated MYLAR* tape 3 one half inch wide, is wrapped. Tape 3 is placed under suitable weight, e.g., 165 grams tension. In this case, air at 45 psi input pressure is driven down two 15 mil slots 4, one on each side of the tape, which sets the tape into high-frequency vibration. This vibration succeeds in revolving the pulley in a clockwise direction at a speed of 2 RPM with an output torque of 10 inch-grams. Higher speeds are obtained by higher input pressures. Since there are no moving parts except the pulley, high reliability RPM is achieved. Trademark of E. I. du Pont de Nemours and Co.

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Air Motor

This motor yields a relatively high torque at a very low speed. Output shaft 1 is driven by a pulley 2 of one inch diameter over which a piece of oxide coated MYLAR* tape 3 one half inch wide, is wrapped. Tape 3 is placed under suitable weight, e.g., 165 grams tension. In this case, air at 45 psi input pressure is driven down two 15 mil slots 4, one on each side of the tape, which sets the tape into high-frequency vibration. This vibration succeeds in revolving the pulley in a clockwise direction at a speed of 2 RPM with an output torque of 10 inch-grams. Higher speeds are obtained by higher input pressures. Since there are no moving parts except the pulley, high reliability RPM is achieved. Trademark of E.
I. du Pont de Nemours and Co.

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