Torque monitoring system for rotary drain and sewer cleaning app

Details Torque monitoring system for rotary drain and sewer cleaning app Torque monitoring system for rotary drain and sewer cleaning app

1992-03-24

1993-04-06

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Implements

Pipe, tube, or conduit cleaner

226 25, B08B 902

Patent

active

051991292

ABSTRACT:
A rotary drain and sewer cleaning apparatus includes a flexible elongate cable insertable into a line. An end of the elongate cable is attached in a drum and a portion of the elongate cable is wound in the drum. A motor rotates the drum. A power supply and switch selectively provide current to the motor causing the motor to rotate. A circuit includes a sensor for measuring a motor drive torque as the drum rotates and generating a torque signal representing motor drive torque level. An indicator is controlled by the torque signal and indicates the torque level.

REFERENCES:
patent: 3496681 (1970-02-01), Oswald
patent: 3742548 (1973-07-01), Ciaccio
patent: 5031276 (1991-07-01), Babb et al.

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