The Repertory of patent inventions [formerly The Repertory of arts, manufactures and agriculture]. Vol.1-enlarged ser

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Seite 250 - Having thus described the nature of my invention, and the manner of performing the same, I would have it understood that I do not confine myself to the details...
Seite 24 - Nicole, do hereby declare that the nature of my said Invention, and the manner in which the same is to be performed, are...
Seite 171 - I do hereby declare this to be my specification of the same, and that I do verily believe this my said specification doth comply in all respects fully and without reserve or disguise with the proviso in the said hereinbefore in part recited letters patent contained ; wherefore I hereby claim to maintain •exclusive right and privilege to my said invention.
Seite 53 - And in order that my invention may be most fully understood, and readily carried into effect, I will proceed to describe the means pursued by me in carrying out my invention.
Seite 185 - Consequently the piston, at every instant of its motion, remained in equilibrium with the external atmosphere, and no mechanical effect could result. Still in Ericsson's engine a mechanical effect had been produced ; but then this mechanical effect was no greater than would be produced without the aid of the regenerator, by the simple action of the furnace itself, and not so economically as by the use of steam. Further investigations were entered into of the theory of the...
Seite 180 - Esq., President, in the chair. The Paper read, was " On the use of Heated Air as a motive power," by Mr. Benjamin Cheverton. The author, in a short historical notice, stated that Sir George Cayley had written on the subject in 1804 and 1807, and had subsequently built several engines, but that the Messrs. Stirling, of Scotland, produced the first really efficient engine, working by means of heated air, in the year 1827 ; in the same year Messrs. Parkinson and Crosley brought forward their Air Engine;...
Seite 172 - Act made and passed in the fifth and sixth years of the reign of his late Majesty King William the Fourth, intituled
Seite 183 - About one-seventeenth part of the power produced would be expended in forcing in the air required to sustain the combustion of the fuel. The coal-hopper was co-axial with the furnace, and was kept cool by the supply water descending through its hollow shell into the interior. The system would be one of high...
Seite 184 - ... heat was restored ; but that operation could only result as a consequence of the motion of the piston, and not as a cause of its motion — hence no mechanical effort was made. This result was easily...
Seite 183 - ... raised one foot. It was proposed by Mr. Maxwell Lefroy to pass these gases through water, in order to purify them from grit, &c., and to cool them to a convenient temperature, and then to use them together with steam, in power cylinders. He proposed a system of co-axial cylinders, of which the central one was the furnace ; the two next were cylindrical shell boilers ; the water in the inner one of which completely covered the surface of the furnace...

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