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  2. Water brake - Wikipedia

    en.wikipedia.org/wiki/Water_brake

    The housing is vented to the outside to allow air to displace the water as the water level in the unit rises and falls. The amount of torque that can be absorbed is defined by the equation T=kN 2 D 5 where T = torque, N = RPM, D = the diameter of the rotor and k = a constant dependent on the size and shape and angle of the rotor/stator pockets.

  3. Electromagnetic clutches and brakes - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_clutches...

    In an electromagnetic brake, the north and south pole is created by a coil shell and a wound coil. In a brake, the armature is being pulled against the brake field. (A-3) The frictional contact, which is being controlled by the strength of the magnetic field, is what causes the rotational motion to stop.

  4. HVAC control system - Wikipedia

    en.wikipedia.org/wiki/HVAC_control_system

    HVAC (Heating, Ventilation and Air Conditioning) equipment needs a control system to regulate the operation of a heating and/or air conditioning system. [1] Usually a sensing device is used to compare the actual state (e.g. temperature) with a target state. Then the control system draws a conclusion what action has to be taken (e.g. start the ...

  5. Eddy current brake - Wikipedia

    en.wikipedia.org/wiki/Eddy_current_brake

    Disk electromagnetic brakes are used on vehicles such as trains, and power tools such as circular saws, to stop the blade quickly when the power is turned off.A disk eddy current brake consists of a conductive non-ferromagnetic metal disc attached to the axle of the vehicle's wheel, with an electromagnet located with its poles on each side of the disk, so the magnetic field passes through the ...

  6. How Often Should You Clean Your Air Ducts? Experts Explain - AOL

    www.aol.com/often-clean-air-ducts-experts...

    If you turn on the air conditioning unit to stay cool in the summer, or if you turn on the heat to stay warm in the winter, you have an HVAC system, or Heating, Ventilation and Air Conditioning ...

  7. Electric friction brake - Wikipedia

    en.wikipedia.org/wiki/Electric_friction_brake

    Interference is known as 'pulsating brakes' which may occur when braking while also having the turn indicator flashing. There are different ways to minimize this problem, and it ranges from using a special pulse preventer to having a separate electric brake trailer connector with a brake circuit completely separated from the rest of the trailer ...

  8. How to lower your air conditioning bill

    www.aol.com/news/lower-air-conditioning-bill...

    GE Window Air Conditioner Unit $164.00 at Amazon. GE Window Air Conditioner Unit $139.99 at Best Buy. GE Window Air Conditioner Unit $159.00 at Home Depot. Insignia 300 Sq. Ft. Portable Air ...

  9. NYT ‘Connections’ Hints and Answers Today, Sunday, January 12

    www.aol.com/nyt-connections-hints-answers-today...

    Today's Connections Game Answers for Sunday, January 12, 2025: 1. FABRICATION: FAIRY TALE, FANTASY, FICTION, INVENTION 2. WOO: CHARM, COURT, PURSUE, ROMANCE 3 ...