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  2. Dahlander pole changing motor - Wikipedia

    en.wikipedia.org/wiki/Dahlander_pole_changing_motor

    A Dahlander motor (also known as a pole changing motor, dual- or two speed-motor) is a type of multispeed three-phase induction motor, in which the speed of the motor is varied by altering the number of poles; this is achieved by altering the wiring connections inside the motor. The motor may have fixed or variable torque depending on the ...

  3. Ceiling fan - Wikipedia

    en.wikipedia.org/wiki/Ceiling_fan

    A spinner fan with light kit. A modern three blade spinner fan from India. Direct-drive ceiling fans employ a motor with a stationary inner core with a shell, made of cast iron, cast aluminum, or stamped steel, that revolves around it (commonly called a "spinner" motor). The blades are attached directly to this shell.

  4. Pull switch - Wikipedia

    en.wikipedia.org/wiki/Pull_switch

    The most common use of a pull switch is to operate a ceiling electric light. The ceiling fan and mechanical wall fans are also appliances often operated by pull switches. Pull switches may be either two-position (open or closed) or multi-position (allowing for different fan speeds or levels of illumination). Mounted inside a pull switch, there ...

  5. Casablanca Fan Company - Wikipedia

    en.wikipedia.org/wiki/Casablanca_Fan_Company

    In 1981, Casablanca introduced the Slumber-Quiet system, which had a 3-way pull chain switch that controlled both the fan motor and an optional light kit, and a variable speed dial to adjust the fan's speed. This system was discontinued in 1985 and replaced with a variation of the system known as Slumber-Five, which had five fixed speeds ...

  6. High-volume low-speed fan - Wikipedia

    en.wikipedia.org/wiki/High-volume_low-speed_fan

    A high-volume low-speed ( HVLS) fan is a type of mechanical fan greater than 7 feet (2.1 m) in diameter. [ 1] HVLS fans are generally ceiling fans although some are pole mounted. HVLS fans move slowly and distribute large amounts of air at low rotational speed– hence the name "high volume, low speed." Typical applications for HVLS fans fall ...

  7. 2 nm process - Wikipedia

    en.wikipedia.org/wiki/2_nm_process

    2 nm process. In semiconductor manufacturing, the "2 nm process" is the next MOSFET (metal–oxide–semiconductor field-effect transistor) die shrink after the "3 nm" process node. The term "2 nanometer " or alternatively "20 angstrom " (a term used by Intel) has no relation to any actual physical feature (such as gate length, metal pitch or ...

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