Published June 13, 1978 | Version v1
Patent Open

Variable orifice using an iris shutter

Description

A variable orifice forming mechanism is described that utilizes shutter arrangement adapted to control gas flow, conductance in vacuum systems, as a heat shield for furnace windows, as a beam shutter in sputtering operations, and in any other application requiring periodic or continuously-variable control of material, gas, or fluid flow

Availability note (English)

MF available from INIS under the Report Number.

Files

10470330.pdf

Files (293.5 kB)

Name Size Download all
md5:8686f125d4e237b23d4d3897d989cbe8
293.5 kB Preview Download

Additional details

Additional titles

Augmented title (English)
PAtent

Publishing Information

Imprint Pagination
4 p.
IPC:
Int. Cl.F16K31/54; F16K3/C6.
IPC
Int. Cl.F16K31/54; F16K3/C6.
Patent number
US patent document 4,094,492/A/

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
10470330
Subject category
S42: ENGINEERING;
Descriptors DEI
CONTROL SYSTEMS; FLOWMETERS; FLUID FLOW; FURNACES; GAS FLOW; ORIFICES; SPECIFICATIONS; SPUTTERING; VACUUM SYSTEMS; VARIATIONS
Descriptors DEC
MEASURING INSTRUMENTS; OPENINGS

Optional Information

Notes
PAT-APPL-760,305.