Patent · US Active

Low particle protected flapper valve

US10969029B2 · kind B2 · utility

0Cited by
12References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 1, 2017
Grant dateApr 6, 2021
Priority date
Expiry dateDec 1, 2037

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/88062
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

Embodiments of the disclosure generally relate to a flapper valve. The flapper valve may be used with processing chambers, such as semiconductor substrate processing chambers. In one embodiment, a flapper valve includes a housing having a first opening at a first end thereof and a second opening at a second end thereof, a first flapper pivotably disposed in the housing, and a second flapper pivotably disposed in the housing. The first and second flappers are movable to selectively open and close at least one of the first opening and the second opening.

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