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John Alfred Prestwich
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Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System
(AREA)
Abstract
24,225. Prestwich, J. A. Oct. 30. Rotary cylindrical valves. -A handoperated rotary cylindrical throttle valve f, Fig. 1, for a carburettor is cut away on its leading edge f<3> so as to uncover the mixture outlet passages f<1> in succession. Rotary disk valves.-The combustible fluid is controlled by a rotary disk valve which is formed with a number of grooves d<2> controlling a corresponding number of apertures e through which the fluid passes. Tubular valves.-According to the Previsional Specification, the passages f<1> may be arranged in rows, and may be throttled by a reciprocating movement.
GB190624225D1906-10-301906-10-30Improvements in or relating to Carburettors for Internal Combustion Engines.
ExpiredGB190624225A
(en)