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Sydney Asline Ward
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Publication of GB190700308ApublicationCriticalpatent/GB190700308A/en
308. Ward, S. A. Jan. 5. Pistons.-The split packing-ring F of a highspeed piston is limited in expansion by solid rings D, E, formed with bevelled surfaces engaging similar surfaces on the packing-ring. The coverplate C is preferably recessed, as shown. Expansions of the packing-ring is assisted by a suitable internal spring. In a piston valve, the rings D, E may be modified in form.
GB190700308D1907-01-051907-01-05Improvements in Pistons for High Speeds
ExpiredGB190700308A
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