Electromechanical control for hydraulic elevators

Details Electromechanical control for hydraulic elevators Electromechanical control for hydraulic elevators

F - Mech Eng,Light,Heat,Weapons

16

K

187/6, 138/79

F16K 11/00 (2006.01) B66B 1/24 (2006.01)

Patent

CA 1173724

Electromechanical Control For Hydraulic Elevators Abstract In a hydraulic elevator, in which fluid is pumped to and from a tank into a piston to raise and lower the car, the flow of fluid is controlled by an apparatus which includes an electric motor that opens and closes a single valve to control the motion profile of the elevator car.

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