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Serpentine belt (foreground) and dual vee belt (background) on a bus engine Belt tensioner providing pressure against the back of a serpentine belt in an automobile engine. A serpentine belt (or drive belt [1]) is a single, continuous belt used to drive multiple peripheral devices in an automotive engine, such as an alternator, power steering pump, water pump, air conditioning compressor, air ...
'A serpentine belt also is much easier to [...] replace'. I guess you've never watched it being done! Of course, the engine compartments in modern cars are much more crammed than those say 20 years ago. But, compared to a simple belt which you just slide over two pullies and tighten, you need to have a schematic to fix a serpentine belt properly.
A timing belt is typically made from rubber, although some belts are instead made from polyurethane or neoprene. [8] [9] The structure of the belt is reinforced with corded fibres (acting as tension members) [10] and the toothed surface is reinforced with a fabric covering. [11] Rubber degrades with higher temperatures, and with contact with ...
A belt is a loop of flexible material used to link two or more rotating shafts mechanically, most often parallel. Belts may be used as a source of motion, to transmit power efficiently or to track relative movement. Belts are looped over pulleys and may have a twist between the pulleys, and the shafts need not be parallel.
A toothed belt, timing belt, cogged belt, cog belt, or synchronous belt is a flexible belt with teeth moulded onto its inner surface. Toothed belts are usually designed to run over matching toothed pulleys or sprockets. Toothed belts are used in a wide array of mechanical devices where high power transmission is desired.
[8] [9] Symptoms may include abdominal bruising (seat belt sign), or less commonly paralysis of the legs. [4] [10] In around half of cases there is an associated abdominal injury such as a splenic rupture, small bowel injury, pancreatic injury, or mesenteric tear. [3] [5] Injury to the bowel may not be apparent on the first day. [11]
Seat belt syndrome is a collective term that includes all injury profiles associated with the use of seat belts. It is defined classically as a seat belt sign (seat belt marks on the body) plus an intra-abdominal organ injury (e.g. bowel perforations) and/or thoraco - lumbar vertebral fractures. [ 1 ]
The abdominal organs. Signs and symptoms are not seen in early days and after some days initial pain is seen. People injured in motor vehicle collisions may present with a "seat belt sign", bruising on the abdomen along the site of the lap portion of the safety belt; this sign is associated with a high rate of injury to the abdominal organs. [4]