CONTROL VALVE FOR PNEUMATIC ELASTIC ELEMENT AND VEHICLE SEAT CONTAINING CONTROL VALVE Russian patent published in 2017 - IPC B60N2/50 B60N2/16 F16K24/02 F16F9/02 

FIELD: transport.

SUBSTANCE: set of inventions relates to vehicle seat suspension. Vehicle seat comprises a mechanical oscillating system and pneumatic elastic element, and a system for weight-dependent static seat height settings. Proposed system comprises control valve (16) and the control element (18). Control valve (16) comprises air outlet with a pusher (26), air injection channel with a pusher (27) and an additional channel with a pusher (28). The control element (18) has a neutral position (47), wherein all channels of the control valve (16) are closed, position (48) of air exhaust in which it controls the first control means (19) and the air outlet is open, air injection position (49) in which it controls the second control means (20) and the air injection channel is open, and an additional position (50), in which it controls the second (20) and the third control means (21), and the air injection channel and additional channel are open.

EFFECT: invention provides increase in height adjustment operation in point of sensitivity, speed, and complexity of static height adjustment of the vehicle seat.

13 cl, 8 dwg