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Also known as e-brakes, hand brakes and parking brakes, emergency brakes are not powered by hydraulics and are independent of the service brakes used to slow and stop vehicles. Raphael, JR. "Unplug for Dollars: Stop 'Vampire Power' Waste." PC World. Switcher technology is also used to make AC from DC, as found in many of the automobile power inverters used to run AC appliances in an automobile and in uninterruptible power supplies. One other thing to note is that if you plan to operate sensitive equipment like TVs and computers from an emergency power supply, you will want to have in place excellent surge protection equipment and, in the case of a computer, an uninterruptible power supply (UPS). You'll remember from the previous section that all we have to do to get a 1:1 output is lock together any two of the three parts of the planetary gear. We'll put the two sets of gears together in the next section.

But the output direction is really the same as the input direction -- this is where the trick with the two sets of planets comes in. It has one ring gear that is always the output of the transmission, but it has two sun gears and two sets of planets. The first set of planets engages the second set, and the second set turns the ring gear; this combination reverses the direction. There are several other ratios that can be gotten out of this planetary gear set, but these are the ones that are relevant to our automatic transmission. For those who have almost any issues regarding where by and also the best way to utilize what is electric cable, you possibly can call us with the web-page. An automatic transmission contains two complete planetary gearsets folded together into one component. This transmission does something really neat in order to get the ratio needed for second gear. Choosing which piece plays which role determines the gear ratio for the gearset. So the ratio in reverse is a little less than first gear in this transmission. If the mechanism is lined up on one of the high spots on the output, then the spring will push on the tapered bushing, but the lever will not lock into place until the car rolls a little and the teeth line up properly.

This is why sometimes your car moves a little bit after you put it in park and release the brake pedal -- it has to roll a little for the teeth to line up to where the parking mechanism can drop into place. Pod Docks: Why carry around dozens of CDs when you already have hundreds of albums stored on your iPod? With the arrangement in this gearset it is even easier - all we have to do is engage the clutches that lock each of the sun gears to the turbine. You can see that this would also cause the bigger sun gear to spin; but because that clutch is released, the bigger sun gear is free to spin in the opposite direction of the turbine (counterclockwise). The last is a reduction again, but the output direction is reversed. The planet carrier tries to spin counterclockwise, but is held still by the one-way clutch (which only allows rotation in the clockwise direction) and the ring gear turns the output.

So the first stage consists of the sun (the smaller sun gear), the planet carrier, and the ring (the larger sun gear). Only the planet on the left engages the ring gear. The planet on the right does not engage the ring gear - it engages the other planet. Notice how the planet on the right sits lower than the planet on the left. Notice that it has tapered sides. Los Angeles Times. "Louis XV, elevator king." SFGate. The planet carrier turns 2.2 times for each rotation of the small sun gear. It acts like two planetary gearsets connected to each other with a common planet carrier. In this transmission there are two bands. If the car is in overdrive (on a four-speed transmission), the transmission will automatically select the gear based on vehicle speed and throttle pedal position. Refer to your service manual before you raise the car. Since neutral conductors and ground conductors are connected at the point of service disconnect, SEU cables can only be used up to the service disconnect to avoid significant safety concerns. The shorter gears are engaged only by the smaller sun gear.

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