Controlled pressure drop valve
USRE31105E · kind E · reissue
Inventor
Key dates
| Filing date | Aug 30, 1978 |
| Grant date | Dec 21, 1982 |
| Priority date | — |
| Expiry date | Aug 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.