Valve for a hydraulic elevator

Details Valve for a hydraulic elevator Valve for a hydraulic elevator

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 31/52 (2006.01) B66B 1/04 (2006.01)

Patent

CA 2213613

A transition valve for a hydraulic elevator includes a block, a spool, an actuator, and an end cap. The actuator may be either a solenoid type actuator or an electric motor type actuator. The end cap includes an opening permitting engagement between the actuator and the spool. In a particular embodiment, the actuator is an electric motor engaged with the spool via a crank and arm. This arrangement translates the rotational motion of the motor into linear motion of the spool with a sine curve profile.

Soupape intermédiaire pour ascenseur hydraulique comprenant un corps, une bobine, un vérin et un chapeau. Le vérin peut être commandé par un solénoïde ou par un moteur électrique. Le chapeau comporte une ouverture permettant le contact entre le vérin et la bobine. Dans l'une des variantes, le vérin est lié à la bobine par une manivelle et un bras. Cette disposition transforme le mouvement de rotation du moteur en mouvement sinusoïdal de la bobine.

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