Patent ID: 9631739
Date: 2017-04-25
CPC Classifications: F04B,F16K,Y10T

Claim:
1. An apparatus, comprising: a housing; a plunger configured to reciprocate along an axis within the housing; an internal fluid chamber disposed in the housing; a valve comprising a valve base and a deformable seal, the deformable seal comprises a first side, a second side, and a seal contact surface; and a seat having a first end, a second end, and an aperture therein, wherein the deformable seal contact surface is configured to move into and out of contact with the second end of the seat when the plunger reciprocates within the housing, based upon a fluid pressure in the internal flow chamber, wherein a diameter of the first side of the deformable seal is smaller than an outer diameter of the seat, and wherein the diameter of the first side of the deformable seal is greater than a diameter of the second side of the deformable seal, the first side of the deformable seal borders the seal contact surface, and the first side and the second side of the deformable seal are separate from the seal contact surface, and wherein an outside rim of the deformable seal is inwardly curved from the second side of the deformable seal to the first side of the deformable seal.