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Knight's Mechanical Encyclopedia (ed. Knight) 2 0 Browse Search
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Knight's Mechanical Encyclopedia (ed. Knight), G. (search)
patent, March 19, 1861; Dick's, 1867; Million, 1867. The ammoniacal engine has been termed a gasengine, but this latter name is more fairly applicable to those engines in which the force is obtained by the inflammation of the charge, rather than to those in which the motor is an elastic vapor under pressure. Frot's ammonia-engine resembles the steam-engine so closely that comparative experiments with the vapor of water and of ammonia have been made with it. See ammoniacal engine. R. Waller (English patent, No. 1019 of 1854) uses condensible and permanent gases; as carbonic acid, ether, air. Vaporizes by steam or hot water. Arbos (English patent, 3108 of 1862), steam and gas combined. N. H. Barbour (No. 46,769, March 14, 1865) has a traveling car with reservoir supplied with carbonic acid from condensing stations along the route. See compressed air-engines on this principle; Bompas and others, pp. 602 – 604. In Delaporte's ammoniacal gas-engine, a is the boiler, d t