Integral rotational displacement sensor for an hydraulic motor

Details Integral rotational displacement sensor for an hydraulic motor Integral rotational displacement sensor for an hydraulic motor

1985-12-04

1987-07-14

Husar, Stephen F.

Motors: expansible chamber type

With signal, indicator or inspection means

73502, 418 2, 418 61B, F01B 3112

Patent

active

046794883

ABSTRACT:
An integral sensor for an hydraulic motor measures speed, torque and rotation displacement produced by the motor by combining pressures produced in pressure chambers of the hydraulic motor as the rotor rotates enabling a pressure sensor to provide a pressure signal defined by at least three states which permits incremental movement of the rotor to be determined. Zero positioning determined by coupling pressure through the rotor to create a unique occurrence reflected in the pressure signal once per revolution.

REFERENCES:
patent: 3667290 (1972-06-01), Hohn
patent: 4051351 (1977-09-01), Mallick, Jr. et al.
patent: 4593555 (1986-06-01), Krutz et al.

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