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Publication of GB241610ApublicationCriticalpatent/GB241610A/en
Combustion Methods Of Internal-Combustion Engines
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Abstract
241,610. Wardill, H., Wardill, H. E., and Wardill, J. P. July 17,1924. Two-stroke-cycle engines.-An annular pumppiston c compresses mixture into an annular clearance space b<2> which communicates with the combustion space by ports a<1>, uncovered by the piston. The pump piston is driven by an eccentric d which is 138‹ to 160‹-preferably 142‹-in advance of the crank of the main piston. A hand-actuated de-compressing valve g<1> communicates w th the pipe leading from the main exhaust ports g. Specification 167,842 is referred to.