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Labyrinth seals are also found on pistons, which use them to store oil and seal against high pressure during compression and power strokes, as well as on non-rotating shafts. In these applications, it is the long and difficult path and the formation of controlled fluid vortices plus some limited contact-sealing action that creates the seal.
Seals are used to prevent oil leakage, control air for cooling and prevent stray air flows into turbine cavities. A series of (e.g. labyrinth) seals allow a small flow of bleed air to wash the turbine disc to extract heat and, at the same time, pressurize the turbine rim seal, to prevent hot gases entering the inner part of the engine.
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Tandem seal with intermediate labyrinth; Double opposed seal - Used when the processed gas is abrasive (like hydrogen) and lower pressure designs. All designs use buffering with "dry" gas, supplied through control and purification systems. All Dry Gas Seals need additional protection from the process and the bearing lubrication sides of the seal
In mechanical engineering, an end-face mechanical seal (often shortened to mechanical seal) is a type of seal used in rotating equipment, such as pumps, mixers, blowers, and compressors. When a pump operates, the liquid could leak out of the pump between the rotating shaft and the stationary pump casing. Since the shaft rotates, preventing this ...
Klum gave birth to daughter Leni in May 2004, and Seal adopted the little one five years later. The singer and Klum went on to welcome Henry, Jonah and Lou in 2005, 2006 and 2009, respectively ...
A gland is a general type of stuffing box, used to seal a rotating or reciprocating shaft against a fluid. The most common example is in the head of a tap where the gland is usually packed with string which has been soaked in tallow or similar grease.
Jennifer Connelly and David Bowie may be the stars of Jim Henson's 1986 fantasy classic Labyrinth, but they're surrounded by scene-stealing puppets who seem every bit as human.That's the special ...