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Another kind of Boom Truck is known as a Bucket Truck. It has a bucket accessory with an expandable arm and specializes in lifting people, usually workers up in the air. Bucket Trucks are otherwise known as Aerial Boom Trucks. They have a lifting capacity of 150 kg to 700 kg and the bucket itself could be lengthened up to 10 meters in the air.
Knuckle Boom Trucks are much bigger lift vehicles that are outfitted along with a crane on the back of the equipment. If the length of the vehicle is lengthened, then the truck becomes a Trolley Boom Truck. These kinds of trucks have a lifting capacity of ten tons to fifty tons.
A Concrete Boom Truck is yet another type of Boom Truck that has a big container on its rear that is made to lift concrete and expandable pipe. Concrete is pumped with the pipe into a specific location. Concrete Boom Trucks could be extended up to seventy meters.
The fluid coupling kind is the most popular type of torque converter utilized in auto transmissions. In the 1920's there were pendulum-based torque or also called Constantinesco converter. There are various mechanical designs utilized for constantly changeable transmissions which have the ability to multiply torque. For example, the Variomatic is a type that has expanding pulleys and a belt drive.
A fluid coupling is a 2 element drive which cannot multiply torque. A torque converter has an additional element that is the stator. This changes the drive's characteristics through occasions of high slippage and generates an increase in torque output.
There are a at least three rotating components in a torque converter: the turbine, which drives the load, the impeller, that is mechanically driven by the prime mover and the stator, that is between the turbine and the impeller so that it could alter oil flow returning from the turbine to the impeller. Traditionally, the design of the torque converter dictates that the stator be stopped from rotating under any condition and this is where the word stator begins from. In truth, the stator is mounted on an overrunning clutch. This design prevents the stator from counter rotating with respect to the prime mover while still allowing forward rotation.
