A tuned fan-to-OGV spacing ratio lowers gas turbine noise while maintaining propulsive efficiency without fuel, drag, or weight penalties.
A variable wrap angle along the axial impeller blade height cuts tip vortices, smooths airflow, and reduces noise and pulsation.
Retroreflected optical sensing tracks fan blade deflection and flutter without intrusive probes, enabling real-time engine state changes.
A tuned acoustic spacing ratio between fan blades and outlet guide vanes lowers gas turbine noise without adding drag, weight, or fuel burn.
BEAL-based spacing between fan blades and outlet guide vanes reduces gas turbine noise through acoustic interference without hurting efficiency.
A tuned fan blade-OGV spacing ratio reduces gas turbine noise while preserving propulsive efficiency without added acoustic hardware.
Integrated shell threads and a sealing ring replace multiple screws to speed water-cooling assembly while preventing leakage.
Resonant cavities built into the air guide ring target 400-1200 Hz noise from the impeller gap without restricting axial fan rotation.
A pressure-driven movable diffuser adjusts flow-channel width to prevent stall and surging while widening centrifugal compressor operating range.
Stepped tail-edge recesses disperse outlet airflow frequencies, cutting axial-flow impeller noise while reducing blade weight and motor load.
A sealing member placed between the weld seam and assembly clearance blocks coolant leakage in an electronic water pump and lowers failure risk.
Electroplating a nickel-alloy sheath onto composite fan blade edges improves impact resistance, avoids adhesive bond failures, and lowers cost.
A spring-mass damper between the fan blade root and fan disk cuts 1P cyclic vibration, reducing fatigue and improving turbine engine durability.
A reduced space-chord ratio in fan outlet guide vanes cuts shock-induced buffet while preserving stiffness and bypass flow performance.
A double-sided air supply structure with two wind wheels boosts air volume and cleaning effectiveness without fully separate blower systems.
A bearing holder that forms part of the blower air path conducts heat to airflow, extending bearing life without extra parts or weight.
Positioning pins, magnets, and quick connectors let multiple fans mount fast with cleaner wiring and less airflow obstruction.
A bulk metallic glass bond joins a titanium leading-edge sheath to an aluminum fan blade body, reducing galvanic corrosion and machining complexity.
A centered double-shaft motor and two shorter crossflow blowers cut fan vibration and noise while enabling stable vertical or horizontal use.
A platform-mounted blade assembly lets gas turbine rotors replace damaged blades without changing the full spool, cutting maintenance time and weight.
Point-contact thrust support stabilizes the impeller and rotor while cutting friction and noise in an electric water pump.
Partitioned flow channels let one impeller distribute coolant through multiple paths, simplifying the pump and improving engine warm-up control.
A nickel alloy sheath electroplated onto composite fan blade edges and tips improves impact resistance while eliminating adhesive-bond delamination.
A gearbox decouples fan and turbine speeds in a geared turbofan, improving efficiency while avoiding direct-drive speed constraints.
Coaxial impellers and a brushless drive improve enclosed-space cooling where bulky heat exchangers and external fins limit thermal capacity.
A non-rotating downrod, guy wires, and redundant retention reduce vibration and gyroscopic movement while maintaining efficient airflow.
An overmolded metal insert supports a flat gasket in a plastic pump volute, improving sealing while enabling single-side assembly.
A braided fiber sock plus discontinuous long-fiber strips forms honeycomb cell walls with better junction strength, simpler draping, and lower vibration.
Independently adjustable fan exit guide vane sections cut fan back pressure, residual stress, and circumferential pressure variation across engine conditions.
Misaligned dual-sided fan blades cut blower noise while preserving strong air jetting force and balanced handling.
Independently adjustable upper and lower fan exit guide vane sections optimize airflow, cutting back pressure, fan stress, and fuel use.
Removable bundle fastening enables shaft coupling through bundle openings, preserving casing volume and sealing integrity.
An axial diffuser with integrated pump components cuts seal complexity, pressure drop, and axial space in multistage centrifugal pumps.
A rim-biased maximum blade chord evens outlet airflow, cutting pressure loss and turbulence noise in centrifugal blowers.
Fluid pressure rotates an annular valve inside the pump to switch outlet flow paths without extra actuators, reducing complexity.
A single stepped rotor shaft and lock nut replace tie bolts to prevent imbalance, avoid frequency interference, and sustain compression efficiency.
Preloaded compliance elements form-lock the fan frame to the housing while damping 3-axis vibration to suppress noise in vehicle lighting.
Detachable side and outlet covers shield heated pump surfaces while limiting solidified process gas buildup that can degrade performance.
A partial C-shaped air baffle ring limits pressurization-zone leakage, boosting terminal fan airflow while reducing mixing loss and noise.
An arc-corner heat-insulating wall and heater keep exhaust gas flowing and warm, suppressing by-product buildup downstream of the thread groove.
An immersed suction pump with a circumferential motor cooling jacket cuts battery thermal control size, weight, and leak-prone connections.
Rod-shaped housing coolers improve vacuum pump heat dissipation when airflow crosses the surface, reducing thermal stress and cooling limits.
Guide vanes placed at a tuned axial distance homogenize diagonal fan discharge, cutting outlet losses while preserving compact long-throw airflow.
An abrupt downstream step diffuser and secondary flow path stabilize fan discharge, cutting noise while improving pressure recovery.
An over-stroke linkage drives turbine engine guide vanes to a known safe pitch angle during control breakdowns, cutting shutdowns and maintenance cost.
A shared mechanical and electrical interface lets one tripod power different accessories or battery packs while supporting multiple voltage needs.
Internal vane cavities route airflow to cool the gearbox while shielding cooling passages from debris, reducing weight and complexity.
Impeller grooves route bubbles away from the rotor center, preserving shaft sleeve lubrication and extending bearing stability in water pumps.
Free blade tips deflect under centrifugal force to vary backsweep angle, extending centrifugal compressor efficiency and operating range.
A dual-volume resonant chamber built into the blower enclosure attenuates high-frequency noise above 1 kHz without major structural complexity.