DOOR AIR DISTRIBUTION DEVICE AND ELECTROPNEUMATIC VALVE FOR AIR DISTRIBUTION DEVICE Russian patent published in 2006 - IPC E05F15/06 F16K31/02 

FIELD: remote control devices, which operate pneumatic cylinders of transit vehicle doors to prevent unauthorized door opening and to provide priority of door closing with the use of electric power.

SUBSTANCE: device comprises four replaceable three-way pulse electropneumatic valves with inlet, outlet and drainage orifices arranged at base of each valve body. After connection of all electropneumatic valves the orifices create vent channel communicated with hole made in connection panel and communicating with atmosphere. The connection panel comprises two panels fastened one to another in air-tight manner and having pneumatic channels in contact surfaces.

EFFECT: increased reliability, reduced power inputs, possibility to retain functional and structural interchangeability.

6 cl, 6 dwg