Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 310/187
Name: Electrical generator or motor structure > Dynamoelectric > Rotary > Windings and core structure > Field or excitation windings or structure > Plural field windings > Slotted or divided pole
Description: Subject matter having a slotted or divided pole.










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8492953 Lamination Jul. 23, 2013
8456052 Electric machine with a multi-level winding Jun. 4, 2013
8350438 Stator winding for an electric motor Jan. 8, 2013
8035273 Rotor assembly having two core portions each with a reduced back portion Oct. 11, 2011
7891082 Method of manufacturing coil assembly unit for rotary electric machine Feb. 22, 2011
7843103 Electrical motor Nov. 30, 2010
7816836 Reduced stress generator pole tip fillet Oct. 19, 2010
7770286 Manufacturing method for a winding assembly of a rotary electrical machine Aug. 10, 2010
7755242 Motor, method for manufacturing the same, and washing machine using the same Jul. 13, 2010
7555893 Aircraft propulsion system Jul. 7, 2009
7528516 Rotary electrical machine having loss reduction means May. 5, 2009
7420308 PMBDCM and two phase SRM motor, two phase SRM rotor and stator, and coil wrap for PMBDCM and SRM motors Sep. 2, 2008
7342339 Reluctance machine having a non-uniform air gap Mar. 11, 2008
7262539 Saturation control of electric machine Aug. 28, 2007
7235911 Stepping motor Jun. 26, 2007
7183687 Brushless permanent magnet machine with reduced cogging and torque ripple and method of producing the same Feb. 27, 2007
7009320 Stator of electric rotating machine Mar. 7, 2006
6864612 Iron core for electric motor and electric generator Mar. 8, 2005
6822368 Rotary permanent magnet electric motor having stator pole shoes of varying dimensions Nov. 23, 2004
6781273 Multi-circular flux motor Aug. 24, 2004
6777844 Brushless motor Aug. 17, 2004
6483212 Reluctance-type electric motor Nov. 19, 2002
6396181 Rotating maching with advanced excitation means May. 28, 2002
6265800 Diskette incorporating permanent magnet generator with reduced cogging torque and permanent magnet generator for use in diskette Jul. 24, 2001
6239530 Subsynchronous reluctance electrical machine May. 29, 2001
6236133 Three-phase brushless motor May. 22, 2001
6160330 Three-phase stepping motor and driving method therefor Dec. 12, 2000
6057621 Cylindrical radial gap type motor structure May. 2, 2000
6034461 Stator of motor Mar. 7, 2000
6025668 Variable reluctance motor having bifurcated stator poles Feb. 15, 2000
6023119 Alternator Feb. 8, 2000
RE36367 Rotor for brushless electromotor and method for making same Nov. 2, 1999
5912515 Motor with motor parts which are movable relative to one another Jun. 15, 1999
5880546 Magnetic actuator provided with a separator wall Mar. 9, 1999
5866959 Cooling arrangements for rotating electrical machines Feb. 2, 1999
5844341 Electromagnetic machine with at least one pair of concentric rings having modularized magnets and yokes Dec. 1, 1998
5801478 Reluctance type synchronous motor Sep. 1, 1998
5796194 Quadrature axis winding for sensorless rotor angular position control of single phase permanent magnet motor Aug. 18, 1998
5757100 Method & apparatus for reducing cogging torque in an electric motor May. 26, 1998
5679995 Permanent magnet rotor of brushless motor Oct. 21, 1997
5663605 Rotating electrical machine with electromagnetic and permanent magnet excitation Sep. 2, 1997
5606247 Mechanical gear drive system having integral electric power generation capability Feb. 25, 1997
5424599 Dual delta alternator Jun. 13, 1995
5396139 Polyphase electromagnetic transducer having a multipolar permanent magnet Mar. 7, 1995
5369325 Rotor for brushless electromotor and method for making same Nov. 29, 1994
5350991 Magnetic induction method and magnetic circuit of rotator for generating mechanical and electric power Sep. 27, 1994
5256923 Switched reluctance motor with sensorless position detection Oct. 26, 1993
5220228 Rotating electric machine with bevelled armature poles Jun. 15, 1993
5173651 Electrical drive systems Dec. 22, 1992
5166567 Engine welder Nov. 24, 1992

1 2










 
 
  Recently Added Patents
Method for transmitting a signal
Stack and folding-typed electrode assembly and method for preparation of the same
O-space imaging: highly efficient parallel imaging using complementary nonlinear encoding gradient fields and receive coil geometries
Fail-safe upgrading of portable electronic device software
Bath
Die packages and systems having the die packages
Display screen with graphical user interface
  Randomly Featured Patents
Composite erosion resistant optical window
Placemat with floating figurine
Modular rack system
Nailing machine
Articulated vane rotary internal combustion machine
System and method of liquid scintillation counting
High potency biomass-free avoparcin and a method for its preparation
Benzylidene-1,3-dihydro-indol-2-one derivatives a receptor tyrosine kinase inhibitors, particularly of Raf kinases
Polyamide resin composition and process for producing the same
Switched reluctance motors