. Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries. 254. ROTARY ENGINE. Recesses are formed in tne pistonhaving an S-shaped partition between them, the recesses opening at opposite ends of the piston intothe steam chests, and by means ofports into an annular space be-tween the casing and piston. Thepiston has an eccent
. Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries. 254. ROTARY ENGINE. Recesses are formed in tne pistonhaving an S-shaped partition between them, the recesses opening at opposite ends of the piston intothe steam chests, and by means ofports into an annular space be-tween the casing and piston. Thepiston has an eccentric portionwhich has a perfect contact bear-ing with the inner wall of thecasing by means of a yieldingblock in a recess on its periphery,the eccentric also acting alternatelyto press back abutment blocksadapted to slide on antifrictionball bearings in recesses in thearms of the casing. The steamsupply pipe connects with a pas-sage communicating with a circularchamber in which is a rotary valve,by means of which steam may be directed into either of the branchpipes connecting with the steam chests at the ends of the piston, thearrows showing the direction of the steam when admitted into the. STEAM POWER APPLIANCES. lo; right hand pipe. The valve chamber also connects with a steam dis-charge pipe, the valve being turned by means of a handle or wheel todirect the steam into one or the other of the branch tubes, when theopposite tube will form the outlet pipe for reversing the engine. 255. Longitudinal section, detailing the parts as above described. 256. PENDULUM COMPOUND ENGINE. This is a com-pound engine of the pendulum type, the upper or high-pressure cylinder being surrounded by the steamchest A A. When the pendulum is in theposition shown the live steam is admittedto the right of the high-pressure blade, asshown by the arrow. Meanwhile thesteam on the left of the upper blade isexhausted from that chamber to the leftof the low-pressure blade. The spentsteam on the right of the
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Keywords: ., bookauthorhiscoxgardnerdexter18, bookcentury1900, bookdecade1910
