IP Library › Patent Application 16411338
Patent Application
App. No. 16/411,338

REGENERATIVE ELECTRICAL POWER SUPPLY FOR ELEVATORS

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Quick Facts
Patent No.
US None
App. No.
16/411,338
Abstract

An energy storage system is provided including: an elevator; an elevator motor; a power system coupled to the elevator motor. The power system including at least one capacitor operable to store energy received form the elevator motor and to supply stored energy to the elevator motor; and at least one flywheel operable to store energy received from the elevator motor and to supply stored energy to the elevator motor.

Claims (8)

1 . An energy storage system including:

an elevator;

an elevator motor;

a power system coupled to the elevator motor; and

the power system including:

at least one capacitor operable to store energy received from the elevator motor and to supply stored energy to the elevator motor;

at least one flywheel operable to store energy received from the elevator motor and to supply stored energy to the elevator motor, the at least one flywheel electrically coupled to a DC bus, the DC bus operable to receive a voltage generated by the elevator motor; and

a flywheel motor controller that monitors the DC bus voltage and an AC line voltage.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 14, 2019
From: JACOBS, HAROLD L.; KWIT, LEWIS M.; LYNCH, KEVIN P.
To: PREMCO, INC.
Reel/Frame 049169/0928 →