Differential Gear

Differential gear, in auto mechanics, gear arrangement that allows power from the engine to be transmitted to a couple of generating wheels, dividing the force equally between them but permitting them to check out paths of different lengths, as when turning a corner or traversing an uneven road. On a straight street the tires rotate at the same acceleration; when turning a part the outside wheel has farther to go and can turn faster than the inner wheel if unrestrained.

The elements of the Ever-Power differential are demonstrated in the Figure. The energy from the transmission is sent to the bevel band equipment by the drive-shaft pinion, both of which are held in bearings in the rear-axle casing. The case is an open boxlike structure that's bolted to the ring gear possesses bearings to support one or two pairs of diametrically opposite differential bevel pinions. Each wheel axle is attached to a differential side equipment, which meshes with the differential pinions. On a straight road the tires and the side gears rotate at the same Differential Gear acceleration, there is no relative motion between the differential aspect gears and pinions, plus they all rotate as a device with the case and ring gear. If the vehicle turns to the left, the right-hand wheel will be forced to rotate faster than the left-hand steering wheel, and the side gears and the pinions will rotate in accordance with one another. The ring equipment rotates at a speed that is equal to the mean velocity of the left and correct wheels. If the wheels are jacked up with the transmitting in neutral and one of the wheels is turned, the opposite wheel will submit the opposite direction at the same speed.

The torque (turning instant) transmitted to the two wheels with the Ever-Power differential is the same. Consequently, if one steering wheel slips, as in ice or mud, the torque to the other steering wheel is reduced. This disadvantage could be overcome somewhat by the utilization of a limited-slip differential. In one version a clutch connects among the axles and the ring gear. When one wheel encounters low traction, its tendency to spin can be resisted by the clutch, therefore providing greater torque for the various other wheel.
OPEN DIFFERENTIAL:
A differential in its most elementary form comprises two halves of an axle with a gear on each end, linked together by a third gear creating three sides of a sq .. This is normally supplemented by a fourth gear for added power, completing the square.