RECIRCULATING HYDRO-PNEUMATIC IMPULSE TURBINE

FLUID ACCELERATOR

CONCENTRATOR ATTACHMENT FOR BLOWER AIR TUBE

VERTICAL AXIS WIND TURBINES AND DEVICES THEREFOR

SYSTEM APPARATUS AND METHOD SUITABLE FOR CAPTURING WATER ENERGY

Airflow guiding device for the sound- and pressure-optimized supply of an airflow to an inlet nozzle of a fan, fan device, generator, and wind power installation

Concentrator attachment for blower air tube

System apparatus and method suitable for capturing water energy

WIND-BASED ELECTRICAL POWER GENERATION SYSTEM

Separation assembly with a two-piece impulse turbine

Turbine

Turbocharger device with spring element for clamping the guide device against the turbine housing, and spring element

Concentrator attachment for blower air tube

Centrifugal compressor and turbocharger

Multi-stage slotted wind turbine

System apparatus and method suitable for capturing water energy

Diffuser for a centrifugal compressor and centrifugal compressor having the same

FAN ASSEMBLIES

CEILING FAN

FUNNEL WIND TURBINE

DEVICE FOR CONVERTING WIND ENERGY TO AT LEAST MECHANICAL ENERGY

Negative-pressure suction-type fluid-driving dynamical machine

Tethered unmanned aerial vehicle

Linear pelton turbine

Linear Pelton turbine

Induced-flow wind power system

Automatic Inlet Swirl Device for Turbomachinery

HYDRAULIC TURBINE

Turbine assembly

Variable-geometry ducted fan

System apparatus and method suitable for reducing the contaminate concentration of effluent before discharge

Assembly with guidance of an elongate thin lip in an elongate narrow slot and application to the assembling of an air guide on a nozzle

Hydraulic turbine

Axial compressor

Method and system of providing fluid flow for a rotor

Axial compressor

Transportable hydro-electric system

Offshore wind turbine with device for ice prevention