Patent ID: 9309873
Filing Date: 2016-04-12
CPC Classification: F04B,F16J

Claim Text:
1. A sealing system for a high pressure pump, the pump having a vessel defining a vessel bore and having an end portion, the vessel bore having a first engagement face and defining a central longitudinal axis, the pump further including a plunger cooperative with the vessel to increase the pressure of a fluid within the bore, the sealing system comprising: a seal member at least partially received within the bore and defining a second engagement face; and a retaining member in operative contact with the seal member to mate the first engagement face with the second engagement face to inhibit fluid leakage from the bore, wherein the first engagement face includes a first contacting surface having a non-linear cross-section that is convex or concave, and wherein the second engagement face includes a second contacting surface having a non-linear cross-section that is the other of convex or concave in contact with the first contacting surface, wherein the non-linear cross-section of the first contacting surface is concave and the non-linear cross-section of the second contacting surface is convex, and wherein the non-linear cross-section of the second contacting surface includes a first radius and a second radius different from the first radius, and wherein the radius of the non-linear cross-section of the second contacting surface between the first radius and the second radius is continuously variable.