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  2. Leybold GmbH - Wikipedia

    en.wikipedia.org/wiki/Leybold_GmbH

    In 1994, Degussa sold Leybold to the Swiss Oerlikon Bührle Group, which combined Leybold with the Balzers AG, which was already in their possession, to form the Balzers and Leybold Group. The merger of these companies resulted in the world's largest vacuum and surface technology company with around 6 500 employees, generating sales of DEM 1.8 ...

  3. Rotary vane pump - Wikipedia

    en.wikipedia.org/wiki/Rotary_vane_pump

    An eccentric rotary vane pump Another eccentric rotary-vane pump design. Note that modern pumps have an area contact between rotor and stator (and not a line contact). 1. pump housing 2. rotor 3. vanes 4. spring. A rotary vane pump is a type of positive-displacement pump that consists of vanes mounted to a rotor that rotates inside a cavity. In ...

  4. Centrifugal pump - Wikipedia

    en.wikipedia.org/wiki/Centrifugal_pump

    A centrifugal pump containing two or more impellers is called a multistage centrifugal pump. The impellers may be mounted on the same shaft or on different shafts. At each stage, the fluid is directed to the center before making its way to the discharge on the outer diameter. For higher pressures at the outlet, impellers can be connected in series.

  5. Rotary feeder - Wikipedia

    en.wikipedia.org/wiki/Rotary_feeder

    Rotary airlock; The basic use of the rotary airlock feeder is as an airlock transition point, sealing pressurized systems against loss of air or gas while maintaining a flow of material between components with different pressure and suitable for air lock applications ranging from gravity discharge of filters, rotary valves, cyclone dust collectors, and rotary airlock storage devices to ...

  6. Rotary Club of Manila - Wikipedia

    en.wikipedia.org/wiki/Rotary_Club_of_Manila

    The Rotary Club of Manila is the first and oldest Rotary Club in Asia. After its establishment, the Rotary Club of Manila sponsored other organizations, including the Rotary Club of Cebu (1932), the Rotary Club of Iloilo (1933), the Community Chest Foundation, the Philippine Band of Mercy (1937), the Philippine Safety Council, and the Boy Scouts of America Philippine Islands Council (1923).

  7. Cheng rotation vane - Wikipedia

    en.wikipedia.org/wiki/Cheng_rotation_vane

    A fluid flow conditioning device, the cheng rotation vane (CRV) is a stationary vane [1] fabricated within a pipe piece as a single unit and welded directly upstream of an elbow before the pump inlet, flow meters, compressors, or other downstream equipment.

  8. Rotary actuator - Wikipedia

    en.wikipedia.org/wiki/Rotary_actuator

    A rotary actuator is an actuator that produces a rotary motion or torque. The simplest actuator is purely mechanical, where linear motion in one direction gives rise to rotation. The most common actuators are electrically powered; others may be powered pneumatically or hydraulically , or use energy stored in springs .

  9. Rotary kiln - Wikipedia

    en.wikipedia.org/wiki/Rotary_kiln

    The rotary kiln was invented in 1873 by Frederick Ransome. [1] He filed several patents in 1885-1887, but his experiments with the idea were not a commercial success. Nevertheless, his designs provided the basis for successful kilns in the US from 1891, subsequently emulated worldwide.