A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
DÄMPFUNGSAGGREGAT ZUR DISKONTINUIERLICHEN DÄMPFUNG EINER DREHBEWEGUNG
It is known how to damp the rotation of rotating doors and similar access barriers by means of a discontinuous gear train in that preferably noncircular gears first convert the continuous door rotation into a discontinuous rotation on the output side and said discontinuous rotation is damped by means of a damping element. Known arrangements use gears having identical rolling curves for this purpose, which leads to an overshoot of the rotation and to intermittent damping action. This should be improved by the invention. Said aim is achieved by a damping unit that uses two noncircular gears having different rolling curves, of which one is egg shaped and the other in contrast is shortened and at the same time widened relative to the first. This results in a modified damping profile that enables more uniform motion of the revolving door. This arrangement also enables a motor drive, which can be operated at a constant rotational speed because of the arising sine- or cosine-shaped inverse curve of the gear train and which enables a clean end-position motion of the driven access barrier.
DÄMPFUNGSAGGREGAT ZUR DISKONTINUIERLICHEN DÄMPFUNG EINER DREHBEWEGUNG
It is known how to damp the rotation of rotating doors and similar access barriers by means of a discontinuous gear train in that preferably noncircular gears first convert the continuous door rotation into a discontinuous rotation on the output side and said discontinuous rotation is damped by means of a damping element. Known arrangements use gears having identical rolling curves for this purpose, which leads to an overshoot of the rotation and to intermittent damping action. This should be improved by the invention. Said aim is achieved by a damping unit that uses two noncircular gears having different rolling curves, of which one is egg shaped and the other in contrast is shortened and at the same time widened relative to the first. This results in a modified damping profile that enables more uniform motion of the revolving door. This arrangement also enables a motor drive, which can be operated at a constant rotational speed because of the arising sine- or cosine-shaped inverse curve of the gear train and which enables a clean end-position motion of the driven access barrier.
DÄMPFUNGSAGGREGAT ZUR DISKONTINUIERLICHEN DÄMPFUNG EINER DREHBEWEGUNG
DAMPING UNIT FOR DISCONTINUOUSLY DAMPING A ROTATIONAL MOTION
ENSEMBLE D'AMORTISSEMENT POUR L'AMORTISSEMENT DISCONTINU D'UN MOUVEMENT DE ROTATION
EICHNER HARALD (author)
2019-05-22
Patent
Electronic Resource
German
IPC:
E05F
DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION
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Vorrichtungen zum Bewegen der Flügel in die Offen- oder Schließstellung
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