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2. Quadrajet - Wikipedia

   en.wikipedia.org/wiki/Quadrajet

   Off Road. The Quadrajet’s centrally located float is highly resistant to level changes caused by cornering or acceleration. [citation needed] The Quadrajet carburetor was actually a derivative of a variable venturi carburetor called the DOVE (diaphragm operated variable entrance) which was developed in the 1961-63 timeframe at Rochester Products.

3. Components of jet engines - Wikipedia

   en.wikipedia.org/wiki/Components_of_jet_engines

   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.

4. Gasket - Wikipedia

   en.wikipedia.org/wiki/Gasket

   A gasket is a mechanical seal which fills the space between two or more mating surfaces, generally to prevent leakage from or into the joined objects while under compression. It is a deformable material that is used to create a static seal and maintain that seal under various operating conditions in a mechanical assembly.

5. Labyrinth seal - Wikipedia

   en.wikipedia.org/wiki/Labyrinth_seal

   Indeed, many gas turbine engine seals leak by design. [4] 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 ...

6. End-face mechanical seal - Wikipedia

   en.wikipedia.org/wiki/End-face_mechanical_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 ...

7. Pratt & Whitney PW4000 - Wikipedia

   en.wikipedia.org/wiki/Pratt_&_Whitney_PW4000

   Metallic debris in a PW4056 tailpipe and a 360-degree crack in the LP turbine case just forward of the rear flange caused a Boeing 747-400 cruising at FL320 to return to Tokyo Narita. [31] All of the HPC airfoils from the 5th to the 15th stage were damaged with nicks, dents, and tears to the leading and trailing edges and/or were broken off at ...