Patent · US Expired

Rotary barrel gate valve

US6983925B2 · kind B2 · utility

3Cited by
25References
48Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 27, 2003
Grant dateJan 10, 2006
Priority date
Expiry dateMar 27, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/86751
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A rotary barrel gate valve includes a body and at least one passage through the body defining an inlet and an outlet. There is a first actuator for rotating the body, a second actuator for translating the body, and a sealing portion on the body which seals the body with respect to an opening into a chamber adjacent the body.

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