Patent ID: 8770543

Claim:
A poppet valve assembly, comprising: a body including: a first axial end portion having a first circumferential surface, a first end surface, and a tapered surface configured for sealing engagement with a main valve seat; a second axial end portion opposite the first axial end portion; a metering slot defined by the second axial end portion; a first internal passage defined by the body, wherein the first internal passage includes an opening in the first end surface, is in fluid communication with the metering slot, and has a first check valve seat; and a second internal passage defined by the body, wherein the second internal passage includes an opening in the first circumferential surface, is in fluid communication with the metering slot, and has a second check valve seat; a first check valve disposed in the first internal passage and adapted for sealing engagement with the first check valve seat; and a second check valve disposed in the second internal passage and adapted for sealing engagement with the second check valve seat; wherein the second axial end portion has a second circumferential surface and a second end surface, wherein the metering slot is in fluid communication with the second circumferential surface, and wherein the second end surface defines a first orifice in fluid communication with the metering slot.