Measuring and testing – Brake testing – Single wheel rotating and resistance measuring means
Patent
1978-04-19
1979-10-02
Myracle, Jerry W.
Measuring and testing
Brake testing
Single wheel rotating and resistance measuring means
G01L 302
Patent
active
041693728
ABSTRACT:
Testing an engine having a rotary power output shaft by mechanically-coupling the output shaft of the engine to the rotor of a rotary electrical machine, operable alternatively in motor and generator modes, by connecting output/input conductors of the machine to conductors of an electrical supply main from which electrical power will be taken by the machine, when the machine is operating in the motor mode, and to which electrical power will be supplied by the machine, when the machine is operating in the generator mode, the electrical connections between the machine conductors and the supply main conductors being effected by a power converter including power-carrying devices of a semi-conductor type, e.g., thyristors, the power converter being operable to convert the output power from the machine to a form compatible with the main or to convert the main's supply to a form acceptable by the machine according to the mode of operation of the machine, controlling the power converter to operate the machine to apply either a controlled motoring or a controlled braking torque to the engine by changing the mode of operation of the machine and calculating and measuring the controlled torque.
REFERENCES:
patent: 3955410 (1976-05-01), Wakabayashi et al.
GE News Bulletin: Airplane Engines ... For War Plants, Jul. 1942, GE Company, Schenectady, N.Y.
Colwill John A.
Moulding Richard J.
Brush Electrical Machines Limited
Myracle Jerry W.
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