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Differential (mechanical device)

Index Differential (mechanical device)

A differential is a gear train with three shafts that has the property that the rotational speed of one shaft is the average of the speeds of the others, or a fixed multiple of that average. [1]

76 relations: Acura RL, Addition, Analog computer, Analog signal, Anti-lock braking system, Antikythera mechanism, Arithmetic, Audi A4, Automobile layout, Aveling and Porter, Axle, Ball differential, Bevel gear, Bicycle, Car, Cardinal direction, China, Compass, Conservatoire national des arts et métiers, Coventry, Differential analyser, Drive shaft, Drive wheel, Electromagnetic pulse, Electronic control unit, Emperor Tenji, Engine, Epicyclic gearing, Equation clock, Equation of time, Euler angles, Ferrari F430, France, Gear train, Greubel Forsey, Gristmill, J. & D. Shearer, James Starley, Joseph Needham, Karl Benz, Kart racing, Limited-slip differential, Local mean time, Locking differential, Ma Jun, Magnetism, Mitsubishi Lancer Evolution, Onésiphore Pecqueur, Powertrain, Richard Roberts (engineer), ..., Rochester, Kent, Rotational speed, Rudolph Ackermann, Solar time, South-pointing chariot, Spiral bevel gear, Sponge diving, Starter ring gear, Steam car, Steam wagon, Subtraction, Sundial, Tire, Torque, Torque vectoring, Torsen, Tourbillon, Toyota Prius, Traction (engineering), Traction control system, Transmission (mechanics), Understeer and oversteer, Volkswagen, Wheel, Whippletree (mechanism), ZF Friedrichshafen. Expand index (26 more) »

Acura RL

The Acura RL is a full-sized / executive / medium sized luxury car that was manufactured by the Acura division of Honda for the 1996–2012 model years over two generations.

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Addition (often signified by the plus symbol "+") is one of the four basic operations of arithmetic; the others are subtraction, multiplication and division.

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Analog computer

An analog computer or analogue computer is a form of computer that uses the continuously changeable aspects of physical phenomena such as electrical, mechanical, or hydraulic quantities to model the problem being solved.

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Analog signal

An analog signal is any continuous signal for which the time varying feature (variable) of the signal is a representation of some other time varying quantity, i.e., analogous to another time varying signal.

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Anti-lock braking system

An anti-lock braking system (ABS) is a safety anti-skid braking system used on aircraft and on land vehicles, such as cars, motorcycles, trucks and buses.

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Antikythera mechanism

The Antikythera mechanism is an ancient Greek analogue computer and orrery used to predict astronomical positions and eclipses for calendar and astrological purposes decades in advance.

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Arithmetic (from the Greek ἀριθμός arithmos, "number") is a branch of mathematics that consists of the study of numbers, especially the properties of the traditional operations on them—addition, subtraction, multiplication and division.

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Audi A4

The Audi A4 is a line of compact executive cars produced since 1994 by the German car manufacturer Audi, a subsidiary of the Volkswagen Group.

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Automobile layout

In automotive design, the automobile layout describes where on the vehicle the engine and drive wheels are found.

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Aveling and Porter

Aveling and Porter was a British agricultural engine and steam-roller manufacturer.

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An axle is a central shaft for a rotating wheel or gear.

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Ball differential

A ball differential is a type of differential typically used on radio-controlled cars.

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Bevel gear

Bevel gears are gears where the axes of the two shafts intersect and the tooth-bearing faces of the gears themselves are conically shaped.

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A bicycle, also called a cycle or bike, is a human-powered, pedal-driven, single-track vehicle, having two wheels attached to a frame, one behind the other.

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A car (or automobile) is a wheeled motor vehicle used for transportation.

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Cardinal direction

The four cardinal directions or cardinal points are the directions north, east, south, and west, commonly denoted by their initials N, E, S, and W. East and west are at right angles to north and south, with east being in the clockwise direction of rotation from north and west being directly opposite east.

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China, officially the People's Republic of China (PRC), is a unitary one-party sovereign state in East Asia and the world's most populous country, with a population of around /1e9 round 3 billion.

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A compass is an instrument used for navigation and orientation that shows direction relative to the geographic cardinal directions (or points).

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Conservatoire national des arts et métiers

The Conservatoire national des arts et métiers (CNAM; National Conservatory of Arts and Crafts) is a doctoral degree-granting higher education establishment (or grand établissement) and Grande école in engineering, operated by the French government, dedicated to providing education and conducting research for the promotion of science and industry.

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Coventry is a city and metropolitan borough in the West Midlands, England.

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Differential analyser

The differential analyser is a mechanical analogue computer designed to solve differential equations by integration, using wheel-and-disc mechanisms to perform the integration.

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Drive shaft

A drive shaft, driveshaft, driving shaft, propeller shaft (prop shaft), or Cardan shaft is a mechanical component for transmitting torque and rotation, usually used to connect other components of a drive train that cannot be connected directly because of distance or the need to allow for relative movement between them.

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Drive wheel

A drive wheel is a wheel of a motor vehicle that transmits force, transforming torque into tractive force from the tires to the road, causing the vehicle to move.

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Electromagnetic pulse

An electromagnetic pulse (EMP), also sometimes called a transient electromagnetic disturbance, is a short burst of electromagnetic energy.

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Electronic control unit

An Electronic Control Unit (ECU) is any embedded system in automotive electronics that controls one or more of the electrical systems or subsystems in a vehicle.

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Emperor Tenji

, also known as Emperor Tenchi, was the 38th emperor of Japan,Imperial Household Agency (Kunaichō): according to the traditional order of succession.

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An engine or motor is a machine designed to convert one form of energy into mechanical energy.

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Epicyclic gearing

An epicyclic gear train (also known as planetary gear) consists of two gears mounted so that the center of one gear revolves around the center of the other.

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Equation clock

An equation clock is a mechanical clock which includes a mechanism that simulates the equation of time, so that the user can read or calculate solar time, as would be shown by a sundial.

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Equation of time

The equation of time describes the discrepancy between two kinds of solar time.

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Euler angles

The Euler angles are three angles introduced by Leonhard Euler to describe the orientation of a rigid body with respect to a fixed coordinate system.

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Ferrari F430

The Ferrari F430 is a sports car produced by the Italian car manufacturer Ferrari from 2004 to 2009 as a successor to the Ferrari 360.

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France, officially the French Republic (République française), is a sovereign state whose territory consists of metropolitan France in Western Europe, as well as several overseas regions and territories.

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Gear train

A gear train is a mechanical system formed by mounting gears on a frame so the teeth of the gears engage.

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Greubel Forsey

Greubel Forsey is a watchmaking company specializing in ultra high-end timepieces.

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A gristmill (also: grist mill, corn mill or flour mill) grinds cereal grain into flour and middlings.

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J. & D. Shearer


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James Starley

James Starley (21 April 1830 – 17 June 1881) was an English inventor and father of the bicycle industry.

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Joseph Needham

Noel Joseph Terence Montgomery Needham (9 December 1900 – 24 March 1995) was a British biochemist, historian and sinologist known for his scientific research and writing on the history of Chinese science and technology.

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Karl Benz

Karl Friedrich Benz (25 November 1844 – 4 April 1929) was a German engine designer and automobile engineer.

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Kart racing

Kart racing or karting is a variant of open-wheel motorsport with small, open, four-wheeled vehicles called karts, go-karts, or gearbox/shifter karts depending on the design.

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Limited-slip differential

A limited-slip differential (LSD) is a type of differential that allows its two output shafts to rotate at different speeds but limits the maximum difference between the two shafts.

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Local mean time

Local mean time is a form of solar time that corrects the variations of local apparent time, forming a uniform time scale at a specific longitude.

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Locking differential

A locking differential is designed to overcome the chief limitation of a standard open differential by essentially "locking" both wheels on an axle together as if on a common shaft.

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Ma Jun

Ma Jun (220–265), courtesy name Deheng, was a Chinese mechanical engineer and politician who lived in the state of Cao Wei during the Three Kingdoms period of China.

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Magnetism is a class of physical phenomena that are mediated by magnetic fields.

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Mitsubishi Lancer Evolution

The Mitsubishi Lancer Evolution, also known as a Lan Evo or just Evo, is a sports sedan based on the Lancer that was manufactured by Japanese manufacturer Mitsubishi Motors from 1992 until 2016.

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Onésiphore Pecqueur

Onésiphore Pecqueur (1792–1852) was a French mechanical engineer who patented the modern-day differential gear, found on the axles that connect to the powertrain of all automobiles.

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In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

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Richard Roberts (engineer)

Richard Roberts (22 April 1789 – 11 March 1864) was a British patternmaker and engineer whose development of high-precision machine tools contributed to the birth of production engineering and mass production.

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Rochester, Kent

Rochester is a town and was a historic city in the unitary authority of Medway in Kent, England.

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Rotational speed

Rotational speed (or speed of revolution) of an object rotating around an axis is the number of turns of the object divided by time, specified as revolutions per minute (rpm), cycles per second (cps), radians per second (rad/s), etc..

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Rudolph Ackermann

Rudolph Ackermann (20 April 1764 in Schneeberg, Electorate of Saxony – 30 March 1834 in Finchley, London) was an Anglo-German bookseller, inventor, lithographer, publisher and businessman.

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Solar time

Solar time is a calculation of the passage of time based on the position of the Sun in the sky.

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South-pointing chariot

The south-pointing chariot (or carriage) was an ancient Chinese two-wheeled vehicle that carried a movable pointer to indicate the south, no matter how the chariot turned.

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Spiral bevel gear

A spiral bevel gear is a bevel gear with helical teeth.

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Sponge diving

Sponge diving is the oldest known form of the original art of underwater diving.

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Starter ring gear

Picture of a typical starter ring gear A starter ring gear, sometimes called a starter ring or ring gear, is a medium carbon steel ring with teeth that is fitted on the periphery of a flexplate or flywheel of an internal combustion engine, mostly for automotive or aircraft applications.

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Steam car

A steam car is a car (automobile) powered by a steam engine.

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Steam wagon

A steam wagon (steam lorry or steam waggon) is a steam-powered road vehicle for carrying freight.

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Subtraction is an arithmetic operation that represents the operation of removing objects from a collection.

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A sundial is a device that tells the time of day when there is sunlight by the apparent position of the Sun in the sky.

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A tire (American English) or tyre (British English; see spelling differences) is a ring-shaped component that surrounds a wheel's rim to transfer a vehicle's load from the axle through the wheel to the ground and to provide traction on the surface traveled over.

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Torque, moment, or moment of force is rotational force.

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Torque vectoring

Torque vectoring is a technology employed in automobile differentials.

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Torsen Torque-Sensing (full name Torsen traction) is a type of limited-slip differential used in automobiles.

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In horology, a tourbillon ("whirlwind") is an addition to the mechanics of a watch escapement.

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Toyota Prius

The Toyota Prius (Japanese:トヨタプリウス)() is a full hybrid electric automobile developed by Toyota and manufactured by the company since 1997.

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Traction (engineering)

Traction, or tractive force, is the force used to generate motion between a body and a tangential surface, through the use of dry friction, though the use of shear force of the surface is also commonly used.

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Traction control system

A traction control system (TCS), also known as ASR (from lit), is typically (but not necessarily) a secondary function of the electronic stability control (ESC) on production motor vehicles, designed to prevent loss of traction of driven road wheels.

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Transmission (mechanics)

A transmission is a machine in a power transmission system, which provides controlled application of the power.

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Understeer and oversteer

Understeer and oversteer are vehicle dynamics terms used to describe the sensitivity of a vehicle to steering.

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Volkswagen, shortened to VW, is a German automaker founded on 28 May 1937 by the German Labour Front under Adolf Hitler and headquartered in Wolfsburg.

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A wheel is a circular component that is intended to rotate on an axle bearing.

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Whippletree (mechanism)

A whippletree, or whiffletree, is a mechanism to distribute force evenly through linkages.

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ZF Friedrichshafen

ZF Friedrichshafen AG, also known as ZF Group, and commonly abbreviated to ZF (ZF.

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[1] https://en.wikipedia.org/wiki/Differential_(mechanical_device)

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