patent · · added 2 months ago
Rotor for synchronous motor
A rotor (10) includes a plurality of permanent magnets (14) disposed around a shaft (12) at generally equal intervals, and a plurality of laminated core members (16) disposed betwe...
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August 2026
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patent · · added 2 months ago
Rotor for a rotating electric machine
The present invention prevents the degradation of the power generating efficiency of an alternating current generator by preventing the expansion of an air gap formed between pole...
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patent · · added 2 months ago
High performance automotive engine gasket and method of sealing a high performance engine
A method of sealing a high performance internal combustion engine with a head gasket having a fire ring comprising providing a groove in the head or block generally concentric with...
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patent · · added 2 months ago
Rotor for synchronous motor
A rotor (10) includes a plurality of permanent magnets (14) disposed around a shaft (12) at generally equal intervals, and a plurality of laminated core members (16) disposed betwe...
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patent · · added 2 months ago
Electrical machines
An electromechanical transducer, such as a motor (1), comprising a rotor member (4), a stator member (3) having an electrical winding (8), and isolating means (11, 9, 16, 12) isola...
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patent · · added 2 months ago
Permanent magnet type dynamoelectric machine rotor
A dynamoelectric machine rotor comprising a plurality of substantially trapezoidal prism-shaped permanent magnets mounted on a magnetic yoke. Each of the magnets has magnetic pole...
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patent · · added 2 months ago
Method of sealing a high performance automotive engine and engine assembly
A method of sealing a high performance internal combustion engine with a head gasket having a fire ring comprising providing a groove in the head or block generally concentric with...
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patent · · added 2 months ago
Electromechanical apparatus for varying blade of variable-pitch fan blades
Blade pitch of variable pitch blades is changed by an actuator having first and second ac machines. The first ac machine is excited with ac power to apply a motoring torque to a co...
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patent · · added 2 months ago
Rotor of synchronous motor
A rotor of a synchronous motor incorporates a rotor core assembly 14 including a rotor core 10 formed by a lamination of ferrosilicone plates and a plurality of permanent magnets 1...
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patent · · added 2 months ago
Tandem type alternator
A tandem type alternator comprises a rotor rotatably supported inside a housing and having rotor cores having magnetic poles formed on outer peripheral portions of the rotor cores,...
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patent · · added 2 months ago
Electromagnetic motor
An electromagnetic motor includes a rotor having a plurality of magnets mounted along a perimeter of the rotor. Preferably, adjacent magnets have opposite poles facing outward. One...
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patent · · added 2 months ago
Wind turbine
A wind turbine for mounting on an existing industrial chimney (1), tower or the like, includes two vertically aligned blades (3) mounted on rotor arms (2) for rotation about the lo...
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patent · · added 2 months ago
Motor having flux-concentrating permanent magnets
A motor having flux-concentrating permanent magnets, the motor including a stator with windings and a rotor including a shaft, a sleeve surrounding the shaft for holding rotor lami...
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patent · · added 2 months ago
Machine for converting wind energy to electrical energy
A machine for converting wind energy into electrical energy comprising in combination a housing; propellers at the forward and rearward ends of the housing mounted on shafts for ro...
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patent · · added 2 months ago
Wind turbine
Wind turbine for generating electrical energy by means of wind energy, comprising a turbine rotor which can be mounted on a mast and is rotatable about a rotor shaft with one or mo...
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patent · · added 2 months ago
Permanent magnet structure for use in electric machinery
Magnetically rigid materials are utilized to enhance the field magnitudes oduced by permanent magnet structures that are utilized in electric machinery. Magnetic circuit losses due...
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patent · · added 2 months ago
Preloaded permanent magnet rotor assembly
The problem of preloading a rotor assembly (14) in a dynamoelectric machine (10) of the permanent magnet type is solved by providing a hub (20) having a plurality of outwardly open...
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patent · · added 2 months ago
Apparatus and method for controlling the output frequency of a wind-driven alternator
Method and apparatus for controlling the output frequency of an alternator by maintaining a relatively constant speed of rotation of the alternator rotor are disclosed. The rotor i...
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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
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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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
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
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
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
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
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...