. The effect in economy of an automobile engine of varying the igniter and fuel valve opening. FIG. 4. ,i^ .nn The cylindsra are cast in pali^a and aro4-3/8 X 4-3/4. The piatona ara of the trunktype, each fitted with three cast iron snaprings near the upper end, ao as to make a snugfit, preventing the leakage of gases into thecrank case. The valvea are of the muahroom typeand conically seated. They are operated bycams fitted with tapered pins to the cam are forced to their seats by helicalsprings on the stems. The crank shaft is drivenby a one-to-two spiral gear. CARBURATIONThe carb
. The effect in economy of an automobile engine of varying the igniter and fuel valve opening. FIG. 4. ,i^ .nn The cylindsra are cast in pali^a and aro4-3/8 X 4-3/4. The piatona ara of the trunktype, each fitted with three cast iron snaprings near the upper end, ao as to make a snugfit, preventing the leakage of gases into thecrank case. The valvea are of the muahroom typeand conically seated. They are operated bycams fitted with tapered pins to the cam are forced to their seats by helicalsprings on the stems. The crank shaft is drivenby a one-to-two spiral gear. CARBURATIONThe carburation of the air on its wayto the cylinders is accomplished by means ofa 1-1/4 Scheblor carburetor, model *D a cutof which I3 shown on page 6. The bov^l containsthe intake and float chambers. The float iamade of cork, heavily shellaced and is hingedto a small valve, by means of which it con-trols the supply of gasoline into the A Compenaation air valve B Float chamber C Mixing chamber D Spraying nozzle E Needle valve F Float G Reversible union H Float valve J Float hinge K Throttle disk L Float chanber cover M Air valvo adjusting screw N Cork gaaket 0 Air valve apring P Throttle lever R Pipe connection 3 Throttle stop T Drain cock U Float valve cap y Flushing pin FIG. 5 Prom ths float cha^iber the gaaolineis dravj-n throup-h the spraying nozzle by theair passing it; tie mixtui-e then pasaea intothe intake pipe of the engine. The needlevalve TThich regulates the size of the sprayia seldom opened mo:-9 than three-fourths ofa turn. For low speeds the air for the mix-ture enters through a notch in the seat ofthe compensating valve. When the speed in-ci-eaaos, more air la required since tho flo\7of gasoline is greater, and this additionalsupply is drawn througii the compensatingvalve which opens against the resistance ofa spring. In this manner an approxirnatolyuniform mixture of gas and air is secured atvarious
Size: 1450px × 1724px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bo, bookcentury1900, bookdecade1900, bookideffectineconomyo00dekk
