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cityelevator.ca
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Definitions (45)
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encoder
Optical digital device used in closed loop systems for speed feedback. Typical resolution is 1024 pulses per motor revolution.
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rope brake
A safety device that clamps the elevator cables in the event of a failure of the normal brake.
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ac-vvvf
Alternating Current Variable Voltage Variable Frequency - type of motor control used in most modern elevators.
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brake
An electrically operated safety device attached to the machine that acts to stop and hold the elevator.
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buffer
Oil or spring buffer used as a safety device in case of over travel of the car or counterweight.
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cab
Elevator interior cabin, sometimes also referred to as the car.
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car
The enclosure that is used by passengers to travel up or down.
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car door
The door used inside the elevator car.
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car operating panel
The applied panel, usually stainless steel, containing the car push buttons inside the elevator cab.
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car or hall door rollers
Rollers that suspend the door panel in the car and hall. Rollers run on door tracks above the door.
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