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  2. Piezoelectric motor - Wikipedia

    en.wikipedia.org/wiki/Piezoelectric_motor

    Insides of a slip-stick piezoelectric motor. Two piezoelectric crystals are visible that provide the mechanical torque. [1]A piezoelectric motor or piezo motor is a type of electric motor based on the change in shape of a piezoelectric material when an electric field is applied, as a consequence of the converse piezoelectric effect.

  3. Ivchenko-Progress AI-322 - Wikipedia

    en.wikipedia.org/wiki/Ivchenko-Progress_AI-322

    The development of the engine continues at Ivchenko-Progress of Zaporizhzhia, Ukraine. The engine was originally intended for the Hongdu L-15 trainer aircraft and it is now planned to be used in Baykar Bayraktar Kızılelma fighter UAV. An afterburning version, the AI-322F is also available.

  4. Tweeter - Wikipedia

    en.wikipedia.org/wiki/Tweeter

    Dome tweeter with a membrane with 25 mm diameter made from titanium; from a JBL TI 5000 loudspeaker box, c. 1997. A dome tweeter is constructed by attaching a voice coil to a dome (made of woven fabric, thin metal or other suitable material), which is attached to the magnet or the top plate via a low compliance suspension.

  5. Wellington Drive Technologies - Wikipedia

    en.wikipedia.org/wiki/Wellington_Drive_Technologies

    Wellington Drive Technologies Ltd (WDT) is a New Zealand–based company that supplies electricity-saving, electronically commutated (EC) motors and fans worldwide. Their focus is on advanced motors, electronics and software that save power. The company makes motors from industrial plastics, rather than from stamped metal parts.

  6. List of traction motor manufacturers - Wikipedia

    en.wikipedia.org/wiki/List_of_traction_motor...

    Nidec Motor Corporation: Perm Motor Power Machines: Electrosila plant Ransomes, Sims & Jefferies: Rosenergomash: Rotem: Rotomac Electricals, India Ruf Automobile: Alois Ruf Ruselprom SAINI: Rail vehicle equipment manufacturer - traction machines, radiator cooling fan, dynamic breaking resistor unit, smoothing reactor, auxiliary equipment

  7. Inchworm motor - Wikipedia

    en.wikipedia.org/wiki/Inchworm_motor

    To initialize the inchworm motor the clutching piezo closest to the direction of desired motion (which then becomes the forward clutch piezo) is electrified first then the six step cycle begins as follows (see Figure 2.): Step 1. Extension of the lateral piezo. Step 2. Extension of the aft clutch piezo. Step 3. Relaxation of the forward clutch ...

  8. 11 Festive Drinks To Light Up Your Holiday Season

    www.aol.com/11-festive-drinks-light-holiday...

    3. Traditional Wassail. Forget boring cider — wassail is the OG festive drink dating back to medieval England. Part of a tradition called “wassailing,” it was made to toast good health and ...

  9. Ultrasonic motor - Wikipedia

    en.wikipedia.org/wiki/Ultrasonic_motor

    Ultrasonic motors also offer arbitrarily large rotation or sliding distances, while piezoelectric actuators are limited by the static strain that may be induced in the piezoelectric element. One common application of ultrasonic motors is in camera lenses where they are used to move lens elements as part of the auto-focus system.

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