Torque measuring device particularly for a multishaft extruder

Details Torque measuring device particularly for a multishaft extruder Torque measuring device particularly for a multishaft extruder

1996-04-25

1999-02-23

Dougherty, Elizabeth L.

Measuring and testing

Dynamometers

Responsive to torque

73862325, G02L 122

Patent

active

058746820

ABSTRACT:
An assembly for applying a torque from an output shaft to an input shaft of an apparatus, such as a multishaft extruder, and for measuring the applied torque. The assembly includes a connecting sleeve for torque-transmittingly coupling the output shaft with the input shaft; and a torque measuring device having expansion measuring strips, a signal amplifier, a transmitting ring antenna and a receiving antenna. The connecting sleeve has a first length portion carrying the expansion measuring strips and a second length portion carrying the signal amplifier and the transmitting ring antenna. A torque-transmitting arrangement torque-transmittingly couples solely the first length portion of the connecting sleeve with the output shaft and the input shaft, so that the second length portion of the connecting sleeve is free from a torque-transmitting connection with the input shaft.

REFERENCES:
patent: 2563425 (1951-08-01), Schaevitz
patent: 3329066 (1967-07-01), Wood III
patent: 3857280 (1974-12-01), Panzeri
patent: 4186596 (1980-02-01), Bohringer et al.
patent: 4655092 (1987-04-01), Taig
patent: 4754652 (1988-07-01), Coulter et al.
patent: 4838077 (1989-06-01), Shifflet et al.
patent: 5524485 (1996-06-01), Bernard et al.
patent: 5650573 (1997-07-01), Bruns et al.

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