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Class Information
Number: 310/265
Name: Electrical generator or motor structure > Dynamoelectric > Rotary > Rotor structure > Armatures > Drum
Description: Subject matter relating to drum type armatures.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7548007 |
Rotor shaft coupling |
Jun. 16, 2009 |
| 7492074 |
High-efficiency wheel-motor utilizing molded magnetic flux channels with transverse-flux stator |
Feb. 17, 2009 |
| 7411325 |
High efficiency combination motor and drive |
Aug. 12, 2008 |
| 7119471 |
Direct drive high torque compact synchronous motor |
Oct. 10, 2006 |
| 6979177 |
Rotor assembly |
Dec. 27, 2005 |
| 6798987 |
Driving apparatus, light-amount regulating apparatus, and lens driving apparatus |
Sep. 28, 2004 |
| 6737769 |
Easy-to-start-structure of a DC brushless motor |
May. 18, 2004 |
| 6731043 |
One-piece field core shell |
May. 4, 2004 |
| 6580190 |
Circumferential confronting type motor |
Jun. 17, 2003 |
| 6172439 |
Motor rotor using a cylindrical yoke with slit |
Jan. 9, 2001 |
| 6127762 |
Rotor |
Oct. 3, 2000 |
| 6078121 |
Rotor assembly for a rotating machine |
Jun. 20, 2000 |
| 6060805 |
Canned motor |
May. 9, 2000 |
| 6047461 |
Rotor for permanent magnet excited, high-speed electric rotary machine, manufacturing method of the same and electric rotary machine including the same |
Apr. 11, 2000 |
| 5973434 |
Armature for rotary electric machine having welded joint between upper and lower coil conductors |
Oct. 26, 1999 |
| 5936322 |
Permanent magnet type synchronous motor |
Aug. 10, 1999 |
| 5929551 |
Rotor section containment with steel punched star |
Jul. 27, 1999 |
| 5777418 |
Transverse flux motor with magnetic floor gap |
Jul. 7, 1998 |
| 5763976 |
Stator wound resolver with staggered rotor |
Jun. 9, 1998 |
| 5739615 |
Rotor for reluctance machine |
Apr. 14, 1998 |
| 5739613 |
Flat three-phase reluctance type motor |
Apr. 14, 1998 |
| 5731648 |
Laminated rotor core for mounting permanent ring magnets |
Mar. 24, 1998 |
| 5682670 |
Method for the fabrication of multipole magnets |
Nov. 4, 1997 |
| 5650680 |
Dynamo electric machine with permanent magnet rotor structure |
Jul. 22, 1997 |
| 5422527 |
X-ray tube target drive rotor |
Jun. 6, 1995 |
| 5220228 |
Rotating electric machine with bevelled armature poles |
Jun. 15, 1993 |
| 5079460 |
Magnetostrictive roller drive motor |
Jan. 7, 1992 |
| 5039897 |
Rotor structures of A.C. synchronous servo motor |
Aug. 13, 1991 |
| 5001380 |
Rotor for an asynchronous motor with multiple layered screen |
Mar. 19, 1991 |
| 4885497 |
Winding for a pulse power AC generator rotor |
Dec. 5, 1989 |
| 4701649 |
Brushless motor with symmetrical leads for preventing signal distortion |
Oct. 20, 1987 |
| 4564777 |
Reinforced permanent magnet rotor with cast zinc |
Jan. 14, 1986 |
| 4495430 |
Balanced armature winding for motors |
Jan. 22, 1985 |
| 4486678 |
Rotor for a permanent magnet generator |
Dec. 4, 1984 |
| 4471248 |
Electric motor with elastic vibration damping rotor to shaft coupling |
Sep. 11, 1984 |
| 4443727 |
Deformable rotor for a hydroelectric machine |
Apr. 17, 1984 |
| 4376903 |
Direct current dynamo electric machine |
Mar. 15, 1983 |
| 4319149 |
Superconducting generator with improved thermal transient response |
Mar. 9, 1982 |
| 4316113 |
Electric rotary machine |
Feb. 16, 1982 |
| 4295069 |
Armature shaft for a vehicle starter motor |
Oct. 13, 1981 |
| 4250424 |
Rotor of synchronous machines |
Feb. 10, 1981 |
| 4215287 |
Prime mover rotor shaft having raised ridges |
Jul. 29, 1980 |
| 4160180 |
Rotor lamination support for vertical hydro-generator |
Jul. 3, 1979 |
| 4128780 |
Rotor having improved arm structure to reduce tensile stresses |
Dec. 5, 1978 |
| 4110646 |
AC synchronous motor having an axially laminated rotor |
Aug. 29, 1978 |
| 4075522 |
Self clamping armature casing for an electric motor driven fluid pump |
Feb. 21, 1978 |
| 4064410 |
Squirrel cage rotor and method of making same |
Dec. 20, 1977 |
| 3996486 |
Synchronous machine with a rated power of at least 1 MVA |
Dec. 7, 1976 |
| 3950662 |
Self-commutating motor and printed circuit armature therefor |
Apr. 13, 1976 |
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