THREE-WAY RELEASE VALVE Russian patent published in 2013 - IPC F16K17/10 

FIELD: engines and pumps.

SUBSTANCE: three-way release valve comprises body, base case, main valves, control valves, main line, release line, and control line. Main line communicates inlet chamber with that to feed fluid to actuator. Release line communicates chamber feeding fluid to actuator with that discharging fluid into atmosphere. Note here that first control valve is communicated via first valve control line with inlet chamber, via second branch pipe with main first control valve, and via third branch pipe with atmosphere. Note here that second control valve is communicated via first valve control line with inlet chamber, via second branch pipe with main second control valve, and via third branch pipe with atmosphere.

EFFECT: decreased lag and time of fluid release from braking cylinders.

5 cl, 5 dwg