Back to results
US 5,944,991 AGranted
Pipeline strainer
AssigneeDresser Industries, Inc.
InventorsThomas R. Shellenbarger, Charles J. Glover
Life of this patent
Estimating the term…
Abstract
A pipeline strainer having a body defining a rectilinear flow passage between an inlet and an outlet and a cylindrical cavity centrally located therebetween. A removable cover of cup-like configuration is secured in a sealed relation to the body subtending the body cavity in which a dual layered strainer assembly is supported in the flow passage in a sealed relation between an interior surface of the cover and an interior surface of the cavity.
Claims12
A strainer for the flowing fluid content of a pipeline comprising:
- a body defining a rectilinear flow passage extending between an inlet and an outlet and an internal cavity defined by an interior surface centrally therebetween;
- a removable cover secured in a sealed relation to said body with an interior surface thereof opposite said cavity;
- and
- a removable elliptically shaped strainer assembly diagonally positioned in said cavity in sealed relation between the interior surface of said cover and an interior surface of said cavity;
- said strainer assembly comprising an upstream elliptical screen and a foraminous downstream elliptical backup plate overlying said screen and a seal securing said backup plate in a superposed relation to said screen while in cooperation with the surrounding surface thereat effecting the sealed relation of said strainer assembly.
2 more elements
Dependencies are inferred from the claim text.