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Match Document Document Title
8992163 Expandable impeller pump  
An impeller includes a hub, and a plurality of blades supported by the hub, the blades being arranged in at least two blade rows. The impeller has a deployed configuration in which the blades...
8790080 Turbine casing having ledge ring partition aperture  
A turbine casing segment is disclosed. In one embodiment, a turbine casing segment is disclosed including: a plurality of stage segments; a plurality of ledge ring partitions separating the...
8702387 Propulsion system  
The present invention relates generally to propulsion systems, and, more particularly, to a propulsion system including an axial flow water pump assembly and a laminar flow box assembly for...
8550771 Inducer for centrifugal pump  
An inducer for vertical flow, cryogenic liquid centrifugal pumps comprising a stationary outer housing portion having an inlet and an outlet, the inlet located at a lower end and the outlet...
8475113 Hydroelectric power device  
A hydroelectric power device equipped with a casing member that has a channel that passes through from an opening on the water entry side towards an opening on the water discharge side, a rotor...
8475125 Shroud vortex remover  
Tip shrouds on last stage buckets for condensing steam turbines may create significant blockage and form a vortex at the wall of the steam guide of the diffuser, causing the steam flow to separate...
8408491 Nacelle assembly having inlet airfoil for a gas turbine engine  
A nacelle assembly includes an inlet lip section and an airfoil adjacent to the inlet lip section. The airfoil is selectively moveable between a first position and a second position to adjust the...
8376687 System and method for cooling steam turbine rotors  
A steam turbine includes a rotor having a plurality of early stages and a stator portion surrounding a portion of the rotor and arranged such that a leakage region exists between the stator...
8376699 Vortex hydro turbine  
The Vortex Hydro Turbine takes water through an inlet from the current in which it is submerged. The water inlet reduces the cross-sectional area for the water that flows into the vortex chamber...
8152495 Peripheral discharge tube axial fan  
A mixed flow fan assembly includes an electric motor, an impeller having a hub enclosing the motor, and a plurality of fan blades spaced circumferentially around the hub. The fan assembly also...
8147284 Submersible propulsor unit  
A submersible propulsor unit, comprising: a duct defined between a duct hub and a duct wall, the duct having a water inlet and a water outlet, a propeller means rotatably mounted within the duct,...
8123475 Heat dissipation fan  
A heat dissipation fan includes a fan frame, a bearing assembly, a stator and a rotor. The fan frame includes a base and a central tube. The central tube includes an open top end and an open...
8068339 Axial fan apparatus, housing, and electronic apparatus  
There is provided an axial fan apparatus including an axial-flow impeller, a drive unit, and a housing. The axial-flow impeller is capable of rotating and includes a plurality of blades inclined...
7972108 Turbine and hydroelectric power plant for very low head  
A turbine for a hydroelectric power plant intended to equip a water stream at the level of a very low head lower than 10 meters, and preferably from 1 to 5 meters, comprising a helix-shaped wheel,...
7828511 Axial tip turbine driven pump  
An axial tip turbine driven pump in which a first fluid pumped by an inducer is driven by a second fluid that reacts with a turbine blade extending from a shroud on the inducer. The inducer...
7789617 Impeller and diffuser with a rotating and converging hub  
A suction stage for a pump with a centrifugal wheel, the suction stage including a rotational impeller equipped with a hub and arranged upstream of the centrifugal wheel, the suction stage further...
7731479 Fan and fan housing with airflow-guiding stationary blades  
A fan includes a fan housing and an impeller. The fan housing includes a frame, a base disposed in the frame, a plurality of stationary blades disposed between the frame and the base, and a...
7726939 Heat-dissipating fan and its housing  
A heat-dissipating fan with an upward air-guiding member is provided. The heat-dissipating fan includes a housing, an impeller having a hub and a plurality of blades disposed around the hub, a...
7658589 Turbine with tube arrangement and method of preventing detachment of a fluid flow  
Turbine system including a turbine and a tubular arrangement having an exit opening. The tubular arrangement is arranged on a downstream side of the turbine. At least one flow controlling device...
7513755 Submerged motor and pump assembly  
An in-line motor and pump assembly is supported at the bottom of a fuel storage tank by a pipe and an internal concentric conduit for housing electrical conductors extending therewithin to the...
7481619 Extended venturi fan ring  
A high efficiency, low-noise fan ring for use with a heat exchanger having an annular fan ring body attached to a coaxial mounting ring. The fan ring body extends in a substantially perpendicular...
7478993 Cooling fan using Coanda effect to reduce recirculation  
A cooling fan for an engine in a vehicle. Ordinarily, a fan rotates within a shroud, which surrounds the fan. Leakage can occur between the tips of the fan blades and the shroud, wherein fan...
7473075 Liquid pump  
A liquid pump (100) includes a top cover (40), a back plate (50), and a spacing member (60). The spacing member is sandwiched between the top cover and the back plate, thereby dividing an interior...
7374399 Inline fan housing assemblies  
The present invention relates to an inline fan housing assembly adaptable for connection with conduits of various diameters. The inline fan housing assembly comprises a connector collar for...
7331756 Axial-flow fan unit and heat-emitting element cooling apparatus  
An axial-flow fan unit that produces less noise is provided. Blades 19 are exposed from a venturi 29. The shape of each of the blades 19 is so defined that a space formed between at least an inner...
7331759 Drying fan  
A drying fan, including for water damage restoration, including for drying a room corner extending axially along an interface between a wall and a floor, has a shrouded housing having an axial...
7249931 High efficiency air conditioner condenser fan with performance enhancements  
Twisted blades for outdoor air conditioner condensers and heat pumps that improve airflow efficiency to minimize operating power requirements. The blades can run at approximately 850 rpm to...
7201562 Fan with central intake  
A fan with central intake comprises a fan frame, a fan wheel and a fan motor. The fan frame provides a hub seat with an annular spacing for fluid flowing through and a joining part at the center...
7150599 Frame structure for fan unit  
A fan frame (10) for encircling an impeller (20) of a fan unit is disclosed. The fan frame includes a base (11) and a plurality of sidewalls (12) extending from the base. The base defines a hole...
7134835 Process for manufacturing a stator for vacuum pump and stator obtained thereby  
A process for manufacturing stators of vacuum pumps, and stators obtained thereby, wherein a plurality of stator discs or rings are formed, preferably by pressing, and then stator discs or rings...
7118344 Wind power plant for generating energy  
A wind power system (1) for generating power is proposed, comprising a rotor which is axially flowed through, is rotatably held on a shaft (2) and is provided with blades (3), as well as a guide...
7029229 Axial flow fan  
An axial flow fan of high efficiency and low noise level is provided. The fan includes a motor, an impeller having a plurality of blades around a hub fitted to the motor, and a fan casing having...
7018169 Fluid flow control apparatus  
A device for controlling a fluid flow is disclosed. The device includes at least two fluid flow drivers, a plenum disposed to receive a fluid flow from the at least two drivers, and a baffle...
6877953 Gas turbine  
A gas turbine with a compressor area has a rotor shaft 2 to carry rotor blades 1 and a casing 4 to carry stator vanes 3, with the related rotor blades 1 and stator vanes 3 forming an axial...
6866479 Exhaust diffuser for axial-flow turbine  
An axial-flow turbine has an exhaust diffuser including a hub-side tube and a tip-side tube. In the exhaust diffuser, front struts and rear struts are placed to cross a flow of working fluid. A...
6827547 Engine cooling fan having improved airflow characteristics  
A stator and diffuser assembly is introduced between an engine cooling fan and engine. The stator acts increase the static efficiency per unit airflow of the axial fan by reducing the rotational...
6814542 Blower especially for ventilating electronic devices  
The invention relates to a blower, especially for a personal computer. The air of the invention is to reduce the noise produces by such a blower. To this end, the inventive blower comprises: a) a...
6802691 Maintainable compressor stability bleed system  
The present invention relates to an axial flow rotary machine and to a maintainable compressor bleed system therefore. The axial flow rotary machine comprises a primary flow path for a working...
6776578 Winglet-enhanced fan  
Small winglets placed at the outer end of each fan blade substantially reduce the vortices created in conventional fans by the pressure differential between the low pressure and high pressure...
6736594 Axial-flow type hydraulic machine  
In an axial flow hydraulic machine, a plural number of grooves 5 are formed on an inner surface of a casing, directed into a pressure gradient direction, for connecting between an inlet side of an...
6705829 Cover for LP first stage diaphragm and method for improving inflow to first stage diaphragm  
A cover is provided to conceal the forward-facing step defined by the protrusion of the first stage diaphragm into the LP inlet. The cover presents a smoothly contoured surface to the flowing...
6692225 Liquid pressing device  
A liquid pressing device includes mainly a power device consisting of a motor with a spindle, an upper cap on the motor and a lower cap under the motor, a shell for containing the power device, a...
6565315 Rotation device  
A rotation device including first and second passages and a rotor shaft with a rotor which connects onto the first passage with a third passage which branches into rotor channels from the third to...
6558116 Gas-cooled machine, in particular a turbo-generator  
A turbo-generator comprising a shaft, on which is positioned an axial ventilator, a cover that divides an inflow chamber for a cooling gas transported by the axial ventilator from an outflow...
6540482 Turbo-type machines  
A turbo-type machine, comprising a casing 2 storing an impeller within an inside thereof, and a plural number of grooves formed on an inner surface of the casing in a direction of pressure...
6533546 Low-pressure steam turbine with multi-channel diffuser  
An axial/radial three-channel diffuser is provided with two guide vanes for dividing the diffuser into three partial diffusers that are distributed so that the distribution of the surface area...
6517315 Enhanced performance fan with the use of winglets  
Small winglets placed at the outer end of each fan blade substantially reduce the vortices created in conventional fans by the pressure differential between the low pressure and high pressure...
6375418 Heat sink-equipped cooling apparatus  
A heat sink-equipped cooling apparatus capable of increasing a size of an air discharge port as compared with a prior art. A fan unit is mounted on a heat sink. The heat sink includes a base...
6338609 Convex compressor casing  
A compressor casing includes an axially convex inner surface for surrounding a row of rotor blades with radial gaps therebetween. The tip of the blades complement the casing contour for reducing...
6312216 Multiphase turbo machine for improved phase mixing and associated method  
The invention is a device and method which varies the pressure of a multiphase fluid comprising at least one liquid phase and at least one gaseous phase. The device comprises a housing, a hub, a...

Matches 1 - 50 out of 115 1 2 3 >