Apparatus for determining the position of a piston in a fluidic

Details Apparatus for determining the position of a piston in a fluidic Apparatus for determining the position of a piston in a fluidic

1993-12-29

1996-02-06

Cuchlinski, Jr., William A.

Measuring and testing

Blower, pump, and hydraulic equipment

116283, 116285, 74102, 74104, G01M 1900, F16H 2144, F16H 2518

Patent

active

054888603

ABSTRACT:
Apparatus for determining the position of a piston in a hydraulically or pneumatically operated actuator including a fixed position, rotatable shaft having a pair of attached pins, each pin off-set from the center of the shaft. The pins are positioned on either side of a drive ring located about the circumference of the piston. When the piston moves in either direction, one of the pair of pins will remain in contact with the drive ring and cause uni-directional rotation of the shaft. In order to detect piston position, a sensor is mounted to detect shaft rotation.

REFERENCES:
patent: 1841568 (1932-01-01), Bradley
patent: 2903233 (1959-09-01), Magor
patent: 3463554 (1969-08-01), Bueler
patent: 3915070 (1975-10-01), Mailliet
patent: 4571994 (1986-02-01), Dickey et al.
patent: 4876531 (1989-10-01), Dondorf
patent: 4882977 (1989-11-01), Himeno et al.
patent: 4993259 (1991-02-01), LaFountain
patent: 5000077 (1991-03-01), Habicht

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