PNEUMATIC SUSPENSION Russian patent published in 2010 - IPC B60G11/27 F16F9/05 

FIELD: transport.

SUBSTANCE: invention relates to machine building. Suspension comprises rubber-cord shell 1 with cover 2 that make main work chamber 3, extra chamber 4 and baffle 5 arranged there between. Baffle 5 accommodates valve device 6 comprising cylinder and radial bypass orifices. Shut-off valve, a piston, is fitted inside said cylinder. Electromagnet winding is connected to control system 7. Cover with radial bypass orifices is arranged above said cylinder and has inner surface provided with concentric sealing element. Extending flange is arranged along bottom edges of the piston. Sealing element is arranged on lower edge of said flange. Piston comprises additionally a rod covered by corrugated metalised jacket. Said rod accommodates return spring and magnetically conducting core. Concentric annular gap is provided between cover inner surface and piston side surface. Valve device control system comprises object travel transducer, object speed signal transducer, power gate control unit, and power gate to connect electromagnet winding to power supply.

EFFECT: higher efficiency of damper.

3 dwg