Automobile

Karl Benz's "Velo" model (1894) entered into the first automobile race
An automobile (or motor car) is a wheeled passenger vehicle that carries its own motor. Most definitions of the term specify that automobiles are designed to run primarily on roads, to have seating for one to seven people, typically have four wheels and are constructed principally for the transport of people rather than goods. However, the term is far from precise.

Contents

1 History

1.1 Internal combustion engine powered vehicles
1.2 Production of automobiles begins
1.3 Innovation
1.4 Model changeover and design change


2 Production
3 Design
4 Safety
5 Performance
6 The automobile and modern society
7 Future of the car
8 Alternative technologies

8.1 Autonomous cars


9 See also
10 Notes
11 References
12 External links
13 Credits



 2005 MINI Cooper
The automobile is one of the technologies—along with such others as distributed electricity, the electric motor, the electric light bulb, and the telephone—that played a pivotal role in effecting wholesale change in twentieth century society. These changes range from the development of suburbs and the death of many public transit systems to the growth of malls, the replacement of traditional courtship patterns with modern dating practices, and the trend toward smaller families with the elderly segregated into assisted living facilities and nursing homes.

History
An automobile powered by the Otto gasoline engine was invented in Germany by Karl Benz in 1885. Benz was granted a patent dated January 29, 1886, in Mannheim for that automobile. Even though Benz is credited with the invention of the modern automobile, several other German engineers worked on building automobiles at the same time. In 1886, Gottlieb Daimler and Wilhelm Maybach in Stuttgart patented the first motor bike, built and tested in 1885, and in 1886 they built a converted horse-drawn stagecoach. In 1870, German-Austrian inventor Siegfried Marcus assembled a motorized handcart, though Marcus' vehicle did not go beyond the experimental stage.

Internal combustion engine powered vehicles
 Animation of a 4-stroke overhead-cam internal combustion engine
In 1806, François Isaac de Rivaz, a Swiss inventor, designed the first internal combustion engine (sometimes abbreviated "ICE" today). He subsequently used it to develop the world's first vehicle to run on such an engine that used a mixture of hydrogen and oxygen to generate energy. The design was not very successful, as was the case with the British inventor, Samuel Brown, and the American inventor, Samuel Morey, who produced vehicles powered by clumsy internal combustion engines about 1826.
Etienne Lenoir produced the first successful stationary internal combustion engine in 1860, and within a few years, about four hundred were in operation in Paris. About 1863, Lenoir installed his engine in a vehicle. It seems to have been powered by city lighting-gas in bottles, and was said by Lenoir to have "travelled more slowly than a man could walk, with breakdowns being frequent." Lenoir, in his patent of 1860, included the provision of a carburetor, so liquid fuel could be substituted for gas, particularly for mobile purposes in vehicles. Lenoir is said to have tested liquid fuel, such as alcohol, in his stationary engines; but it does not appear that he used them in his own vehicle. If he did, he most certainly did not use gasoline, as this was not well-known and was considered a waste product.
The next innovation occurred in the late 1860s, when Siegfried Marcus, a German working in Vienna, developed the idea of using gasoline as a fuel in a two-stroke internal combustion engine. In 1870, using a simple handcart, he built a crude vehicle with no seats, steering, or brakes, but it was remarkable for one reason: it was the world's first vehicle using an internal combustion engine fueled by gasoline. It was tested in Vienna in September of 1870 and put aside. In 1888 or 1889, he built a second automobile, this one with seats, brakes, and steering, and included a four-stroke engine of his own design. That design may have been tested in 1890. Although he held patents for many inventions, he never applied for patents for either design in this category.
The four-stroke engine already had been documented and a patent was applied for in 1862 by the Frenchman Beau de Rochas in a long-winded and rambling pamphlet. He printed about three hundred copies of his pamphlet and they were distributed in Paris, but nothing came of this, with the patent application expiring soon afterward and the pamphlet disappearing into obscurity.
Most historians agree that Nikolaus Otto of Germany built the world's first four-stroke engine although his patent was voided. He knew nothing of Beau de Rochas's patent or idea, and invented the concept independently. In fact, he began thinking about the concept in 1861, but abandoned it until the mid-1870s.
In 1883, Edouard Delamare-Deboutteville and Leon Malandin of France installed an internal combustion engine powered by a tank of city gas on a tricycle. As they tested the vehicle, the tank hose came loose, resulting in an explosion. In 1884, Delamare-Deboutteville and Malandin built and patented a second vehicle. This one consisted of two four-stroke, liquid-fueled engines mounted on an old four-wheeled horse cart. The patent, and presumably the vehicle, contained many innovations, some of which would not be used for decades. However, during the vehicle's first test, the frame broke apart, the vehicle literally "shaking itself to pieces," in Malandin's own words. No more vehicles were built by the two men. Their venture went completely unnoticed and their patent unexploited. Knowledge of the vehicles and their experiments was obscured until years later.

Production of automobiles begins
 Karl Benz
 Replica of the Benz Patent Motorwagen built in 1886
Internal combustion engine automobiles were first produced in Germany by Karl Benz in 1885-1886, and Gottlieb Daimler between 1886-1889.
Benz began to work on new engine patents in 1878. At first he concentrated on creating a reliable two-stroke gas engine, based on Nikolaus Otto's design of the four-stroke engine. A patent on the design by Otto had been declared void. Benz finished his engine on New Year's Eve and was granted a patent for it in 1879. Benz built his first three-wheeled automobile in 1885 and it was granted a patent in Mannheim, dated January 1886. This was the first automobile designed and built as such, rather than a converted carriage, boat, or cart. Among other items Benz invented are the speed regulation system known also as an accelerator, ignition using sparks from a battery, the spark plug, the clutch, the gear shift, and the water radiator. He built improved versions in 1886 and 1887 and went into production in 1888: the world's first automobile production. His wife, Bertha, made significant suggestions for innovation that he included in that model. Approximately 25 were built before 1893, when his first four-wheeler was introduced. They were powered with four-stroke engines of his own design. Emile Roger of France, already producing Benz engines under license, now added the Benz automobile to his line of products. Because France was more open to the early automobiles, more were built and sold in France through Roger than Benz sold in Germany.
In 1886, Gottlieb Daimler fitted a horse carriage with his four-stroke engine. In 1889, he built two vehicles from scratch as automobiles, with several innovations. From 1890 to 1895, about 30 vehicles were built by Daimler and his assistant, Wilhelm Maybach, either at the Daimler works or in the Hotel Hermann, where they set up shop after falling out with their backers. Benz and Daimler, seem to have been unaware of each other's early work and worked independently. Daimler died in 1900. During the First World War, Benz suggested a cooperative effort between the two companies, but it was not until 1926 that they united under the name of Daimler-Benz with a commitment to remain together under that name until the year 2000.
In 1890, Emile Levassor and Armand Peugeot of France began producing vehicles with Daimler engines, and so laid the foundation of the motor industry in France. They were inspired by Daimler's Stahlradwagen of 1889, which was exhibited in Paris in 1889.
The first American car with a gasoline internal combustion engine supposedly was designed in 1877 by George Baldwin Selden of Rochester, New York, who applied for a patent on an automobile in 1879. Selden did not build an automobile until 1905, when he was forced to do so, due to a lawsuit threatening the legality of his patent because the subject had never been built. After building the 1877 design in 1905, Selden received his patent and later sued the Ford Motor Company for infringing upon his patent. Henry Ford was notorious for opposing the American patent system and Selden's case against Ford went all the way to the Supreme Court, which ruled that Ford, and anyone else, was free to build automobiles without paying royalties to Selden, since automobile technology had improved so significantly since the design of Selden's patent, that no one was building according to his early designs.
In Britain there had been several attempts to build steam cars with varying degrees of success with Thomas Rickett even attempting a production run in 1860.[1] One of the major problems was the poor state of the road network. Santler from Malvern is recognized by the Veteran Car Club of Great Britain as having made the first petrol powered car in the country in 1894 followed by Frederick William Lanchester in 1895, but these were both prototypes.[2] The first production vehicles came from the Daimler Motor Company, founded by Harry J. Lawson in 1896, and making their first cars in 1897.[2]

Innovation
 1927 Ford Model T
Some sources suggest that Ferdinand Verbiest, whilst a member of a Jesuit mission in China, may have built the first steam powered automobile around 1672.[3][4] Another early self-propelled vehicle was that built by Nicolas-Joseph Cugnot, a French inventor, in 1765. The first automobile patent in the United States was granted to Oliver Evans in 1789 for his "Amphibious Digger." It was a harbor dredge scow designed to be powered by a steam engine and he built wheels to attach to the bow. In 1804 Evans demonstrated his first successful self-propelled vehicle, which not only was the first automobile in the U.S. but was also the first amphibious vehicle, as his steam-powered vehicle was able to travel on wheels on land as he demonstrated once, and via a paddle wheel in the water. It was not successful and was eventually sold as spare parts.
The Benz Motorwagen, built in 1885, was patented on January 29, 1886, by Karl Benz as the first automobile powered by an internal combustion engine. In 1888, a major breakthrough came when Bertha Benz drove an automobile that her husband had built for a distance of more than 106 kilometers (about 65 miles). This event demonstrated the practical usefulness of the automobile and gained wide publicity, which was the promotion she thought was needed to advance the invention. The Benz vehicle was the first automobile put into production and sold commercially. Bertha Benz's historic drive is celebrated as an annual holiday in Germany with rallies of antique automobiles.
In 1892, Rudolf Diesel got a patent for a "New Rational Combustion Engine" by modifying the Carnot Cycle. And in 1897 he built the first diesel engine.
On November 5, 1895, George B. Selden was granted a United States patent for a two-stroke automobile engine (U.S. Patent 549160 (PDF)). This patent did more to hinder than encourage development of autos in the United States. Steam, electric, and gasoline powered autos competed for decades, with gasoline internal combustion engines achieving dominance in the 1910s.

 Ransom E. Olds, the creator of the first automobile assembly line
The large-scale, production line manufacturing of affordable automobiles was debuted by Ransom E. Olds at his Oldsmobile factory in 1902. This assembly line concept was then greatly expanded by Henry Ford in the 1910s. Development of automotive technology was rapid, due in part to the hundreds of small manufacturers competing to gain the world's attention. Key developments included electric ignition and the electric self-starter (both by Charles Kettering, for the Cadillac Motor Company in 1910-1911), independent suspension, and four-wheel brakes.
Although various pistonless rotary engine designs have attempted to compete with the conventional piston and crankshaft design, only Mazda's version of the Wankel engine has had more than very limited success.

Model changeover and design change
Since the 1920s nearly all cars have been mass-produced to meet market needs, so marketing plans have often heavily influenced automobile design. It was Alfred P. Sloan who established the idea of different makes of cars produced by one firm, so that buyers could "move up" as their fortunes improved. The makes shared parts with one another so that the larger production volume resulted in lower costs for each price range. For example, in the 1950s, Chevrolet shared hood, doors, roof, and windows with Pontiac; the LaSalle of the 1930s, sold by Cadillac, used the cheaper mechanical parts made by the Oldsmobile division.

Production
The automobile industry is dominated by relatively few large corporations (not to be confused with the much more numerous brands), the biggest of which (by numbers of cars produced) are currently General Motors, Toyota and Ford Motor Company. The most profitable per-unit car-maker of recent years has been Porsche due to its premium price tag.
Large free trade areas like European Union, NAFTA and MERCOSUR attract manufacturers worldwide to produce their products within them reducing currency risks and customs controls and additionally being close to their customers. Much, if not most, of Third World countries car production uses Western technology and car models, and sometimes complete Western factories are shipped to such countries.

Design
 The 1955 Citroën DS; revolutionary visual design and technological innovation
The design of modern cars is typically handled by a large team of designers and engineers from many different disciplines. As part of the product development effort the team of designers will work closely with teams of design engineers responsible for all aspects of the vehicle. These engineering teams include: chassis, body and trim, powertrain, electrical and production. The design team under the leadership of the design director will typically comprise of an exterior designer, an interior designer (usually referred to as stylists) and a color and materials designer. A few other designers will be involved in detail design of both exterior and interior. For example, a designer might be tasked with designing the rear light clusters or the steering wheel. The color and materials designer will work closely with the exterior and interior designers in developing exterior color paints, interior colors, fabrics, leathers, carpet, wood trim and so on.
In 1924 the American national automobile market began reaching saturation. To maintain unit sales, General Motors instituted annual model-year design changes in order to convince car owners that they needed to buy a new replacement each year. Since 1935 automotive form has been driven more by consumer expectations than by engineering improvement.

Safety
Automobile accidents are almost as old as automobiles themselves. Early examples include Joseph Cugnot, who crashed his steam-powered "Fardier" against a wall in 1771, Mary Ward, who became one of the first documented automobile fatalities on August 31, 1869, in Parsonstown, Ireland, and Henry Bliss, one of the United State's first pedestrian automobile casualties on September 13, 1899, in New York City.
Cars have many basic safety problems—for example, they have human drivers who make mistakes, wheels that lose traction when the braking or turning forces are too high. Some vehicles have a high center of gravity and therefore an increased tendency to roll over. When driven at high speeds, collisions can have serious or even fatal consequence.
Early safety research focused on increasing the reliability of brakes and reducing the flammability of fuel systems. For example, modern engine compartments are open at the bottom so that fuel vapors, which are heavier than air, vent to the open air. Brakes are hydraulic and dual circuit so that failures are slow leaks, rather than abrupt cable breaks. Systematic research on crash safety started in 1958 at Ford Motor Company. Since then, most research has focused on absorbing external crash energy with crushable panels and reducing the motion of human bodies in the passenger compartment.
Significant reductions in death and injury have come from the addition of safety belts and laws in many countries to require vehicle occupants to wear them. Airbags and specialized child restraint systems have improved on that. Structural changes such as side-impact protection bars in the doors and side panels of the car mitigate the effect of impacts to the side of the vehicle. Many cars now include radar or sonar detectors mounted to the rear of the car to warn the driver if he or she is about to reverse into an obstacle or a pedestrian. Some vehicle manufacturers are producing cars with devices that also measure the proximity to obstacles and other vehicles in front of the car and are using these to apply the brakes when a collision is inevitable. There have also been limited efforts to use heads up displays and thermal imaging technologies similar to those used in military aircraft to provide the driver with a better view of the road at night.
There are standard tests for safety in new automobiles, like the EuroNCAP and the USNCAP[5] tests. There are also tests run by organizations such as the Insurance Institute for Highway Safety (IIHS)[6] and backed by the insurance industry.
Despite technological advances, there is still significant loss of life from car accidents: About 40,000 people die every year in the United States, with similar figures in Europe. This figure increases annually in step with rising population and increasing travel if no measures are taken, but the rate per capita and per mile traveled decreases steadily. The death toll is expected to nearly double worldwide by 2020. A much higher number of accidents result in injury or permanent disability. The highest accident figures are reported in China and India. The European Union has a rigid program to cut the death toll in its member countries in half by 2010 and member states have started implementing measures.
Automated control has been seriously proposed and successfully prototyped. Shoulder-belted passengers could tolerate a 32G emergency stop (reducing the safe inter-vehicle gap 64-fold) if high-speed roads incorporated a steel rail for emergency braking. Both safety modifications of the roadway are thought to be too expensive by most funding authorities, although these modifications could dramatically increase the number of vehicles that could safely use a high-speed highway.

Performance
Acceleration, braking, and measures of turning or agility vary widely between different makes and models of automobile. The automotive publication industry has developed around these performance measures as a way to quantify and qualify the characteristics of a particular vehicle.

The automobile and modern society
The automobile is one of the key technologies in the cluster of major technologies that began transforming modern life in the first decades of the twentieth century. In 1929 the U.S. automotive industry produced 5.5 million vehicles, making it the largest manufacturing industry in the world. Employing tens of thousands of workers, the industry itself was a major contributor to the rise of the middle class in the United States; but perhaps even more significantly, the cars were a genie unleashed in a land of ambitious and creative people.
Whereas people at first had bought cars to simplify such tasks as traveling from the farm to the nearby town, they soon began using them for touring to see the country, bringing a new commercial vitality to many previously remote locations. As young people discovered the mobile private space of the car, this new mode of transportation became a great facilitator of the new practice of dating, which largely displaced traditional patterns of chaperoned courtship.
As the cars became less expensive to buy and easier to operate, and as the infrastructure of roads, traffic lights, and refueling stations proliferated, the automobile was ready to serve the long-standing predilection, especially in the United States, toward individual freedom of movement, action, and living. Lacking clarity about the responsibilities necessarily associated with freedom and without any higher guiding principle of how to live together as a people, Americans got into their cars and spread out away from the city centers, creating huge suburban areas where each family had its own private territory of a house surrounded by a green grass lawn. Soon state and local zoning laws were enforcing separation of commercial and residential areas, sealing a trend already underway that was making it increasingly impossible to walk to work or the corner grocery store.
The proliferation of the car meant the death of many of the trolley systems that had developed early in the twentieth century in urban centers and it also contributed to the separation of classes in which those who could afford the car and the costs of suburban living (and who were usually white) moved to the suburbs, leaving behind a poorer class. With the flight to the suburbs, small stores throughout the cities lost many of their customers who needed new shopping areas in the suburbs catering to customers driving cars. And so, over time, the car played midwife to the birth of the suburban shopping center, and later the warehouse discount stores, shopping malls, and mega-malls of the late twentieth century.
With the necessity of driving being built into the suburbs, and with the car's limitation on the number of people it could carry, the car would have been one of the many factors pushing toward the smaller and separate nuclear family of parents with no more than 3 or 4 children—and no grandparents. Large suburbs with no walking access to shopping areas were particularly unsuited to aging grandparents, so the car must be considered as one of the strong factors leading to the network of assisted living facilities and nursing homes in the United States now housing millions of aged and incapacitated grandparents separated from their families.

Future of the car
 The hydrogen powered FCHV (Fuel Cell Hybrid Vehicle) was developed by Toyota in 2005
The future of the car is controversial.
There have been many efforts to innovate automobile design funded by the NHTSA. Recent efforts include the highly publicized DARPA race held in 2007.[7]
Relatively high transportation fuel prices have not seriously reduced car usage but do make it more expensive. One environmental benefit of high fuel prices is that it is an incentive for the production of more efficient (and hence less polluting) car designs and the development of alternative fuels. High fuel prices provide a strong incentive for consumers to purchase lighter, smaller, more fuel-efficient cars, or to simply not drive. These changes are resisted by those with an interest in maintaining the massive economy of car culture. Individual mobility is highly prized in dominant societies so the demand for automobiles is still strong. Alternative individual modes of transport, such as personal rapid transit, cycling, walking, skating, and organized cargo movement, could serve as an alternative to automobiles if they prove to be socially accepted.

 Lexus LF-A concept car at the 2006 Greater Los Angeles Auto Show
Alternative technologies
 The Henney Kilowatt, the first modern (transistor-controlled) electric car
Increasing costs of oil-based fuels and tightening environmental laws with the possibility of further restrictions on greenhouse gas emissions are propelling work on alternative power systems for automobiles.
Many diesel-powered cars can run with little or no modifications on 100 percent pure biodiesel. The main benefit of diesel combustion engines is its 50 percent fuel burn efficiency compared with 23 percent in the best gasoline engines. Most modern gasoline engines are capable of running with up to 15 percent ethanol mixed into the gasoline fuel—older vehicles may have seals and hoses that could be harmed by ethanol. With a small amount of redesign, gasoline-powered vehicles can run on ethanol concentrations as high as 85 percent. One-hundred percent ethanol is used in some parts of the world using vehicles that must be started on pure gasoline and switched over to ethanol once the engine is running. Most gasoline-fueled cars can also run on LPG with the addition of an LPG tank for fuel storage and carburation modifications to add an LPG mixer. LPG produces fewer toxic emissions and is a popular fuel for forklift trucks that have to operate inside buildings.
Car propulsion technologies that are under development include gasoline/electric and plug-in hybrids, battery electric vehicles, hydrogen cars, biofuels, and various alternative fuels. Research into future alternative forms of power include the development of fuel cells, Homogeneous charge compression ignition (HCCI), stirling engines, and even using the stored energy of compressed air or liquid nitrogen.
New materials[8] which may replace steel car bodies include duralumin, fiberglass, carbon fiber, biocomposites, and carbon nanotubes. Telematics technology is allowing more and more people to share cars, on a pay-as-you-go basis, through car share and carpool schemes.

Autonomous cars
 A robotic Volkswagen Passat shown at Stanford University is a driverless car
Fully autonomous vehicles, also known as driverless cars, already exist in prototype (such as the Google driverless car), but have a long way to go before they are in general use. They have a number of advantages, but safety concerns also need to be addressed.[9]

See also
Electric battery
Fuel
Gasoline
Internal combustion engine
Notes

↑ D. Burgess Wise, Veteran and Vintage Cars (London: Hamlyn, 1970, ISBN 0600002837).

↑ 2.0 2.1 N. Georgano, Beaulieu Encyclopedia of the Automobile (London: HMSO, 2000, ISBN 1579582931).

↑ Jason Torchinsky, The First Automobile Of Any Type Was Built By This Flemish Priest In China Encyclopedia Automobilia. Retrieved June 12, 2019.

↑ L.J.K. Setright, Drive On!: A Social History of the Motor Car (Granta Books, 2004, ISBN 1862076987)

↑ SaferCar National Highway Traffic Safety Administration. Retrieved June 12, 2019.

↑ Insurance Institute for Highway Safety Retrieved June 12, 2019.

↑ DARPA Urban Challenge Retrieved June 12, 2019.

↑ Kashyap Vyas, This New Material Can Transform the Car Manufacturing Industry Interesting Engineering, October 3, 2018. Retrieved June 12, 2019. 

↑ Self-Driving Cars Explained Union of Concerned Scientists, February 21, 2018. Retrieved June 12, 2019.


ReferencesISBN links support NWE through referral fees
Burgess Wise, D. Veteran and Vintage Cars. London: Hamlyn, 1970. ISBN 0600002837
Georgano, N. Beaulieu Encyclopedia of the Automobile. London: HMSO, 2000. ISBN 1579582931
Ingrassia, Paul, and Joseph B. White. Comeback: The Fall and Rise of the American Automobile Industry. New York: Simon & Schuster, 2002. ISBN 0684804379
Montgomery, Andrew. The Great Book of American Automobiles. Osceola, WI: Motorbooks International, 2002. ISBN 0760314764
Newton, Tom. How Cars Work. Vallejo, CA: Black Apple Press, 1999. ISBN 0966862309
Setright, L.J.K. Drive On!: A Social History of the Motor Car. Granta Books, 2004. ISBN 1862076987
External links
All links retrieved December 2, 2021.

Wikicars.org
Howstuffworks “Auto Channel”
How Do Car Engines Work?
National Highway Traffic Safety Administration (United States)
Insurance Institute for Highway Safety (United States)

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