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121 Todd, Leonard Jennett
SUBJECT AREA: Steam and internal combustion engines[br]fl. 1885 London, England[br]English (?) patentee of steam engines incorporating the uniflow principle.[br]In a uniflow system, the steam enters a steam engine cylinder at one end, pushes the pistons along, and exhausts through a ring of ports at the centre of the cylinder that are uncovered by movement of the piston. The piston is returned by steam then entering the other end of the cylinder, moving the piston arrangement back, and again making its exit through the central ports. This gave the thermodynamic advantage of the cylinder ends remaining hot and the centre colder with reheating the ends of the cylinder through compression of the residual steam. The principle was first patented by Jacob Perkins in England in 1827 and was tried in America in 1856.Little is known about Todd. The addresses given in his patent specifications show that he was living first at South Hornsey and then Stoke Newington, both in Middlesex (now in London). No obituary notices have been traced. He took out a patent in 1885 for a "terminal exhaust engine" and followed this with two more in 1886 and 1887. His aim was to "produce a double acting steam engine which shall work more efficiently, which shall produce and maintain within itself an improved gradation of temperature extending from each of its two Hot Inlets to its common central Cold Outlet". His later patents show the problems he faced with finding suitable valve gears and the compression developing during the return stroke of the piston. It was this last problem, particularly when starting a condensing engine, that probably defeated him through excessive compression pressures. There is some evidence that he hoped to apply his engines to railway locomotives.[br]Bibliography1885, British patent no. 7,301 (terminal exhaust engine). 1886, British patent no. 2,132.1887, British patent no. 6,666.Further ReadingR.L.Hills, 1989, Power from Steam. A History of the Stationary Steam Engine, Cambridge University Press (provides the fullest discussion of his patents). H.W.Dickinson, 1938, A Short History of the Steam Engine, Cambridge University Press.J.Stumpf, 1912, The Una-Flow Steam Engine, Munich: R.Oldenbourg.RLH -
122 offensive
əˈfensɪv
1. сущ.
1) наступление, наступательная операция
2) активные действия (в отношении чего-л.) Peace proposals were called peace offensives. (J.B. Show) ≈ Мирные предложения получили название 'активной борьбы за мир'. ∙ act on the offensive take the offensive go into the offensive Syn: aggression
2. прил.
1) обидный, оскорбительный His actions were offensive to everyone. ≈ Его действия оскорбили всех. Syn: abusive, insulting
2) отвратительный, неприятный, противный offensive odor of garbage ≈ жуткий запах помойки Syn: obnoxious, nauseous
3) а) агрессивный, наступательный, наступающий offensive defensive offensive return offensive stroke offensive war Syn: aggressive б) предназначенный для наступательных целей offensive weapons ≈ наступательное вооружение наступление, атака peace * мирное наступление - on the * в наступлении - to act on the * наступать - to take the * перейти в наступление, занять наступательную позицию - the * is the safest defence наступление - лучший способ защиты обидный, оскорбительный - * remark оскорбительное замечание - * language оскорбления - * joke обидная шутка неприятный, противный, отвратительный - * sight отвратительное зрелище - * television commercials низкопробная телереклама наступательный;
наступающий - * strategy наступательная стратегия - * players атакующие игроки (военное) наступательный - * war наступательная война - * warfare наступательные военные действия - * сombat наступательный бой - * blow наступление - * gas боевое отравляющее вещество - * riposte контратака при отходе - * reconnaissance разведка боем ~ наступление, наступательная операция;
to act on the offensive наступать offensive наступательный, агрессивный;
offensive defensive воен. активная оборона ~ наступательный ~ наступление, наступательная операция;
to act on the offensive наступать ~ наступление ~ оскорбительный, обидный;
offensive language оскорбления ~ оскорбительный ~ отвратительный, противный;
offensive sight отвратительное зрелище offensive наступательный, агрессивный;
offensive defensive воен. активная оборона ~ оскорбительный, обидный;
offensive language оскорбления ~ return переход в контратаку;
переход в контрнаступление;
offensive stroke удар по противнику;
offensive war наступательная война ~ отвратительный, противный;
offensive sight отвратительное зрелище ~ return переход в контратаку;
переход в контрнаступление;
offensive stroke удар по противнику;
offensive war наступательная война ~ return переход в контратаку;
переход в контрнаступление;
offensive stroke удар по противнику;
offensive war наступательная война war: offensive ~ наступательная война peace ~ активная борьба за мир to take (или to go into) the ~ перейти в наступление;
перен. занять наступательную (или агрессивную) позициюБольшой англо-русский и русско-английский словарь > offensive
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123 обратный ход
(напр. пленки) back drive, ( луча) flyback, backward motion, return motion, reverse motion, rebound, ( пружины) recoil, retrace, retracing, return, reversal, reverse, back stroke, out stroke, ( развертки) retrace stroke, return [reverse\] trace, ( траверсы или бабы молота) withdrawal -
124 offensive
[əˈfensɪv]offensive наступление, наступательная операция; to act on the offensive наступать offensive наступательный, агрессивный; offensive defensive воен. активная оборона offensive наступательный offensive наступление, наступательная операция; to act on the offensive наступать offensive наступление offensive оскорбительный, обидный; offensive language оскорбления offensive оскорбительный offensive отвратительный, противный; offensive sight отвратительное зрелище offensive наступательный, агрессивный; offensive defensive воен. активная оборона offensive оскорбительный, обидный; offensive language оскорбления offensive return переход в контратаку; переход в контрнаступление; offensive stroke удар по противнику; offensive war наступательная война offensive отвратительный, противный; offensive sight отвратительное зрелище offensive return переход в контратаку; переход в контрнаступление; offensive stroke удар по противнику; offensive war наступательная война offensive return переход в контратаку; переход в контрнаступление; offensive stroke удар по противнику; offensive war наступательная война war: offensive offensive наступательная война peace offensive активная борьба за мир to take (или to go into) the offensive перейти в наступление; перен. занять наступательную (или агрессивную) позицию -
125 engine
двигатель; мотор; машинаbuzz up an engine — жарг. запускать двигатель
clean the engine — прогазовывать [прочищать] двигатель (кратковременной даней газа)
engine of bypass ratio 10: 1 — двигатель с коэффициентом [степенью] двухконтурности 10:1
flight discarded jet engine — реактивный двигатель, отработавший лётный ресурс
kick the engine over — разг. запускать двигатель
lunar module ascent engine — подъёмный двигатель лунного модуля [отсека]
monofuel rocket engine — ЖРД на однокомпонентном [унитарном] топливе
open the engine up — давать газ, увеличивать тягу или мощность двигателя
prepackaged liquid propellant engine — ЖРД на топливе длительного хранения; заранее снаряжаемый ЖРД
production(-standard, -type) engine — серийный двигатель, двигатель серийного образца [типа]
return and landing engine — ксм. двигатель для возвращения и посадки
reversed rocket engine — тормозной ракетный двигатель; ксм. тормозная двигательная установка
run up the engine — опробовать [«гонять»] двигатель
secure the engine — выключать [останавливать, глушить] двигатель
shut down the engine — выключать [останавливать, глушить] двигатель
shut off the engine — выключать [останавливать, глушить] двигатель
solid(-fuel, -grain) rocket engine — ракетный двигатель твёрдого топлива
turn the engine over — проворачивать [прокручивать] двигатель [вал двигателя]
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126 back
[bæk] 1. noun1) (in man, the part of the body from the neck to the bottom of the spine: She lay on her back.) ryg2) (in animals, the upper part of the body: She put the saddle on the horse's back.) ryg3) (that part of anything opposite to or furthest from the front: the back of the house; She sat at the back of the hall.) bagside; bagerste del4) (in football, hockey etc a player who plays behind the forwards.) back2. adjective(of or at the back: the back door.) bag-3. adverb1) (to, or at, the place or person from which a person or thing came: I went back to the shop; He gave the car back to its owner.) tilbage2) (away (from something); not near (something): Move back! Let the ambulance get to the injured man; Keep back from me or I'll hit you!) tilbage; væk3) (towards the back (of something): Sit back in your chair.) tilbage4) (in return; in response to: When the teacher is scolding you, don't answer back.) igen5) (to, or in, the past: Think back to your childhood.) tilbage til4. verb1) (to (cause to) move backwards: He backed (his car) out of the garage.) bakke2) (to help or support: Will you back me against the others?) støtte3) (to bet or gamble on: I backed your horse to win.) satse (penge) på; holde på•- backer- backbite
- backbiting
- backbone
- backbreaking
- backdate
- backfire
- background
- backhand 5. adverb(using backhand: She played the stroke backhand; She writes backhand.) stejlskrift- backlog- back-number
- backpack
- backpacking: go backpacking
- backpacker
- backside
- backslash
- backstroke
- backup
- backwash
- backwater
- backyard
- back down
- back of
- back on to
- back out
- back up
- have one's back to the wall
- put someone's back up
- take a back seat* * *[bæk] 1. noun1) (in man, the part of the body from the neck to the bottom of the spine: She lay on her back.) ryg2) (in animals, the upper part of the body: She put the saddle on the horse's back.) ryg3) (that part of anything opposite to or furthest from the front: the back of the house; She sat at the back of the hall.) bagside; bagerste del4) (in football, hockey etc a player who plays behind the forwards.) back2. adjective(of or at the back: the back door.) bag-3. adverb1) (to, or at, the place or person from which a person or thing came: I went back to the shop; He gave the car back to its owner.) tilbage2) (away (from something); not near (something): Move back! Let the ambulance get to the injured man; Keep back from me or I'll hit you!) tilbage; væk3) (towards the back (of something): Sit back in your chair.) tilbage4) (in return; in response to: When the teacher is scolding you, don't answer back.) igen5) (to, or in, the past: Think back to your childhood.) tilbage til4. verb1) (to (cause to) move backwards: He backed (his car) out of the garage.) bakke2) (to help or support: Will you back me against the others?) støtte3) (to bet or gamble on: I backed your horse to win.) satse (penge) på; holde på•- backer- backbite
- backbiting
- backbone
- backbreaking
- backdate
- backfire
- background
- backhand 5. adverb(using backhand: She played the stroke backhand; She writes backhand.) stejlskrift- backlog- back-number
- backpack
- backpacking: go backpacking
- backpacker
- backside
- backslash
- backstroke
- backup
- backwash
- backwater
- backyard
- back down
- back of
- back on to
- back out
- back up
- have one's back to the wall
- put someone's back up
- take a back seat -
127 speed
1) скорость (линейная, угловая); частота вращения; число оборотов || скоростной2) быстродействие || быстродействующий3) величина вектора скорости, абсолютная величина вектора скорости4) ускорять•to low the speed — уменьшать скорость, замедлять ход или движение
- access speedto speed up — ускорять; разгонять; увеличивать частоту вращения или число оборотов
- actual speed
- adjustable speed
- advance speed
- average calculating speed
- average speed
- axis drive speed
- axis movement speed
- axis speed
- backing-out speed
- balancing speed
- band speed
- blade speed
- block-processing speed
- boring speed
- breaking speed
- broaching speed
- calculating speed
- Cartesian speed
- circuit speed
- circumferential speed
- climbing speed
- clock speed
- computation speed
- computational speed
- computer speed
- computing speed
- computing system speed
- constant speed
- control's clock speed
- conveyance speed
- conveying speed
- copying speed
- copy-turning speed
- creep-feed speed
- creeping speed
- critical speed
- cutter feed speed
- cutting feed speed
- cutting speed for milling
- cutting speed
- data transfer speed
- decreasing speed
- delivery speed
- derricking speed
- descending speed
- drawing speed
- drilling speed
- drive speed
- driven speed
- driving speed of saw blade
- encroaching speed
- fast traverse speed
- feed speed
- feeding speed
- final speed
- free-running speed
- full speed
- gaging speed
- gear-cutting speed
- given speed
- grinding speed
- ground speed
- high speed
- ideal unload speed
- idling speed
- increasing speed
- indexing speed
- infinitely adjustable speed
- initial speed
- input speed
- instantaneous rotational speed
- instruction speed
- laser beam scanning speed
- laser beam travel speed
- lifting speed
- line speed
- link speed
- load speed
- load-lifting speed
- load-lowering speed
- low end speed
- low speed
- machining speed
- mating speed
- maximum speed
- mean speed
- midstroke speed
- milling speed
- motor speed
- net cutting speed
- no-load speed
- normal speed
- n-th-critical speed
- operation speed
- output speed
- over speed
- peripheral grinding speed
- peripheral speed
- periphery speed
- piston speed
- planer speed
- planing speed
- positioning speed
- precision load-lowering speed
- preset speed
- pressing speed
- process speed
- processing speed
- production line speed
- quick-return speed
- reaming speed
- reciprocating speed of ram
- reduced speed
- related speeds
- response speed
- resultant cutting speed
- retraction speed
- return speed
- reverse speed
- rim speed
- rolling speed
- rotary speed
- rotating speed
- rotational speed
- rough workpiece spindle speed
- rubbing speed
- running speed
- sawing speed
- scanning speed
- sensory control speed
- service speed
- servoresponse speed
- shaft speed
- shaper speed
- short-motion speed
- slewing speed
- slow speed
- specific speed
- speed of ascent
- speed of descent
- speed of transmission
- spindle rotational speed
- stepless spindle speed
- storage speed
- straight-line speed
- stroke speed of press
- stroke speed
- stroking speed
- surface speed
- switching speeds
- synchronized-feed tapping speed
- synchronous speed
- takeup speed
- tape-selected spindle speed
- tapping speed
- terminal speed
- test speed
- threading speed
- tool feed speed
- tool-changing speed
- tool-cutting speed
- tooth speed
- top speed
- top spindle speed
- tracing speed
- track speed
- tracking speed
- transport road speed
- transport speed
- travel speed
- traveling speed
- traverse speed per axis
- traverse speed
- turning speed
- unit speed of rotation
- variable speed
- wheel surface speed
- work rotational speedEnglish-Russian dictionary of mechanical engineering and automation > speed
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128 mechanism
1) механизм; устройство2) механическое действие, механическое воздействие3) прибор; аппарат4) вчт. механизм обработки информации; алгоритм•- actuating mechanismmechanism for feeding bar material — механизм подачи пруткового материала, устройство подачи пруткового материала
- actuation mechanism
- adaptation mechanism
- adjustment mechanism
- advance mechanism
- advancing mechanism
- alignment mechanism
- articulated mechanism
- automatic adjustment mechanism
- automatic cycle mechanism
- automatic takeup mechanism
- automatic tool handling mechanism
- automatic tool transport mechanism
- auxiliary mechanism
- balanced mechanism
- ball locking mechanism
- bar advancement mechanism
- bar clamping mechanism
- belt-shifting mechanism
- bidirectional mechanism
- blocking mechanism
- brake mechanism
- broach retriever mechanism
- cam mechanism
- causal mechanism
- change mechanism
- changeover mechanism
- chip formation mechanism
- chuck mechanism
- chucking mechanism
- circular dividing mechanism
- clamp mechanism
- clamping mechanism
- clock mechanism
- clutch mechanism
- collet closing mechanism
- collet mechanism
- collet open/close mechanism
- collet-unclamping mechanism
- comparator mechanism
- compound epicyclic gear mechanism
- computing mechanism
- constant feed mechanism
- contention checking mechanism
- control mechanism of the cam following type
- control mechanism
- conveyor chain mechanism
- conveyor mechanism
- cottered mechanism
- coulisse mechanism
- counter mechanism
- counterbalance mechanism
- counting mechanism
- coupling mechanism
- crank mechanism
- crank-and-rocker mechanism
- crank-and-rod mechanism
- crank-driving mechanism
- cranking mechanism
- crank-rocker mechanism
- cross-feed mechanism
- crowning mechanism
- cutting speed control mechanism
- derricking mechanism
- direct tool change mechanism
- disconnecting mechanism
- dividing mechanism
- double crank mechanism
- double rocker mechanism
- double-gripper mechanism
- double-sided loading mechanism
- double-sided pallet loading mechanism
- drag link mechanism
- drawbar mechanism
- drive mechanism
- drive motor mechanism
- driving mechanism
- drop-worm mechanism
- elevating mechanism
- emission mechanism
- endless chain mechanism
- equalizing mechanism
- error-compensation mechanism
- escapement mechanism
- external clock mechanism
- failure mechanism
- feed change mechanism
- feed mechanism
- feed-and-removal mechanism
- feeding mechanism
- feed-pawl mechanism
- fine feed mechanism
- fixed position handling mechanism
- flap mechanism
- force sensing mechanism
- four-link mechanism
- gate mechanism
- gear mechanism
- gear shift mechanism
- Geneva index mechanism
- Geneva mechanism
- Geneva-style mechanism
- Geneva-type mechanism
- gravity feed mechanism
- gripping mechanism
- guard mechanism
- handling mechanism
- handling/transfer mechanism
- height adjustable mechanism
- high-efficiency mechanism
- hinged mechanism
- hoist traverse mechanism
- hoisting mechanism
- hydraulic actuation mechanism
- hydraulic mechanism
- image processing mechanism
- indexing mechanism
- inference mechanism
- inflexible drive mechanism
- inverted slidecrank mechanism
- iteration mechanism
- jaw release mechanism
- joint mechanism
- jointed mechanism
- latch mechanism
- latching mechanism
- lever mechanism
- leverage mechanism
- lift-and-carry transfer mechanism
- lifting mechanism
- lift-table transfer mechanism
- link mechanism
- load mechanism
- load/unload mechanism
- load-and-fire lever mechanism
- load-and-fire mechanism
- loading mechanism
- locking mechanism
- logical mechanism
- longitudinal feed mechanism
- lubrication mechanism
- machine wear mechanism
- Maltese Cross mechanism
- master mechanism
- material-feeding mechanism
- materials transport mechanism
- measurement mechanism
- mechatronic mechanism
- melting-resolidification mechanisms
- motion transmission mechanism
- motor drive mechanism
- multiped walking mechanism
- multistage geared Geneva mechanism
- nonrigid mechanism
- open/close mechanism
- operating mechanism
- oscillating arm-type quick-return mechanism
- oval mechanism
- overload release mechanism
- parallel crank mechanism
- parts feeder mechanism
- path generating mechanism
- pawl-and-ratchet mechanism
- percussion mechanism
- pick-and-place mechanism
- pickup mechanism
- pickup/deposit mechanism
- pillar-type quick-return mechanism
- pin mechanism
- pipe chuck mechanism
- pivot mechanism
- planar mechanism
- plane mechanism
- planetary gear mechanism
- pneumatic mechanism
- polyarticular mechanism
- position-holding mechanism
- position-sensing mechanism
- power actuator mechanism
- power mechanism
- pressure mechanism
- propelling mechanism
- pull mechanism
- pulling mechanism
- push mechanism
- quick-return link mechanism
- quick-return mechanism
- rack mechanism
- rack-and-pinion mechanism
- raise-and-lower mechanism
- rapid traverse mechanism
- ratchet mechanism
- ratchet-and-pawl mechanism
- read head mechanism
- reasoning mechanism
- recording mechanism
- registry actuation mechanism
- registry mechanism
- release mechanism
- relief mechanism
- repeat mechanism
- reset mechanism
- return speed control mechanism
- reversing gear mechanism
- reversing mechanism
- rise-and-fall mechanism
- robotic load mechanism
- robotic load-and-unload mechanism
- roller feed mechanism
- roller wedge mechanism
- rotary mechanism
- safety mechanism
- screw drive mechanism
- selection mechanism
- self-bleed mechanism
- sensing mechanism
- servo-type mechanism
- setting mechanism
- shaft position mechanism
- shift mechanism
- shifting mechanism
- shutdown mechanism
- shut-off mechanism
- shuttle mechanism
- single-lever selection mechanism
- skip-indexing mechanism
- slave mechanism
- slewing mechanism
- slider-crank mechanism
- slider-rocker mechanism
- sliding headstock mechanism
- slotted link mechanism
- slotted link quick-return mechanism
- smart mechanism
- solenoid-operated mechanism
- spatial mechanism
- speed change mechanism
- speed control mechanism
- speed-shifting mechanism
- spherical mechanism
- spring load-and-fire mechanism
- starting mechanism
- steering mechanism
- step mechanism
- stepping motion mechanism
- stop mechanism
- stopping mechanism
- straight wedge mechanism
- stroke position mechanism
- stylus mechanism
- swaging mechanism
- switch mechanism
- table feed mechanism
- table-reversing mechanism
- takeup mechanism
- teleoperator control mechanism
- tilt mechanism
- toggle mechanism
- tool change mechanism
- tool changer swivel mechanism
- tool changing-and-storing mechanism
- tool failure mechanism
- tool gripper mechanism
- tool lock mechanism
- tool select mechanism
- tool storage mechanism
- tool transfer mechanism
- tool-handling mechanism
- tooling mechanism
- tool-positioning mechanism
- torque release mechanism
- tracer mechanism
- transfer mechanism
- translatory mechanism
- transmission mechanism
- travel mechanism
- traverse reading mechanism
- trip mechanism
- turret drive mechanism
- turret mechanism
- twin automatic pallet changing mechanism
- upper pulling mechanism
- vacuum pressure pickup mechanism
- variable ratio mechanism
- vertical feed mechanism
- vibration generation mechanism
- walking mechanism
- wear-prone mechanism
- wedge mechanism
- withdrawal mechanism
- workpiece feed mechanism
- workpiece transfer mechanismEnglish-Russian dictionary of mechanical engineering and automation > mechanism
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