FR2422866A1 - Clutch or brake for e.g. aircraft - has member formed by piezoelectric bimetal strip bending under applied voltage and including flexible support - Google Patents

Clutch or brake for e.g. aircraft - has member formed by piezoelectric bimetal strip bending under applied voltage and including flexible support

Info

Publication number
FR2422866A1
FR2422866A1 FR7811072A FR7811072A FR2422866A1 FR 2422866 A1 FR2422866 A1 FR 2422866A1 FR 7811072 A FR7811072 A FR 7811072A FR 7811072 A FR7811072 A FR 7811072A FR 2422866 A1 FR2422866 A1 FR 2422866A1
Authority
FR
France
Prior art keywords
aircraft
clutch
flexible support
brake
bending under
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.)
Granted
Application number
FR7811072A
Other languages
French (fr)
Other versions
FR2422866B1 (en
Inventor
Guy Michelet
Georges Bret
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.)
Quantel SA
Original Assignee
Quantel SA
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 Quantel SA filed Critical Quantel SA
Priority to FR7811072A priority Critical patent/FR2422866A1/en
Publication of FR2422866A1 publication Critical patent/FR2422866A1/en
Application granted granted Critical
Publication of FR2422866B1 publication Critical patent/FR2422866B1/fr
Granted legal-status Critical Current

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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D67/00—Combinations of couplings and brakes; Combinations of clutches and brakes
    • F16D67/02—Clutch-brake combinations
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D28/00—Electrically-actuated clutches
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2121/00—Type of actuator operation force
    • F16D2121/18—Electric or magnetic
    • F16D2121/28—Electric or magnetic using electrostrictive or magnetostrictive elements, e.g. piezoelectric elements

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Braking Arrangements (AREA)
  • Regulating Braking Force (AREA)

Abstract

The clutch or brake mechanism is particularly for use where compactness and low weight are essential, e.g. in aircraft or rockets. One at least of the members working together (5A, 5b) is formed by a piezoelectric bimetal strip (7), bending under the effect of a voltage applied to it, a generator (16) being provided to supply this voltage. Each member equipped with such a strip can include a flexible support (6) acting as the electrode supplying the voltage to the strip, and which can form one of the blades of the strip.
FR7811072A 1978-04-14 1978-04-14 Clutch or brake for e.g. aircraft - has member formed by piezoelectric bimetal strip bending under applied voltage and including flexible support Granted FR2422866A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7811072A FR2422866A1 (en) 1978-04-14 1978-04-14 Clutch or brake for e.g. aircraft - has member formed by piezoelectric bimetal strip bending under applied voltage and including flexible support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7811072A FR2422866A1 (en) 1978-04-14 1978-04-14 Clutch or brake for e.g. aircraft - has member formed by piezoelectric bimetal strip bending under applied voltage and including flexible support

Publications (2)

Publication Number Publication Date
FR2422866A1 true FR2422866A1 (en) 1979-11-09
FR2422866B1 FR2422866B1 (en) 1983-03-25

Family

ID=9207159

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7811072A Granted FR2422866A1 (en) 1978-04-14 1978-04-14 Clutch or brake for e.g. aircraft - has member formed by piezoelectric bimetal strip bending under applied voltage and including flexible support

Country Status (1)

Country Link
FR (1) FR2422866A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0999108A1 (en) * 1998-11-06 2000-05-10 Siemens Aktiengesellschaft Braking system for rotationally and/or translationary movable parts
CN105587795A (en) * 2015-01-06 2016-05-18 长春工业大学 High-output sandwich type beam and slab composite-excitation torque-rise speed-regulation clutch device and control method thereof
CN105587796A (en) * 2015-01-06 2016-05-18 长春工业大学 Longitudinal vibration sandwich type beam and slab composite-excitation torque-rise speed-regulation clutch device and a control method thereof
CN105587795B (en) * 2015-01-06 2018-06-01 长春工业大学 Arrangement of clutch and its control method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1061215A (en) * 1964-09-18 1967-03-08 Elliott Brothers London Ltd Electromechanical torque amplifiers
USRE27116E (en) * 1966-01-05 1971-04-20 Piezoelectric multielement device
FR2119482A5 (en) * 1970-12-21 1972-08-04 Ki
FR2399555A1 (en) * 1977-08-05 1979-03-02 Tretiakoff Oleg Braille relief display panel for the blind - has rods projected through holes in panel by bimorphous piezoelectric reeds, to represent e.g. contours or calculator read=out

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1061215A (en) * 1964-09-18 1967-03-08 Elliott Brothers London Ltd Electromechanical torque amplifiers
USRE27116E (en) * 1966-01-05 1971-04-20 Piezoelectric multielement device
FR2119482A5 (en) * 1970-12-21 1972-08-04 Ki
FR2399555A1 (en) * 1977-08-05 1979-03-02 Tretiakoff Oleg Braille relief display panel for the blind - has rods projected through holes in panel by bimorphous piezoelectric reeds, to represent e.g. contours or calculator read=out

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0999108A1 (en) * 1998-11-06 2000-05-10 Siemens Aktiengesellschaft Braking system for rotationally and/or translationary movable parts
CN105587795A (en) * 2015-01-06 2016-05-18 长春工业大学 High-output sandwich type beam and slab composite-excitation torque-rise speed-regulation clutch device and control method thereof
CN105587796A (en) * 2015-01-06 2016-05-18 长春工业大学 Longitudinal vibration sandwich type beam and slab composite-excitation torque-rise speed-regulation clutch device and a control method thereof
CN105587796B (en) * 2015-01-06 2017-12-19 长春工业大学 Longitudinal-shaking sandwich formula beam slab complex excitation, which increases, turns round speed-adjustable clutch and its control method
CN105587795B (en) * 2015-01-06 2018-06-01 长春工业大学 Arrangement of clutch and its control method

Also Published As

Publication number Publication date
FR2422866B1 (en) 1983-03-25

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