F-Term-List

H02K23/00-23/68

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PURPOSE

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. Output adjustment

. . Preventing variations in rotation or torque (e.g., preventing cogging)

. Preventing electrical noise

. Preventing noise (i.e., vibration)

. Adjusting magnetic flux distribution

. Preventing demagnetization of permanent magnets

. Magnetization of permanent magnets

. Cooling

. Testing or measuring

. Assembly or manufacturing

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FORMS AND TYPES

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. Generators

. Rotary field magnet types

. Epicycloid types

. Types with axially oriented air gaps

. Types with diametrally oriented air gaps

. Types with oblique air gaps

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EXCITING DEVICES (e.g., FIELD MAGNETS)

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. Devices that use windings

. . Shunt windings

. . Series windings

. . Compound windings

. . Devices that have damper windings

. . Devices that have compensating windings

. . Devices that have commutating poles

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. Permanent field magnets

. . Single-unit types

. . Split types

. . Magnets where a single pole is formed from multiple poles

. . Shape

. . . In the form of rings (i.e., cylindrical)

. . . In the form of disks (i.e., flat)

. . . Columnar (e.g., in the form of round columns)

. . Magnetic pole pieces facing the armature are formed on permanent magnets

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. Number of magnetic poles

. . Two poles

. . Four poles

. . Six poles

. . Eight or more poles

. Devices where the arrangements of field magnet poles are changed

. Devices where the dimensions or arrangements of field magnet poles are specified

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ARMATURES

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. Forms of windings

. . Overlapped coils

. . Wave coils

. . Armatures that have multiple windings

. Armatures that have multiple rectifiers

. Coreless armatures

. Printed windings (i.e., printed coils)

. Disk-shaped (i.e., flat) armatures

. Cylindrical (i.e., cup-shaped) armatures

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OTHER PORTIONS OR AUXILIARY DEVICES

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. Rectifier shape or structure

. . Rectifiers that use a portion of the winding

. . Connections or affixing with windings

. Rotary shaft shape or structure

. Case or frame shape or structure

. Devices for improving rectification or eliminating sparking

. . Devices that use resistance

. . . Devices that use non-linear resistance elements (e.g., varistors)

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. . Devices that use capacitors

. . Devices that use coils or reactors

. Types of speed detecting devices

. . Centrifugal switches (e.g., mechanical governors)

. . Magnetic sensors

. . . Magnetic-activated elements

. . . Sensors that use a portion of the main field magnet flux

. . . Frequency generators (e.g., tachometer generators)

. . Devices that detect optically

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AFFIXING, COUPLING AND MATERIALS

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. Affixing (i.e., integrating) means

. . Means that use notches or fastening of indentations and protrusions

. . Means that operate by pressing together

. . Means that use caulking

. . Means that use chocks

. . Means that use screws or rivets

. . Means that use springs

. . Means that use lock rings

. . Means that use adhesives, welding or soldering

. . Means that use molding

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. Portions of coupled objects

. . Coupling of exciting devices (e.g., field magnets)

. . Coupling of armatures

. . Coupling of other portions or of auxiliary devices

. Variants where the materials are specified

. . Conductive materials

. . Magnetic materials

. . Magnet materials

. . Insulating materials

5H623	DC (i.e., direct-current) Machinery
	H02K23/00 -23/68