DE20307984U1 - Bearing positioning element for spindle motor, has sprung connecting section extending between large, small diameter sections to force ball bearing and rotor apart, to ensure gap between them - Google Patents
Bearing positioning element for spindle motor, has sprung connecting section extending between large, small diameter sections to force ball bearing and rotor apart, to ensure gap between themInfo
- Publication number
- DE20307984U1 DE20307984U1 DE20307984U DE20307984U DE20307984U1 DE 20307984 U1 DE20307984 U1 DE 20307984U1 DE 20307984 U DE20307984 U DE 20307984U DE 20307984 U DE20307984 U DE 20307984U DE 20307984 U1 DE20307984 U1 DE 20307984U1
- Authority
- DE
- Germany
- Prior art keywords
- small diameter
- ball bearing
- section
- bearing
- ring
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
- H02K5/1735—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at only one end of the rotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
- F16C25/06—Ball or roller bearings
- F16C25/08—Ball or roller bearings self-adjusting
- F16C25/083—Ball or roller bearings self-adjusting with resilient means acting axially on a race ring to preload the bearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2380/00—Electrical apparatus
- F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
Abstract
Description
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically
Claims (20)
einem Abschnitt (41) kleinen Durchmessers, der an einem Innenring (20a) eines Kugellagers (20) des Spindelmotors anstößt,
einem Abschnitt (43) großen Durchmessers, der an einem Rotor (10) des Spindelmotors anstößt, und
mindestens einem federnden Verbindungsabschnitt (42), der sich zwischen dem Abschnitt (41) kleinen Durchmessers und dem Abschnitt (43) großen Durchmessers erstreckt, um das Kugellager (20) und den Rotor (10) voneinander wegzuzwängen und zwischen dem Kugellager (20) und dem Rotor (10) einen Spalt sicherzustellen. 1. Bearing positioning element for a spindle motor, the bearing positioning element ( 40 ) being conical with
a section ( 41 ) of small diameter, which abuts an inner ring ( 20 a) of a ball bearing ( 20 ) of the spindle motor,
a section ( 43 ) of large diameter which abuts a rotor ( 10 ) of the spindle motor, and
at least one resilient connecting portion ( 42 ) extending between the small diameter portion ( 41 ) and the large diameter portion ( 43 ) to urge the ball bearing ( 20 ) and the rotor ( 10 ) apart and between the ball bearing ( 20 ) and ensure a gap for the rotor ( 10 ).
einem Rotor (10), der eine Innenseite besitzt,
einem Kugellager (20), das in einem Achsrohr (30) anordenbar ist, und
einem konischen Lagerpositionierelement (40), das einen Abschnitt (41) kleinen Durchmessers und einen Abschnitt (43) großen Durchmessers aufweist, wobei der Abschnitt (41) kleinen Durchmessers an einen Innenring (20a) des Kugellagers (20) anstößt, der Abschnitt großen Durchmessers an der Innenseite des Rotors (10) anstößt, und mindestens ein federnder Verbindungsabschnitt (42) sich zwischen dem Abschnitt (41) kleinen Durchmessers und dem Abschnitt (43) großen Durchmessers erstreckt, um das Kugellager (20) und den Rotor (10) voneinander wegzuzwängen und zwischen dem Kugellager (20) und dem Rotor (10) einen Spalt sicherzustellen.13. Spindle motor with
a rotor ( 10 ) which has an inside,
a ball bearing ( 20 ) which can be arranged in an axle tube ( 30 ), and
a conical bearing positioning element ( 40 ) which has a section ( 41 ) of small diameter and a section ( 43 ) of large diameter, the section ( 41 ) of small diameter abutting an inner ring ( 20 a) of the ball bearing ( 20 ), the section of large Diameter on the inside of the rotor ( 10 ), and at least one resilient connecting section ( 42 ) extends between the section ( 41 ) of small diameter and section ( 43 ) of large diameter, around the ball bearing ( 20 ) and the rotor ( 10 ) squeeze away from each other and ensure a gap between the ball bearing ( 20 ) and the rotor ( 10 ).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20307984U DE20307984U1 (en) | 2003-05-22 | 2003-05-22 | Bearing positioning element for spindle motor, has sprung connecting section extending between large, small diameter sections to force ball bearing and rotor apart, to ensure gap between them |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20307984U DE20307984U1 (en) | 2003-05-22 | 2003-05-22 | Bearing positioning element for spindle motor, has sprung connecting section extending between large, small diameter sections to force ball bearing and rotor apart, to ensure gap between them |
Publications (1)
Publication Number | Publication Date |
---|---|
DE20307984U1 true DE20307984U1 (en) | 2003-07-24 |
Family
ID=27635617
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE20307984U Expired - Lifetime DE20307984U1 (en) | 2003-05-22 | 2003-05-22 | Bearing positioning element for spindle motor, has sprung connecting section extending between large, small diameter sections to force ball bearing and rotor apart, to ensure gap between them |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE20307984U1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012159798A3 (en) * | 2011-05-20 | 2013-01-31 | Robert Bosch Gmbh | Electric machine having an axial spring element |
-
2003
- 2003-05-22 DE DE20307984U patent/DE20307984U1/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012159798A3 (en) * | 2011-05-20 | 2013-01-31 | Robert Bosch Gmbh | Electric machine having an axial spring element |
US9762100B2 (en) | 2011-05-20 | 2017-09-12 | Robert Bosch Gmbh | Electric machine having an axial spring element |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R207 | Utility model specification |
Effective date: 20030828 |
|
R150 | Term of protection extended to 6 years |
Effective date: 20060524 |
|
R157 | Lapse of ip right after 6 years |
Effective date: 20091201 |