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Serpentine Belt
A serpentine belt (or drive belt) is a single, continuous belt used to drive multiple peripheral devices in an automotive engine, such as an alternator, power steering pump, water pump, air conditioning compressor, air pump, etc. The belt may also be guided by an idler pulley and/or a belt tensioner (which may be spring-loaded, hydraulic, or manual). To allow the belt to pass over more than three pulleys with a large enough wrap angle to avoid slipping, idler pulleys which press against the back of the belt are included, forcing the belt into a serpentine shape. To accommodate this bidirectional flexing while remaining strong enough to transfer the total force required by multiple loads, a serpentine belt is almost always of multi-groove (multi-vee, poly-v, or multi-rib) construction. Variations On some engine designs, the "back" (smooth side) of the belt may drive some accessories. This is typically limited to components requiring less torque or where a large angle of wrap i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Belt Drive Systen 01
Belt may refer to: Apparel * Belt (clothing), a leather or fabric band worn around the waist * Championship belt, a type of trophy used primarily in combat sports * Colored belts, such as a black belt or red belt, worn by martial arts practitioners to signify rank in the kyū ranking system Geology * A synonym for orogen (e.g. orogenic belt) * Greenstone belt * A large-scale linear or curved array of belt of igneous rocks (e.g. Transscandinavian Igneous Belt) * A large-scale linear or curved array of mineral deposits (e.g. Bolivian tin belt) * Metamorphic belt :* Paired metamorphic belts Mechanical and vehicular * Belt (mechanical), a looped strip of material used to link multiple rotating shafts * Conveyor belt, a device for transporting goods along a fixed track * Belt manlift, a device for moving people between floors in a building or grain elevator. * Seat belt, a safety device in automobiles and on the plane * Timing belt, part of an internal combustion engine * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Serpentine Shape
A serpentine shape is any of certain curved shapes of an object or design, which are suggestive of the shape of a snake (the adjective "serpentine" is derived from the word ''serpent''). Serpentine shapes occur in architecture, in furniture, and in mathematics. In architecture and urban design The serpentine shape is observed in many architectural settings. It may provide strength, as in serpentine walls, it may allow the facade of a building to face in multiple directions, or it may be chosen for purely aesthetic reasons. *At the University of Virginia, serpentine walls (crinkle crankle walls) extend down the length of the main lawn at the University of Virginia and flank both sides of the rotunda. They are one of the many structures Thomas Jefferson created that combine aesthetics with utility. The sinusoidal path of the wall provides strength against toppling over, allowing the wall to be only a single brick thick. *At the Massachusetts Institute of Technology, the List of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Belt Drives
Belt may refer to: Apparel * Belt (clothing), a leather or fabric band worn around the waist * Championship belt, a type of trophy used primarily in combat sports * Colored belts, such as a black belt or red belt, worn by martial arts practitioners to signify rank in the kyū ranking system Geology * A synonym for orogen (e.g. orogenic belt) * Greenstone belt * A large-scale linear or curved array of belt of igneous rocks (e.g. Transscandinavian Igneous Belt) * A large-scale linear or curved array of mineral deposits (e.g. Bolivian tin belt) * Metamorphic belt :* Paired metamorphic belts Mechanical and vehicular * Belt (mechanical), a looped strip of material used to link multiple rotating shafts * Conveyor belt, a device for transporting goods along a fixed track * Belt manlift, a device for moving people between floors in a building or grain elevator. * Seat belt, a safety device in automobiles and on the plane * Timing belt, part of an internal combustion engine * Serpe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Timing Belt (camshaft)
In a piston engine, either a timing belt (also called a ''cambelt'') or timing chain or set of timing gears is used to synchronize the rotation of the crankshaft and the camshaft. This synchronisation ensures that the engine's valves open and close at the correct times in relation to the position of the pistons. Design In most piston engines, the camshaft(s) are mechanically connected to the crankshaft. The crankshaft drives the camshaft (via a timing belt, timing chain or pushrods), which in turn actuates the intake and exhaust valves. These valves allow the engine to inhale air (or an air/fuel mixture) and exhale the exhaust gasses. The most common devices to transfer the drive are toothed rubber belts, metal timing chains or a set of gears. The teeth of the belt/chain/gears mesh with both the crankshaft and camshaft(s), thereby synchronising their motion. In many older overhead valve engines, the camshaft is located in the block near the crankshaft, therefore a simple ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mechanical Efficiency
In mechanical engineering, mechanical efficiency is a dimensionless number that measures the effectiveness of a mechanism or machine in transforming the power input to the device to power output. A machine is a mechanical linkage in which force is applied at one point, and the force does work moving a load at another point. At any instant the power input to a machine is equal to the input force multiplied by the velocity of the input point, similarly the power output is equal to the force exerted on the load multiplied by the velocity of the load. The mechanical efficiency of a machine (often represented by the Greek letter eta \eta) is a dimensionless number between 0 and 1 that is the ratio between the power output of the machine and the power input :\eta = \frac Since a machine does not contain a source of energy, nor can it store energy, from conservation of energy the power output of a machine can never be greater than its input, so the efficiency can never be greater t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Buick V6 Engine
The Buick V6, popularly referred to as the 3800 in its later incarnations, originally and initially marketed as ''Fireball'' at its introduction in 1962, was a large V6 engine used by General Motors. The block is made of cast iron and all use two-valve-per-cylinder iron heads, actuated by pushrods. The engine, originally designed and manufactured in the United States, was also produced in later versions in Australia. It was the first six-cylinder engine designed exclusively for Buick products since the Buick straight-six was discontinued in 1930. The 3800 was on the Ward's 10 Best Engines of the 20th century list, made Ward's yearly 10 Best list multiple times, and is one of the most-produced engines in history. To date, over 25 million have been produced. In 1967, GM sold the design to Kaiser-Jeep. The muscle car era had taken hold, and GM no longer felt the need to produce a V6, considered an unusual engine configuration in North America at the time. The energy crisis a deca ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Supercharged
In an internal combustion engine, a supercharger compresses the intake gas, forcing more air into the engine in order to produce more power for a given displacement. The current categorisation is that a supercharger is a form of forced induction that is mechanically powered (usually by a belt from the engine's crankshaft), as opposed to a turbocharger, which is powered by the kinetic energy of the exhaust gasses. However, up until the mid-20th century, a turbocharger was called a "turbosupercharger" and was considered a type of supercharger. The first supercharged engine was built in 1878, with usage in aircraft engines beginning in the 1910s and usage in car engines beginning in the 1920s. In piston engines used by aircraft, supercharging was often used to compensate for the lower air density at high altitudes. Supercharging is less commonly used in the 21st century, as manufacturers have shifted to turbochargers to reduce fuel consumption and/or increase power outputs. D ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nissan Maxima
The Nissan Maxima is a full-size car manufactured and marketed by Nissan and offered as Nissan's flagship sedan primarily in North America, the Middle East, and China — and currently in its eighth generation. Having debuted for model year 1982 as the Datsun Maxima, it replaced the earlier Datsun 810. The name ''Maxima'' dates to model year 1981 when Datsun marketed the upscale 810 as the ''810 Maxima'' in North America. Like the 810, early versions of the Maxima had their origins in the Datsun/Nissan Bluebird. It is renamed to Nissan Maxima when the Datsun brand was phased out for model year 1985. The Maxima was marketed as an upscale alternative to the Altima and prior to 1993, the Stanza, distinguished by features such as a premium interior and V6 engine. Most Maximas were built in Oppama, Japan, until North American assembly began in Smyrna, Tennessee for model year 2004. In some markets beyond North America, the ''Maxima'' name has also been used on variations ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
DOHC
An overhead camshaft (OHC) engine is a piston engine where the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion chamber in the engine block. ''Single overhead camshaft'' (SOHC) engines have one camshaft per bank of cylinders. ''Dual overhead camshaft'' (DOHC, also known as "twin-cam".) engines have two camshafts per bank. The first production car to use a DOHC engine was built in 1910. Use of DOHC engines slowly increased from the 1940s, leading to many automobiles by the early 2000s using DOHC engines. Design In an OHC engine, the camshaft is located at the top of the engine, above the combustion chamber. This contrasts the earlier overhead valve engine (OHV) and flathead engine configurations, where the camshaft is located down in the engine block. The valves in both OHC and OHV engines are located above the combustion chamber; however an OHV en ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ford Taurus SHO
The Ford Taurus SHO (Super High Output) is the high-performance variant of the Ford Taurus. Originally intended as a limited-production model, the SHO would be produced for the first three generations of the model line, from the 1989 to the 1999 model years. After an 11-year hiatus, the model was revived for 2010, continuing through the 2019 discontinuation of the Taurus model line. In contrast with standard versions of the Taurus, the Taurus SHO was not designed with a Mercury Sable counterpart; however, the 2010-2019 SHO served as the basis for the Ford Police Interceptor Sedan (replacing the long-running Ford Crown Victoria Police Interceptor). The final version is the only Taurus ever offered with the twin-turbocharged EcoBoost V6 engine. The first three generations of the SHO were assembled by Ford at Atlanta Assembly (Hapeville, Georgia); the fourth generation was assembled by Chicago Assembly (Chicago, Illinois). Background In 1984, executives of the Yamaha Mo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Belt (mechanical)
A belt is a loop of flexible material used to link two or more rotating shafts mechanically, most often parallel. Belts may be used as a source of motion, to transmit power efficiently or to track relative movement. Belts are looped over pulleys and may have a twist between the pulleys, and the shafts need not be parallel. In a two pulley system, the belt can either drive the pulleys normally in one direction (the same if on parallel shafts), or the belt may be crossed, so that the direction of the driven shaft is reversed (the opposite direction to the driver if on parallel shafts). The belt drive can also be used to change the speed of rotation, either up or down, by using different sized pulleys. As a source of motion, a conveyor belt is one application where the belt is adapted to carry a load continuously between two points. History The mechanical belt drive, using a pulley machine, was first mentioned in the text the ''Dictionary of Local Expressions'' by the Han Dynasty ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Belt Tensioner
A tensioner is a device that applies a force to create or maintain tension (physics), tension. The force may be applied parallel to, as in the case of a hydraulic bolt tensioner, or perpendicular to, as in the case of a spring-loaded bicycle chain tensioner, the tension it creates. The force may be generated by a fixed displacement, as in the case of an Eccentric (mechanism)#On bicycle, eccentric bicycle bottom bracket, which must be adjusted as parts wear, or by stretching or compressing a Spring (device), spring, as in the case of a spring-loaded bicycle chain tensioner; by changing the volume of a gas, as in the case of a marine riser tensioner; by hydraulic pressure, as in the case of a hydraulic bolt tensioner; or by gravity acting on a suspended mass, as in the case of a chair lift cable tensioner. In the power sector, thtensioneris a machine for maintaining constant tension of the conductors during work of hanging the transmission network.. Applications *Bolt tensioners a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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