Gyroscopic virtual counterweight for cranes

Details Gyroscopic virtual counterweight for cranes Gyroscopic virtual counterweight for cranes

1995-09-05

1997-02-18

Herrmann, Allan D.

Machine element or mechanism

Gyroscopes

Combined

212195, 414719, G01C 1902, B66C 2372

Patent

active

056032390

ABSTRACT:
A large gyroscope adapted to be used in place of, or in addition, to the counterweights normally used on a crane to keep it from tipping when hoisting a load. The gyroscope is of fixed mass such that all road permits and restrictions can be satisfied without stripping the crane. Once on site, the crane will accelerate its gyroscope to a predetermined number of revolutions per minute (steady state). To induce the gyroscopic moment to counter the tipping moment under load, a motor will rotate the gyroscope with respect to the precession axis, thus inducing a gyroscopic moment. Theoretically, any amount of counter weights can be simulated by controlling the precession rotation and spin of this fixed mass gyroscope.

REFERENCES:
patent: Re13755 (1914-06-01), Forbes
patent: 3799358 (1974-03-01), Putnam

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