Endless belt power transmission systems or components – Control for variable input to output speed-ratio
Patent
1996-05-29
1998-03-31
Schoeppel, Roger J.
Endless belt power transmission systems or components
Control for variable input to output speed-ratio
474 70, 474110, 474139, F16H 6100
Patent
active
057332142
ABSTRACT:
In a system for adjusting the tension of an endless transmitting belt in an internal combustion engine, a control system automatically adjusts the tension to be applied from a tensioner to the endless transmitting belt. The control system includes a driving-side rotational state detecting device for detecting the rotational state of a driving wheel which drives the endless transmitting belt. A driven-side rotational state detecting device detects the rotational state of a driven wheel driven by the endless transmitting belt. A control unit calculates a difference in rotational phase between the driving and driven wheels from results of detection by both rotational state detecting devices and controls the operation of a tension changing device in accordance with the difference in rotational phase. Thus, it is possible to accurately and quickly accommodate a very small variation in tension of the transmitting belt without specially using a strain gauge.
REFERENCES:
patent: 4077272 (1978-03-01), Busso
patent: 4959042 (1990-09-01), Tanaka et al.
Saka Tsutomu
Shiki Katsuaki
Shimamura Kaoru
Honda Giken Kogyo Kabushiki Kaisha
Schoeppel Roger J.
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