Magnetically Actuated Clutches TRIZ Cases

A bi-stable electromagnetic clutch locks the axle shaft to the differential housing to restore traction when one wheel slips on muddy or uneven roads.

A controllable clutch bypasses torque converter rotation during lock-up to cut inertial losses and extend speed range.

Alternating tooth groups and tooth-missing parts aligned with ball grooves reduce spline root stress and improve coupling fatigue life.

A torque-triggered clutch interrupts motor drive before inertia causes over-tightening, improving fastening accuracy in electric tools.

Two electromagnetic clutches are integrated on one axis to transmit torque in both directions while reducing space occupancy and layout constraints.

Integrated detection coils share the actuator magnetic path to confirm clutch engagement without adding external sensors or extra packaging space.

A restriction member limits connector axial movement to prevent deformation, gear contact, and disconnection in compact drive transmitters.

A dual gear-ring disconnect with an overrunning clutch isolates a faulty electric machine from the drive shaft while controlling torque direction.

A nested gear-ring disconnect and overrunning clutch isolate one electric machine during faults while maintaining torque transfer in shared drives.

Laser-fused friction lines on a small supercharger pulley increase belt grip, cutting slippage and noise without enlarging the assembly.

A master controller switches internal and external batteries to keep a prosthetic arm operating through complex multi-joint movement.

Bias current pre-energizing speeds electromagnetic clutch piston travel and cuts switching time without raising maximum control current.

A solenoid and plunger clutch assembly stops ammunition feed immediately on trigger release while removing fragile external springs that drive wear.

Radial tangs and inner and outer notches let the armature plate flex around warpage, cut air gaps, and improve clutch torque transfer.

A split clutch and reset assembly hold EV drivetrain engagement or disengagement without continuous actuator power, cutting energy waste.

A cycloidal reducer with a mechanical position stop drives the sliding sleeve accurately, cutting footprint, cost, and response time in EV disconnect modules.

A movable member, magnetic assembly, and spring layout enables compact clutch engagement and flexible installation in tight powertrain spaces.

A separately guided armature ring keeps the radial air gap uniform, giving reproducible clutch switching force with lower wear and power loss.

Internal and external battery management balances prosthetic arm runtime and weight while supporting reliable multi-joint motion and tactile use.

Intermittent coil energization and magnet-core matching cut clutch heat and power use while keeping stable engagement and disengagement.

Grouped coils, magnets, and a spring let this clutch stay engaged or separated without continuous power, cutting heat and power-loss disconnection.

A magnet and Hall transducer detect strut position during relative rotation, helping prevent extension damage in coupling assemblies.

A sealed sensor and control PCB improves locking differential precision and thermal reliability in tight, high-heat drivetrain packaging.

A teeter-totter strut uses center-of-mass placement and pocket geometry to resist shock loads and stay retracted in clutch assemblies.

A spring-assisted modular clutch structure reduces complexity and occupied space while enabling flexible installation positions in power systems.

A stationary coil moves the actuator slide, while springs and magnets hold both clutch positions without continuous power draw.

Sensor-based solenoid control adjusts clutch ring axial velocity to reduce NVH, avoid torque trapping, and stabilize rotary disconnect engagement.

A mechanical detent holds a three-position actuator at discrete clutch states to prevent overshot engagement in vehicle transmissions.

A magnetic flux bridge removes the secondary air gap in an electromagnetic brake or clutch, improving coil efficiency and magnet flux use.

Gradual, temperature-based voltage reduction slows spring return in a dog clutch actuator to cut impingement noise without losing decoupling reliability.

Magnetic coupling lets a power tool fan wheel run below motor shaft speed, reducing fan losses while maintaining effective motor cooling.

By bridging the inner and outer ring bodies with a web, this case removes secondary air gaps and magnetic shunts to improve coil efficiency.

A second snap ring and telescopic shaft restrain inner member pullout under axial load while preserving coaxial clutch operation.

A composite solenoid plunger limits axial misalignment to ensure consistent differential lock engagement and torque transfer on mixed-traction surfaces.

Magnetic translator actuation replaces hydraulics in a coupling assembly to speed clutch response, cut energy use, and reduce wear.

Axial toothed clutch nesting inside the pulley cuts size and noise while letting engine accessories run when the combustion engine is off.

An electromagnet-driven clutch couples and decouples an SSSV shaft to hold the valve open and return it closed when the signal is lost.

Tapered ball tracks and non-uniform ring widths cut ball-ramp mass while preserving strength and thrust in vehicle driveline components.

A magnetically aligned coupler with inclined protrusions transfers torque across misaligned developing roller shafts while limiting over-force damage.

An integrated electromagnetic clutch and brake cuts torque and stops the output member during blocking events to prevent motor overload.

A magnetic stop member and detent lock the clutch actuator position, cutting continuous coil power while maintaining torque transmission.

A magnetic actuator moves a locking element in a vehicle drive coupling to cut wear, lower actuation force, and save parts and space.

A shared-notch-plate clutch combines DCC and electrically actuated CMD functions to cut component count, mass, and packaging space.

Forward and reverse coil energization with magnets and an elastic return cuts clutch power draw, heat, and force fluctuation.

A magnetic locker engages serrations with a housing gear to block reverse shaft rotation while preserving efficient forward torque transfer.

A torque detection unit triggers clutch interruption before motor inertia causes over-tightening, improving fastening torque accuracy.

Grouped coils, magnets, and springs let this clutch stay engaged or disengaged without power, cutting heat and preventing unintended release.

Transient solenoid re-energization slows dog clutch retraction to cut NVH, reduce impact, and lower disconnect energy use.

An axially extended, continuous rim cuts clutch ring stress, supports lubrication and alignment, and enables higher differential torque in compact space.