Measuring and testing – Dynamometers – Responsive to torque
Patent
1986-08-26
1988-10-04
Ruehl, Charles A.
Measuring and testing
Dynamometers
Responsive to torque
G01L 310
Patent
active
047748451
ABSTRACT:
According to this method the linear expansion (.DELTA.L) of a reference shaft is measured with reference to that of the power shaft. The linear expansion of the reference shaft (R.sub.3) is converted into a movement of rotation of an annular phonic wheel (B.sub.3) by means of the free end (J) of this shaft engaged in a helical groove in the inner surface of the annular wheel (B.sub.3).
REFERENCES:
patent: 3258961 (1966-07-01), Van Manen
patent: 4444063 (1984-04-01), Snowden et al.
patent: 4602515 (1986-07-01), Eichenlaub
Barbe Roger H. L.
Dufau Alain M.
Haehner Edgar H.
Ruehl Charles A.
Turbomeca
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