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1 engine process
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2 process
обрабатывать ; перерабатывать ; подвергать какому-либо процессу ; процесс ; ход ; течение ; движение ; технологический процесс ; прием ; способ ; стадия ; состояние ; положение ; ? processed goods ; ? process costs ; ? process engineer ; ? process engine -
3 process control
1. управление технологическим процессом; управление процессом2. управление процессом -
4 engine lubrication
<mvhcl.mot> (process) ■ Motorschmierung f -
5 engine timing
<mot.mech> ■ Motorsteuerung f<mvhcl.mot> (ignition, valve timing; process and result) ■ Motoreinstellung f<mvhcl.mot> (stress on: opening and closing periods) ■ Ventilsteuerzeiten f ; Steuerzeiten f -
6 process of combustion
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7 search engine registration
E-comthe process of enlisting a Web site with a search engine, so that the Web site is selected when a user requests a search. The process involves choosing the right keywords and metadata for the documents, in order for them to be selected in as many appropriate circumstances as possible.When registering a Web site with search engines, it is important to consider which will be of most benefit. Of the hundreds of search engines and directories, only a few really matter in terms of mass appeal—such as Yahoo, Google, and Alta Vista. However, there may well be specialist search engines for your particular industry, which should be on your list. All search engines used to be free to register with, but many are now charging, so consider whether they are worth the fee. An increasing number sell special placements in their search results: you choose a keyword, and when that keyword is input by a searcher, a short promotion for your Web site will appear. Search engines also need to be monitored regularly, as they can change the rules by which search results are presented. If your Web site is dropping down the results page, you may need to re-register.The ultimate business dictionary > search engine registration
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8 charge changing process
English-german technical dictionary > charge changing process
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9 charge exchange process
English-german technical dictionary > charge exchange process
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10 combustion process
< comb> ■ Verbrennungsprozess m -
11 computer-process interface
устройство сопряжения вычислительной машины с технологическим процессом; устройство связи с объектом; УСОEnglish-Russian base dictionary > computer-process interface
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12 airframe and engine manufacturing industries
English-Russian big medical dictionary > airframe and engine manufacturing industries
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13 computer process control
failsoft control — управление с "мягким отказом"
English-Russian big medical dictionary > computer process control
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14 industrial process control
failsoft control — управление с "мягким отказом"
The English-Russian dictionary general scientific > industrial process control
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15 decision engine
Software or service able to process a large amount of data and provide reports that help users make more informed decisions. -
16 Roebuck, John
SUBJECT AREA: Chemical technology[br]b. 1718 Sheffield, Englandd. 17 July 1794[br]English chemist and manufacturer, inventor of the lead-chamber process for sulphuric acid.[br]The son of a prosperous Sheffield manufacturer, Roebuck forsook the family business to pursue studies in medicine at Edinburgh University. There he met Dr Joseph Black (1727–99), celebrated Professor of Chemistry, who aroused in Roebuck a lasting interest in chemistry. Roebuck continued his studies at Leyden, where he took his medical degree in 1742. He set up in practice in Birmingham, but in his spare time he continued chemical experiments that might help local industries.Among his early achievements was his new method of refining gold and silver. Success led to the setting up of a large laboratory and a reputation as a chemical consultant. It was at this time that Roebuck devised an improved way of making sulphuric acid. This vital substance was then made by burning sulphur and nitre (potassium nitrate) over water in a glass globe. The scale of the process was limited by the fragility of the glass. Roebuck substituted "lead chambers", or vessels consisting of sheets of lead, a metal both cheap and resistant to acids, set in wooden frames. After the first plant was set up in 1746, productivity rose and the price of sulphuric acid fell sharply. Success encouraged Roebuck to establish a second, larger plant at Prestonpans, near Edinburgh. He preferred to rely on secrecy rather than patents to preserve his monopoly, but a departing employee took the secret with him and the process spread rapidly in England and on the European continent. It remained the standard process until it was superseded by the contact process towards the end of the nineteenth century. Roebuck next turned his attention to ironmaking and finally selected a site on the Carron river, near Falkirk in Scotland, where the raw materials and water power and transport lay close at hand. The Carron ironworks began producing iron in 1760 and became one of the great names in the history of ironmaking. Roebuck was an early proponent of the smelting of iron with coke, pioneered by Abraham Darby at Coalbrookdale. To supply the stronger blast required, Roebuck consulted John Smeaton, who c. 1760 installed the first blowing cylinders of any size.All had so far gone well for Roebuck, but he now leased coal-mines and salt-works from the Duke of Hamilton's lands at Borrowstonness in Linlithgow. The coal workings were plagued with flooding which the existing Newcomen engines were unable to overcome. Through his friendship with Joseph Black, patron of James Watt, Roebuck persuaded Watt to join him to apply his improved steam-engine to the flooded mine. He took over Black's loan to Watt of £1,200, helped him to obtain the first steam-engine patent of 1769 and took a two-thirds interest in the project. However, the new engine was not yet equal to the task and the debts mounted. To satisfy his creditors, Roebuck had to dispose of his capital in his various ventures. One creditor was Matthew Boulton, who accepted Roebuck's two-thirds share in Watt's steam-engine, rather than claim payment from his depleted estate, thus initiating a famous partnership. Roebuck was retained to manage Borrowstonness and allowed an annuity for his continued support until his death in 1794.[br]Further ReadingMemoir of John Roebuck in J.Roy. Soc. Edin., vol. 4 (1798), pp. 65–87.S.Gregory, 1987, "John Roebuck, 18th century entrepreneur", Chem. Engr. 443:28–31.LRD -
17 stall
I 1. [stɔːl]1) (at market, fair) banco m., bancarella f.; (newspaper stand) chiosco m. dei giornali2) (in stable) posta f.3) equit. gabbia f. di partenza4) arch. (in church) stallo m., scanno m.5) (cubicle) (for shower) box m. doccia6) AE (parking space) posto m. auto2. II 1. [stɔːl] 2.1) [car, driver] fermarsi; [ engine] arrestarsi2) [ plane] andare in stallo3) (stagnate) [ market] fermarsi; [ talks] arrivare a un punto mortoIII 1. [stɔːl] 2.verbo intransitivo (play for time) temporeggiare* * *I [sto:l] noun1) (a compartment in a cowshed etc: cattle stalls.)2) (a small shop or a counter or table on which goods are displayed for sale: He bought a newspaper at the bookstall on the station; traders' stalls.)•- stallsII 1. [sto:l] verb1) ((of a car etc or its engine) to stop suddenly through lack of power, braking too quickly etc: The car stalled when I was halfway up the hill.)2) ((of an aircraft) to lose speed while flying and so go out of control: The plane stalled just after take-off and crashed on to the runway.)3) (to cause (a car etc, or aircraft) to do this: Use the brake gently or you'll stall the engine.)2. noun(a dangerous loss of flying speed in an aircraft, causing it to drop: The plane went into a stall.)III [sto:l] verb(to avoid making a definite decision in order to give oneself more time.)* * *[stɔːl]1. n1) (Agr: stable) stalla, box m inv, (Brit: in market) bancarella, banco, (at exhibition, fair) stand m inva newspaper/flower stall — chiosco del giornalaio/del fioraio
2) Theatre3) Aer stallo2. vt(plane) far andare in stallo3. vi1) (car, engine) bloccarsi, (plane) andare in stallo2)(
fig: delay) to stall for time — prendere tempo, temporeggiare* * *I 1. [stɔːl]1) (at market, fair) banco m., bancarella f.; (newspaper stand) chiosco m. dei giornali2) (in stable) posta f.3) equit. gabbia f. di partenza4) arch. (in church) stallo m., scanno m.5) (cubicle) (for shower) box m. doccia6) AE (parking space) posto m. auto2. II 1. [stɔːl] 2.1) [car, driver] fermarsi; [ engine] arrestarsi2) [ plane] andare in stallo3) (stagnate) [ market] fermarsi; [ talks] arrivare a un punto mortoIII 1. [stɔːl] 2.verbo intransitivo (play for time) temporeggiare -
18 control
1) управление; регулирование; регулировка || управлять; регулировать; задавать2) контроль; проверка || контролировать; проверять3) орган управления; орган регулировки, регулятор; орган настройки4) устройство управления; блок управления6) рукоятка или рычаг управления7) профилактические мероприятия, надзор•"operation is under control" — всё предусмотрено для нормальной работы;to gain control — вчт. получать управление:to go out of control — становиться неуправляемым;to operate ( to handle) the flight controls — оперировать органами управления полётом;to pass control — вчт. передавать управление;to return control — вчт. возвращать управление;to take over control — брать управление на себя;to transfer control — вчт. передавать управление-
cascaded control-
cathode control-
CO/O2 combustion control-
communications control-
computer control-
contactor-type control-
continuous-path control-
course gage control-
current-mode control-
dispatcher control-
focusing control-
holding control-
horizontal-frequency control-
hue range control-
long-distance control-
managerial control-
microprogramming control-
numerical program control-
on-off action control-
position-based control-
slide control-
step-by-step control-
time-pattern control -
19 stop
stop
1. past tense, past participle - stopped; verb1) (to (make something) cease moving, or come to rest, a halt etc: He stopped the car and got out; This train does not stop at Birmingham; He stopped to look at the map; He signalled with his hand to stop the bus.) impedir, evitar, detener2) (to prevent from doing something: We must stop him (from) going; I was going to say something rude but stopped myself just in time.)3) (to discontinue or cease eg doing something: That woman just can't stop talking; The rain has stopped; It has stopped raining.) parar4) (to block or close: He stopped his ears with his hands when she started to shout at him.) tapar(se)5) (to close (a hole, eg on a flute) or press down (a string on a violin etc) in order to play a particular note.) apretar, cubrir6) (to stay: Will you be stopping long at the hotel?) quedarse, permanecer
2. noun1) (an act of stopping or state of being stopped: We made only two stops on our journey; Work came to a stop for the day.) parada, alto, interrupción2) (a place for eg a bus to stop: a bus stop.) parada3) (in punctuation, a full stop: Put a stop at the end of the sentence.) punto4) (a device on a flute etc for covering the holes in order to vary the pitch, or knobs for bringing certain pipes into use on an organ.) registro, llave5) (a device, eg a wedge etc, for stopping the movement of something, or for keeping it in a fixed position: a door-stop.) tope•- stoppage- stopper
- stopping
- stopcock
- stopgap
- stopwatch
- put a stop to
- stop at nothing
- stop dead
- stop off
- stop over
- stop up
stop1 n paradastop2 vb1. parar / detenerdoes the number 35 bus stop here? ¿para aquí el autobús número 35?2. dejar / parar3. interrumpir4. impedirstop it! ¡basta ya!
stop /(e)s'top/ sustantivo masculino ( disco) stop sign
stop m Auto stop sign ' stop' also found in these entries: Spanish: alto - aparte - atajar - bajar - calentarse - callar - callarse - calzo - cascar - cesar - chorrada - consistir - coto - cuestión - dejar - dejarse - despreocuparse - detener - detenerse - discrecional - encontrarse - enrollarse - erradicación - escala - escampar - extemporánea - extemporáneo - gallina - garantizar - hoy - impedir - instar - ladrón - ladrona - lamentarse - lengua - macarra - mamarrachada - mariposear - ombligo - paliza - pamplina - parar - parada - paralizar - pararse - pedigüeña - pedigüeño - próxima - próximo English: be - blurt out - bus stop - by - daydream - dead - do - door stop - door stopper - draw - earth - fast - fiddle about with - full stop - get at - gloat - halt - harp on - jerk - mooch - must - nervous - next - now - pick on - pit stop - play around - request stop - rot - short - stand about - stand around - stop - stop by - stop off - stop out - stop over - stop sign - stop up - stop-off - stop-press - take out - tamper - threaten - time-wasting - urge - waste - way - whine - abruptlytr[stɒp]1 (halt) parada, alto2 (stopping place) parada■ which stop do you want to get off at? ¿dónde quieres bajar?3 (on journey) parada; (break, rest) descanso, pausa5 SMALLMUSIC/SMALL (on organ) registro; (knob) botón nombre masculino de registro; (on wind instrument) llave nombre femenino6 (in camera) diafragma nombre masculino1 (halt - vehicle, person) parar, detener; (- machine, ball) parar■ stop that man! he's taken my bag! ¡detened a ese hombre! ¡me ha robado el bolso!2 (end, interrupt - production) parar, paralizar; (- inflation, advance) parar, contener; (- conversation, play) interrumpir; (- pain etc) poner fin a, poner término a, acabar con■ they stopped £10 from my wages me retuvieron £10 del sueldo4 (cease) dejar de, parar de■ has it stopped raining? ¿ha dejado de llover?■ stop crying! ¡para de llorar!■ do you ever stop talking? ¿no paras de hablar jamás?■ stop it! ¡basta ya!5 (prevent) impedir, evitar■ what's stopping you? ¿por qué no lo haces?, ¿qué te lo impide?1 (halt) parar, pararse, detener, detenerse■ does this bus stop at the station? ¿este autobús para en la estación?2 (cease) acabarse, terminar, cesar■ the rain has stopped ha dejado de llover, ya no llueve■ no, I'm not stopping long no, no me quedo mucho rato■ are you stopping for lunch? ¿te quedas a comer?\SMALLIDIOMATIC EXPRESSION/SMALLstop thief! ¡al ladrón!to come to a stop pararse, hacer un altoto pull out all the stops tocar todos los registrosto put a stop to something poner fin a algoto stop a bullet recibir un balazoto stop at nothing (to do something) no pararse en barras (para hacer algo), no tener miramientos (para hacer algo)to stop dead in one's tracks pararse en secoto stop oneself contenerseto stop short pararse en secoto stop short of something no llegar a■ he insulted him, but he stopped short of hitting him lo insultó, pero no llegó a pegarleto stop the rot cortar por lo sanoto stop the show causar sensaciónto stop to think detenerse a pensarwithout stopping sin parar, sin cesarstop press noticias nombre femenino plural de última hora1) plug: tapar2) prevent: impedir, evitarshe stopped me from leaving: me impidió que saliera3) halt: parar, detener4) cease: dejar dehe stopped talking: dejó de hablarstop vi1) halt: detenerse, parar2) cease: cesar, terminarthe rain won't stop: no deja de llover3) stay: quedarseshe stopped with friends: se quedó en casa de unos amigos4)to stop by : visitarstop n1) stopper: tapón m2) halt: parada f, alto mto come to a stop: pararse, detenerseto put a stop to: poner fin a3) : parada fbus stop: parada de autobúsexpr.• alto expr.n.• cesación s.f.• chazador s.m.• estación s.f.• estada s.f.• fiador s.m.• fin s.m.• parada s.f.• retén s.m.• tope s.m.v.• acabar v.• cesar v.• detener v.(§pres: -tengo, -tienes...-tenemos) pret: -tuv-fut/c: -tendr-•)• escampar v.• hospedar v.• impedir v.• parar v.• pararse v.• poner fin a v.• represar v.• suspender v.• terminar v.stɑːp, stɒp
I
1) ( halt)to bring something to a stop — \<\<train/car\>\> detener* or parar algo; \<\<conversation/proceedings\>\> poner* fin a or interrumpir algo
to come to a stop — \<\<vehicle/aircraft\>\> detenerse*; \<\<production/conversation\>\> interrumpirse
to put a stop to something — \<\<to mischief/malpractice\>\> poner* fin a algo
2)a) ( break on journey) parada fafter an overnight stop in Madrid — después de hacer noche or de pasar la noche en Madrid
b) ( stopping place) parada f, paradero m (AmL exc RPl)3) ( punctuation mark) (esp BrE) punto m; ( in telegrams) stop m; see also full stopto pull out all the stops — tocar* todos los registros
II
1.
- pp- transitive verb1)a) ( halt) \<\<taxi/bus\>\> parar; \<\<person\>\> parar, detener*I stopped the car and got out — paré or detuve el coche y me bajé
b) ( switch off) \<\<machine/engine\>\> parar2)a) (bring to an end, interrupt) \<\<decline/inflation\>\> detener*, parar; \<\<discussion/abuse\>\> poner* fin a, acabar conb) ( cease)to stop -ING — dejar de + inf
3) ( prevent)what's stopping you? — ¿qué te lo impide?
I had to tell him, I couldn't stop myself — tuve que decírselo, no pude contenerme
to stop somebody (FROM) -ING — (esp BrE) impedirle* a alguien + inf, impedir* que alguien (+ subj)
to stop something -ING — impedir* que algo (+ subj)
to stop something happening — impedir* que ocurra algo
4)a) (cancel, withhold) \<\<subscription\>\> cancelar; \<\<payment\>\> suspenderto stop (payment of) a check — dar* orden de no pagar un cheque
b) ( deduct) (BrE) descontar*, retener*the boss stopped £30 out of my wages — el jefe me descontó or me retuvo 30 libras del sueldo
5) ( block) \<\<hole\>\> tapar; \<\<gap\>\> rellenar; \<\<tooth\>\> empastar6) ( parry) \<\<blow/punch\>\> parar, detener*
2.
vi1)a) ( halt) \<\<vehicle/driver\>\> parar, detenerse*stop, thief! — al ladrón!
to stop at nothing — estar* dispuesto a hacer cualquier cosa, no pararse en barras
b) ( interrupt journey) \<\<train/bus\>\> pararlet's stop here and have a rest — hagamos un alto or paremos aquí para descansar
c) ( cease operating) \<\<watch/clock/machine\>\> pararse2)a) ( cease)the rain has stopped — ha dejado or parado de llover, ya no llueve
the pain/bleeding has stopped — ya no le (or me etc) duele/sale sangre
b) ( interrupt activity) parar3) (colloq) ( stay) quedarse•Phrasal Verbs:- stop by- stop in- stop off- stop out- stop up[stɒp]1. N1) (=halt) parada f, alto m•
to be at a stop — [+ vehicle] estar parado; [+ production, process] quedar paralizadoto come to a dead or sudden stop — pararse en seco, detenerse repentinamente
to come to a full stop — [negotiations, discussions] paralizarse, quedar detenido en un punto muerto
•
to put a stop to sth — poner fin or término a algo, acabar con algo2) (=break, pause) descanso m, pausa f; (overnight) estancia f, estadía f (LAm), estada f (LAm); (for refuelling) escala f•
a stop for coffee — un descanso para tomar café•
to make a stop at Bordeaux — hacer escala en Burdeos•
a stop of a few days — una estancia de unos días•
without a stop — sin parar4) (Typ) (also: full stop) punto m5) (Mus) (on organ) registro m; [of guitar] traste m; [of other instrument] llave f- pull out all the stops6) (Mech) tope m, retén m7) (Phon) (also: stop consonant) (consonante f) oclusiva f2. VT1) (=block) [+ hole] tapar; [+ leak, flow of blood] restañar; [+ tooth] empastar•
to stop a gap — tapar un agujero; (fig) llenar un vacío2) (=arrest movement of) [+ runaway engine, car] detener, parar; [+ blow, punch] parar- stop a bullet3) (=put an end to) [+ rumour, abuse, activity, injustice] poner fin a, poner término a, acabar con; [+ conversation] interrumpir, suspender; [+ aggression] rechazar, contener; [+ production] (permanently) terminar; (temporarily) interrumpir4) (=prevent) evitar; (=forbid) prohibir, poner fin ato stop sb (from) doing sth — (=prevent) impedir a algn hacer algo, impedir que algn haga algo; (=forbid) prohibir a algn hacer algo, prohibir a algn que haga algo
can't you stop him? — ¿no le puedes impedir que lo haga?
to stop o.s. (from doing sth) — abstenerse (de hacer algo)
5) (=cease)•
stop it! — ¡basta ya!I just can't stop it — (=help it) ¡qué remedio!, ¡qué le vamos a hacer!
•
stop that noise! — ¡basta ya de ruido!•
stop that nonsense! — ¡déjate de tonterías!•
it has stopped raining — ha dejado de llover, ya no llueve6) (=suspend) [+ payments, wages, subscription] suspender; [+ cheque] invalidar; [+ supply] cortar, interrumpir•
all leave is stopped — han sido cancelados todos los permisos•
to stop the milk for a fortnight — (Brit) pedir al lechero que no traiga leche durante quince días3. VI1) (=stop moving) [person, vehicle] pararse, detenerse; [clock, watch] pararsewhere does the bus stop? — ¿dónde para el autobús?
stop! — ¡pare!
stop, thief! — ¡al ladrón!
2) (=pause, take a break) parar, hacer alto•
without stopping — sin parar3) (=cease, come to an end) terminar, acabar(se); [supply etc] cortarse, interrumpirse; [process, rain etc] terminar, cesar•
payments have stopped — (temporarily) se han suspendido los pagos; (permanently) han terminado los pagos•
when the programme stops — cuando termine el programa•
the rain has stopped — ha dejado de llover•
he seems not to know when to stop — parece no saber cuándo conviene hacer alto- stop at nothing4) * (=stay)to stop (at/with) — hospedarse or alojarse (con)
did you stop till the end? — ¿te quedaste hasta el final?
4.CPDstop button N — botón m de parada
stop press N — noticias fpl de última hora
stop press — (as heading) al cierre de la edición
stop sign N — (Aut) stop m, señal f de stop
- stop by- stop in- stop off- stop out- stop up* * *[stɑːp, stɒp]
I
1) ( halt)to bring something to a stop — \<\<train/car\>\> detener* or parar algo; \<\<conversation/proceedings\>\> poner* fin a or interrumpir algo
to come to a stop — \<\<vehicle/aircraft\>\> detenerse*; \<\<production/conversation\>\> interrumpirse
to put a stop to something — \<\<to mischief/malpractice\>\> poner* fin a algo
2)a) ( break on journey) parada fafter an overnight stop in Madrid — después de hacer noche or de pasar la noche en Madrid
b) ( stopping place) parada f, paradero m (AmL exc RPl)3) ( punctuation mark) (esp BrE) punto m; ( in telegrams) stop m; see also full stopto pull out all the stops — tocar* todos los registros
II
1.
- pp- transitive verb1)a) ( halt) \<\<taxi/bus\>\> parar; \<\<person\>\> parar, detener*I stopped the car and got out — paré or detuve el coche y me bajé
b) ( switch off) \<\<machine/engine\>\> parar2)a) (bring to an end, interrupt) \<\<decline/inflation\>\> detener*, parar; \<\<discussion/abuse\>\> poner* fin a, acabar conb) ( cease)to stop -ING — dejar de + inf
3) ( prevent)what's stopping you? — ¿qué te lo impide?
I had to tell him, I couldn't stop myself — tuve que decírselo, no pude contenerme
to stop somebody (FROM) -ING — (esp BrE) impedirle* a alguien + inf, impedir* que alguien (+ subj)
to stop something -ING — impedir* que algo (+ subj)
to stop something happening — impedir* que ocurra algo
4)a) (cancel, withhold) \<\<subscription\>\> cancelar; \<\<payment\>\> suspenderto stop (payment of) a check — dar* orden de no pagar un cheque
b) ( deduct) (BrE) descontar*, retener*the boss stopped £30 out of my wages — el jefe me descontó or me retuvo 30 libras del sueldo
5) ( block) \<\<hole\>\> tapar; \<\<gap\>\> rellenar; \<\<tooth\>\> empastar6) ( parry) \<\<blow/punch\>\> parar, detener*
2.
vi1)a) ( halt) \<\<vehicle/driver\>\> parar, detenerse*stop, thief! — al ladrón!
to stop at nothing — estar* dispuesto a hacer cualquier cosa, no pararse en barras
b) ( interrupt journey) \<\<train/bus\>\> pararlet's stop here and have a rest — hagamos un alto or paremos aquí para descansar
c) ( cease operating) \<\<watch/clock/machine\>\> pararse2)a) ( cease)the rain has stopped — ha dejado or parado de llover, ya no llueve
the pain/bleeding has stopped — ya no le (or me etc) duele/sale sangre
b) ( interrupt activity) parar3) (colloq) ( stay) quedarse•Phrasal Verbs:- stop by- stop in- stop off- stop out- stop up -
20 Evans, Oliver
SUBJECT AREA: Agricultural and food technology[br]b. 13 September 1755 Newport, Delaware, USAd. 15 April 1819 New York, USA[br]American millwright and inventor of the first automatic corn mill.[br]He was the fifth child of Charles and Ann Stalcrop Evans, and by the age of 15 he had four sisters and seven brothers. Nothing is known of his schooling, but at the age of 17 he was apprenticed to a Newport wheelwright and wagon-maker. At 19 he was enrolled in a Delaware Militia Company in the Revolutionary War but did not see active service. About this time he invented a machine for bending and cutting off the wires in textile carding combs. In July 1782, with his younger brother, Joseph, he moved to Tuckahoe on the eastern shore of the Delaware River, where he had the basic idea of the automatic flour mill. In July 1782, with his elder brothers John and Theophilus, he bought part of his father's Newport farm, on Red Clay Creek, and planned to build a mill there. In 1793 he married Sarah Tomlinson, daughter of a Delaware farmer, and joined his brothers at Red Clay Creek. He worked there for some seven years on his automatic mill, from about 1783 to 1790.His system for the automatic flour mill consisted of bucket elevators to raise the grain, a horizontal screw conveyor, other conveying devices and a "hopper boy" to cool and dry the meal before gathering it into a hopper feeding the bolting cylinder. Together these components formed the automatic process, from incoming wheat to outgoing flour packed in barrels. At that time the idea of such automation had not been applied to any manufacturing process in America. The mill opened, on a non-automatic cycle, in 1785. In January 1786 Evans applied to the Delaware legislature for a twenty-five-year patent, which was granted on 30 January 1787 although there was much opposition from the Quaker millers of Wilmington and elsewhere. He also applied for patents in Pennsylvania, Maryland and New Hampshire. In May 1789 he went to see the mill of the four Ellicot brothers, near Baltimore, where he was impressed by the design of a horizontal screw conveyor by Jonathan Ellicot and exchanged the rights to his own elevator for those of this machine. After six years' work on his automatic mill, it was completed in 1790. In the autumn of that year a miller in Brandywine ordered a set of Evans's machinery, which set the trend toward its general adoption. A model of it was shown in the Market Street shop window of Robert Leslie, a watch-and clockmaker in Philadelphia, who also took it to England but was unsuccessful in selling the idea there.In 1790 the Federal Plant Laws were passed; Evans's patent was the third to come within the new legislation. A detailed description with a plate was published in a Philadelphia newspaper in January 1791, the first of a proposed series, but the paper closed and the series came to nothing. His brother Joseph went on a series of sales trips, with the result that some machinery of Evans's design was adopted. By 1792 over one hundred mills had been equipped with Evans's machinery, the millers paying a royalty of $40 for each pair of millstones in use. The series of articles that had been cut short formed the basis of Evans's The Young Millwright and Miller's Guide, published first in 1795 after Evans had moved to Philadelphia to set up a store selling milling supplies; it was 440 pages long and ran to fifteen editions between 1795 and 1860.Evans was fairly successful as a merchant. He patented a method of making millstones as well as a means of packing flour in barrels, the latter having a disc pressed down by a toggle-joint arrangement. In 1801 he started to build a steam carriage. He rejected the idea of a steam wheel and of a low-pressure or atmospheric engine. By 1803 his first engine was running at his store, driving a screw-mill working on plaster of Paris for making millstones. The engine had a 6 in. (15 cm) diameter cylinder with a stroke of 18 in. (45 cm) and also drove twelve saws mounted in a frame and cutting marble slabs at a rate of 100 ft (30 m) in twelve hours. He was granted a patent in the spring of 1804. He became involved in a number of lawsuits following the extension of his patent, particularly as he increased the licence fee, sometimes as much as sixfold. The case of Evans v. Samuel Robinson, which Evans won, became famous and was one of these. Patent Right Oppression Exposed, or Knavery Detected, a 200-page book with poems and prose included, was published soon after this case and was probably written by Oliver Evans. The steam engine patent was also extended for a further seven years, but in this case the licence fee was to remain at a fixed level. Evans anticipated Edison in his proposal for an "Experimental Company" or "Mechanical Bureau" with a capital of thirty shares of $100 each. It came to nothing, however, as there were no takers. His first wife, Sarah, died in 1816 and he remarried, to Hetty Ward, the daughter of a New York innkeeper. He was buried in the Bowery, on Lower Manhattan; the church was sold in 1854 and again in 1890, and when no relative claimed his body he was reburied in an unmarked grave in Trinity Cemetery, 57th Street, Broadway.[br]Further ReadingE.S.Ferguson, 1980, Oliver Evans: Inventive Genius of the American Industrial Revolution, Hagley Museum.G.Bathe and D.Bathe, 1935, Oliver Evans: Chronicle of Early American Engineering, Philadelphia, Pa.IMcN
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