Hinged arms guide counterbalance weight to minimize lateral vibration while maintaining precise positioning accuracy.
An annular electric motor system independently rotates masses to reduce in-plane vibrations.
Offset rotor axes enable centrifugal forces to orient masses toward low static imbalance during power loss, preventing hazardous vibrations.
Segmented central support replaces heavy cast iron sumps to reduce weight and simplify assembly while maintaining structural stability.
Alternating metal and plastic sheets form a composite gear structure that absorbs vibration energy through internal damping interfaces.
Balancer mechanism adjusts inertial forces to position the instantaneous center of rotation at a target location.
A nodular cast iron balance shaft gear eliminates expensive case hardening while maintaining high fracture elongation and wear resistance.
A tapered boss and pin assembly transmits high torque from the crankshaft to the balancer shaft, eliminating the need for upsizing the shaft diameter.
A rotating balancing shaft drives an oil pump via a shared gear system within a common housing to reduce engine installation space.
Segmenting the pump drive from the camshaft reduces engine weight and size while maintaining injection pressures up to 3000 bars.
An offset pivot shaft rotates within a drive member to create counterbalancing centrifugal forces that reduce irregularities in crankshaft rotation.
Strategic housing openings allow external access to balance correction taps, resolving the conflict between waterproof sealing and maintenance accessibility.
Mounting a counter-vibration mass on the rotor hub with variable radial and axial distances suppresses source vibrations before they reach the fuselage.
Porous balance shaft journals lower rotational inertia and improve vibration counteraction by reducing mass without sacrificing structural strength.
Asymmetric shaft angles centralize engine mass, resolving vibration and cylinder interference trade-offs.
A floating bearing shell accommodates radial bearings without fasteners, resolving the contradiction between weight reduction and secure bearing accommodation.
Segmented bearing surfaces optimize centrifugal force distribution, cutting weight by 40% without compromising engine reliability.
Dynamic counterweights reconfigure geometrically to mitigate noise vibration and harshness in low cylinder count engines.
Accelerometer filtering isolates resonant frequencies to drive motor counteraction, replacing passive isolation components that increase manufacturing costs.
Segmented unbalanced shaft separates the bearing ring from the cast body, eliminating complex casting processes and reducing production costs.
Tab-and-slot inertia ring attachment enables durable brazing without weakening blade joints or requiring costly fixtures.
Complex-shaped inertial weight members balance the drive shaft to maintain high amplitude reciprocating motion under user loading.
An elastic attenuation member contacts the lifting wire to suppress abnormal noise caused by door closure vibrations without requiring bulky outer casings.
A dual eccentric shaft driving mechanism uses counter-rotating components to cancel centrifugal forces and reduce operational vibration.
Segmented inertial and couple balancers resolve primary vibration to reduce crankcase space occupation, enabling flexible layout and engine downsizing.
A radial bearing seat narrows outside the load zone to reduce mass and processing costs.
Airfoil spokes with angled orientations control airflow around the crankshaft damper, reducing sound pressure levels by 5 dB.
A compact internal combustion engine uses a balancer shaft and oil pump driving shaft disposed in a neighboring relationship.
Needle bearing arrangement featuring relief grooves on the inner raceway to enable efficient heat dissipation during inductive hardening.
Segmented counterweight halves create optimized angular momentum that reduces motion resistance and extends compressor service life.
Integrated drive gears power countershafts and balancer shafts to reduce engine width while preventing oil submersion during incline.
A crankcase through-hole enables direct visualization of balancer gear positioning marks.
Segmented galleries reuse pressurized oil for turbocharger cooling, reducing pressure loss and machining complexity in motorcycles.
Independent motor drive eliminates heavy crankcases in dynamic imbalanced force generators, reducing parasitic torque and actuator volume.
A vertical actuator uses reluctance forces and a mechanical spring to counteract weight for force-free displacement.
Relocating the balancer to the crankcase ceiling frees space behind the cylinder, enabling larger fuel tanks and equipment installation.
An adjustable spring and pivotable lever balance torques on a microtome carriage, preventing uncontrolled drops during cutting movements.
Smaller bearing diameters reduce power requirements while Hall-effect feedback minimizes residual vibrations in helicopter active vibration control systems.
A double imbalance rotor device generates adjustable centrifugal forces to damp structural vibrations through controlled rotational speeds and phase shifts.
A balance shaft bearing uses a partial radial running surface to reduce rotating mass while maintaining centrifugal force support.
Offset reference axes reduce counterweight mass and torsional vibrations, eliminating external balancing shafts in internal combustion engines.
A mass balancing gear axle features a dedicated chip-collecting groove to retain debris generated during assembly.
Inclined knurled grooves on a balancing mass shank distribute mechanical load across their flanks to prevent accidental loosening under vibration.
A balance mass rotates on the camshaft to counteract reciprocating imbalances in internal combustion engines.
Centrifugal deformation of the centering means ensures precise positioning, resolving balancing accuracy issues at high speeds.
A shared oil passage delivers high pressure to a balancer shaft bearing and cylinder head within an internal combustion engine crankcase.
Oblique running surfaces in rolling-element bearings direct lubricant to central regions, resolving uneven distribution and support trade-offs.
A compact antivibration device uses a stationary motor and epicyclic geartrain to drive contra-rotary rotors for stable force generation.