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2. Hydraulic cylinder - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_cylinder

   A hydraulic cylinder is the actuator or "motor" side of this system. The "generator" side of the hydraulic system is the hydraulic pump which delivers a fixed or regulated flow of oil to the hydraulic cylinder, to move the piston. There are three types of pump widely used: hydraulic hand pump, hydraulic air pump, and hydraulic electric pump.

3. Hydraulic seal - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_seal

   Hydraulic Piston seals prevent fluid from crossing the area of the piston head. Rod seals ensure that fluid does not leak from the cylinder and adequate pressure is maintained. Wiper seals are installed to prevent contamination from entering the hydraulic system. [2] A rod seal prevents leakage of hydraulic fluid to the outside of the sealing ...

4. Cylinder seal - Wikipedia

   en.wikipedia.org/wiki/Cylinder_seal

   Cylinder-seal of the Uruk period and its impression, c.3100 BC. Louvre Museum. Cylinder seal of First Dynasty of Ur Queen Puabi, found in her tomb, dated circa 2600 BC, with modern impression. Inscription: 𒅤𒀜 𒎏 - Pu 3-abi (AD) Nin - Queen Pu-abi. [1] [2] [3] Old Babylonian cylinder seal, c.1800 BC, hematite. Linescan camera image ...

5. Master cylinder - Wikipedia

   en.wikipedia.org/wiki/Master_cylinder

   The most common vehicle uses of master cylinders are in brake and clutch systems.. In brake systems, the operated devices are cylinders inside brake calipers and/or drum brakes; these cylinders may be called wheel cylinders or slave cylinders, and they push the brake pads towards a surface that rotates with the wheel (this surface is typically either a drum or a disc, a.k.a. a rotor) until the ...

6. Gasket - Wikipedia

   en.wikipedia.org/wiki/Gasket

   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. [1] Gaskets allow for "less-than-perfect" mating surfaces on machine parts where they can fill irregularities. Gaskets are commonly produced by cutting from sheet materials.

7. Storms threaten to disrupt holiday travel across US

   www.aol.com/storms-threaten-disrupt-holiday...

   This week has the potential to bring a wave of messy weather across the United States as travellers hit the roads and airports ahead of the Thanksgiving holiday.