Apparatus for controlling chain tension

Details Apparatus for controlling chain tension Apparatus for controlling chain tension

1997-11-19

1999-12-07

Hannon, Thomas R.

Endless belt power transmission systems or components

Means for adjusting belt tension or for shifting belt,...

With sensor for controlling operation of shifter to correct...

1988104, F16H 722, B65G 4710

Patent

active

059974230

ABSTRACT:
A chain tension control apparatus for preventing a chain chattering in a power transmission system including main and subordinate sprockets and a chain connecting the main and subordinates sprockets. The apparatus maintains a chain tension by sensing a chain release and accordingly driving an electromagnet in accordance with a compensation signal that responds to chain release factors, and the chain tension in the apparatus is maintained by disposing a permanent magnet adjacent to the chain, thereby preventing chain vibration and noise from occurring.

REFERENCES:
patent: 3179240 (1965-04-01), Kain
patent: 3208296 (1965-09-01), Baermann
patent: 4372172 (1983-02-01), Gombocz et al.
patent: 4557372 (1985-12-01), Rajagopal
patent: 4657131 (1987-04-01), Brychta et al.
patent: 5002177 (1991-03-01), Winning
patent: 5752897 (1998-05-01), Skowrinski et al.

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