EP0684670A2 - Porte-balais - Google Patents
Porte-balais Download PDFInfo
- Publication number
- EP0684670A2 EP0684670A2 EP95107353A EP95107353A EP0684670A2 EP 0684670 A2 EP0684670 A2 EP 0684670A2 EP 95107353 A EP95107353 A EP 95107353A EP 95107353 A EP95107353 A EP 95107353A EP 0684670 A2 EP0684670 A2 EP 0684670A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- brush holder
- scraper
- brush
- holder according
- rib
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- H01R39/38—Brush holders
- H01R39/39—Brush holders wherein the brush is fixedly mounted in the holder
-
- 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
- H01R39/38—Brush holders
Definitions
- the invention relates to a brush holder according to claim 1.
- a plastic hammer brush holder for an electrical machine in which the brush can be inserted with one end between side walls of a receiving opening of the brush holder with a clamp.
- a suppression choke is mounted on the top of the brush back of the hammer brush holder in that at the ends of the brush holder back at least partially elastic, different diameters of the winding ends of the suppression choke are integrally formed with fastening pockets into which the winding ends can be fixed in the sense of a fixed, final mounting of the suppression choke.
- a secure tight fit of the carbon brush in the insertion opening of the plastic brush holder can be guaranteed in any case even in rough operating conditions in that at least one side wall of the insertion opening with a protruding scraper rib against the carbon brush comes to rest and the scraper rib is arranged or designed in the sense of a system which is laterally and / or vertically variable in relation to the carbon brush as the insertion depth of the carbon brush increases.
- the arrangement or design of the scraper ribs according to the invention ensures that, even taking into account the case that when the carbon brush is inserted in the area of the pressing scraper rib, in particular with undersized tolerances of the receiving opening, material of the carbon brush is removed, a secure clamping connection in any case further pushing in of the carbon brush is ensured, since a virgin counterpressure surface is available for pushing in the carbon brush for the scraper rib.
- the system pressure guaranteed over the entire insertion depth can be changed by
- an arrangement of the scraper rib running obliquely with respect to the insertion direction or, in particular with a scraper rib running constantly in the pressing direction, can be achieved by an increasing height of the projecting scraper rib relative to the carbon brush.
- scraper rib that widens conically or triangularly with increasing insertion depth or by scraper rib parts that are laterally offset in the insertion direction.
- FIG. 1 shows an axial longitudinal section of a plastic hammer brush holder 1, on the top of which the back of the brush has an interference suppressor 5 held in the manner known from the aforementioned DE-C3-28 14 009.
- a carbon brush 2 is inserted with its upper free end with a clamp from the downwardly open side of the receiving opening.
- the carbon brush 2 is clipped with a brush connecting wire 3 to an outer connecting line 4, which is also used for the coil winding of the interference suppressor 5 wound around an iron core 5.1.
- the plastic hammer brush holder 1 has at its end facing away from the carbon brush 2 a cutting edge 1.6, with which it can be pivoted in a manner not shown here in a cutting edge bearing of a commutator motor in such a way that the carbon brush 2 with its free end facing away from the receiving opening Can contact the surface of a commutator or slip ring.
- FIG. 2 to 5 show a scraper ribs according to the invention arranged there in various embodiments or arrangements based on a top view of the one side wall 1.2 of the receiving opening.
- two eccentrically offset scraper ribs 6 with a conically widening width from the beginning of insertion in the direction of the insertion end are provided in FIG. 2; This ensures that when the carbon brush 2 is pressed into the receiving opening, virgin material of the adjacent surface of the carbon brush 2 with the Scraper ribs 6 cooperate so that an equally good contact pressure can be ensured over the entire insertion depth.
- 3 shows a modification in that a scraper rib extending laterally in a triangular shape extends over the entire insertion depth, ie, in contrast to FIG. 2, also over the last insertion region.
- scraper ribs 8 show two exemplary embodiments with scraper ribs laterally offset in the region of the increasing insertion depth.
- a virgin contact surface results from the scraper rib parts 8.1; 8.2 or 8.3; 8.4, which are laterally offset from the previous scraper ribs 8.
- the scraper ribs 8 after about two thirds of the insertion depth, are replaced by scraper rib shoulders 8.5, 8.6 with lateral extension to the previously located scraper ribs 8.
- a central web 1.5 extending from the right end of the plastic hammer brush holder 1 in the direction of the back of the brush holder extends as an advantageous support to the side wall 1.2 of the receiving opening
- the mouth of the central web 1.5 is expediently on both sides and thus to a small extent wall parts of the side wall 1.2 provided elastically in the direction of the brush holder back; in all exemplary embodiments, only a single, preferably centrally arranged scraper rib 9 is provided in the shorter side wall 1.3 of the overall rectangular receiving opening, which e.g. how the scraper rib 6 in FIG. 2 or the scraper rib 7 in FIG. 3 can be designed with a width that widens as the insertion depth increases.
Landscapes
- Motor Or Generator Current Collectors (AREA)
- Brushes (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9408670U | 1994-05-27 | ||
DE9408670U DE9408670U1 (de) | 1994-05-27 | 1994-05-27 | Bürstenhalter für eine elektrische Maschine |
DE9413421U DE9413421U1 (de) | 1994-08-19 | 1994-08-19 | Bürstenhalter |
DE9413421U | 1994-08-19 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0684670A2 true EP0684670A2 (fr) | 1995-11-29 |
EP0684670A3 EP0684670A3 (fr) | 1996-04-10 |
EP0684670B1 EP0684670B1 (fr) | 1997-03-05 |
Family
ID=25962097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95107353A Expired - Lifetime EP0684670B1 (fr) | 1994-05-27 | 1995-05-15 | Porte-balais |
Country Status (4)
Country | Link |
---|---|
US (1) | US5686775A (fr) |
EP (1) | EP0684670B1 (fr) |
DE (1) | DE59500121D1 (fr) |
ES (1) | ES2098988T3 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0791988A1 (fr) | 1996-02-26 | 1997-08-27 | Siemens Aktiengesellschaft | Porte-balai à marteau en matière plastique |
WO2005119846A1 (fr) * | 2004-06-02 | 2005-12-15 | Siemens Aktiengesellschaft | Ensemble d'elements et procede pour produire un ensemble d'elements |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6246144B1 (en) | 1998-07-21 | 2001-06-12 | Morganite Incorporated | Carbon brush holders or cards |
EP1005115A1 (fr) * | 1998-11-27 | 2000-05-31 | Siemens Aktiengesellschaft | Porte-balai à marteau avec securité contre le basculement |
US6380656B1 (en) * | 2000-06-28 | 2002-04-30 | Visteon Global Technologies, Inc. | Liquid cooled alternator brush holder ribs |
US6617744B2 (en) | 2000-08-23 | 2003-09-09 | Siemens Vdo Automotive Inc. | DC motor brush card assembly having attaching structures and multiple choke coils with elongated portions |
US6812605B2 (en) * | 2002-10-01 | 2004-11-02 | Siemens Vdo Automotive Inc. | Self-retained RFI suppression choke for electric motor |
US6707220B1 (en) * | 2003-02-12 | 2004-03-16 | Siemens Vdo Automotive, Inc. | Electric motor brush holder for suppressing audible and electromagnetic noise |
US7705512B2 (en) | 2006-10-06 | 2010-04-27 | Remy International, Inc. | Dynamoelectric machine conductor |
US7696666B2 (en) | 2006-10-06 | 2010-04-13 | Remy Technologies, L.L.C. | Dynamoelectric machine grommet |
US7466056B2 (en) | 2006-10-06 | 2008-12-16 | Remi International, Inc | Dynamoelectric machine brush holder assembly and method |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2814009C3 (de) | 1978-03-31 | 1981-05-27 | Siemens AG, 1000 Berlin und 8000 München | Kunststoff-Hammerbürstenhalter mit Entstördrossel |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5234004U (fr) * | 1975-09-02 | 1977-03-10 | ||
US4059776A (en) * | 1976-04-19 | 1977-11-22 | Stackpole Carbon Company | Electric motor brush mounting |
DE3012740A1 (de) * | 1980-03-28 | 1981-10-08 | Siemens AG, 1000 Berlin und 8000 München | Magnetische zentral-drehkupplung |
DE3022466A1 (de) * | 1980-06-14 | 1982-01-14 | Robert Bosch Gmbh, 7000 Stuttgart | Buerstenhalter fuer elektrische maschinen, insbesondere drehstromgeneratoren in kraftfahrzeugen |
DE59202257D1 (de) * | 1992-09-07 | 1995-06-22 | Siemens Ag | Geräuschgedämpfte Bürstenhalterung, insbesondere für einen Kommutator-Kleinmotor. |
US5315199A (en) * | 1993-04-30 | 1994-05-24 | Ryobi Motor Products Corp. | Bidirectional brush holder assembly |
-
1995
- 1995-05-15 EP EP95107353A patent/EP0684670B1/fr not_active Expired - Lifetime
- 1995-05-15 DE DE59500121T patent/DE59500121D1/de not_active Expired - Lifetime
- 1995-05-15 ES ES95107353T patent/ES2098988T3/es not_active Expired - Lifetime
- 1995-05-26 US US08/451,823 patent/US5686775A/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2814009C3 (de) | 1978-03-31 | 1981-05-27 | Siemens AG, 1000 Berlin und 8000 München | Kunststoff-Hammerbürstenhalter mit Entstördrossel |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0791988A1 (fr) | 1996-02-26 | 1997-08-27 | Siemens Aktiengesellschaft | Porte-balai à marteau en matière plastique |
US5753994A (en) * | 1996-02-26 | 1998-05-19 | Siemens Aktiengesellschaft | Plastic hammer-type brush holder |
WO2005119846A1 (fr) * | 2004-06-02 | 2005-12-15 | Siemens Aktiengesellschaft | Ensemble d'elements et procede pour produire un ensemble d'elements |
Also Published As
Publication number | Publication date |
---|---|
EP0684670A3 (fr) | 1996-04-10 |
EP0684670B1 (fr) | 1997-03-05 |
DE59500121D1 (de) | 1997-04-10 |
ES2098988T3 (es) | 1997-05-01 |
US5686775A (en) | 1997-11-11 |
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