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Modular sensor-actuator
The present invention relates to a sensor-actuator (10) comprising at least two modules (12, 14) including: - a core (18) designed to expand and generate forces under the effect of an environmental stimulus such as heat or humidity, - a fibrous network (20) surrounding the core (18) so as to constrain the expansion of the core (18) to favor deformation along at least one axis of extension, bending, or torsion, the sensor-actuator (10) being such that, among the two modules (12, 14), - the first end (30) of the core (18) of the first module (12) includes a female assembly portion (34), and - the second end (32) of the core (18) of the second module (14) includes a male assembly portion (36) adapted to cooperate with the female assembly portion (34) of the first module (12) to assemble the first module (12) to the second module (14). Figure for the abridged version: 2
Owner:UNIVERSITY OF SOUTHERN BRITTANY
Lighting device, ornament and motor vehicle
Owner:AUDI AG
Sensor arrangement with adjustable sensor unit, vehicle roof with such a sensor arrangement and motor vehicle with such a sensor arrangement
Sensor arrangement for a motor vehicle (10) for a vehicle roof, comprising a vehicle outer skin forming a vehicle outer side with a sensor opening (30), at least one sensor unit (26, 26"), which comprises a support structure and an environment sensor (28) with a sensor viewing area (32), and a cleaning device with a nozzle arrangement (36, 36', 36"), wherein the sensor unit (26, 26") is adjustable relative to the vehicle outer skin between a rest position and an operating position, in which the environment sensor (28) is extended over the sensor opening (30) and the sensor viewing area (32) is arranged on the vehicle outer side, and the nozzle arrangement (36, 36', 36") is adjustable between a retracted zero position of the nozzle arrangement (36, 36', 36") and an extended cleaning position of the nozzle arrangement (36, 36', 36"), in which a cleaning fluid is applied to the Sensor viewing area (32) of the environment sensor (28) can be applied,further comprising a coupling device (52) which converts an adjustment movement of the sensor unit (26, 26") relative to the vehicle outer skin into an adjustment movement of the nozzle arrangement (36, 36', 36"), wherein the coupling device (52) comprises a cable pull (54) which is connected to the cleaning device and which, when the sensor unit (26, 26") is adjusted to the rest position, displaces the nozzle arrangement (36, 36', 36") to its zero position.
Owner:WEBASTO AG
Actuator module for releasing a release element
Actuator module (200) for releasing a release body (300), comprising: a module base (2); at least one retaining element (4) rotatable relative to the module base (2) between a ready position and a working position in a plane (3), designed as a lever, with a distal end section (14) and an adjacent proximal end section (16), which in the ready position prevents release of the release body (300) and in the working position allows release of the release body (300) from the plane (3), wherein the at least one retaining element (4) in the ready position is under the effect of a first spring preload pressing the at least one retaining element (4) towards the working position; a locking body (6) movable between a locking position and a release position relative to the module base (2), which in its locking position blocks movement of the at least one retaining element (4) from the ready position to the working position and in its release position permits movement of the at least one retaining element (4) from the ready position to the working position; and an actuator device (8) for moving the locking body (6) from the locking position to the release position, wherein the actuator device (8) comprises at least one actuator component (10) made of a shape memory material which is fixed with a first fastening section (24) relative to the module base (2) and is fixed with a second fastening section (26) relative to the locking body (6).
Owner:DCUBED GMBH +1
Modular sensor-actuator
The present invention relates to a sensor-actuator (10) comprising at least two modules (12, 14) including: - a core (18) designed to expand and generate forces under the effect of an environmental stimulus such as heat or humidity, - a fibrous network (20) surrounding the core (18) so as to constrain the expansion of the core (18) to favor deformation along at least one axis of extension, bending, or torsion, the sensor-actuator (10) being such that, among the two modules (12, 14): - the first end (30) of the core (18) of the first module (12) includes a female assembly portion (34), and - the second end (32) of the core (18) of the second module (14) includes a male assembly portion (36) adapted to cooperate with the female assembly portion (34) of the first module (12) to assemble the first module (12) to the second module (14). Figure for the abridged version: 2
Owner:UNIVERSITY OF SOUTHERN BRITTANY
Device for transmitting a force, torque, lifting movement and / or angular movement, method for operating a device for transmitting a force, torque, lifting movement and / or angular movement and system
Shown and described is a device (1) for transmitting a force, torque, stroke, and / or angular movement, preferably for use in a microlithography system. In order to enable flexible and reversible use of the device (1), the device comprises: at least one medium chamber (2) for receiving a medium, at least one reversibly, preferably elastically, expandable expansion element (3, 3'), and at least one influencing element (4) for influencing a medium that can be received in the medium chamber (2). Preferably, as a result of influencing a medium that can be received in the medium chamber (2) by means of the influencing element (4), a force, torque, stroke, and / or angular movement can be transmitted by the expansion element (3, 3') by means of a reversible, preferably elastic, expansion of the expansion element (3, 3'), preferably to one or more primary elements (14, 14').Also shown and described are a method for operating a device for transmitting a force, torque, stroke and / or angular movement and a system.
Owner:CARL ZEISS SMT GMBH
Lighting arrangement for illuminating a lighting surface in an interior of a vehicle and vehicle having the lighting arrangement
A lighting arrangement for illuminating an illuminated surface (13) in the interior of a vehicle is specified. The lighting arrangement comprises a mirror arrangement (1) with a mirror group having a deformable mirror (2), wherein the deformable mirror (2) is designed to detect light generated by one or more light sources (10) and to redirect the detected light to illuminate the illuminated surface (13). The lighting arrangement further comprises a deformation mechanism with at least one electrically deformable element (8) for the controlled deformation of the deformable mirror (8). Furthermore, a vehicle with an interior is proposed, wherein at least one illuminated surface and at least one lighting arrangement for illuminating the at least one illuminated surface are provided in the interior.
Owner:STELLANTIS AUTO SAS
A large-stroke, high-speed and high-precision XY parallel decoupled micro-positioning platform
A large-stroke, high-speed and high-precision XY parallel decoupling micro-positioning platform, comprising a central moving platform, a fixing mechanism, a bridge-type micro-displacement amplification mechanism, a flexible moving pair and a piezoelectric ceramic; the fixing mechanism is arranged between adjacent bridge-type micro-displacement amplification mechanisms, and is symmetrical about the positive and negative X axes and the Y axis of the central moving platform; the bridge-type micro-displacement amplification mechanisms are symmetrically arranged on the positive and negative X axes and the Y axis of the central moving platform, and include two first longitudinal beams, two second longitudinal beams and a plurality of cross beams; the two first longitudinal beams are arranged in parallel at intervals; the two second longitudinal beams are arranged between the two first longitudinal beams and are connected to the first longitudinal beams through cross beams; the cross beams are connected to each longitudinal beam through flexible moving pairs; the piezoelectric ceramic is arranged between the input ends of the two first longitudinal beams; the second longitudinal beam close to the central moving platform is provided with an output end; the output end is connected to the central moving platform and the fixing mechanism through a flexible moving pair. The decoupling micro-positioning platform provided by the present application can accurately position the defective position during the repair process of the Micro LED chip.
Owner:GUANGDONG UNIV OF TECH
Instrument hairspring convenient to install
The utility model relates to the technical field of instrument hairsprings, and discloses an instrument hairspring convenient to install, which comprises a chassis, and a fixing assembly and a protection assembly are arranged above the chassis. According to the instrument hairspring convenient to install, through the design of the elastic plates and the L-shaped swing rods, the installation, protection and disassembly processes of the hairspring body are optimized, during installation, the elastic plates are in threaded connection with the base body through the extrusion blocks, uniform pressure is applied to the inner ring of the hairspring body, the installation steps are simplified, and the installation efficiency is improved. Meanwhile, deformation or damage caused by uneven stress is avoided, the stability and reliability of the hairspring body are ensured, through cooperation of the L-shaped swing rod and the contact rod, deformation or collapse of the hairspring body caused by gravity, inertia or vibration in the swing process is prevented, the service life is prolonged, and in the disassembly process, after an extrusion block is separated from a base body, the extrusion block is not prone to deformation or collapse. And the elastic plate automatically resets, the L-shaped swing rod is pulled by the connecting wire to be away from the hairspring body, rapid disassembly is achieved, and maintenance and replacement are convenient.
Owner:KUNSHAN YONGHONGDA PRECISION INSTR CO LTD
UNLOCK RELEASE UNIT, METHOD FOR CONTROLLED RELEASE OF A MECHANICAL UNLOCKING ELEMENT AND FLYBODY POSITIONING SYSTEM
ActiveDE102025000492B3Without power ampliicationAircraft controlControlled releaseControl engineering
The present invention relates to a release unit (1) for the controlled release of a mechanical lock, comprising: an actuator housing (10); at least one release element (2) extending through the actuator housing (10) and arranged to be axially displaceable within the actuator housing (10); at least one release unit (7) arranged in the actuator housing (10); at least one tolerance compensation spring (4) supported in the actuator housing (10) on one side and on the release element (2) on the other; at least one actuator spring (5) supported in the actuator housing (10) on one side and in the release unit (7) on the other; and a contact surface (9) provided in the actuator housing (10), wherein the at least one release unit (7) comprises a release lever (30); each release lever (30) is operatively connected to a first and a second transmission lever (34, 35);at least one structural component (23) fixed in the actuator housing (10), providing an element holder (21) having a release element (22) and a guide track for the release lever (30), the first translation lever (35) and the second translation lever (34); and comprising at least one stop element (8) connected to the at least one locking element (2), as well as a method for controlled release of a mechanical locking element by means of a release unit (1) and a missile positioning system comprising a release mechanism with at least one such release unit (1).
Owner:MBDA DEUTSCHIAND GMBH
Device for rotating a specimen about two orthogonal axes
ActiveUS12379335B2Material analysis using wave/particle radiationSensitive elementsCrankSpecimen receptacle
Described herein is a device for rotating a specimen about two orthogonal axes independently, the device comprising at least the following components: a base, a socket which is arranged on the base and rotatable about a first axis, wherein the device further comprises a specimen holder which is arranged rotatably about a perpendicular second axis on the socket and wherein a center of a specimen receptacle at one end of the specimen holder coincides with an intersection of the first and the second axes, wherein the device further comprises a crank mechanism or a traversing winch for rotating the socket about the first axis, wherein another traversing winch having a linear transmission direction for rotation is arranged for rotating the specimen holder about the second axis.
Owner:HELMHOLTZ-ZENTRUM BERLIN FÜR MATERIALIEN UND ENERGIE
Actuator unit for actuating a valve, and valve with such an actuator unit
ActiveDE102018201444B4Operating means/releasing devices for valvesMachines/enginesShape-memory alloyActuator
Actuator unit (AE) for actuating a valve (V) for a pneumatic adjustment device (PV) of a vehicle seat (FZS), comprising: - a printed circuit board (PCB) with an actuating section (AC) for actuating the valve (V) and - a shape memory alloy element (SMA) coupled to the actuating section (BA) which, when electrical energy is supplied, is deformable such that the actuating section (BA) is moved to actuate the valve (V), wherein the actuating section (BA) is defined by a recess (A) in the printed circuit board (PCB).
Owner:AUMOVIO MICROELECTRONIC GMBH
Device for rotating a specimen about two orthogonal axes
Owner:HELMHOLTZ-ZENTRUM BERLIN FÜR MATERIALIEN UND ENERGIE
Anisotropic bistable auxetic material
PCT designated stageWO2025179379A1Constructions elementsSensitive elementsMechanical engineeringPlastic property
An anisotropic auxetic bistable metamaterial (ABAM), has: building blocks having a quadrilateral shape and having: two unit cells conjointly defining four sides and four corners, the two unit cells disposed on opposite sides of a bisecting line, a unit cell having: three sides interconnected and including two of the four sides and the bisecting line, and three slits each extending from a respective one of the three sides towards a respective opposite one of the three sides; a rotating member bounded by the three slits; translating members disposed around the rotating member; and hinges at ends of the three slits, the rotating member being rotatable relative to the translating members about the hinges, wherein the assembly is non-plastically and reversibly deformable from a collapsed position to an expanded position and reversibly deformable from the expanded position to the collapsed position.
Owner:MCGILL UNIV
Thermal Response Element and its Manufacturing Method
This invention provides a thermal response element with high freedom in setting hysteresis over a wide temperature range and capable of setting relatively small hysteresis. A plate-shaped thermal response element (100) whose shape changes with temperature is described. At room temperature, the cross-section of the thermal response element is a composite curve composed of multiple curves, with different curves at the center (121) and the outer periphery (122) surrounding the center. When the temperature reaches a predetermined range outside room temperature, the shape of the thermal response element changes, and the cross-section of the thermal response element after the shape change is again a composite curve composed of multiple curves. The cross-sections at the center and the outer periphery surrounding the center are different curves, and the boundary (123) between the center and the outer periphery is the same before and after the shape change.
Owner:UCHIYA THERMOSTAT
MEMS resonator with improved temperature stability and method thereof
PendingCN121816615ASensitive elementsPiezoelectric/electrostrictive devicesThermal dilatationMechanical engineering
A temperature compensated MEMS resonator includes a substrate and a device layer, wherein a thermal expansion coefficient of the substrate is lower than a thermal expansion coefficient of the device. The device layer is configured to form a resonant structure comprising: a single anchor bonded to the substrate; an outer region, wherein the outer region is continuous and does not abut the anchor; and at least two tethers, each tether coupling the outer region to the anchor.
Owner:STATLA IP HLDG
Lighting device, trim part and motor vehicle
Lighting device (1) for a fairing part, comprising - a carrier (2), - at least one light-emitting light source (4) fixed to the support (2), - a mirror (8) of the lighting device (1) fixed to the support (2) by means of a reversibly deformable holder (9) and designed to deflect the emitted light, and - a controllable deformation means (10) that deforms the holder (9), wherein a deformation of the holder (9) causes a change in the position of the mirror (8) relative to the at least one light source (4).
Owner:AUDI AG
Adjusting device
The invention relates to an adjusting device (1) comprising a spindle drive (2), an adjusting element (3) to be positioned by the spindle drive (2), and an optical measuring system (4), wherein the spindle drive (2) has a motor (22), a hollow threaded spindle (24) with a threaded spindle axis (A1), and a spindle nut (26) threadably engaged with the threaded spindle (24), wherein the motor (22) drives either the threaded spindle (24) or the spindle nut (26) directly or indirectly, and the adjusting element (3) is connected either to the spindle nut (26) or to the threaded spindle (24), and the optical measuring system (4) comprises at least one first transmitting device (44) emitting a light beam (42) and at least one first receiving device (46) cooperating with the light beam (42),wherein the at least first transmitting device (44) or at least parts thereof is / are arranged stationary on or outside the actuating device (1) and the at least first receiving device (46) or at least parts thereof is / are arranged movably on the actuating element (3), or the at least first receiving device (46) or at least parts thereof is / are arranged stationary on or outside the actuating device (1) and the at least first transmitting device (44) or at least parts thereof is / are arranged movably on the actuating element (3), and the light beam (42) of the at least first transmitting device (44) runs along the threaded spindle axis (A1) inside the hollow threaded spindle (24) and concentrically thereto, and due to the interaction of the light beam (42) with the at least first receiving device (46), a direct position determination of the actuating element (3) is possible.
Owner:PHYSIK INSTRUMENTE (PI) GMBH & CO KG
Sports equipment with adaptive stiffness and / or other enhanced characteristics
Described is an article of sports equipment for a user engaging in a sport, with a stiffness-altering mechanism including an elongate member and an actuator and configured to alter a stiffness of the article of sports equipment during the sport, and a controller configured to operate the actuator for controlling movement of the elongate member to alter the stiffness of the article of sports equipment during the sport. An article of sports equipment can be a hockey stick including a sensor and a processing entity configured to determine information regarding hockey play by the hockey player based on the sensor. A first sensor can be configured to output a first electronic signal that represents the movement of the article of sports equipment and a second sensor configured to output a second electronic signal that represents the flexure of the article of sports equipment.
Owner:SCOPRA SCI & GENIE SEC
DEVICE FOR ROTATION OF A SAMPLE AROUND TWO ORTHOGONALAR AXES
Owner:HELMHOLTZ-ZENTRUM BERLIN FÜR MATERIALIEN UND ENERGIE
MEMS resonator with improved temperature stability and method therefor
PCT designated stage expiredWO2025085997A1Sensitive elementsPiezoelectric/electrostrictive devicesThermal dilatationAnchor point
A temperature-compensated MEMS resonator includes a substrate and a device layer, wherein the coefficient of thermal expansion of the substrate is lower than that of the device. The device layer is configured to form a resonating structure, the resonating structure comprising a single anchor that is bonded to the substrate, and an outer region, wherein the outer region is continuous and does not abut the anchor, and at least two tethers, each of which tethers couple the outer region to the anchor.
Owner:STATHERA IP HOLDING INC
LINEAR ACTUATOR WITH VARIABLE STIFFNESS ADJUSTMENT
The invention relates to a linear actuator (1, 1') with variable stiffness, comprising: - a first and second base element (2, 3; 2', 3') which are connected so as to be translationally movable relative to one another with respect to a longitudinal direction (L); - a volume-incompressible, elastic deformation element (11, 11') arranged in a lifting cylinder (12, 12') coupled to the base elements (2, 3; 2', 3'); - an adjusting device (17, 17', 18, 18') for the controlled, variable release of a deformation space (VR) in the deformation element (11, 11') in the interior of the lifting cylinder (12, 12'); - a first actuating actuator (8, 8') which has a thermoelastic actuator element and which is mechanically coupled to the first and the second base element (2, 3; 2', 3') and is designed to bring about, in particular independently of the adjustment by the adjusting device (17, 17', 18, 18'), a controlled adjusting force which is directed counter to an elastic deformation of the deformation element (11, 11'), so that the first and the second base element (2, 3; 2', 3') are moved relative to one another in an adjusting direction.
Owner:UNIVERSITAT DES SAARLANDES +1
Actuator with shape memory element and positioning device comprising such an actuator
The present invention relates to an actuator (1) comprising a rotary element (2) rotatable about an axis (A), a deflection element (4) arranged on the rotary element (2) centrally with respect to the axis (A), at least one inner fastening point (6) arranged on the rotary element (2) eccentrically with respect to the axis (A), at least one outer fastening point (8a, 8b) arranged stationary with respect to the axis (A), and at least one wire (3) made of a shape memory alloy, wherein the at least one wire (3) is fastened to the at least one inner fastening point (6) and the at least one outer fastening point (8a, 8b) and, upon thermal activation, bears tangentially against at least one circumferential section of the deflection element (4). The actuator according to the invention enables a sufficiently large actuating movement of the rotary element (2) with a compact design of the actuator (1).A further aspect of the present invention relates to a positioning device comprising such an actuator.
Owner:PHYSIK INSTRUMENTE (PI) GMBH & CO KG
Actuator module with damping system
A described actuator module for releasing an equipment component comprises: a guide sleeve; a coupling body intended for coupling with the equipment component, which is movably arranged relative to the guide sleeve along a sleeve axis thereof from a ready position to a working position, wherein the coupling body is capable of effecting the release of the equipment component by moving from the ready position to the working position; a locking body movable relative to the guide sleeve between a locking position and a release position; an actuator device for moving the locking body; and a spring system designed to provide a spring preload which forces the coupling body in the ready position towards the working position.and a damping system designed to decelerate and / or cushion the coupling body when it moves into the working position. A system and a satellite with such an actuator module are also described.
Owner:DCUBED GMBH
Thermally responsive element and its manufacturing method
ActiveJP7793214B2Shaping toolsThermometers using material expansion/contactionMechanical engineeringThermo responsive
Provided is a thermally-actuated element having a high degree of freedom for setting a differential across a wide temperature band, and with which it is also possible to set a comparatively low differential. This plate-shaped thermally-actuated element 100, which has a shape that changes in conjunction with a change in temperature, has a cross-section at a room temperature that is a composite curve formed by combining a plurality of curves, the cross-section being at different curves at a center portion 121 of the thermally-actuated element and an outer peripheral portion 122 surrounding the center portion. The shape of the thermally-actuated element changes at a prescribed temperature outside the range of room temperature, the cross-section of the thermally-actuated element after the shape change is a composite curve formed by combining a plurality of curves, and the cross-section is at different curves at the center portion of the thermally-actuated element and the outer peripheral portion surrounding the center portion. A boundary 123 between the center portion and the outer peripheral portion is the same before and after the shape change of the thermally-actuated element.
Owner:UCHIYA THERMOSTAT
Display device with movable display panel
The present invention relates to a display device (1) with a movable display panel (2) and a drive mechanism (3) for moving or rotating the display panel (2). The drive mechanism (3) has actuating elements (30) for moving or rotating the display panel (2), which are made of a shape-memory alloy.
Owner:CONTINENTAL AUTOMOTIVE TECHNOLOGIES GMBH
Modular sensor-actuator
The present application relates to a sensor-actuator (10) comprising at least two modules (12, 14) comprising: • - a core (18) designed to expand and generate forces under the effect of an environmental stimulus such as heat or humidity, • - a fibrous network (20) surrounding the core (18) so as to constrain the expansion of the core (18) in order to favour a deformation along at least one axis of extension, bending or torsion, the sensor-actuator (10) being such that, among the two modules (12, 14), • - the first end (30) of the core (18) of the first module (12) comprises a female assembly portion (34), and • - the second end (32) of the core (18) of the second module (14) comprises a male assembly portion (36) able to cooperate with the female assembly portion (34) of the first module (12) in order to assemble the first module (12) to the second module (14).
Owner:UNIVERSITY OF SOUTHERN BRITTANY
Actuator with shape memory alloy elements
An actuator (1) has two end pieces (3, 4) spaced apart in the direction of an actuator main axis (2), a preload arrangement which applies a preload force pressing the connecting pieces (3, 4) apart in the direction of the actuator main axis (2), and two contraction elements (8) which run along the actuator main axis (2) between the connecting pieces (3, 4), which are formed on the basis of a shape memory alloy (18) and can be controlled to shorten their free lengths (15) between the connecting pieces (3, 4). The contraction elements (8) running between the connecting pieces (3, 4) are arranged axially and / or rotationally symmetrically to one another with respect to the actuator main axis (2) and run at equal angles to a reference plane to which the actuator main axis (2) is a surface normal. Parallel to the reference plane, the connecting pieces (3, 4) have rectangular floor plans (34).The contraction elements (8) are band-shaped, each extend parallel to a main extension plane, and have widths (14) parallel to the reference plane. The two contraction elements (8) are secured to the connecting pieces (3, 4) across their widths (14) on two mutually parallel sides (35) of their outlines (34). The widths (14) of the contraction elements (8) amount to at least 50% of the side lengths (37) of the two mutually parallel sides (35) of the outlines (34) of the connecting pieces (3, 4).
Owner:DEUTSCHES ZENTRUM FÜR LUFT UND RAUMFAHRT E V