Patent · US Expired

Variable orifice valve

US6325096A · kind A · utility

20Cited by
7References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 25, 1999
Grant dateDec 4, 2001
Priority date
Expiry dateOct 25, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/7761
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A variable orifice valve for controlling fluid flow in a conduit, comprising a band or other movable members defining an opening for passing the fluid therethrough, the band mounted transverse to the direction of fluid flow in the conduit, so that the band opening is at least partially in the conduit. The band is movable relative to the conduit, to change the amount of the opening exposed to fluid flow.

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