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Drive system suitable for pump or motor has drive shaft with flywheel with groove accommodating slider attached to Y-shaped oscillating crank with ends engaging on pin in through bore in driven shaft
Drive system suitable for pump or motor has drive shaft with flywheel with groove accommodating slider attached to Y-shaped oscillating crank with ends engaging on pin in through bore in driven shaft
The axis (7) of the drive shaft (5) lies at 90 degrees to that of the driven shaft (23). The two shafts are held in bearings (35) in an L-shaped frame (3). A flywheel (9,11) at the end of the drive shaft has a groove which is straight in end view, accommodating a slider on the end of a Y-shaped crank (15). The two forks of the Y-shape swivel on a transverse pin through the driven shaft. As the drive shaft and flywheel rotate, the slider moves along the length of the groove, and the Y-crank oscillates and imparts a rotary rocking motion to the driven shaft. A piston-cylinder arrangement (25) is mounted on the driven shaft.
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