| 摘要 |
<p>VALVE WITH VENTING PORT A valve (24) includes a valve housing (30). A bore (32) is in the valve housing (30). An inlet supply port (34) fluidly communicates a pressurized supply fluid to the bore (32). A piston (42) is movably positioned in the bore (32) based on the pressure of the supply fluid. A portion (54) of the piston (42) extends into a frusto-conically shaped portion (52) of the bore (32). A sealing member (44) is associated with the portion of the piston (42) sealingly engaging a surface of the frusto-conically shaped portion (52) of the bore (32) based on the pressure of the supply fluid. An inlet valve (60), movably positioned in the bore (32), is biased to sealingly engage a wall of the bore (32) based on the pressure of the supply fluid. A control pressure supply port (82) fluidly communicates a pressurized control fluid to the bore through the valve housing (30). A control pressure delivery port (86) fluidly communicates with the control pressure port (82), via the bore (32) based on the pressure of the supply fluid. A venting port (90) fluidly communicates with the control pressure delivery port (86), via the bore (32), based on the pressure of the supply fluid. jo tj to All / Nlqo 0 4(o 00 4vA 4v 0? 0 lb fo no qo</p> |
