Hydraulic elevator with accumulator energy storage and...

B - Operations – Transporting – 66 – B

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B66B 9/04 (2006.01) B66B 1/04 (2006.01) F15B 21/14 (2006.01)

Patent

CA 2141304

A method for operating an elevator involves the use of a hydraulic pressure accumulator to store power during first states of motion of an elevator car and to retrieve power during second states of motion of the elevator car. An auxiliary gear is used for charging the pressure accumulator. Elevator machineryusing the method includes a hydraulic pressure accumulator, hydraulic actuators for adapting the power taken from or fed into the pressure accumulator to the state of motion of the elevator car, and an auxiliary gear for pumping hydraulic energy into the pressure accumulator.

Procédé d'exploitation d'un ascenseur dans lequel l'énergie nécessaire pour déplacer la cabine et augmenter ou diminuer la puissance du système dans son intégralité est produite/renvoyée quel que soit l'état de mouvement de l'ascenseur, par/à un accumulateur de pression hydraulique (1) chargé par un mécanisme d'entraînement auxiliaire. La machinerie de l'ascenseur comprend un accumulateur de pression hydraulique (1), des actionneurs hydrauliques (2) permettant d'adapter la puissance produite par ou envoyée dans l'accumulateur de pression selon l'état de mouvement de la cabine d'ascenseur, ainsi qu'un mécanisme d'entraînement auxiliaire (3) servant à envoyer l'énergie hydraulique dans l'accumulateur de pression.

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