FR3038014B1 - CONTROLLER WITH SHAPE MEMORY MATERIAL - Google Patents

CONTROLLER WITH SHAPE MEMORY MATERIAL Download PDF

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Publication number
FR3038014B1
FR3038014B1 FR1556089A FR1556089A FR3038014B1 FR 3038014 B1 FR3038014 B1 FR 3038014B1 FR 1556089 A FR1556089 A FR 1556089A FR 1556089 A FR1556089 A FR 1556089A FR 3038014 B1 FR3038014 B1 FR 3038014B1
Authority
FR
France
Prior art keywords
shape memory
memory material
wire
primary
controller
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
FR1556089A
Other languages
French (fr)
Other versions
FR3038014A1 (en
Inventor
Ludovic FERRE
Jean-Noel REY
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.)
Faurecia Sieges dAutomobile SAS
Original Assignee
Faurecia Sieges dAutomobile SAS
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 Faurecia Sieges dAutomobile SAS filed Critical Faurecia Sieges dAutomobile SAS
Priority to FR1556089A priority Critical patent/FR3038014B1/en
Publication of FR3038014A1 publication Critical patent/FR3038014A1/en
Application granted granted Critical
Publication of FR3038014B1 publication Critical patent/FR3038014B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
    • F03G7/06—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like
    • F03G7/065—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like using a shape memory element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/08—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable characterised by the locking device
    • B60N2/0881—Activation of the latches by the control mechanism
    • B60N2/0887—Activation of the latches by the control mechanism with synchronised movements

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Seats For Vehicles (AREA)
  • Thermally Actuated Switches (AREA)

Abstract

Dispositif d'actionnement à matériau à mémoire de forme comprenant un fil primaire (31 qui se raccourcit lorsque sa température excède un premier seuil (T_up) et revient à sa longueur initiale lorsque sa température passe en dessous d'un second seuil (T_down), le fil primaire étant attaché à une première extrémité (31a) à un organe à commander (71), un ancrage escamotable (5) auquel est attachée une deuxième extrémité (31b) du fil, l'ancrage escamotable présentant une position opérationnelle (Por) maintenue par une cale déplaçable (54) et une position effacée (Pef), ces positions étant telles que, en position opérationnelle le fil primaire peut tracter l'organe à commander et en position effacée obtenue suite à un déplacement de la cale déplaçable, la tension dans le fil primaire est immédiatement relâchée.Actuating device with shape memory material comprising a primary wire (31 which shortens when its temperature exceeds a first threshold (T_up) and returns to its initial length when its temperature drops below a second threshold (T_down), the primary wire being attached at a first end (31a) to a member to be controlled (71), a retractable anchor (5) to which is attached a second end (31b) of the wire, the retractable anchor having an operational position (Por) maintained by a movable block (54) and an erased position (Pef), these positions being such that, in the operational position the primary wire can tow the member to be controlled and in the erased position obtained following a displacement of the displaceable wedge, the tension in the primary thread is immediately released.

FR1556089A 2015-06-29 2015-06-29 CONTROLLER WITH SHAPE MEMORY MATERIAL Active FR3038014B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1556089A FR3038014B1 (en) 2015-06-29 2015-06-29 CONTROLLER WITH SHAPE MEMORY MATERIAL

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1556089A FR3038014B1 (en) 2015-06-29 2015-06-29 CONTROLLER WITH SHAPE MEMORY MATERIAL
FR1556089 2015-06-29

Publications (2)

Publication Number Publication Date
FR3038014A1 FR3038014A1 (en) 2016-12-30
FR3038014B1 true FR3038014B1 (en) 2020-01-10

Family

ID=54291440

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1556089A Active FR3038014B1 (en) 2015-06-29 2015-06-29 CONTROLLER WITH SHAPE MEMORY MATERIAL

Country Status (1)

Country Link
FR (1) FR3038014B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2796897B1 (en) * 1999-07-29 2001-10-26 Faure Bertrand Equipements Sa UNLOCKABLE MOTOR VEHICLE SEAT WITH A FOLDING BACK, AND VEHICLE COMPRISING SUCH A SEAT
US7581706B2 (en) * 2006-06-26 2009-09-01 Lear Corporation Shape memory alloy (SMA) system
FR3023754B1 (en) * 2014-07-16 2016-08-12 Faurecia Sieges D'automobile MEMORIZATION DEVICE, SLIDER COMPRISING SUCH A MEMORIZATION DEVICE AND VEHICLE SEAT COMPRISING SUCH A SLIDER

Also Published As

Publication number Publication date
FR3038014A1 (en) 2016-12-30

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