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DE09169354T1 - Piezoelektrische Flüssigkeitsträgheitsschwingungsbeseitigungs-Vorrichtung - Google Patents

Piezoelektrische Flüssigkeitsträgheitsschwingungsbeseitigungs-Vorrichtung Download PDF

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Publication number
DE09169354T1
DE09169354T1 DE09169354T DE09169354T DE09169354T1 DE 09169354 T1 DE09169354 T1 DE 09169354T1 DE 09169354 T DE09169354 T DE 09169354T DE 09169354 T DE09169354 T DE 09169354T DE 09169354 T1 DE09169354 T1 DE 09169354T1
Authority
DE
Germany
Prior art keywords
vibration isolator
isolator according
fluid chamber
housing
piston
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.)
Pending
Application number
DE09169354T
Other languages
English (en)
Inventor
Michael R. Colleyville SMITH
Frank B. Colleyville Stamps
Taeoh Keller Lee
David E. Jr. Arlington Heverly
Robert J. Fort Worth Pascal
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.)
Bell Helicopter Textron Inc
Original Assignee
Bell Helicopter Textron Inc
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 Bell Helicopter Textron Inc filed Critical Bell Helicopter Textron Inc
Publication of DE09169354T1 publication Critical patent/DE09169354T1/de
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/001—Vibration damping devices
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
    • F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
    • F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
    • F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
    • F16F13/24—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the central part of the unit being supported by one element and both extremities of the unit being supported by a single other element, i.e. double acting mounting
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
    • F16F13/26—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/005—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion using electro- or magnetostrictive actuation 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
    • F16F15/027—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means comprising control arrangements
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
    • F16F7/1005—Vibration-dampers; Shock-absorbers using inertia effect characterised by active control of the mass
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
    • F16F7/1034—Vibration-dampers; Shock-absorbers using inertia effect of movement of a liquid
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
    • F16F7/104—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted
    • F16F7/108—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted on plastics springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/001—Vibration damping devices
    • B64C2027/005—Vibration damping devices using suspended masses

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Vibration Prevention Devices (AREA)
  • Combined Devices Of Dampers And Springs (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

Schwingungsisolator, umfassend:
ein Gehäuse, das zur Verbindung mit einem schwingenden Körper ausgelegt ist;
einen ersten Kolben, der nachgiebig innerhalb des Gehäuses angeordnet ist, mit einer Dichtung;
ein erstes piezokeramisches Betätigungselement und ein zweites piezokeramisches Betätigungselement, die innerhalb des Gehäuses axial ausgerichtet sind;
eine erste Fluidkammer und eine zweite Fluidkammer, die jeweils durch das Gehäuse, den ersten Kolben und die Dichtung definiert sind;
einen Abstimmdurchgang zur Fluidverbindung zwischen der ersten Fluidkammer und der zweiten Fluidkammer; und
ein Abstimmfluid, das innerhalb der ersten Fluidkammer und der zweiten Fluidkammer und des Abstimmdurchgangs angeordnet ist.

Claims (12)

  1. Schwingungsisolator, umfassend: ein Gehäuse, das zur Verbindung mit einem schwingenden Körper ausgelegt ist; einen ersten Kolben, der nachgiebig innerhalb des Gehäuses angeordnet ist, mit einer Dichtung; ein erstes piezokeramisches Betätigungselement und ein zweites piezokeramisches Betätigungselement, die innerhalb des Gehäuses axial ausgerichtet sind; eine erste Fluidkammer und eine zweite Fluidkammer, die jeweils durch das Gehäuse, den ersten Kolben und die Dichtung definiert sind; einen Abstimmdurchgang zur Fluidverbindung zwischen der ersten Fluidkammer und der zweiten Fluidkammer; und ein Abstimmfluid, das innerhalb der ersten Fluidkammer und der zweiten Fluidkammer und des Abstimmdurchgangs angeordnet ist.
  2. Schwingungsisolator nach Anspruch 1, wobei der Abstimmdurchgang spulenförmig ist.
  3. Schwingungsisolator nach Anspruch 2, wobei der spulenförmige Abstimmdurchgang außerhalb des Gehäuses ist.
  4. Schwingungsisolator nach Anspruch 2, wobei der spulenförmige Abstimmdurchgang innerhalb der Wände des Gehäuses angeordnet ist.
  5. Schwingungsisolator nach Anspruch 1, wobei die ersten und zweiten piezokeramischen Betätigungselemente phasenverschoben voneinander wirken.
  6. Schwingungsisolator nach Anspruch 1, wobei das Gehäuse einen Befestigungsabschnitt umfasst, um die Verbindung mit einer schwingenden Struktur zu ermöglichen.
  7. Schwingungsisolator nach Anspruch 1, wobei harmonische Schwingungen bei zwei verschiedenen Frequenzen isoliert werden.
  8. Schwingungsisolator nach Anspruch 1, wobei der Schwingungsisolator so konfiguriert ist, dass er Schwingung durch selektives Betätigen der ersten und zweiten piezokeramischen Betätigungselemente aktiv dämpft.
  9. Schwingungsisolator nach Anspruch 3, ferner umfassend einen zweiten spulenförmigen Abstimmdurchgang.
  10. Schwingungsisolator nach Anspruch 3, wobei es sich bei dem Kolben um einen Hub verstärkenden Kolben handelt.
  11. Schwingungsisolator nach Anspruch 3, ferner umfassend: einen zweiten Kolben, um die Verbindung des Schwingungsisolators mit einer schwingenden Struktur zu ermöglichen.
  12. Schwingungsisolator nach Anspruch 3, wobei die ersten und zweiten piezokeramischen Betätigungselemente phasenverschoben voneinander wirken.
DE09169354T 2002-09-24 2003-09-24 Piezoelektrische Flüssigkeitsträgheitsschwingungsbeseitigungs-Vorrichtung Pending DE09169354T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US41351502P 2002-09-24 2002-09-24
US413515P 2002-09-24
US44190703P 2003-01-22 2003-01-22
US441907P 2003-01-22

Publications (1)

Publication Number Publication Date
DE09169354T1 true DE09169354T1 (de) 2010-12-09

Family

ID=34425726

Family Applications (7)

Application Number Title Priority Date Filing Date
DE03816302T Pending DE03816302T1 (de) 2002-09-24 2003-09-24 PIEZOELEKTRISCHE FLÜSSIGKEITSTRûGHEITSSCHWINGUNGSBESEITIGUNGS-VORRICHTUNG
DE09169354T Pending DE09169354T1 (de) 2002-09-24 2003-09-24 Piezoelektrische Flüssigkeitsträgheitsschwingungsbeseitigungs-Vorrichtung
DE09169360T Pending DE09169360T1 (de) 2002-09-24 2003-09-24 Ein Verfahren zur Regelung der akustischen Strahlung eines Schiffs
DE09169365T Pending DE09169365T1 (de) 2002-09-24 2003-09-24 Piezoelektrische Flüssigkeitsträgheitsschwingungsbeseitigungs-Vorrichtung
DE60329196T Expired - Lifetime DE60329196D1 (de) 2002-09-24 2003-09-24 Piezoelektrische Flüssigkeitstrugheitsschwingungsbeseitigungs-Vorrichtung
DE09169361T Pending DE09169361T1 (de) 2002-09-24 2003-09-24 Piezoelektrische Flüssigkeitsträgheitsschwingungsbeseitigungs-Vorrichtung
DE09169320T Pending DE09169320T1 (de) 2002-09-24 2003-09-24 Piezoelektrische Flüssigkeitsträgheitsschwingungsbeseitigungs-Vorrichtung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE03816302T Pending DE03816302T1 (de) 2002-09-24 2003-09-24 PIEZOELEKTRISCHE FLÜSSIGKEITSTRûGHEITSSCHWINGUNGSBESEITIGUNGS-VORRICHTUNG

Family Applications After (5)

Application Number Title Priority Date Filing Date
DE09169360T Pending DE09169360T1 (de) 2002-09-24 2003-09-24 Ein Verfahren zur Regelung der akustischen Strahlung eines Schiffs
DE09169365T Pending DE09169365T1 (de) 2002-09-24 2003-09-24 Piezoelektrische Flüssigkeitsträgheitsschwingungsbeseitigungs-Vorrichtung
DE60329196T Expired - Lifetime DE60329196D1 (de) 2002-09-24 2003-09-24 Piezoelektrische Flüssigkeitstrugheitsschwingungsbeseitigungs-Vorrichtung
DE09169361T Pending DE09169361T1 (de) 2002-09-24 2003-09-24 Piezoelektrische Flüssigkeitsträgheitsschwingungsbeseitigungs-Vorrichtung
DE09169320T Pending DE09169320T1 (de) 2002-09-24 2003-09-24 Piezoelektrische Flüssigkeitsträgheitsschwingungsbeseitigungs-Vorrichtung

Country Status (8)

Country Link
US (2) US8499907B2 (de)
EP (6) EP2182238B1 (de)
CN (2) CN101871499B (de)
AU (1) AU2003304209A1 (de)
BR (1) BR0314669A (de)
CA (1) CA2497417C (de)
DE (7) DE03816302T1 (de)
WO (1) WO2004111489A2 (de)

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AU2003304209A1 (en) 2005-01-04
EP2182239B1 (de) 2014-08-20
EP2182242A2 (de) 2010-05-05
EP2182238A3 (de) 2011-01-26
EP2182241A2 (de) 2010-05-05
DE09169365T1 (de) 2010-11-25
EP1543253A4 (de) 2006-08-30
WO2004111489A3 (en) 2005-03-10
EP2182239A2 (de) 2010-05-05
DE09169360T1 (de) 2010-12-09
EP1543253A2 (de) 2005-06-22
CA2497417C (en) 2011-11-15
US20060151272A1 (en) 2006-07-13
CN101871499A (zh) 2010-10-27
EP2182241A3 (de) 2011-01-19
US20130306420A1 (en) 2013-11-21
US9771150B2 (en) 2017-09-26
DE03816302T1 (de) 2005-12-29
EP2182239A3 (de) 2011-01-26
EP2182238B1 (de) 2015-04-29
US8499907B2 (en) 2013-08-06
EP1543253B1 (de) 2009-09-09
EP2182242B1 (de) 2014-11-19
CA2497417A1 (en) 2004-12-23
WO2004111489A2 (en) 2004-12-23
DE09169361T1 (de) 2010-11-25
EP2182242A3 (de) 2011-01-26
BR0314669A (pt) 2005-08-02
DE09169320T1 (de) 2010-11-25
EP2182240A2 (de) 2010-05-05
CN101871499B (zh) 2013-10-02
CN102678806B (zh) 2015-09-23
CN102678806A (zh) 2012-09-19
EP2182238A2 (de) 2010-05-05
EP2182240B1 (de) 2014-08-06
EP2182240A3 (de) 2011-01-26

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