A cam and adjustor ring vary orbital stroke radius without tools or disassembly, improving control and versatility for sanding and polishing.
An eccentrically mounted return spring delivers quasi-sinusoidal torque to balance rotary axes without radial force, bulk, or added inertia.
Reinforcing the balancer housing support part limits idler shaft tilt under chain load, reducing gear misalignment, noise, and vibration.
A rearranged eight-cylinder layout balances piston forces to eliminate vibration without balance shafts or special engine mounts.
Real-time repositioning of a moving member tunes damping frequency to suppress machine vibration without sacrificing machining efficiency.
An elastic band and stop element create non-linear glove compartment damping, controlling flap opening speed with lower cost and complexity.
A dual-axis gyroscopic inner mass uses electromagnetic drive to suppress aircraft vibration without heavy linear parasitic masses.
Embedded microinerter arrays in a structural matrix attenuate ultra-low-frequency vibration without the large mass or fragility of conventional resonators.
A hydroformed hollow tube joins journals and counterweights to cut balance shaft mass and inertia while preserving bending stiffness.
Mounting the balancing shaft transmission below the crankshaft saves space, simplifies oil pump drive integration, and improves bearing lubrication.
Elastomer-layered ball bearings replace shackle and Cardan joints to cut wear, hold resonant frequency stable, and damp torsional vibration.
Axial shoulders on the needle bearing outer ring let a balance shaft handle radial and axial loads in one bearing, cutting space and parts.
A gear frame below the crankshaft drives balance shafts and oil pumps while reducing crankcase machining and improving idler gear lubrication.
A seven-cylinder V layout increases bore size and intake flow while using a non-adjacent firing order to cut exhaust back pressure.
Shifting accessory torque to the first balance shaft and shrinking balancer gears cuts gear deformation, meshing noise, and rattling.
Guide bodies constrain pivot motion in a dual-eccentric mechanism to pass dead points smoothly and keep rotary-to-linear conversion stable.
A dual-axis gyroscopic assembly uses magnetic drive to counter helicopter rotor hub moments while avoiding the weight penalty of parasitic masses.
Twin crankshafts, contra-rotating drive wheels, and integrated cooling cut vibration, friction, and manufacturing complexity in a rotary engine.
Multiple internal damping members share absorber loads to cut aircraft strut vibration, fatigue, and maintenance across flight phases.
A cam and adjusting ring vary orbital stroke without tools or disassembly, giving random orbital machines more flexible surface treatment.
Opposed inner and outer rotors generate balanced harmonic forces to damp tower vibrations while cutting volume, moments, and parasite vibration.
A second piston coupled to the crankshaft counterbalances single-cylinder vibration and improves rotational stability and power delivery.
Axial cage contact on both bearing ring end faces stabilizes needle position, cuts tolerance-chain effects, and reduces wear.
Opposed slider-crank counterweights balance piston inertial forces to suppress first-, second-, and higher-order engine vibrations.
Opposed slider-crank mechanisms and a linked counterweight balance inertial forces to eliminate multi-order engine vibration and reduce damage.
A form-fit clamping part locks the bearing ring on an unbalanced shaft to prevent torsional slip, wear, and roller-bearing durability loss.
Offset amplitude and frequency rotors vary mass position to generate a controllable counter-vibration force near the helicopter rotor.