System for providing DC power to elevator car
First Claim
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1. An elevator door controller system for operating car doors of an elevator car, the system comprising:
- a DC power supply unit for supplying DC power;
a travelling cable for delivering DC power to the car, the travelling cable connected between the DC power supply unit and the car;
a power storage device located on the car for storing DC power from the travelling cable;
a DC motor for operating the car doors; and
an elevator door drive powered by the power storage device for driving the DC motor to operate the car doors.
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Abstract
The present invention relates to an elevator door controller system for operating doors of an elevator car. The system includes a travelling cable for delivering DC power to the car. The car includes a power storage device for storing DC power from the travelling cable, a DC motor for operating the car doors, and an elevator door drive powered by the power storage device for driving the DC motor to operate the car doors.
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Citations
19 Claims
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1. An elevator door controller system for operating car doors of an elevator car, the system comprising:
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a DC power supply unit for supplying DC power; a travelling cable for delivering DC power to the car, the travelling cable connected between the DC power supply unit and the car; a power storage device located on the car for storing DC power from the travelling cable; a DC motor for operating the car doors; and an elevator door drive powered by the power storage device for driving the DC motor to operate the car doors. - View Dependent Claims (2, 3, 4, 5, 6, 7, 19)
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8. An elevator system, the system comprising:
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an elevator car with doors; a power supply located separate from the elevator car for supplying DC power; a travelling cable connected between the power supply and the car for delivering DC power from the power supply to the car; a power storage device for storing DC power from the travelling cable; a DC motor for operating the car doors; and an elevator door drive powered by the power storage device for driving the DC motor to operate the car doors. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A method of powering an elevator door controller system for operating doors of an elevator car, the method comprising:
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supplying DC power through a travelling cable connecting a DC power supply to a power storage device on the elevator car; storing the DC power from the travelling cable in the power storage device; and operating elevator doors with a DC motor driven by an elevator door drive powered by the power storage device. - View Dependent Claims (15, 16, 17, 18)
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Specification