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Match Document Document Title
7614844 Vacuum pumping arrangement  
A regenerative pumping mechanism comprises a rotor having a series of blades positioned in an annular array on one side of the rotor, and a stator having an annular channel within which the blades...
7553124 Pump for pumping high-viscosity liquids, slurries, and liquids with solids  
The present invention is a centrifugal pump that pumps high-viscosity liquids, slurries, and solids-containing liquids. The pump has a housing, a chamber formed within the housing, a first...
7553123 Annular support for rolling bearings  
A support ring ( 1 ) for rolling bearings ( 11 ), especially for rolling bearings applied to rotors with very high rotation speed, such as rotors of rotary vacuum pumps, the ring comprising a pair...
7500822 Combined vacuum pump load-lock assembly  
A load-lock and dry vacuum pump assembly includes a load-lock having a load-lock housing, the load-lock housing includes a mating system having a flange-like cylinder and a cylinder concentrically...
7500821 Vacuum pump  
A vacuum pump including a tempering component arrangeable between the suction side flange of the pump and the connection flange of a recipient and having a tempering element.
7478990 Bracket/spacer optimization in bladeless turbines, compressors and pumps  
A bracket/spacer design in a bladeless turbine, compressor or pump comprising of a hub for axial mounting and one or more arms connected to the hub. This bracket/spacer configuration contributes in...
7445422 Hybrid turbomolecular vacuum pumps  
A hybrid turbomolecular vacuum pump includes a housing having an inlet port and an exhaust port, one or more axial flow stages located within the housing, each of the axial flow stages including a...
7404698 Turbomolecular pump with static charge control  
The present invention relates to turbomolecular vacuum pumps and an arrangement for reducing or eliminating an accumulated static charge in the rotor caused by an interaction of the rotor with...
7390164 Fixing structure for fixing rotor to rotor shaft, and turbo molecular pump having the fixing structure  
Provided are a fixing structure for fixing a rotor to a rotor shaft, in which the contact state of the contact surfaces of the rotor shaft and the rotor is stabilized to thereby maintain the...
7379301 Integrated liquid cooling system  
An integrated liquid cooling system for removing heat from a heat-generating component includes a base ( 10 ), a pump ( 20 ) mounted in the base and a heat-dissipating member ( 30 ) communicating...
7341424 Turbines and methods of generating power  
The present invention relates generally to systems and methods for facilitating the movement of fluids, transferring mechanical power to fluid mediums, as well as deriving power from moving fluids....
7341423 Molecular pump and connecting device  
A flange of a molecular pump is connected to a vacuum vessel by first bolts that extend through elongate holes in the flange and are bolted to the vacuum vessel. One or more buffering members are...
7311491 Molecular drag, turbomolecular, or hybrid pump with an integrated valve  
A molecular drag, turbomolecular, or hybrid turbo/drag pump ( 5 ) of the invention has an outlet stage with a cylindrical peripheral wall ( 17 ) and a radial outlet orifice ( 23 ) passing through...
7303062 Bulk material pump feeder with reduced disk jamming  
A bulk materials pump feeder having a housing and a rotating drive rotor for transferring material from an inlet to an outlet of the housing. The drive rotor has a hub. Drive disks extend away from...
7293955 Supersonic gas compressor  
A gas compressor based on the use of a driven rotor having a compression ramp traveling at a local supersonic inlet velocity (based on the combination of inlet gas velocity and tangential speed of...
7280950 Locomotive diesel engine turbocharger and turbine stage constructed with turbine blade vibration suppression methodology  
A method for fabrication of a locomotive diesel engine turbocharger turbine stage so as to avoid harmonic vibration in the turbine blades when the engine is operated at pre-selected throttle...
7264439 Evacuating device  
A device ( 1 ), for evacuating a chamber to pressures in the high vacuum range includes a suction-side vacuum pump ( 2 ) and an atmospheric-pressure-side vacuum pump ( 3 ). The suction-side vacuum...
7241106 Combined cycle boundary layer turbine  
A two staged fluid propulsion apparatus of the type which utilizes prior art pitched blades combined with solid boundary layer disks supported by a novel rotating tubular flow conduit perforated to...
7223064 Baffle configurations for molecular drag vacuum pumps  
A molecular drag compressor includes a rotor disk coupled to a drive shaft for rotation about an axis, a stator disposed about the rotor disk, the stator defining a tangential flow channel, an...
7192244 Bladeless conical radial turbine and method  
Turbo-machinery and methods are disclosed for a bladeless conical radial turbine wherein fluid is directed axially within the pump body to produce an axial output. The rotor comprises a plurality...
7165931 Compact molecular-drag vacuum pump  
A molecular drag vacuum pump configured for pumping a gas stream from an inlet to an outlet, the pump including a high-speed spinning disk or rotor disposed within a housing. A passageway is formed...
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...
7128528 Bearings for CO2 refrigerant compressor use, compressor using the same, and applications of the same  
The object of the present invention is to provide: high-reliability and long-life CO 2 refrigerant compressor-use bearings that uses bearing materials high in wear resistance and in baking...
7097416 Rotary disc pump  
A rotary disc pump for pumping fluid materials, comprises a housing having a front and a back wall forming a chamber with a generally coaxial inlet in the front wall and a generally tangential...
7086827 Turbo molecular high-vacuum pump with a circular intake area  
In a turbo-molecular pump with a high vacuum-side induction area and of a rotational symmetrical arrangement, comprising a compressor turbine including a rotor and a stator tube having axially...
7059828 Gas friction pump  
A gas friction pump, comprising stationary pump-active components ( 14 ) and rotatable pump-active components ( 15 ) secured on a rotatable rotor shaft ( 4 ), wherein the rotor shaft is supported...
7059823 Molecular pump equipped with flange having buffering portion  
A molecular pump has a casing having a gas inlet port and a gas discharge port, a stator disposed within the casing, a shaft disposed in the casing concentrically with the stator, a bearing...
7033132 Bladeless pump  
A pump which is bladeless, and uses a substantially cylindrical outer cylinder to rotate inside a ridged inner chamber.
7021888 Ultra-high speed vacuum pump system with first stage turbofan and second stage turbomolecular pump  
An ultra-high speed vacuum pump evacuation system includes a first stage ultra-high speed turbofan and a second stage conventional turbomolecular pump. The turbofan is either connected in series to...
7011491 Friction vacuum pump  
A friction vacuum pump ( 1 ) comprises a fixed element ( 7 ) bearing rows of stator blades ( 3 ) and a rotating element ( 6 ) bearing rows of rotor blades ( 2 ). The rows of stator blades and rotor...
7008176 Molecular speed and direction selection  
A technique of generating a flow from a gas. The technique includes the steps of selecting molecules from the gas on a nanoscopic or microscopic scale, and generating the flow from the selected...
6973792 Method of and apparatus for a multi-stage boundary layer engine and process cell  
A multi-staged boundary layer engine and process cell, (based on the effect known as adhesion and viscosity) which achieves high thermal efficiencies and high mechanical power output for use in the...
6953317 Turbo-molecular pump  
A very safe and reliable turbo-molecular pump has been developed so that if an abnormal condition should develop on the rotor structure, it will not lead to damage to the stator or pump casing to...
6932564 Heteroscopic turbine  
A heteroscopic turbine with a Knudsen number of less than ten. In one embodiment, the heteroscopic turbine generates a flow from a gas. The turbine includes at least a moving surface and a...
6926493 Turbo-molecular pump  
A turbo-molecular pump of high safety and reliability was presented, so that if an abnormal condition should develop on the rotor side, it will not lead to any damage to the stationary portions...
6918741 Molten metal pump impeller system  
An impeller system for use in a molten metal pump, the impeller system including a generally cylindrical outer wall with outlets therein, an impeller lid mounted on the impeller walls, the impeller...
6890146 Compound friction vacuum pump  
A friction vacuum pump ( 1 ) has at least one turbomolecular pump stage ( 6, 7 ) with a molecular pump stage ( 12, 13, 15 ) that is subsequently connected on the pressure side ( 3 ), and with a...
6890145 Vacuum pump  
A vacuum pump has a pump case having a gas suction port at an upper surface thereof, a rotor shaft mounted in the pump case for undergoing rotation, and a rotor connected to the rotor shaft for...
6887032 Turbo/drag pump having a composite skirt  
There is provided a rotor for a turbo/drag vacuum pump, the rotor comprising an upstream rotor segment of the turbine type made of metal or alloy, and a downstream rotor segment of Holweck type...
6877949 Pumping stage for a vacuum pump  
A pumping stage for a vacuum pump, has an improved geometry allowing an optimum trade-off to be achieved between the exhaust pressure and the pumping rate attained in that stage. In the pumping...
6870288 Rotary electric machine  
In a vehicle alternator having a stator, a rotor, and frames, a disc group is fixed to an axial end surface of a magnetic pole core of the rotor for creating the flow of cooling air. The disc group...
6866472 Vacuum pump  
A vacuum pump has a rotor mounted to undergo rotation about a rotational axis. A cylindrical base member surrounds a lower outer periphery of the rotor. A cylindrical pump case surrounds an upper...
6854956 Turbo-molecular pump  
A turbo-molecular pump has a main body and a pump case for covering the main body. A first flange is integrally formed with the pump case for connection to a second flange integrally with a vacuum...
6840736 Vacuum pump  
Vibrations generated by a vacuum pump are prevented from propagating to external equipment such as an electron microscope. A casing (a separate casing portion and a casing main body) that houses a...
6832888 Molecular pump for forming a vacuum  
A molecular pump for exhausting a chamber has a casing, a stator mounted in the casing, and a rotor mounted in the casing for undergoing rotation relative to the stator during exhaustion of the...
6832887 Bulk material pump feeder  
A bulk materials pump feeder having a housing and a rotatable drive rotor mounted in the housing for transferring material introduced into the housing through an inlet to an outlet for discharge of...
6814550 Vacuum pump with vibration absorber  
A vacuum pump ( 1 ) includes a housing ( 2 ) in which a suction inlet opening ( 5 ) is defined. A vibration absorber ( 7 ) includes a suspension body ( 8 ) and an absorber jacket ( 9 ). The housing...
6814536 Vacuum pump  
The present invention provides a vacuum pump which reduces a damaging torque produced when a rotor rotating at high-speed crashes into a screw stator or the like. The vacuum pump has a rigid ring...
6802693 Vortex attractor with vanes attached to containing ring and backplate  
A vortex generating apparatus has the capability of attracting and removably adhering one or more solid objects. The apparatus comprises an impeller housed within a shell. The vortex attractor...
6779969 Vacuum pump  
A thread-groove pump mechanism portion PB employs a turn-back structure including a rotor formed of a multiple cylinder having an inner cylindrical rotor and an outer cylindrical rotor and a stator...
Matches 1 - 50 out of 447 1 2 3 4 5 6 7 8 9 >