The valve-setter's guide; a treatise on the construction and adjustment of the principal valve gearings used on American locomotive (1910)
Kennedy, James, 1848-1922 · New York, A. Sinclair company · leaf 58
al cut-off for the two endsof the stroke. But this error is correctedby attaching the lower end, D, of thelever, E, to the vibrating link, B; forwhile the point A in the connecting rodis performing a nearly true ellipse, thepoint D in the vibrating link B is movingin a figure, DOPQ, Fig. i, like an… … FIG. 2. PLAN OF THE JOY VALVE GEAR. either way, the center, F, of the valvelever coincides with the center of the slot,and, therefore, the slot may be movedover from forward to backward gearwithout affecting the valve at all. It will be seen at a glance that if thelower end, D, of the lever, E,…
Locomotives
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