Matches 1 - 50 out of 68 1 2 >


Match Document Document Title
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...
7794196 Guide-case for water turbine  
Guide case (24) for use in conjunction with a water turbine (20), with a helical top wall (35) of the annular chamber (27) extended downstream of the inner wall (39) of the inlet port (30). The...
7600963 Fluid energy converter  
Embodiments include apparatus and methods of fluid energy conversion. One embodiment relates to a tube for a fluid energy converter. The tube may include a generally cylindrical and hollow body...
7497657 Beam jet propellor  
A beam jet propeller is provided, especially a beam jet propeller which increases the friction force of the fluid by spiral or linear diversion protrusions or diversion grooves on the inner wall of...
7407372 Progressing cavity pump or motor  
A progressing cavity pump or a motor includes, in one embodiment, an outer tube 12, an inner tube 14, and a plurality of apertures 16. A pair of annular seal glands 18 seal the stator material to...
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...
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 pump...
7165933 Screw pump for transporting emulsions susceptible to mechanical handling  
A screw pump for transporting a viscous product is described comprising a cylindrical housing connected to a removable bottom piece in one end and a removable cap in the opposite end, a rotor...
7131827 Stator for an eccentric screw pump or an eccentric worm motor operating on the moineau principle  
The invention relates to a stator for an eccentric screw pump or an eccentric worm motor, including an outer tube that is provided with a lining of rubber or a rubber-like material and has a hollow...
7018170 Ribbon drive pumping apparatus and method with added fluid  
A ribbon drive pumping apparatus and method for substantially incompressible fluids, such as liquids, is disclosed. The pump has an extended tube having an intake at a first end and an outlet at a...
6835043 Hydraulic turbine feed tank  
An installation comprising a turbine equipped with a wheel rotatable about an axis (X-X′), and a tank feeding the turbine. The feed tank having, projecting on a plane globally perpendicular to t...
6626638 Ribbon drive power generation for variable flow conditions  
The ribbon drive generation apparatus is comprised of a ribbon-like curved shape, composed either of metal or other suitable material, attached to a central axle with the complete apparatus being...
6612804 Swirling compressor  
A swirling compressor comprises a number of swirling tubes and a motor, each swirling tube has a fixture at a center portion with a flange bulging out from one side and a hole at the other end of...
6554799 Biological precision screw pump  
The present invention provides a suction and injection pump capable of transferring a sufficient amount of viscous liquid even with a very thin suction and injection pipe, thereby enabling suction...
6419444 Screw groove type vacuum pump, complex vacuum pump and vacuum pump system  
A screw groove-type pump has a rotor member mounted for undergoing rotation, a stator member arranged so as to be coaxial with the rotor member and having a peripheral wall disposed opposite to and...
6375413 Vacuum pumps  
A vacuum pump for pumping gas from a pump inlet to a pump outlet, comprising a rotor and a stator body in which the rotor is adapted for rotation and including at least two molecular drag stages...
6367247 Air engine  
Apparatus for supplying high pressure gas to an engine, to operate the engine, including in combination a gas pressurizer having a low gas pressure inlet to receive inlet gas, as for example...
6357997 Ribbon drive power generation apparatus and method  
A ribbon drive power generation system and method is disclosed. The system is equipped with an extended tube having an intake at a first end and an outlet at a second end. A ribbon formed of...
6273673 Ball turbine  
A turbine method and apparatus having a stator and rotor mounted for rotation relative to the stator. The stator has at least one groove facing the rotor and the rotor has at least one groove...
6227796 Conical stacked-disk impeller for viscous liquids  
One or more improved pump impellers are provided and are rotationally supported in a pump having one or more stages. The improved impeller comprises a fluid induction core of flow passages...
6013140 Laser hardening of screw forms  
A harden screw form and methods of making same for use with, for example, positive displacement rotary axial screw pumps are disclosed. The methods include the use of a CNC machine with a laser and...
5885057 Method and apparatus for using nucleate steam bubbles in steam and/or gas compression  
A turbine apparatus having a stator and a rotor mounted for rotation relative to the stator. The stator has at least one groove facing the rotor and the rotor has at least one groove facing the...
5878808 Rotating heat exchanger  
A rotating heat exchanger (10) has a first air turbine (16) connected to a first end of an axle (20). The second end of the axle (20) is connected to a second air turbine (18). A heat pipe (30, 40,...
5694771 Drive mechanism  
The variable speed drive mechanism includes an input member (17) and an output member (18), each rotatable within a housing (11) filled with fluid. The input and output members each have helical...
5632597 Thread groove type vacuum pump  
A thread groove type vacuum pump in which the gap between a rotor and a stator is not subjected to any influence of the rotor temperature and thus the pumping performance does not deteriorate...
5312224 Conical logarithmic spiral viscosity pump  
A rotary viscosity pump is provided that has a housing and an impeller. The housing has a conical chamber with an outlet at a narrow end of the chamber. The impeller has a conical section with a...
5297925 Water column floating pump  
This new invention, the water column floating pump, is a fluid pump which uses a rotationally symmetric container to pump fluid from an inlet reservoir to the outlet end of the rotationally...
5281086 Pump for viscous fluids  
The invention is directed to a pump for pumping a viscous fluid. The pump includes a stator body and a rotor body rotatably mounted in the stator body so as to be coaxial therewith. The stator body...
5275091 Apparatus for aseptically processing a food product  
An apparatus for continuously aseptically processing a food product comprising delicate food chunks of fruit, vegetables or the like immersed in a liquid. The apparatus comprises a heating...
5102294 Screw pump  
A screw pump for feeding highly viscous material such as mixed concrete and the like. Plural projections engage the helical screw of the screw pumps to facilitating removal of the material such as...
4978276 Pump stage for a high-vacuum pump  
A high-vacuum pump includes a plurality of pump stages, each of which has a rotor and a stator. In one of the pump stages, either the rotor or the stator is provided with a structure that effects...
4910973 Portable ice cream machine  
A machine for making ice cream and the like, having a receptacle for receiving liquid ingredients to be used for making the ice cream. A mixing chamber is provided which has an egress from which...
4830865 Method for aseptically processing a food product  
A method and apparatus are disclosed for continuously and gently aseptically processing a food product comprising delicate food chunks of fruit, vegetables or the like immersed in a liquid. The...
4789299 Liquid and air pump B  
A compressor pump for conveying fluids is provided and consists of an electric motor driving a cone-shaped impeller within a stationary casing affixed to a stationary stand in which fluids entering...
4770606 Centrifugal compressor  
A centrifugal compressor having a rotor driven by a motor for rotation about a shaft which is provided at its one end with an inlet opening of the gas to be compressed and on its opposite end with...
4481020 Liquid-gas separator apparatus  
A centrifugal liquid-gas separator apparatus which is particularly adapted for use downhole with a submergible pump comprises an elongated hub having disposed on its periphery helical blades...
4456437 Refrigerant compressor  
A refrigerant compressor for use in refrigerators, air conditioners, heat pumps or the like apparatus. The refrigerant pump has a casing which encases a combination of a compressor and an electric...
4245949 Archimedean screw pumps  
An improved form of archimedean screw pump is disclosed comprising a pump cylinder having an internal helicoidal vane portion affixed to the said pump cylinder by its circumferential helical edge...
4239449 Screw pump construction  
A hydraulic screw pump is provided having a rotatable screw which may comprise a helical blade disposed within an enclosed full or open half cylinder. In half-cylindrical constructions the helical...
4193737 Fish pump  
A fish pump is described for pumping live fish in water from one location to another. The pump is designed specifically for pumping live fish without injuring the fish. Of special significance is...
4170436 Screw pumps with modular construction  
An archimedean screw pump is described comprising a cylindrical wall having at least one internal helicoidal vane fixed within it. The pump is built up from a plurality of like modules having...
4160569 Bearing support for a lift pump  
A bearing structure for supporting at least one end of the cylindrical housing of a cylindrical lift pump for handling large volumes of fluid, particularly sewage, and, in particular, to bearings...
4111599 Centrifugal pump for viscous media  
The present invention is directed to a centrifugal pump of the type including an essentially conical rotor having a helical vane increasing in diameter from its entrance end to its discharge end;...
3880548 Ink pump  
There is disclosed a printing, feeding and severing method and apparatus for carrying out the method. The apparatus includes a print head assembly and a platen assembly movable relatively toward...
3809491 CENTRIFUGAL PUMP STRUCTURE  
A tube progressively decreases in sectional area from an inlet to an outlet while spiraling outwardly. The tube is affixed within a bell rotatable on a housing which has an intake chamber adjacent...
3767321 SEAL MEANS FOR AXIAL FLOW PUMP AND THE LIKE  
Disclosed is means for preventing leakage from about the shaft of an axial flow pump, the shaft extending through a housing wall. The means includes a sleeve for the shaft which is fixed at one end...
3746350 SEALING ASSEMBLY WITH PUMP DEVICE  
A sealing assembly for a rotatable shaft, wherein a cooling, lubricating, or buffer medium is circulated by means of an external thread on a rotatable member and an internal thread in a...
3723019 MEANS TO OVERCOME LOW FLOW PROBLEMS OF INDUCERS IN CENTRIFUGAL PUMPS  
A centrifugal pump having a suction inlet, a discharge outlet and at least one pumping stage with an impeller in direct communication with the suction inlet has an inducer means in the suction...
3704076 SCREW FEEDER FOR PASTE-LIKE MATERIALS  
A screw feeder used for batching paste-like materials, having batching and charging chambers, the batching chamber accommodating a screw conveyor used to displace the material and having a...
3697190 TRUNCATED CONICAL DRAG PUMP  
High pressure low volume rate drag pump having a frusto-conical rotor cooperating with a frusto-conical stator wall and having close clearance with the stator wall. The rotor has a helical channel...
Matches 1 - 50 out of 68 1 2 >