WO1993023274B1 - Vanne de regulation proportionnelle avec zone de detection differentielle - Google Patents

Vanne de regulation proportionnelle avec zone de detection differentielle

Info

Publication number
WO1993023274B1
WO1993023274B1 PCT/US1993/004686 US9304686W WO9323274B1 WO 1993023274 B1 WO1993023274 B1 WO 1993023274B1 US 9304686 W US9304686 W US 9304686W WO 9323274 B1 WO9323274 B1 WO 9323274B1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
outlet valve
working pressure
poppet
inlet
Prior art date
Application number
PCT/US1993/004686
Other languages
English (en)
Other versions
WO1993023274A1 (fr
Filing date
Publication date
Priority claimed from US07/886,123 external-priority patent/US5306076A/en
Priority claimed from US07/962,969 external-priority patent/US5318354A/en
Application filed filed Critical
Publication of WO1993023274A1 publication Critical patent/WO1993023274A1/fr
Publication of WO1993023274B1 publication Critical patent/WO1993023274B1/fr

Links

Abstract

Une vanne à commande électrique servant à réguler une pression de régime provenant d'une charge de volume fermé comporte d'une part une vanne d'admission (24) pour réguler l'écoulement d'un fluide entre un orifice d'alimentation (16) et un orifice d'exploitation (18) et d'autre part une vanne de sortie (26) pour réguler l'écoulement d'un fluide entre l'orifice d'exploitation (18) et un orifice d'évacuation (20). Un actionneur à solénoïde (70) applique une force réglable à un élément de vanne mobile (44) pour fermer la vanne de sortie (26) et ouvrir la vanne d'admission (24). Une force antagoniste résultant de la pression de régime s'oppose à la force réglable. L'élément mobile (44) présente des régions opposées, exposées à la pression de régime pour adapter la force antagoniste à la pression de régime.
PCT/US1993/004686 1992-05-20 1993-05-18 Vanne de regulation proportionnelle avec zone de detection differentielle WO1993023274A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US07/886,123 US5306076A (en) 1992-05-20 1992-05-20 Proportional control valve with pressure compensation
US886,123 1992-05-20
US07/962,969 US5318354A (en) 1992-05-20 1992-10-16 Proportional control valve with differential sensing area
US962,969 1992-10-16

Publications (2)

Publication Number Publication Date
WO1993023274A1 WO1993023274A1 (fr) 1993-11-25
WO1993023274B1 true WO1993023274B1 (fr) 1994-01-20

Family

ID=27128785

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1993/004686 WO1993023274A1 (fr) 1992-05-20 1993-05-18 Vanne de regulation proportionnelle avec zone de detection differentielle

Country Status (2)

Country Link
US (1) US5318354A (fr)
WO (1) WO1993023274A1 (fr)

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US5874214A (en) 1995-04-25 1999-02-23 Irori Remotely programmable matrices with memories
US6329139B1 (en) 1995-04-25 2001-12-11 Discovery Partners International Automated sorting system for matrices with memory
US6017496A (en) 1995-06-07 2000-01-25 Irori Matrices with memories and uses thereof
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