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2. 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 ...

3. Ceiling fan - Wikipedia

   en.wikipedia.org/wiki/Ceiling_fan

   Variable-speed control. During the 1970s and into the mid-1980s, fans were often produced with a solid-state variable-speed control. This was a dial mounted either on the body of the fan or in a gang box at the wall, and when turned in either direction, continuously varied the speed at which the blades rotated—similar to a dimmer switch for a ...

4. Fan coil unit - Wikipedia

   en.wikipedia.org/wiki/Fan_coil_unit

   DC motors allow the speed of the fans within a fan coil unit to be controlled by means of a 0-10 Volt input control signal to the motor/s, the transformers and speed switches associated with AC fan coils are not required. Up to a signal voltage of 2.5 Volts (which may vary with different fan/motor manufacturers) the fan will be in a stopped ...

5. 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 ...

6. Brushless DC electric motor - Wikipedia

   en.wikipedia.org/wiki/Brushless_DC_electric_motor

   Brushless motors are commonly used as pump, fan and spindle drives in adjustable or variable speed applications as they are capable of developing high torque with good speed response. In addition, they can be easily automated for remote control. Due to their construction, they have good thermal characteristics and high energy efficiency. [20]

7. Vornado Air - Wikipedia

   en.wikipedia.org/wiki/Vornado_Air

   Vornado is an American fan and home appliance brand based in Andover, Kansas, United States.The current incarnation of the company was founded in 1989, two years after the death of Ralph K. Odor (1895–1987), who founded the firm in the 1930s with Ottis A. Sutton in Wichita. [1]