Patent ID: 8286700

Claim:
A damping and sealing device for enabling gas or liquid flow from a well to a production tube in the well, comprising: a body including: a plunger segment including a first longitudinal end of the body and arranged to receive a plunger in the well; a slide segment including a second longitudinal end of the body, opposite the first longitudinal end; and, a portion with a first end connected to the plunger segment and a second end disposed within the slide segment; a flow passage internal to the body and including a first opening at the first longitudinal end of the body and the second opening at a second longitudinal end of the body; a spring disposed about the portion and directly engaged with the plunger segment and the slide segment; and, an outer circumference formed by the plunger segment, the slide segment, the portion, and the spring, wherein: the body is arranged to be installed with the production tube; and, the body is arranged to sealingly engage the production tube.