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Gearbox
The box of transfers serves for change in a wide dia- the range of torque transmitted from the crank shaft of the engine to the drive wheels of the car when touching research Institute, the uphill driving, acceleration and movement the car is in reverse. And it is designed for prolonged separation of the engine and transmission in time mja car and when the car is on Ho lost in the move by inertia. On most cars and trucks services Tanglewood mechanical step transmission with toothed gears. Dvohvylynni the transmission number of gears 4...5 used for front wheel drive small cars class and rear-wheel drive — rear movement gates. Top gear often increases. As the govern- lo, most of the transmissions are synchronized. Tramvaynye gearbox used for cars cars made by the classic scheme, freight o light vehicle and medium-duty and AV Toboso. The number of transmissions (stages) forward gear usually is four or five, not counting the reverse gear. In modern passenger cars apply to- timid with the number of transmissions (steps) at least four. In the ex- the operation so far are cars with the three-step transmissions older models In trucks light-duty under- change four-speed box . In trucks medium-duty sometimes Yes used a four-speed box, but in most cases, five - and six-speed box- key synced to the higher gears. Multi-shaft gear box used on vehicle bilah heavy-duty to increase the number gear to improve traction and economic properties of the engine. In the heart of their designs laid che- the four-, five - and three-shaft six-speed box ne of the heating main, in common with the crankcase which is placed increase gear (divider) or reduction gear (demul- Replicator), and sometimes both together. When using mul- hovalyg boxes the number of gears can vary from 8 to 24. Most of these gear boxes used for automobiles, - biles-tractors operating with the trailer part. In most cases, the switching speed Ko timid transmission operated by the driver. Lately appear design gear boxes with AV aromatizirovannaya switching on the basis of microprocessor- Noi equipment. A continuously variable transmission of the friction type (t- Torah with a flexible coupling) got some penetration- tion on the small cars, such as "Fiat UNO". Leading automobile companies in the world (Ford, "Volkswagen", etc.), the intensive development of BES- speed transmission of this type. This allows you expect in the coming years the expansion of the application transmissions of this type. The most widely used of all types of besto- penatih gear box has received a hydrodynamic PHE- of the heating main (torque converters), which are used in the combination with the automatic speed controlled box- coy hydromechanical transmission. Future perfect- the existence of these programs will lead to broader application use them on cars for various purposes. At OTE- quality cars hydromechanical transmission services travliata on cars of the highest class Electromechanical transmission, mainly used in the heavy-duty vehicles, in particular — for all vehicles with a payload of 75 tons and above. |
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