patent · · added 2 months ago
Seal assemblies for internal mixers
A seal assembly for the rotor shafts of internal mixers and the like used in the compounding of rubber and plastic. The assembly (130,170) comprises seal rotor means (130,170) carr...
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13,573 items
August 2026
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patent · · added 2 months ago
Lightweight high power electromotive device
A lightweight electromotive device with a high power-to-weight ratio capable of operating as an efficient motor, alternator or generator includes an mangetic-flux producing assembl...
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patent · · added 2 months ago
Electrical machine with permanent magnet excitation
Contained in an electrical machine with a field excited by permanent magnets, on the rotor, are pole bodies that extend in ring fashion and coaxially with the rotor shaft, forming...
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patent · · added 2 months ago
Electric motor
An electric motor operating on the reluctance principle employs spaced rotor discs presenting rings of inwardly fcing poles of alternating polarity, typically by means of permanent...
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patent · · added 2 months ago
Composite wind turbine rotor blade and method for making same
A wind turbine rotor blade including NASA LS (1) - 04xx airfoil sections having a twist not greater than 8° and a construction for such a blade which includes no parting line along...
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patent · · added 2 months ago
Device
A device in a submersible pump or mixer prevents solid bodies from entering a housing containing a mechanical seal. The device has a helically formed groove so directed, that pollu...
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patent · · added 2 months ago
Lightweight high power electromagnetic transducer
An electromagnetic transducer is disclosed that is lightweight and has a high power to weight ratio, with the transducer being capable of operation as an efficient motor, alternato...
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patent · · added 2 months ago
Lightweight high power electromagnetic transducer
An electromagnetic transducer is disclosed that is lightweight and has a high power to weight ratio, with the transducer being capable of operation as an efficient motor, alternato...
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patent · · added 2 months ago
Pipeline built-in electric power generating set
An electric power generating set for a fluid pipeline, comprising a turbine coupled to the pipeline for rotating under the pressure of the fluid moving in the pipeline; a generator...
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patent · · added 2 months ago
Fluid powered electrical generator
A fluid powered electrical generator having an impellor-rotor rotatively mounted on a central support structure. A toroidal outer support structure surrounds the impellor-rotor, wi...
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patent · · added 2 months ago
Magnetic-drive centrifugal pump
A magnetic-drive centrifugal pump comprises a driving motor, a pump shaft, an impeller, a rotor with a sleeve portion to which is connected the impeller, the rotor and impeller bei...
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patent · · added 2 months ago
High speed synchronous machine having a rotor provided with magnets arranged for orthoradial magnetic induction
The synchronous machine comprises a rotor provided with permanent magnets arranged for orthoradial magnetic induction and which are disposed around the axis in such a way that two...
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patent · · added 2 months ago
Wind turbine with multiple generators
Multiple induction type generators are drivingly connected to an impeller. As wind velocity increases, the generators are successively activated until all of the generators are ope...
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patent · · added 2 months ago
Brushless electrical machine for use as motor or generator
A brushless electrical machine has a stator assembly with spaced coils and a rotor assembly with spaced permanent magnets and with axial air gaps between the assemblies. The magnet...
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patent · · added 2 months ago
Rotatable assembly for dynamoelectric machines having means for reducing release of magnet material particles therefrom
A magnet assembly having means for reducing release of magnet material particles from the magnet element includes a body of permanently magnetizable material and a shell at least p...
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patent · · added 2 months ago
Rotor having magnets with enclosing shells
A magnet assembly having means for reducing release of magnet material particles from the magnet element includes a body of permanently magnetizable material and a shell at least p...
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patent · · added 2 months ago
Permanent-magnet field synchronous motor
A permanent-magnet field synchronous motor comprises a rotor body (22) having a cylindrical outer surface. A plurality of permanent magnets (25) attached to the cylindrical outer s...
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patent · · added 2 months ago
High speed permanent magnet rotor
The rotor (1), which has magnets (3) in particular of the rare earth-cobalt type, is surrounded by a hoop formed by a metal which has been cold work-hardened and has a high elastic...
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patent · · added 2 months ago
Permanent magnet rotor with saturable flux bridges
A rotor structure for a permanent magnet generator, or PMG, includes a plurality of spaced apart magnets and magnetic circuit elements in series with the magnets on the rotor to ac...
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patent · · added 2 months ago
Shaft seal
A packingless shaft seal between an apparatus housing and a rotatable shaft. The shaft seal includes a sleeve mounted on the shaft and a seal housing mounted on the apparatus housi...
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patent · · added 2 months ago
Exhaust energy recovery and generator for use with an engine
An engine is composed of an exhaust turbine rotatable by the exhaust energy of an exhaust gas discharged from the engine, a generator coupled to the exhaust turbine, and a motor dr...
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patent · · added 2 months ago
Magneto arrangement
A magneto rotor assembly is disclosed in which a magnet is clamped in position between a pair of pole pieces within a cavity in a rotor. The pole pieces are provided with at least...
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patent · · added 2 months ago
Wind turbines
A wind turbine assembly includes a wind turbine 18 mounted in a head 16, the wind turbine driving, via a gear box 22, an air compressor 24, 25, the inlet 26 of which is arranged to...
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patent · · added 2 months ago
Double gap electric generating machines
In these machines, the rim (16) of the rotor (13), supported overhangingly by oblique arms (15), is equipped with a double set of polar pieces (17 and 18), one fastened to the oute...
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patent · · added 2 months ago
Windpower system
A windpower system includes a support and a turbine having a shaft rotatively mounted to the support. The turbine has variable pitch blades whose pitch is controlled by the differe...
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patent · · added 2 months ago
Lighter than air wind energy conversion system
A lighter-than-air (LTA) wind energy conversion system (WECS) wherein the LTA envelope carries a main rotor and electrical generator to take advantage of high wind speeds available...
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patent · · added 2 months ago
Dynamoelectric machine with a permanent magnet rotor having laminated poles
A dynamoelectric machine having a permanent magnet rotor consisting of a stack of alternating magnetic and structural non-magnetic laminations held together with bead welds on the...
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patent · · added 2 months ago
Shaft sealing device utilizing a non-uniform groove depth
A shaft sealing device stable in sealing effect and which causes no seal breakdown is provided by changing the groove depth of a thread cut in a rotary shaft in the axial direction...
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patent · · added 2 months ago
Two-stage electric generator system
The system described herein is particularly adapted to convert mechanical energy from a wind or hydraulic driven turbine into electric energy and comprises: an exciter generator an...
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patent · · added 2 months ago
System for the obtaining of energy by fluid flows resembling a natural cyclone or anti-cyclone
A system for obtaining energy by means of fluid flows resembling those of a natural cyclone or anti-cyclone comprises a cyclonic conversion tower constituted by a group of convecto...