Permanent-magnet front or control coupling to transfer measured

Details Permanent-magnet front or control coupling to transfer measured Permanent-magnet front or control coupling to transfer measured

1992-10-23

1994-06-28

Crowder, Clifford D.

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Electrical or magnetic coupling

H02K 4910, G01D 506, G01F 105, G01F 302

Patent

active

053242327

ABSTRACT:
The invention concerns a permanent magnet front or central coupling unit that generally works through a watt to transfer measured values and torque in units that may, for example, be used in the volume gauge technology. In accordance with the task, the permanent magnet coupling shall be designed so that its transferable maximum torque is not present in the starting state and that it thus exhibits vibration-damping properties. In accordance with the invention, this is achieved by the fact that one or several permanent magnets are arranged in a fixed manner and that the poles are located such that they produce repulsive forces in their effective direction, i.e., the respective opposite magnet poles are of equal denomination. In the stationary state, the magnet poles thus occupy the greatest possible distance from each other, resulting in the lowest possible transferable torque. As a function of the required load, the coupling halves begin to rotate and the transferable torque increases to the required value. The coupling thus exhibits vibration-damping properties.

REFERENCES:
patent: 2481360 (1949-09-01), Sprenger
patent: 3221389 (1965-12-01), Cowell
patent: 4095426 (1978-06-01), Rhodes
patent: 4152099 (1979-05-01), Bingler
patent: 4767378 (1988-08-01), Obermann
patent: 4836826 (1989-06-01), Carter
patent: 5045026 (1991-09-01), Buse
patent: 5215501 (1993-06-01), Ushikoshi

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