Matches 101 - 150 out of 307 < 1 2 3 4 5 6 7 >
Match Document Document Title
5667360 Radial impeller for a cooling system of a motor vehicle  
A fan for a cooling system of a motor vehicle has a closed impeller with a plurality of radial vanes, each of which is provided with an essentially radially oriented vane base. The radial vanes...
5628616 Downhole pumping system for recovering liquids and gas  
A downhole pumping system for recovering liquids and gas, comprising a first centrifugal pump having internal features for mixing introduced gas into introduced liquids, and a second centrifugal...
5591008 Fan impellers  
An impeller for a fan comprising a hub for rotation by a drive rotor and a plurality of fan blades for rotation with the hub, the impeller further comprising a support or guide member supporting or...
5590467 Method of making a blast wheel  
The bolt-together wheel consists of a pair of side plates separated from one another by cylindrical spacers. The spacers are connected to the side plates by shearable bolts where the head of the...
5588803 Centrifugal impeller with simplified manufacture  
A centrifugal blower impeller has wide, backwardly inclined blades of the type that require the addition of a locking ring in order to stiffen and stabilize the blade tips. The blade tips and...
5573374 Monolithic shrouded impeller  
A high strength, forged monolithic shrouded impeller is made from a single forged blank by a method that includes the following four steps: Turning and boring a rough forging to an impeller...
5570998 Impeller structure of closed type centrifugal pump  
An impeller structure of a closed type centrifugal pump suitable for inelastic fluids such as an engine coolant, comprises front and rear shrouds having a driven connection with a pump drive shaft,...
5558499 Centrifugal blower wheel with backward curved blades  
According to this invention, there is provided a centrifugal blower wheel with backward curved comprising a disk, a shroud and a plurality of airfoil shaped blades. By separating the blades into...
5551837 Apparatus for regulating the transport flow of a liquid that is circulated by a centrifugal pump in a closed pipe system  
In a closed pipe system, the apparatus regulates the transport flow of a liquid that is circulated by a centrifugal pump. The pump has a characteristic curve that falls in the direction toward zero...
5542817 Impeller for a rotary pump  
Notches in the impeller cooperate with balancing holes therein, and a liquid-receiving slot, to direct liquid across the leading edges of impeller vanes to flush away any accreted substances...
5540550 Solid impeller for centrifugal pumps  
A solid impeller is disclosed having a disk-shaped impeller body having an inlet section extending along the impeller axis of rotation. A plurality of discharge passages extend radially and having...
5538395 Thermoplastic pump rotor  
A pump rotor for displacing fluids includes a cover and a bottom part having blades. Both the bottom part and the cover are formed by injection molding of thermoplastic materials, preferably...
5478206 Impeller for a radial fan  
An impeller for a radial fan comprises a hub, a plurality of rotor blades each curved three-dimensionally at least within some areas, each of the rotor blades having a center part which extends...
5478201 Centrifugal fan inlet orifice and impeller assembly  
An inlet orifice structure and impeller assembly for a centrifugal flow fan. The inlet orifice has an elliptical cross section in a plane passing through the axis of rotation of the fan. The...
5478200 Centrifugal pump impeller  
A centrifugal pump impeller for delivering solids-containing media includes a blade having a beginning portion. In the plane of the middle blade surface, there is, in front of the blade beginnings,...
5423715 Bolt-together blast wheel  
The bolt-together wheel consists of a pair of side plates separated from one another by cylindrical spacers. The spacers are connected to the side plates by shearable bolts where the head of the...
5368443 Blade wheel for a centrifugal pump  
A blade wheel for a centrifugal pump has at least two blade discs spaced along an axis of rotation of the discs. At least one row of generally radial blades extends between the blade discs and is...
5336050 Ventilator fan device  
A ventilator fan device including a male wheel, a female wheel and arcuate blades. The male wheel forms an end plate having an axis of rotation. The end plate includes a hub for mounting the wheel...
5328332 Wheel fan of range hood  
A wheel fan of a range hood used in the kitchen having improved blades and mechanisms for locating a top plate, which includes blades, a top plate sinking inwardly like a bowl, a bottom ring,...
5290148 High head pump-turbines  
When the trigonometric function of the phase lag of the hydraulic excitation of the runner vanes, which varies in accordance with the combination of the number of runner vanes and the number of...
5279396 Brake rotor armature with air cooling fins having embedded inserts  
This concerns a rotor armature of an electromagnetic retarder, comprising at least one disk (2) axially prolonged over one of its faces by a plurality of fins (9), each fin being delimited by two...
5224823 Cooling water pump for use on the pump housing of an internal combustion engine  
A cooling water pump for a pump housing of an internal combustion engine includes a bearing cover that can be fixed within a bore of the pump housing. The pump also includes a pump shaft and a...
5192193 Impeller for centrifugal pumps  
A cavitation resistant impeller for liquid-conveying centrifugal pumps has a plurality of impeller vanes, each vane having, in combination, a leading inlet edge with a root portion extending...
5061154 Radial turbine rotor with improved saddle life  
A radial inflow rotor for a gas turbine engine has a dual structure for improving the low cycle fatigue life of the saddle region. The interior core or hub of the rotor is a high strength...
4982127 Armature rotors for electromagnetic retarders  
For improving the cooling of the rotor armature disk (2) of an electromagnetic retarder, connected to an outer flange (10) by a circle of arms (9) forming ventilation fins, these arms are formed by...
4981417 Closed type impeller  
An impeller for pumps, turbines, fans, etc., of the closed type, having a number of vanes arranged between cover discs. In order to reduce the secondary flows within the impeller, the secants...
4930981 Low noise impeller  
A blower for fluidized particulates has a housing with an inlet in one wall. The housing defines a chamber which also has an outlet. A rotatably mounted shaft projects into the interior of the...
4863349 Impeller of centrifugal compressor  
The invention relates to compressor manufacture. The impeller comprises a base disc (1) wherein, according to the invention, the angle (β) between its internal surface (5) and the plane (p)...
4854820 Centrifugal pump for handling liquids carrying solid abrasive particles  
A centrifugal pump is proposed for handling liquids carrying solid abrasive particles in a casing having a flow-through portion formed by a discharge passage and a flow-through passage of an...
4853574 Armature rotors of electromagnetic retarders  
The invention provides an armature rotor for electromagnetic retarder, comprising at least one disc (2) extended axially on one of its faces by a plurality of fins (9), each fin being defined by...
4826402 High-capacity centrifugal pump  
A high capacity centrifugal pump for the transfer of liquids is presented. The pump comprises four major components held in rigid assembly by means of screws and pins: a drive unit which includes a...
4806078 Device for transmitting torque to brittle impellers of fluid flow machines  
A centrifugal pump wherein the back shroud of a brittle impeller of ceramic or glass is coupled to the radially outwardly extending disc of a metallic adapter whose hub receives torque from the...
4799855 Impeller construction for centrifugal pump of two-pump pump unit  
A pump unit, particularly for use in a dishwasher, includes first and second pumps having respective impellers and a motor drive shaft fixed to the two impellers for alternately rotating the...
4799861 Pump  
Pump having an impeller with accurately formed radial passages and the method for making it.
4795311 Centrifugal compressor impeller  
An impeller, comprising a main disc (1), blades (2) and a covering disc (3) which consists of interconnected web (4) and ring (5). The joint of the web (4) and ring (5) is detachable to form mated...
4781523 Fluid energy turbine  
A fluid energy converter having a squirrel-cage-like rotor in which blades peripherally distributed about a horizontal axis of rotation are in a plane generally parallel to the axis of rotation. An...
4781531 Centrifugal pump stage with abrasion resistant elements  
A centrifugal submersible pump has wear resistant features to resist erosion due to sand laden fluid from a well. The pump has a plurality of stages, each having a diffuser and an impeller located...
4759690 Impeller  
A vane-type impeller having a plurality of abuttably-adjacent, interconnected components at least some of which are made of an abrasion-resistant ceramic material is improved by a layer of a...
4752187 Radial impeller for fluid flow machines  
A radial impeller for use in centrifugal pumps wherein a reduction of the outer diameter entails a change in the total head but does not affect the capacity because the front coverplate of the...
4732541 Centrifugal elastomeric coated impellers  
An elastomeric-covered shrouded impeller having a pair of disk-like shrouds enclosing vanes and vane passages which has an improved throat opening having sweeping internal sidewalls is disclosed. A...
4686376 Tide turbine  
An improved turbine and generating system for generating electrical power from the energy of flowing water, such as a tide, in a water course are disclosed. The turbine features peripheral inward...
4666373 Impeller for rotary fluid machine  
An impeller for a rotary fluid machine of the centrifugal type is disclosed which is adapted to be constructed as a liquid pump or gas compressor. The impeller comprises a disc having a boss which...
4664592 Centrifugal pump impeller configured to limit fluid recirculation  
In a centrifugal pump, an enclosed-type impeller is provided with a plurality of auxiliary side vanes on either or both of the front and back faces of the impeller which project toward and conform...
4659288 Dual alloy radial turbine rotor with hub material exposed in saddle regions of blade ring  
A dual alloy radial turbine rotor with high tensile strength hub material exposed in the saddle regions between the blades to prevent fatigue that causes cracks in the saddle regions is...
4655684 Centrifugal pump for wide range of operating conditions  
A cantilever shaft centrifugal pump including a volute casing and impeller within said casing and mounted on the end of the cantilever shaft. The volute chamber has an inlet coaxial with the axis...
4648794 Pump with high speed expeller  
Pumps for pumping liquids including a gear train for rotating an expeller at a speed greater than the speed of the pump primary impeller.
4647271 Impeller of centrifugal blower  
An impeller of a centrifugal blower includes a hub, a hub plate, a plurality of blades and a shroud. The hub plate has an outer diameter which is smaller than an inner diameter of the shroud and a...
4634344 Multi-element centrifugal pump impellers with protective covering against corrosion and/or abrasion  
A pump of centrifugal type having both an impeller unit and an expeller unit coupled together for effecting frictionless hydraulic seal during operation within an appropriate housing therefor. By...
4614478 Pump impeller  
An impeller in a pump, in particular a sewage pump, the passage of which is required to have a given transmission capacity for transmitting the impurities present in the sewage water. When small...
4509683 Apparatus for dispersing atomized liquid  
Atomized liquid dispersing apparatus includes a substantially cylindrical casing having an open rearward end constituting an air inlet and a motor driven centrifugal rotor for drawing air into the...
Matches 101 - 150 out of 307 < 1 2 3 4 5 6 7 >