Dynamometers

Details Dynamometers Dynamometers

1984-11-01

1986-03-25

Ruehl, Charles A.

Measuring and testing

Brake testing

Roller or belt wheel support

73146, G01L 528

Patent

active

045774978

ABSTRACT:
A dynamometer comprises a drum mounted for rotation and driven by a drive motor, a test body coupled to the drum for rotation therewith in a fixed velocity relationship, a sensor apparatus for deriving the energy absorbed or dissipated by the test body, a sensor for determining the rotational velocity of the drum or body, and a control apparatus responsive to the energy absorbed or dissipated and to the rotational velocity and operative to supply a control signal to the drive motor to maintain the energy absorbed or dissipated as a predetermined function of drum speed.

REFERENCES:
patent: 3633412 (1972-01-01), Pelta
patent: 3722269 (1973-03-01), Gunnell et al.
patent: 3847012 (1974-11-01), Sperberg

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