MEMBRANE DRIVE Russian patent published in 2019 - IPC F16K31/145 F15B15/10 

FIELD: mechanical engineering.

SUBSTANCE: invention relates to the field of mechanical engineering, hydraulic and pneumatic actuators, operating from the action of gas or liquid. Drive includes membrane, limiting working chamber, made with possibility of connection with working medium excess pressure line, and connected with rod with fixed on it stop, wherein between the support and the membrane there is additionally a flexible shell forming a sealed chamber configured to be connected to the working medium excess pressure line.

EFFECT: increased stiffness of stock stroke from load.

1 cl, 1 dwg