Measuring and testing – Brake testing – Single wheel rotating and resistance measuring means
Patent
1977-08-19
1979-05-15
Ruehl, Charles A.
Measuring and testing
Brake testing
Single wheel rotating and resistance measuring means
73 1C, G01L 316
Patent
active
041540972
ABSTRACT:
A dynamometer and method for determining the power of a prime mover includes drive means mounted for rotation by a prime mover, and oscillatory means adapted to move in a linear reciprocal manner. Translation means are provided whereby the rotary motion of the drive means is transformed to linear reciprocal movement of the oscillatory means, the force imposed on the oscillatory means by the translation means being directly proportional to the angular force imposed by the drive means on the translation means. Means are further provided for applying a variable resistive force to the oscillatory means in opposition to movement thereof in one direction without generating significant amounts of friction heat, movement in the one direction being caused by the translation of motion from the drive means. The amount of resistive force imposed on the oscillatory means is correlated with the rotary speed of the drive means to determine the torque of the drive means and the power of the prime mover.
REFERENCES:
patent: 2795131 (1957-06-01), Booth
patent: 3115029 (1963-12-01), Better
patent: 3321962 (1967-05-01), Grady
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