Rotation variation testing machine

Details Rotation variation testing machine Rotation variation testing machine

G - Physics

01

M

73/157

G01M 13/02 (2006.01)

Patent

CA 1325118

"ROTATION VARIATION TESTING MACHINE" Abstract of the Disclosure Apparatus for testing a power transmission drive in- tended for use with a reciprocating engine by use of an electric drive motor in lieu of the engine. The motor is provided in an adjustable input shaft driving unit which provides a variable speed drive of the power transmission drive corresponding to a variable speed drive effected by a reciprocating engine. In one form, the drive speed is var- ied by a controlled brake which, in the illustrated embodi- ment, is an eddy current brake. The brake may be utilized in conjunction with a variable speed input shaft driving unit for providing a second speed variation or may be used independently thereof. Alternatively, the electric motor may be operated by a control arranged to provide a speed variation of the electric motor corresponding accurately with the reciprocating engine characteristics. Control cir- cuitry for effecting the desired brake control and motor control are disclosed.

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