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7566199 |
Turbo pneumatic cylinder of pneumatic tool
A turbo pneumatic cylinder of a pneumatic tool, including a front turbine, a one-way rotatable inverse turbine and a rear turbine. The front and rear turbines are mounted on the rotary shaft of the...
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7537430 |
Stacked reaction steam turbine rotor assembly
Disclosed herein is a rotor assembly for a steam turbine. The steam turbine includes a retention portion having a stacked rotor section. The steam turbine further includes a first shaft end...
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7419354 |
Centrifugal pump with screw pump accelerator
Method and apparatus for pumping drilling fluid (mud) containing drill cuttings, comprising a centrifugal pump with screw pump accelerator. The screw pump creating positive pressure for centrifugal...
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7367775 |
Apparatus and method for optimizing vibration of a gas turbine
A rotor comprising several blades rotating together with the rotor, particularly running blades, and the blades forming at least one blade ring, is disclosed. The blades within the, or each, blade...
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7322792 |
Cooling fan without returning flow
A cooling fan without returning flow comprises a motor stator, a frame and a motor rotor. The frame is joined to the stator with a support device at the inlet side thereof. The motor rotor is...
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RE39774 |
Fan guard structure for additional supercharging function
A fan guard has a function of supercharging a fan in addition to supporting a rotor device is disclosed. The fan guard is to be mounted beside the rotor device for supporting the rotor device, and...
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7238004 |
Serial fan with a plurality of rotor vanes
A serial fan includes a frame, a plurality of rotor vanes, at least one motor for driving the rotor vanes and a support connected to the frame through a plurality of connecting parts for receiving...
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7204326 |
Drilling turbine
A turbine is disclosed which includes a turbine blade housing having an inner facing portion of a first material having a first coefficient of expansion, and a turbine blade body having an outer...
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7134839 |
Radial-flow heat-dissipating fan with increased inlet airflow
A radial-flow heat-dissipating fan includes a casing and a cover mounted to a side of the casing. The casing includes a compartment and a side air outlet, and the cover includes an air inlet. A...
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7059830 |
Axial-flow serial fan
This specification discloses a serial fan comprising a plurality of rotor vanes, one or more supports and a frame. Each of the rotor vanes comprises an inlet, an outlet, and one or more blades....
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7056086 |
Steam turbine including a high-pressure body having a single state of blades
A steam turbine 1 constructed in accordance with the present invention comprises a high-pressure module 2 and a low-pressure module 3 , a speed-reducing gearbox 4 , and an alternator, and...
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7029233 |
Modulator water dynamometer
A modular waterbrake that can be used with differing types and sizes of rotating machines includes common end stages, and a plurality of common intervening power stages. Each power stage will...
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6854954 |
Methods and apparatus for assembling turbine engines
A method for assembling a power system is provided. The method includes coupling a first turbine and second turbine together with a coupling that extends between a first rotor of a first turbine...
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6851927 |
Fluid-flow machine with high-pressure and low-pressure regions
A fluid-flow machine includes an outer casing having a rotationally mounted rotor with three blade regions. The blade regions are divided into an inner blade region and two outer blade regions, the...
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6796858 |
Stator vane and impeller-drive shaft arrangements and personal watercraft employing the same
The invention is directed to a thick stator vane that effects continuous acceleration of the water stream within the jet pump, a non-uniform spacing of stator vanes or impeller blades to reduce...
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6754076 |
Stackable liquid cooling pump
Electronic system components are cooled using a field configurable pump comprising a selectable plurality of identical or nearly identical modular pump units. The pump units are disposed in a...
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6739846 |
Stacked redundant blowers
A fluid moving system is disclosed wherein a plurality of stacked blowers may provide for the redundant supply of cooling fluid such as air. This system may be advantageously utilized to cool...
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6722847 |
Fan for a turbofan gas turbine engine
A fan ( 22 ) for a turbofan gas turbine engine ( 10 ) comprises a fan rotor ( 24 ) carrying a first set of circumferentially spaced radially extending fan blades ( 28 ) and a second set of...
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6626653 |
Backup heat-dissipating system
Disclosed is a backup heat-dissipating system having a serial fan which can be assembled easily, fastly and conveniently, and can effectively eliminate the interference between fans and prevent the...
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6575714 |
Submersible pump and sprinkler system
An electrical non-priming submersible pump including a motor assembly that has a motor coupled to a shaft. The shaft has impellers formed thereon for propelling water. Also included is a housing...
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6547514 |
Technique for producing a high gas-to-liquid ratio fluid
A technique for facilitating the movement of multi-phase fluids. The technique utilizes a compressor pump and a production pump. The compressor pump compresses a fluid to remove vapor phase and...
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6499946 |
Steam turbine rotor and manufacturing method thereof
A steam turbine rotor having a combination of at least one of a high pressure rotor, an intermediate pressure rotor and a low pressure rotor, which are each formed from a metal material of...
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6474939 |
Cell for pumping a multiphase effluent and pump comprising at least one of the cells
A cell for pumping a multiphase effluent includes two rotary parts ( 4-5 ), the first one ( 4 ) having a hydraulic wheel designed for transmitting kinetic energy to each of the multiphase effluent...
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6471474 |
Method and apparatus for reducing rotor assembly circumferential rim stress
A rotor assembly for a gas turbine engine operates with reduced circumferential rim stress. The rotor assembly includes a rotor including a plurality of rotor blades extending radially outward from...
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6379113 |
Propeller apparatus
A multi-stage propeller assembly including a barrel having a cylindrical actuation part and a tapered nozzle part, with the tapered nozzle part integrally extending from the cylindrical actuation...
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6312220 |
Air turbine motor
An air turbine motor has a turbine wheel mounted for rotation in a housing. A first set of elements distributed around the circumference of the turbine wheel drive the wheel in rotation in response...
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6302641 |
Multiple type vacuum pump
A multiple-type vacuum pump has a simple construction and superior durability. The multiple-type vacuum pump has the capacity to perform air evacuation at high velocities in the low to high vacuum...
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6273672 |
Two-phase helical mixed flow impeller with curved fairing
A compression or expansion two-phase helical mixed flow impeller (1) comprising one or more vanes (3) mounted on a boss, a cover (4) or fairing mounted on the outer part of the vanes, the assembly...
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6267554 |
Cooling water pump
A high conveying capacity cooling water pump for an internal combustion engine includes a bearing element, a rotor which is held therein and carries three impellers, an inflow housing and an...
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6168374 |
Friction vacuum pump
The present invention relates to a friction vacuum pump having at least one turbomolecular pump stage (2) joined at its pressure side to a screw pump stage (4). In order to improve the pump...
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6145300 |
Integrated fan / low pressure compressor rotor for gas turbine engine
An integrated fan and low pressure compressor rotor having a hub with a circumferential array of primary blades. Each primary blade has a forward fan blade portion housed in the engine inlet...
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6126385 |
Wind turbine
A wind turbine for generating power comprising one or more blades mounted to a shaft for rotational movement in response to an airflow, a housing having a generally central longitudinal axis, the...
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6099249 |
Structure of output section of jet propulsion engine or gas turbine
A tandem blade lattice having characteristics enhanced is provided. In a high pressure ratio blade lattice, inevitable generation of an shock wave is shifted, as much as possible, toward a rear...
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6074166 |
Pump
The pump is formed by pump housing defining a pump housing cavity and a column housing defining an elongated cavity. The front of the column housing is coupled to the rear of the pump housing...
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5791873 |
Multi-stage blade system
A multi-stage blade system of an axial flow turbo machine includes a wall (10, 11), which is on either the rotor side, the stator side, or both, which bounds the flow through the channel through...
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5755554 |
Multistage pumps and compressors
A multistage pump or compressor includes a series of axial flow stages. Each stage comprises an impeller for imparting whirl to the pumped fluid in one direction and a stator including vanes for...
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5605439 |
Drainage pump
A drainage pump 1 comprises a pump housing 40 defining a suction inlet 42, a pumping chamber 44 and a delivery outlet 46, and a cover 32. An impeller 50 accommodated in the pump housing is driven...
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5253977 |
Multistage pump for two-phase effluents
The axial pump makes it possible to deliver a fluid having a double gaseous-liquid phase at high flow rates. It is constituted by a one-piece rotor comprising a hollow shaft (10) onto which are...
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5197856 |
Compressor stator
A compressor stator includes an axial centerline axis and has a unitary annular outer case and a plurality of circumferentially spaced outer hooks extending radially inwardly therefrom. A...
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5088892 |
Bowed airfoil for the compression section of a rotary machine
An airfoil for a compression section 12 of a rotary machine 10 is disclosed. Various construction details are developed to increase the efficiency of the compression section 12. In one detailed...
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4886418 |
Blower for delivering cooling air to internal combustion engines
A single stage axial blower design provides a series of blowers producing a wide range of delivery flow rates even though they have the same outer dimension, drive speed and guide wheel. This is...
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4744726 |
Turboset with at least one low-pressure turbine stage having an outer housing and an inner housing coaxial thereto, and with high-pressure and/or medium-pressure turbine stage
Turboset includes a horizontal, heat-movable lug mounting of an inner housing of the respective low-pressure turbine stage on lug arms structurally combined with a vacuumtight leadthrough of...
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4716721 |
Improvements in or relating to gas turbine engines
The casings of gas turbine engines are subject to loadings which distort the casing and adversely affect the running clearance between rotating and static components contained within the casings....
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4678400 |
Rotary means for use as a heat source
This invention relates to rotary means equipped with multistage fans having excellent air suction and discharge effect. The multistage fans are spaced from each other disposed perpendicularly in a...
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4655680 |
Continuous blade axial-flow friction drag pump
An axial flow pump includes multiple axially extending friction drag impellers formed of multiple nestled smooth continuous surface shells having a generally truncated spheroid configuration...
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4655681 |
Seal-less pump
A multi-stage metallic pump or chemical pump with plural impellers arranged in series. The impeller of the 1st-stage is integrally provided with radial flow ribs on the under surface of the...
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4545726 |
Turbine
A turbine which rotates in the same directional sense for both directions of throughflow of a working medium contains rotor blades possessing an aerofoil-shaped profile which at least over a...
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4531887 |
Continuous blade multi-stage pump
A multi-stage axial flow pump includes multiple axial positioned impellers formed of multiple nestled smooth continuous surface blades having a generally truncated spheroid configuration defining a...
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4435121 |
Turbines
A full admission radial impulse turbine and turbines with full admission radial impulse stages.
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4293273 |
Axial-flow reversible turbine
An axial-flow reversible turbine comprises a nozzle assembly and a wheel rotor mounted consecutively in the direction of the flow of the working medium and provided with two-section blades. One...
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