GB1487236A - Armature for a direct current motor - Google Patents
Armature for a direct current motorInfo
- Publication number
- GB1487236A GB1487236A GB54210/74A GB5421074A GB1487236A GB 1487236 A GB1487236 A GB 1487236A GB 54210/74 A GB54210/74 A GB 54210/74A GB 5421074 A GB5421074 A GB 5421074A GB 1487236 A GB1487236 A GB 1487236A
- Authority
- GB
- United Kingdom
- Prior art keywords
- core
- commutator
- shaft
- armature
- segments
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
- H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/04—Commutators
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Current Collectors (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
1487236 Dynamo-electric machines SWFSPEZIALFABRIK FUER AUTOZUBEHOER GUSTAV RAU GmbH 16 Dec 1974 [2 Feb 1974] 54210/74 Heading H2A In a D.C. motor armature comprising a shaft 23, a laminated core 20 and commutator segments 30 secured together by an injectionmoulded common body of plastics material, the cross-section of the plastics body in the region between the core and commutator is smaller than the corresponding cross-section at the commutator segments so as to leave a space to accommodate armature windings. As shown the core is separated from the shaft by a portion 18 of the plastics body. In a modification, Fig. 5 (not shown), the core laminations are held together by a hollow rivet (24) within which the shaft is a press fit. In both embodiments the plastics material does not extend to the surface of the commutator in the gaps between the segments.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742405013 DE2405013A1 (en) | 1974-02-02 | 1974-02-02 | ARMOR FOR A DC MOTOR |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1487236A true GB1487236A (en) | 1977-09-28 |
Family
ID=5906426
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB54210/74A Expired GB1487236A (en) | 1974-02-02 | 1974-12-16 | Armature for a direct current motor |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS50109404A (en) |
BE (1) | BE824263A (en) |
BR (1) | BR7500652A (en) |
DE (1) | DE2405013A1 (en) |
FR (1) | FR2260213B3 (en) |
GB (1) | GB1487236A (en) |
NL (1) | NL7500165A (en) |
SE (1) | SE7415756L (en) |
ZA (1) | ZA748141B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2141590A (en) * | 1983-03-31 | 1984-12-19 | Seiko Instr & Electronics | Rotor for an electric motor |
GB2227373A (en) * | 1988-10-13 | 1990-07-25 | Johnson Electric Ind Mfg | Rotor of an electric motor |
GB2360395A (en) * | 1999-12-30 | 2001-09-19 | Bosch Gmbh Robert | Electric motor with injection-moulded insulation, particularly for hand machine tools |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5439801A (en) * | 1977-09-05 | 1979-03-27 | Matsushita Electric Ind Co Ltd | Armature of double insulation construction and manufacture thereof |
JPS59114738U (en) * | 1983-01-19 | 1984-08-02 | アスモ株式会社 | small motor rotor |
JPS63137547U (en) * | 1987-02-23 | 1988-09-09 | ||
JPH02241346A (en) * | 1989-03-13 | 1990-09-26 | Hitachi Ltd | Armature of rotary electric machine with communicator and its manufacture, and conductor for armature coil |
DE4432356A1 (en) * | 1994-09-12 | 1996-03-14 | Atlas Copco Elektrowerkzeuge | Assembly process for electric motor rotor shaft |
DE19610736A1 (en) * | 1996-03-20 | 1997-09-25 | Vdo Schindling | Runners for electric motors |
-
1974
- 1974-02-02 DE DE19742405013 patent/DE2405013A1/en not_active Ceased
- 1974-12-16 SE SE7415756A patent/SE7415756L/xx unknown
- 1974-12-16 GB GB54210/74A patent/GB1487236A/en not_active Expired
- 1974-12-20 ZA ZA00748141A patent/ZA748141B/en unknown
-
1975
- 1975-01-07 NL NL7500165A patent/NL7500165A/en unknown
- 1975-01-10 BE BE152269A patent/BE824263A/en unknown
- 1975-01-14 FR FR7500913A patent/FR2260213B3/fr not_active Expired
- 1975-01-31 BR BR652/75A patent/BR7500652A/en unknown
- 1975-02-03 JP JP50014200A patent/JPS50109404A/ja active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2141590A (en) * | 1983-03-31 | 1984-12-19 | Seiko Instr & Electronics | Rotor for an electric motor |
GB2227373A (en) * | 1988-10-13 | 1990-07-25 | Johnson Electric Ind Mfg | Rotor of an electric motor |
GB2360395A (en) * | 1999-12-30 | 2001-09-19 | Bosch Gmbh Robert | Electric motor with injection-moulded insulation, particularly for hand machine tools |
GB2360395B (en) * | 1999-12-30 | 2002-03-20 | Bosch Gmbh Robert | Electric motor in particular for hand machine tools |
US6509668B2 (en) | 1999-12-30 | 2003-01-21 | Robert Bosch Gmbh | Electric motor, in particular for hand power tools |
Also Published As
Publication number | Publication date |
---|---|
ZA748141B (en) | 1976-01-28 |
JPS50109404A (en) | 1975-08-28 |
FR2260213A1 (en) | 1975-08-29 |
BE824263A (en) | 1975-05-02 |
NL7500165A (en) | 1975-08-05 |
BR7500652A (en) | 1975-11-11 |
FR2260213B3 (en) | 1977-09-30 |
DE2405013A1 (en) | 1975-08-14 |
SE7415756L (en) | 1975-08-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |