Patent · US Active

Apparatus and method for providing uniform flow of gas

US8955547B2 · kind B2 · utility

11Cited by
13References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 14, 2013
Grant dateFeb 17, 2015
Priority date
Expiry dateAug 22, 2033

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/87249
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

Provided are gas distribution apparatus with a delivery channel having an inlet end, an outlet end and a plurality of apertures spaced along the length. The inlet end is connectable to an inlet gas source and the outlet end is connectible with a vacuum source. Also provided are gas distribution apparatus with spiral delivery channels, intertwined spiral delivery channels, splitting delivery channels, merging delivery channels and shaped delivery channels in which an inlet end and outlet end are configured for rapid exchange of gas within the delivery channels.

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