A practical treatise on modern gas and oil engines (1902)
Grover, Frederick · Manchester, The Technical Publishing Co., Limited; [etc., etc.] · leaf 75
d to make its movementindependent of the difference of pressure upon its upperand lower faces, a strong spiral spring is attached to thelever L, fig. 44, tending always to force the air valve on itsseat. The cam driving L gives the air valve a long and ashort stroke alternately, the former for the… … S5 «m apa« o S5 o < la p 315 O TYPES OF GAS EKGIXES. Uj stroke the air already compressed by the larger piston Dexpands, and gives back to the engine the energy stored init by compression. At the end of the ontstroke the exhaustvalve opens, and releases the pressure in the combustionchamber. It…
Internal combustion engines
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