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قديم منذ /22-09-2019, 02:27 PM   #1

كمال رامي
 
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 رقم العضوية : 70540
 تاريخ التسجيل : 21 - 12 - 2018
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افتراضي البرشاء جنوب دبي الثانية لتصليح الغسالات

<*iv align="left">Al Barsha South Secon* Dubai Washing Machine Repair



A washing machine (laun*ry machine, clothes washer, or washer) is a home appliance use* to wash laun*ry. The term is mostly applie* to machines that use water as oppose* to *ry cleaning (which uses alternative cleaning flui*s, an* is performe* by specialist businesses) or ultrasonic cleaners. The user a**s laun*ry *etergent, which is sol* in liqui* or pow*er form, to the wash water.
Washing by han*

Irreler Bauerntra*ition shows an early Miele washing machine at the Roschei*er Hof Open Air Museum
Laun*ering by han* involves soaking, beating, scrubbing, an* rinsing *irty textiles. Before in*oor plumbing, the mai*s washerwoman (laun*ress) or housewife also ha* to carry all the water use* for washing, boiling, an* rinsing the laun*ry; accor*ing to an 1886 calculation, women fetche* water eight to ten times every *ay from a pump, well, or spring. Water for the laun*ry woul* be han* carrie*, heate* on a fire for washing, then poure* into the tub. That ma*e the warm soapy water precious; it woul* be reuse*, first to wash the least soile* clothing, then to wash progressively *irtier laun*ry.
Removal of soap an* water from the clothing after washing was a separate process. First, soap woul* be rinse* out with clear water. After rinsing, the soaking wet clothing woul* be forme* into a roll an* twiste* by han* to extract water. The entire process often occupie* an entire *ay of har* work, plus *rying an* ironing.
It is also often use* in washbasins.
Washing by machine
Clothes washer technology *evelope* as a way to re*uce the manual labor spent, provi*ing an open basin or seale* container with pa**les or fingers to automatically agitate the clothing. The earliest machines were han*-operate* an* constructe* from woo*, while later machines ma*e of metal permitte* a fire to burn below the washtub, keeping the water warm throughout the *ay's washing.
There are mechanical washing machines *ating from the 17th century.
An early special-purpose mechanical washing *evice was the washboar*, invente* in 1797 by Nathaniel Briggs of New Hampshire, though there were pre*ecessors.
By the mi*-1850s steam-*riven commercial laun*ry machinery were on sale in the UK an* US. Technological a*vances in machinery for commercial an* institutional washers procee*e* faster than *omestic washer *esign for several *eca*es, especially in the UK. In the Unite* States there was more emphasis on *eveloping machines for washing at home, though machines for commercial laun*ry services were wi*ely use* in the late 19th an* early 20th centuries.The rotary washing machine was patente* by Hamilton Smith in 1858.As electricity was not commonly available until at least 1930, some early washing machines were operate* by a low-spee*, single-cylin*er hit-an*-miss gasoline engine.
[IMG]https://www.up-00.com/i/00140/hujzbn*qw4vv.jpg[/IMG]<*iv align="left">



Wringing by machine
After the items were washe* an* rinse*, water ha* to be remove* by twisting. To help re*uce this labor, the wringer/mangle machine was *evelope*. As implie* by the term "mangle," these early machines were quite *angerous, especially if powere* an* not han*-*riven. A user's fingers, han*, arm, or hair coul* become entangle* in the laun*ry being squeeze*, resulting in horrific injuries; unwary bystan*ers, such as chil*ren, coul* also be caught an* hurt. Safer mechanisms were *evelope* over time, an* the more hazar*ous *esigns were eventually outlawe*.
The mangle use* two rollers un*er spring tension to squeeze water out of clothing an* househol* linen. Each laun*ry item woul* be fe* through the wringer separately. The first wringers were han*-cranke*, but were eventually inclu*e* as a powere* attachment above the washer tub. The wringer woul* be swung over the wash tub so that extracte* wash water woul* fall back into the tub to be reuse* for the next loa*.
The mo*ern process of water removal by spinning *i* not come into use until electric motors were *evelope*. Spinning requires a constant high-spee* power source, an* was originally *one in a separate *evice known as an "extractor". A loa* of washe* laun*ry woul* be transferre* from the wash tub to the extractor basket, an* the water spun out in a separate operation.These early extractors were often *angerous to use, since unevenly *istribute* loa*s woul* cause the machine to shake violently. Many efforts were ma*e to counteract the shaking of unstable loa*s, such as mounting the spinning basket on a free-floating shock-absorbing frame to absorb minor imbalances, an* a bump switch to *etect severe movement an* stop the machine so that the loa* coul* be manually re*istribute*.
Combine* processes
What is now referre* to as an automatic washer was at one time referre* to as a "washer/extractor", which combine* the features of these two *evices into a single machine, plus the ability to fill an* *rain water by itself. It is possible to take this a step further, an* to also merge the automatic washing machine an* clothes *ryer into a single *evice, calle* a combo washer *ryer. [فقط الأعضاء المسجلين والمفعلين يمكنهم رؤية الوصلات . إضغط هنا للتسجيل]
History
Early machines
The first English patent un*er the category of Washing machines was issue* in 1691. A *rawing of an early washing machine appeare* in the January 1752 issue of The Gentleman's Magazine, a British publication. Jacob Christian Schأ¤ffer's washing machine *esign was publishe* 1767 in Germany. In 1782, Henry Si*gier issue* a British patent for a rotating *rum washer, an* in the 1790s E*war* Beetham sol* numerous "patent washing mills" in Englan*. One of the first innovations in washing machine technology was the use of enclose* containers or basins that ha* grooves, fingers, or pa**les to help with the scrubbing an* rubbing of the clothes. The person using the washer woul* use a stick to press an* rotate the clothes along the texture* si*es of the basin or container, agitating the clothes to remove *irt an* mu*.This cru*e agitator technology was han*-powere*, but still more effective than actually han*-washing the clothes.
More a*vancements were ma*e to washing machine technology in the form of the rotative *rum *esign. Basically, these early *esign patents consiste* of a *rum washer that was han*-cranke* to make the woo*en *rums rotate. While the technology was simple enough, it was a milestone in the history of washing machines, as it intro*uce* the i*ea of "powere*" washing *rums. As metal *rums starte* to replace the tra*itional woo*en *rums, it allowe* for the *rum to turn above an open fire or an enclose* fire chamber, raising the water temperature for more effective washes.
It woul* not be until the 19th century when steam power woul* be use* in washing machine *esigns.
In 1862, a patente* "compoun* rotary washing machine, with rollers for wringing or mangling" by Richar* Lans*ale of Pen*leton, Manchester, was shown at the 1862 Lon*on Exhibition.
The first Unite* States Patent title* "Clothes Washing" was grante* to Nathaniel Briggs of New Hampshire in 1797. Because of the Patent Office fire in 1836, no *escription of the *evice survives. Invention of a washing machine is also attribute* to Watervliet Shaker Village, as a patent was issue* to an Amos Larcom of Watervliet, New York, in 1829, but it is not certain that Larcom was a Shaker. A *evice that combine* a washing machine with a wringer mechanism *i* not appear until 1843, when Cana*ian John E. Turnbull of Saint John, New Brunswick patente* a "Clothes Washer With Wringer Rolls." During the 1850s, Nicholas Bennett from the Mount Lebanon Shaker Society at New Lebanon, New York, invente* a "wash mill", but in 1858 he assigne* the patent to Davi* Parker of the Canterbury Shaker Village, where it was registere* as the "Improve* Washing Machine".Margaret Colvin invente* the Triumph Rotary Washer, which was exhibite* in the Women's Pavilion at the Centennial International Exhibition of 1876 in Phila*elphia.At the same Exhibition, the Shakers won a gol* me*al for their machine.

An 1876 a*vertisement publishe* in Argentina.
Electric washing machines were a*vertise* an* *iscusse* in newspapers as early as 1904.Alva J. Fisher has been incorrectly cre*ite* with the invention of the electric washer. The US Patent Office shows at least one patent issue* before Fisher's US patent number 966677 (e.g. Woo*row's US patent number 921195). The "inventor" of the electric washing machine remains unknown. [فقط الأعضاء المسجلين والمفعلين يمكنهم رؤية الوصلات . إضغط هنا للتسجيل]
US electric washing machine sales reache* 913,000 units in 1928. However, high unemployment rates in the Depression years re*uce* sales; by 1932 the number of units shippe* was *own to about 600,000.
It is presume* that the first laun*romat opene* in Fort Worth, Texas in 1934. It was run by An*rew Clein. Patrons use* coin-in-the-slot facilities to rent washing machines. The term "laun*romat" can be foun* in newspapers as early as 1884 an* they were wi*esprea* *uring the Depression. Englan* establishe* public wash rooms for laun*ry along with bath houses throughout the 19th century.
Washer *esign improve* *uring the 1930s. The mechanism was now enclose* within a cabinet, an* more attention was pai* to electrical an* mechanical safety. Spin *ryers were intro*uce* to replace the *angerous power mangle/wringers of the *ay.
By 1940, 60% of the 25,000,000 wire* homes in the Unite* States ha* an electric washing machine. Many of these machines feature* a power wringer, although built-in spin *ryers were not uncommon.[فقط الأعضاء المسجلين والمفعلين يمكنهم رؤية الوصلات . إضغط هنا للتسجيل]
Automatic machines
The Washing Machine Museum in Mineral Wells, Texas
Ben*ix Home Appliances, a subsi*iary of Avco, intro*uce* the first *omestic automatic washing machine in 1937,having applie* for a patent in the same year. Avco ha* license* the name from Ben*ix Corporation, an otherwise unrelate* company. In appearance an* mechanical *etail, this first machine was not unlike the front loa*ing automatic washers pro*uce* to*ay. Although it inclu*e* many of to*ay's basic features, the machine lacke* any *rum suspension an* therefore ha* to be anchore* to the floor to prevent "walking". Because of the components require*, the machine was also very expensive. For instance, the Ben*ix Home Laun*ry Service Manual (publishe* November 1, 1946) shows that the *rum spee* change was facilitate* by a 2-spee* gearbox built to a heavy *uty stan*ar* (not unlike a car automatic gearbox, albeit at a smaller size). The timer was also probably fairly costly, because miniature electric motors were expensive to pro*uce.
Early automatic washing machines were usually connecte* to a water supply via temporary slip-on connectors to sink taps. Later, permanent connections to both the hot an* col* water supplies became the norm, as *e*icate* laun*ry water hookups became common. Most mo*ern front-loa*ing European machines now only have a col* water connection (calle* "col* fill") an* rely completely on internal electric heaters to raise the water temperature.
Many of the early automatic machines ha* coin-in-the-slot facilities an* were installe* in the basement laun*ry rooms of apartment houses.
Worl* War II an* after
After the attack on Pearl Harbor, US *omestic washer pro*uction was suspen*e* for the *uration of Worl* War II in favor of manufacturing war material. However, numerous US appliance manufacturers were given permission to un*ertake the research an* *evelopment of washers *uring the war years. Many took the opportunity to *evelop automatic machines, realizing that these represente* the future for the in*ustry.
A large number of US manufacturers intro*uce* competing automatic machines (mainly of the top-loa*ing type) in the late 1940s an* early 1950s. An improve* front-loa*ing automatic mo*el, the Ben*ix Deluxe (which retaile* at $249.50/£162.40, $2687.04 in 2016 *ollars), was intro*uce* in 1947.General Electric also intro*uce* its first top loa*ing automatic mo*el in 1947. This machine ha* many of the features that are incorporate* into mo*ern machines. Another early form of automatic washing machine manufacture* by The Hoover Company use* cartri*ges to program *ifferent wash cycles. This system, calle* the "Keymatic", use* plastic cartri*ges with key-like slots an* ri*ges aroun* the e*ges. The cartri*ge was inserte* into a slot on the machine an* a mechanical rea*er operate* the machine accor*ingly.
Several manufacturers pro*uce* semi-automatic machines, requiring the user to intervene at one or two points in the wash cycle. A common semi-automatic type (available from Hoover in the UK until at least the 1970s) inclu*e* two tubs: one with an agitator or impeller for washing, plus another smaller tub for water extraction or centrifugal rinsing.
Since their intro*uction, automatic washing machines have relie* on electromechanical timers to sequence the washing an* extraction process. Electromechanical timers consist of a series of cams on a common shaft *riven by a small electric motor via a re*uction gearbox. At the appropriate time in the wash cycle, each cam actuates a switch to engage or *isengage a particular part of the machinery (for example, the *rain pump motor). One of the first was invente* in 1957 by Winston L. Shelton an* Gresham N. Jennings, then both General Electric engineers. The *evice was grante* US Patent 2870278.
On the early electromechanical timers, the motor ran at a constant spee* throughout the wash cycle, although it was possible for the user to truncate parts of the program by manually a*vancing the control *ial. However, by the 1950s *eman* for greater flexibility in the wash cycle le* to the intro*uction of more sophisticate* electrical timers to supplement the electromechanical timer. These newer timers enable* greater variation in functions such as the wash time. With this arrangement, the electric timer motor is perio*ically switche* off to permit the clothing to soak, an* is only re-energize* just prior to a micro-switch being engage* or *isengage* for the next stage of the process. Fully electronic timers *i* not become wi*esprea* until *eca*es later.
Despite the high cost of automatic washers, manufacturers ha* *ifficulty in meeting the *eman*. Although there were material shortages *uring the Korean War, by 1953 automatic washing machine sales in the US excee*e* those of wringer-type electric machines.
In the UK an* in most of Europe, electric washing machines *i* not become popular until the 1950s. This was largely because of the economic impact of Worl* War II on the consumer market, which *i* not properly recover until the late 1950s. The early electric washers were single-tub, wringer-type machines, as fully automatic washing machines were extremely expensive. During the 1960s, twin tub machines briefly became very popular, helpe* by the low price of the Rolls Razor washers. Some machines ha* the ability to pump use* wash water into a separate tub for temporary storage, an* to later pump it back for re-use. This was *one not to save water or soap, but because heate* water was expensive an* time-consuming to pro*uce. Automatic washing machines *i* not become *ominant in the UK until well into the 1970s an* by then were almost exclusively of the front-loa*er *esign.
In early automatic washing machines, any changes in impeller/*rum spee* were achieve* by mechanical means or by a rheostat on the motor power supply. However, since the 1970s electronic control of motor spee* has become a common feature on the more expensive mo*els.






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