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In 1230, Ralph married Princess Gwladus, daughter of Llywelyn ab Iorwerth and Joan, Lady of Wales (the only acknowledged, illegitimate daughter of John, King of England). They had the following children: Roger Mortimer, 1st Baron Mortimer, in 1247, married Maud de Braose, by whom he had seven children; Hugh de Mortimer (d. 1273x4), lord of ...
A torque converter is a device, usually implemented as a type of fluid coupling, that transfers rotating power from a prime mover, like an internal combustion engine, to a rotating driven load. In a vehicle with an automatic transmission , the torque converter connects the prime mover to the automatic gear train, which then drives the load.
The goal was to produce a compact, totally enclosed single component drive unit with high efficiency and lower frictional losses compared to a conventional geared motor. Today, drum motors are may be found in airport check-in conveyors and security machines, supermarket check stands, food processing conveyors and weighing equipment.
Next, the downward force acting on the lower pulley equals the upward forces acting on it, so F L = F W + F Y, or 2F W because F W = F Y. Additionally, there is no net torque or moment around the compound pulley, so the clockwise torque is equal to the anticlockwise torque: F W R + F X r = F Y r + F Z R. Substituting F X and F Y from the above ...
A pulley may have a groove or grooves between flanges around its circumference to locate the cable or belt. The drive element of a pulley system can be a rope, cable, belt, or chain. The earliest evidence of pulleys dates back to Ancient Egypt in the Twelfth Dynasty (1991–1802 BC) [1] and Mesopotamia in the early 2nd millennium BC. [2]
Torque multipliers only have a fraction of the final torque pressure on the drive tool making them a safer choice. Torque multipliers typically employ an epicyclic gear train having one or more stages. Each stage of gearing multiplies the torque applied. In epicyclic gear systems, torque is applied to the input gear or ‘sun’ gear. A number ...
Ranulph de Mortemer was born in Normandy before 1070 and died in 1104 or after, at an unknown date. [7] He was the son of the Norman baron Roger de Mortemer and Hawise. His father assumed the name Mortemer after being given the possession of the castle and village of Mortemer in the Pays de Bray, called sometimes Morte-mer sur Eaulne or en Brai.
A conveyor pulley is a mechanical device used to change the direction of the belt in a conveyor system, to drive the belt, and to tension the belt.Modern pulleys are made of rolled shells with flexible end disks and locking assemblies.