ELECTROPNEUMATIC VALVE Russian patent published in 2018 - IPC F16K31/00 

FIELD: electricity.

SUBSTANCE: invention can be used for the stationary opening and closing of a drainage pneumatic line. The novelty of invention is the introduction of an additional winding into an electromagnet providing a reduced nominal force, which provides a fixed intermediate position of the relief valve with a reduced force of electromagnet.

EFFECT: reduction of weight and dimensions parameters of drainage lines and equipment as a whole with simultaneous expansion of its functional capabilities.

5 dwg