MEMBRANE DRIVE Russian patent published in 2017 - IPC F16K31/00 

FIELD: machine engineering.

SUBSTANCE: diaphragm actuator comprising a housing with a working chamber bounded by two membranes with larger and smaller in the area with hard centers connected to the rod. On the stock over a smaller area with a tough outer working chamber side plate installed area exceeding more rigid area of the center.

EFFECT: expansion of the functionality of the work of membrane drives by providing a movement of the body by increasing the pressure in the two sides of the working medium supply from the starting position without changing the dimensions.

2 cl, 2 dwg