Published December 17, 1975 | Version v1
Patent Metadata-only

A valve of variable flow rate, particularly intended for gas flow

Creators

Description

The invention relates to a valve of variable flow rate using the expansion and contraction of a ferroelectric ceramic material or a piezoelectric matter subject to suitable magnetic fields, to induce the opening or closing of an arrangement fitted with a valve seat or to control the gas flow in a precise reproducible way

Availability note (English)

Available from Institut National de la Propriete Industrielle, Paris (France).

Abstract (French)

L'invention concerne une vanne a debit de fuite variable utilisant la dilatation et la contraction d'une matiere ceramique ferro-electrique ou d'une matiere piezo-electrique soumise de facon appropriee a des champs electriques pour provoquer l'ouverture et la fermeture d'un arrangement a siege de soupape et pour commander l'ecoulement du gaz d'une facon precise et reproductible

Additional details

Additional titles

Original title (French)
Vanne a debit de fuite variable, notamment de gaz

Publishing Information

Imprint Pagination
8 p.
IPC:
Int. Cl. F16k3/00; F16k31/02.
IPC
Int. Cl. F16k3/00; F16k31/02.
Patent number
FR patent document 2295326/A/

INIS

Country of Publication
France
Country of Input or Organization
France
INIS RN
8340807
Subject category
S42: ENGINEERING; S43: PARTICLE ACCELERATORS;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
GASES; SPECIFICATIONS; VALVES
Descriptors DEC
CONTROL EQUIPMENT; FLOW REGULATORS; FLUIDS

Optional Information

Notes
Priority claim: 19 Dec 1974, Germany, F.R.