ELECTRICAL DOOR OPERATOR
First Claim
1. A door operator for a door comprising:
- a motor moving the arm to move the door between a closed position and an open position and between the open position and the closed position;
a current sensor generating a current signal corresponding to the current to the motor;
a position sensor in communication with the arm generating a position signal corresponding to the position of the door relative to the frame; and
a controller communicating with the sensor and the motor, said controller controls a motor current to the motor in response to the current signal and the position signal so that door movement speed is below a limit speed and the corresponding closing force is below a predetermined force.
6 Assignments
0 Petitions
Accused Products
Abstract
A door operator for use with a door includes an arm that extends from the door operator. The door operator includes a motor moving the arm to move the door between a closed position and an open position and between the open position and the closed position. A current sensor generates a current signal corresponding to the current to the motor. A position sensor in communication with the door arm generates a position signal corresponding to the position of the door relative to the frame. A controller communicates with the sensor and the motor. The controller controls a motor current to the motor in response to the current signal and the position signal.
129 Citations
33 Claims
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1. A door operator for a door comprising:
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a motor moving the arm to move the door between a closed position and an open position and between the open position and the closed position; a current sensor generating a current signal corresponding to the current to the motor; a position sensor in communication with the arm generating a position signal corresponding to the position of the door relative to the frame; and a controller communicating with the sensor and the motor, said controller controls a motor current to the motor in response to the current signal and the position signal so that door movement speed is below a limit speed and the corresponding closing force is below a predetermined force. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. (canceled)
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29. (canceled)
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30. (canceled)
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31. (canceled)
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32. (canceled)
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33. (canceled)
Specification