ES2533901T3 - Válvulas microfluídicas con elemento flotante y procedimiento de fabricación - Google Patents

Válvulas microfluídicas con elemento flotante y procedimiento de fabricación Download PDF

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Publication number
ES2533901T3
ES2533901T3 ES07800089.0T ES07800089T ES2533901T3 ES 2533901 T3 ES2533901 T3 ES 2533901T3 ES 07800089 T ES07800089 T ES 07800089T ES 2533901 T3 ES2533901 T3 ES 2533901T3
Authority
ES
Spain
Prior art keywords
valve
valve seat
floating element
cover
manufacturing procedure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
ES07800089.0T
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English (en)
Inventor
Yu-Chong Tai
Po-Jui Chen
Damien C. Rodger
Mark S. Humayun
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
California Institute of Technology CalTech
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California Institute of Technology CalTech
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by California Institute of Technology CalTech filed Critical California Institute of Technology CalTech
Application granted granted Critical
Publication of ES2533901T3 publication Critical patent/ES2533901T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K99/00—Subject matter not provided for in other groups of this subclass
    • F16K99/0001—Microvalves
    • F16K99/0003—Constructional types of microvalves; Details of the cutting-off member
    • F16K99/0005—Lift valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K99/00—Subject matter not provided for in other groups of this subclass
    • F16K99/0001—Microvalves
    • F16K99/0003—Constructional types of microvalves; Details of the cutting-off member
    • F16K99/0015—Diaphragm or membrane valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K99/00—Subject matter not provided for in other groups of this subclass
    • F16K99/0001—Microvalves
    • F16K99/0034—Operating means specially adapted for microvalves
    • F16K99/0055—Operating means specially adapted for microvalves actuated by fluids
    • F16K99/0057—Operating means specially adapted for microvalves actuated by fluids the fluid being the circulating fluid itself, e.g. check valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/14—Check valves with flexible valve members
    • F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0318—Processes
    • Y10T137/0402—Cleaning, repairing, or assembling
    • Y10T137/0491—Valve or valve element assembling, disassembling, or replacing
    • Y10T137/0497—Fluid actuated or retarded
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7866—Plural seating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7904—Reciprocating valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7904—Reciprocating valves
    • Y10T137/7908—Weight biased
    • Y10T137/7909—Valve body is the weight
    • Y10T137/7913—Guided head
    • Y10T137/7914—Cage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49405—Valve or choke making
    • Y10T29/49409—Valve seat forming

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
  • Valve Housings (AREA)
  • Micromachines (AREA)

Abstract

Una microválvula de retención (1100) para controlar el flujo de un líquido, que comprende un asiento de la válvula (210) compuesto por un material sustrato; una tapa de la válvula (220) dispuesta sobre el asiento de la válvula (210), un espacio definido entre el asiento de la válvula y la tapa de la válvula; y un elemento flotante (230) que se mueve en el espacio entre el asiento de la válvula (210) y la tapa de la válvula (220) mediante la aplicación de presión sobre el elemento flotante por el líquido para controlar pasivamente el flujo del líquido a través del asiento de la válvula (210) y la tapa de la válvula (220); caracterizada porque el asiento de la válvula (210) comprende un asiento de la válvula multinivel que tiene una primera superficie (212) a un primer nivel y una segunda superficie (1102) a un segundo nivel por debajo del primer nivel, estando dispuesta la tapa de la válvula (220) en la primera superficie (212).

Description

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Claims (1)

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ES07800089.0T 2006-08-10 2007-08-10 Válvulas microfluídicas con elemento flotante y procedimiento de fabricación Active ES2533901T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US83688306P 2006-08-10 2006-08-10
US836883P 2006-08-10
PCT/US2007/075746 WO2008022048A2 (en) 2006-08-10 2007-08-10 Microfluidic valve having free-floating member and method of fabrication

Publications (1)

Publication Number Publication Date
ES2533901T3 true ES2533901T3 (es) 2015-04-15

Family

ID=39083009

Family Applications (1)

Application Number Title Priority Date Filing Date
ES07800089.0T Active ES2533901T3 (es) 2006-08-10 2007-08-10 Válvulas microfluídicas con elemento flotante y procedimiento de fabricación

Country Status (6)

Country Link
US (2) US7600533B2 (es)
EP (2) EP2884141A1 (es)
JP (1) JP4977758B2 (es)
ES (1) ES2533901T3 (es)
MX (1) MX2009001504A (es)
WO (1) WO2008022048A2 (es)

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Also Published As

Publication number Publication date
EP2049283A4 (en) 2013-02-20
WO2008022048A2 (en) 2008-02-21
US8141573B2 (en) 2012-03-27
JP2010500518A (ja) 2010-01-07
EP2884141A1 (en) 2015-06-17
US20080035875A1 (en) 2008-02-14
US20100025613A1 (en) 2010-02-04
JP4977758B2 (ja) 2012-07-18
EP2049283A2 (en) 2009-04-22
MX2009001504A (es) 2009-08-31
US7600533B2 (en) 2009-10-13
WO2008022048A3 (en) 2008-11-20
EP2049283B1 (en) 2015-02-18

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