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  2. Aventics - Wikipedia

    en.wikipedia.org/wiki/Aventics

    The company was formed in 2013 through the divestment of the pneumatics division of the Bosch Rexroth. In December 2013, it was sold to the financial investor Triton Partners [3] and traded as Aventics from February 2014 until the Emerson purchase in July 2018. Pneumatics uses compressed air as a drive medium.

  3. PPT-Petoletka - Wikipedia

    en.wikipedia.org/wiki/PPT-Petoletka

    The factory entered its "golden era" during the 1980s. During this time the factory had nearly 20,000 employees. The design offices of Prva Petoletka designed hydraulic systems for many of the hydroelectric power plants in Yugoslavia, the hydraulic drive on a class of massive roto-excavators for surface mines, drive- and control-systems for the sets of the National Theatre in Belgrade, electro ...

  4. Pneumatics - Wikipedia

    en.wikipedia.org/wiki/Pneumatics

    Pneumatics (from Greek πνεῦμα pneuma 'wind, breath') is the use of gas or pressurized air in mechanical systems. Pneumatic systems used in industry are commonly powered by compressed air or compressed inert gases. A centrally located and electrically-powered compressor powers cylinders, air motors, pneumatic actuators, and other ...

  5. Railway air brake - Wikipedia

    en.wikipedia.org/wiki/Railway_air_brake

    The locomotive's air compressor typically charges the main reservoir with air at 125–140 psi (8.69.7 bar; 860–970 kPa). The train brakes are released by admitting reduced and regulated main reservoir air pressure to the brake pipe through the engineer's automatic brake valve.

  6. List of astronomical catalogues - Wikipedia

    en.wikipedia.org/.../List_of_astronomical_catalogues

    Abt — (for example: open star cluster Abt 1 = Biurakan 4 = Markarian 6 = Stock 7) (at 2:29.6 / +60°39' near the southwestern section of the Heart Nebula in Cassiopeia) AC — Astrographic Catalogue; A.C. — Alvan Clark (double stars) Ac / Ack — Agnès Acker (planetary nebulae) A.G.C. — Alvan Graham Clark (double stars) AGC — Arecibo ...

  7. Hydropneumatic device - Wikipedia

    en.wikipedia.org/wiki/Hydropneumatic_device

    Hydropneumatic refers to the pneumatic (gas) and hydraulic (water) components needed for operation of the devices. Hydropneumatic accumulators or pulsation dampeners are devices which prevent, but do not absorb, alleviate, arrest, attenuate, or suppress a shock that already exists, meaning that these devices prevent the creation of a shock wave ...

  8. Steely Dan discography - Wikipedia

    en.wikipedia.org/wiki/Steely_Dan_discography

    The discography for the American rock band Steely Dan consists of nine studio albums, twenty one singles, two live albums, one live set on DVD, seven compilations and one box set in the United States.

  9. Hydraulics - Wikipedia

    en.wikipedia.org/wiki/Hydraulics

    Hydraulics (from Ancient Greek ὕδωρ (húdōr) ' water ' and αὐλός (aulós) ' pipe ') [2] is a technology and applied science using engineering, chemistry, and other sciences involving the mechanical properties and use of liquids. At a very basic level, hydraulics is the liquid counterpart of pneumatics, which concerns gases.