WO2005111755A3 - Microfluidic valve apparatuses with separable actuation and fluid-bearing modules - Google Patents

Microfluidic valve apparatuses with separable actuation and fluid-bearing modules Download PDF

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Publication number
WO2005111755A3
WO2005111755A3 PCT/US2005/016065 US2005016065W WO2005111755A3 WO 2005111755 A3 WO2005111755 A3 WO 2005111755A3 US 2005016065 W US2005016065 W US 2005016065W WO 2005111755 A3 WO2005111755 A3 WO 2005111755A3
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
actuation
microfluidic valve
bearing modules
valve apparatuses
Prior art date
Application number
PCT/US2005/016065
Other languages
French (fr)
Other versions
WO2005111755A2 (en
Inventor
Richard P Welle
Original Assignee
Aerospace Corp
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
Priority claimed from US10/843,515 external-priority patent/US7694694B2/en
Application filed by Aerospace Corp filed Critical Aerospace Corp
Publication of WO2005111755A2 publication Critical patent/WO2005111755A2/en
Publication of WO2005111755A3 publication Critical patent/WO2005111755A3/en

Links

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
    • 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
    • F16K99/0042—Electric operating means therefor
    • F16K99/0044—Electric operating means therefor using thermo-electric means
    • 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
    • F16K99/0042—Electric operating means therefor
    • F16K99/0046—Electric operating means therefor using magnets
    • 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
    • F16K99/0042—Electric operating means therefor
    • F16K99/0051—Electric operating means therefor using electrostatic means
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/06—Control of flow characterised by the use of electric means
    • G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
    • G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
    • G05D7/0694—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means or flow sources of very small size, e.g. microfluidics
    • 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
    • F16K2099/0073—Fabrication methods specifically adapted for microvalves
    • F16K2099/008—Multi-layer fabrications
    • 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
    • F16K2099/0082—Microvalves adapted for a particular use
    • F16K2099/0084—Chemistry or biology, e.g. "lab-on-a-chip" technology
    • 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
    • F16K2099/0082—Microvalves adapted for a particular use
    • F16K2099/0094—Micropumps

Abstract

A valve apparatus includes a fluid-bearing module and an actuation module. The fluid-bearing module includes a substrate and a channel formed in the substrate, the channel having microfluidic dimensions. The actuation module is detachably secured to the fluid-bearing module and includes a heating/cooling element adjacent to the channel. The heating/cooling element is controllable to generate or absorb sufficient energy to cause the a material in the valve apparatus to transition from a solid phase to a liquid phase, or from a solid phase to a liquid phase, or to expand or contract, thereby providing a phase-change valve.
PCT/US2005/016065 2004-05-10 2005-05-09 Microfluidic valve apparatuses with separable actuation and fluid-bearing modules WO2005111755A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US10/843,515 2004-05-10
US10/843,515 US7694694B2 (en) 2004-05-10 2004-05-10 Phase-change valve apparatuses
US10/877,602 US7757716B2 (en) 2004-05-10 2004-06-24 Microfluidic valve apparatuses with separable actuation and fluid-bearing modules
US10/877,602 2004-06-24

Publications (2)

Publication Number Publication Date
WO2005111755A2 WO2005111755A2 (en) 2005-11-24
WO2005111755A3 true WO2005111755A3 (en) 2007-11-08

Family

ID=35394785

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/016065 WO2005111755A2 (en) 2004-05-10 2005-05-09 Microfluidic valve apparatuses with separable actuation and fluid-bearing modules

Country Status (1)

Country Link
WO (1) WO2005111755A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109415198A (en) * 2016-05-06 2019-03-01 小利兰·斯坦福大学托管委员会 Elastomer concentrates valve

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6282907B1 (en) * 1999-12-09 2001-09-04 International Business Machines Corporation Thermoelectric cooling apparatus and method for maximizing energy transport
US6679279B1 (en) * 2002-07-10 2004-01-20 Motorola, Inc. Fluidic valve having a bi-phase valve element

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6282907B1 (en) * 1999-12-09 2001-09-04 International Business Machines Corporation Thermoelectric cooling apparatus and method for maximizing energy transport
US6679279B1 (en) * 2002-07-10 2004-01-20 Motorola, Inc. Fluidic valve having a bi-phase valve element

Also Published As

Publication number Publication date
WO2005111755A2 (en) 2005-11-24

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