Browse Prior Art Database

Concentric Variable Conduction Valve

IP.com Disclosure Number: IPCOM000069929D
Original Publication Date: 1978-Jul-01
Included in the Prior Art Database: 2005-Feb-21

Publishing Venue

IBM

Related People

Authors:
Coghlan, RK [+details]

Abstract

A valve is described which allows for close tolerance pressure control over a broad range of gas flow in vacuum systems. This is achieved by changing the diameter of the opening from 0 to 100% with a high degree of resolution.