Patent ID: 11957089
Assignee: AUSCO, INC.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC A  F | IPC A  F

Claim 0:
1. A valve, comprising:
an inlet and an outlet;
a body including a first seat and a second seat, wherein the first seat and second seat are spaced apart from each other at a predetermined distance without a seal between the first and second seats;
a cavity in the body;
a piston positioned in the cavity, wherein the piston simultaneously contacts and rests against the first seat and the second seat when moving into a closed position, wherein the piston includes a flat front face that contacts the first seat when in the closed position, and a nose extension that extends outward and away from a center portion of the front face and toward the inlet, wherein the nose extension includes a flat front surface and an opening through a center of the flat front surface thereof; and
a pilot ball adjacent the piston, wherein the pilot ball is disposed in a pilot seat, and a rear surface of the piston butts against the pilot seat at a maximum open position of the piston,
wherein each of the first seat and the second seat is a seat that is a mechanical stop that prevents the piston from extending further than the closed position.