Patent · US Expired

Controlled pressure drop valve

USRE31105E · kind E · reissue

14Cited by
24References
13Claims
0Family size

Inventor

Key dates

Filing dateAug 30, 1978
Grant dateDec 21, 1982
Priority date
Expiry dateAug 30, 1998

Classification

  • Technology area (CPC —)General

Abstract

A valve having stacked disks with alternate circular grooves in the faces thereof to provide a high pressure drop surface in fluid flow transverse to said grooves and ridges. The disks are circular in shape with a circular center opening to provide a central fluid opening when the disks are stacked with the center openings in register. Fluid enters the center opening and flows radially between the adjacent faces of a pair of disks to flow transversely across the continuous circular grooves and ridges.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.