A shroud for a compressor is provided. The shroud may include a first annular portion constructed of a first material, a second annular portion coupled to the first annular portion and constructed of a second material, and a first coating disposed on the first annular portion and constructed of a third material. At least one of the first material, the second material, and the third material may be a different material from at least one other of the first material, the second material, and the third material.

A gear pump for power generation comprises a first rotor and a second rotor in a case. The first rotor comprises a first plurality of radially spaced teeth, wherein the first plurality of radially spaced teeth wrap around the first rotor helically in a clockwise direction, and wherein at a first position the first plurality of radially spaced teeth have a helix angle different than the helix angle of the first plurality of radially spaced teeth at a second position. The second rotor comprises a second plurality of radially spaced teeth, wherein the second plurality of radially spaced teeth wrap around the second rotor helically in a counter-clockwise direction, and wherein at a first position the second plurality of radially spaced teeth have a helix angle different than the helix angle of the second plurality of radially spaced teeth at a second position.

A wind turbine blade device includes a rotating unit including a blade module concentrically connected to a rotating shaft thereof and having a plurality of radially curved channels each having inlet and outlet ends. The inlet and outlet ends of the radially curved channels are configured to respectively permit flow of the flow body into and out thereof. An outer tube includes a tube body surrounding the rotating unit, and a plurality of rib plates provided in the tube body. The outlet end of each radially curved channel corresponds to one of the rib plates, and each radially curved channel forms an included angle with a corresponding rib plate such that the flow body flowing out of the outlet end can impact upon the corresponding rib plate.

A turbine assembly for a generator including a rotor that is operable to rotate about an axis; and a thrust absorbing member, wherein fluid is operable to enter the turbine assembly generally axially with regard to the axis of rotation of the rotor and to exit the turbine generally radially with regard to the axis of rotation of the rotor. The fluid is operable to contact the thrust absorbing member prior to contacting the rotor.

The invention relates to an outer turbine system (OTS) comprising an outer envelope having first and second ends with an axial inflow and a radial and/or axial outflow of a working gas or liquid. Inner turbine blades are disposed at an inner side of the envelope to rotate the turbine. The envelope and the blades can have a defined shape. The blades can be detachably attachable, adjustable, comprise hollow spaces. The envelope can comprise (adjustable) through openings. The turbine can be mounted in a housing, can include a defined feed casing and one or more stages. The turbine can be supported at defined portions, can be variably mounted, can work bidirectionally, can use regenerative power, can pump and can be fabricated from a defined material. The blades can be provided with a defined cooling system. The turbine can be coupled with another turbine, a mechanocomponent and/or an electrocomponent.

A wind turbine blade device includes a rotating unit including a blade module concentrically connected to a rotating shaft thereof and having a plurality of radially curved channels each having inlet and outlet ends. The inlet and outlet ends of the radially curved channels are configured to respectively permit flow of the flow body into and out thereof. An outer tube includes a tube body surrounding the rotating unit, and a plurality of rib plates provided in the tube body. The outlet end of each radially curved channel corresponds to one of the rib plates, and each radially curved channel forms an included angle with a corresponding rib plate such that the flow body flowing out of the outlet end can impact upon the corresponding rib plate.

A centrifugal fan includes a motor, an impeller, and a housing. The motor includes a rotary portion that rotates about a vertical center axis. The impeller is fixed to and rotates together with the rotary portion. The housing accommodates the motor and impeller. The rotary portion includes a rotor holder with a magnet. The impeller includes circumferentially disposed blades and a blade support portion that supports the blades on an outer side. The housing includes an inlet port axially penetrating an upper surface of the housing and an outlet port radially penetrating a side surface of the housing. The blade support portion includes an accommodating portion that opens upward and that accommodates a balance adjustment member. The accommodating portion is disposed on a radial-direction inner side of the blades and between an upper end and a lower end of the blades in an axial direction.

A wind turbine system utilizes an air deflector configured inside of an air scoop extending along a circular track around the air deflector to capture the prevailing wind and direct it up through an air rotor. The air rotor is configured with a plurality of fins in the air rotor channel and the flow of air past the fins spins the air rotor. A rotor of an electrical generator is coupled with the air rotor and spins with respect to a stator, fixed to the wind turbine frame, to produce electricity. The air scoop rotates about the wind turbine as a function of the prevailing wind and may be controlled by a controller that is coupled with one or more of the wheels of the air scoop. A plurality of baffles may be configured under the fins to direct the air and over the fins.

A pump device includes a drive unit, a pump unit and a transport unit. The drive unit includes a base frame, and a variable-speed drive device disposed on the base frame. The pump unit includes a rotating shaft driven by the drive device, a fan blade co-rotatably mounted to the rotating shaft, a drain housing receiving the fan blade, and a suction housing in fluid communication with the drain housing. The transport unit includes a plurality of transport tubes in fluid communication with the drain housing.

The present invention generally relates to the field of energy generation systems-renewable energywind energy and flowing water energy, more particularly to the fluid turbines. The present invention uses the blockage effect either due to a plate or due to a ground suitably place so that in a distance up to one diameter away from the duct, so that the air is deflected up to 90 degrees and beyond and the flow rate through the duct and turbine is increased, leading to higher efficiency and greater power produced.