GB2600724A - Preloading bearing assembly - Google Patents
Preloading bearing assembly Download PDFInfo
- Publication number
- GB2600724A GB2600724A GB2017543.6A GB202017543A GB2600724A GB 2600724 A GB2600724 A GB 2600724A GB 202017543 A GB202017543 A GB 202017543A GB 2600724 A GB2600724 A GB 2600724A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bearing assembly
- preloading
- preloading bearing
- assembly according
- busbar
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000036316 preload Effects 0.000 description 5
- 238000004804 winding Methods 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/36—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
- B60T8/3615—Electromagnetic valves specially adapted for anti-lock brake and traction control systems
- B60T8/3675—Electromagnetic valves specially adapted for anti-lock brake and traction control systems integrated in modulator units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/36—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
- B60T8/3615—Electromagnetic valves specially adapted for anti-lock brake and traction control systems
- B60T8/3675—Electromagnetic valves specially adapted for anti-lock brake and traction control systems integrated in modulator units
- B60T8/368—Electromagnetic valves specially adapted for anti-lock brake and traction control systems integrated in modulator units combined with other mechanical components, e.g. pump units, master cylinders
-
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/546—Systems with spaced apart rolling bearings including at least one angular contact 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
- 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
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/45—Brakes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Fluid Mechanics (AREA)
- Motor Or Generator Frames (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
A preloading bearing assembly configure to be used in an electrohydraulic braking unit. is provided. The preloading bearing assembly comprises a modified brushless DC motor busbar 200 provided with holding clips 210 placed on an upper surface of the busbar into which a preloading bearing element 400 is inserted. An electrohydraulic braking unit of a vehicle which includes such a preloading bearing assembly is also disclosed.
Description
Description
Preloading bearing assembly The present invention relates to a preloading bearing assembly configured to be used in an electrohydraulic brake unit of a vehicle.
Such electrohydraulic brake units are known from prior art and are used in large numbers especially in the field of automotive engineering. For example, EP1882295 disclose such an electrohydraulic aggregate with a compact construction, comprising an electric motor with a stator and with a rotor, with magnets or electric windings that produce electromagnetic fields, and with a busbar for connecting the windings to at least one energy supply, the busbar extending through a thru-hole. The thru hole is provided in an accommodating member accommodating electrohydraulic valves as well as a linear actuator for the energy supply of a brake system, the linear actuator being connected to the electric motor. A rotor mounting support is provided, comprising two spaced rotor bearings, of which one so-called A-bearing supports a shaft in the accommodating member, and a so-called B-bearing is supported in a pot-shaped motor housing. Within this arrangement a bearing shield is used, which is a massive component designed to withstand high preload constant forces. The main disadvantage related to this arrangement is the volume occupied by the bearing shield, which further means an extended overall motor length and a voluminous packaging.
For these reasons, the technical problem to be solved is to withstand the high preload constant forces in a cost-efficient manner.
The object of the present invention is to solve the deficiencies of the mentioned prior art and to provide a compact, stable and robust preloading bearing assembly, able to withstand high preload forces.
This object is achieved according to the invention by means of the technical characteristics mentioned in the independent claim, namely a preloading bearing assembly.
Further advantageous embodiments are the subject matter of the dependent claims.
The subject-matter of the present invention is preloading bearing assembly consisting into a motor busbar provided with 15 holding clips into which a preloading bearing impeller is insertable or inserted.
The main advantages of using the preloading bearing assembly according to invention are the reduced cost and simplified design. By providing such a slim component as the preloading bearing assembly, the volume and complexity of the electrohydraulic unit containing it is heavily reduced and the manufacturing costs significantly decrease.
Further special features and advantages of the present invention can be taken from the following description of an advantageous embodiment by way of the accompanying drawings: Fig. 1 is an exploded view of a prior art electrohydraulic brake unit comprising a bearing shield; -Fig. 2 is a sectional view of an electrohydraulic brake unit, provided with a preloading bearing assembly according to invention; Fig. 3 shows views of the preloading bearing assembly, namely: - Fig. 3a shows the upper side of the preloading bearing assembly; 5 -Fig. 3b shows the lower side of the preloading bearing assembly; - Fig. 4 is a lateral view of the preloading bearing assembly; - Fig. 5 is a view of a detail on the preloading bearing assembly.
Referring now to Fig. 1, it shows a prior art electrohydraulic unit configuration, that comprises a motor housing 1, a motor busbar 2, a ball bearing 3, a spring washer 4 and a bearing shield 5. The massive bearing shield 5 is seat for the spring washer 4.
Fig. 2 shows a section view of an electrohydraulic brake unit 100, provided with a preloading bearing assembly according to invention, consisting into a motor busbar 200 adapted to be able to preload a bearing 300 in an inventive manner by means of a preloading bearing element 400. Preloading bearing element 400 is an impeller provided with a central opening and radially extending projections 410.
Fig. 3 shows views of both sides of the preloading bearing assembly, namely a side facing the bearing 300 (as it is shown in Fig. 3a) and the other side facing the motor (as it is shown in Fig. 3b). Motor busbar 200 is provided on the side facing the bearing with holding clips 210 in which the radially projections 410 are inserted; there are provided as well anti-rotation features 220, designed to limit the rotation of the preloading bearing element 400, once inserted into the holding clips 210. The number of holding clips 210 corresponds with the number of radially projections 410 -for example, Fig. 3a presents six projections 410 held by six holding clips 210. The number of anti-rotation features 220 is not equal with the number of projections 410, there is a need for only two of them.
Fig. 4 is a side view of the motor busbar 200 provided with holding clips 210 and anti-rotation features 220. Such a holding clip 210 has a reverse L-shape side section, with an opening into which the preloading bearing element 400 is inserted. Anti-rotation features 220 are elastic protrusions that allow the insertion of the preloading bearing element 400 but limit the rotation of it out of the holding clips.
Fig. 5 is a detailed view of the motor busbar 300 of the 15 preloading bearing assembly.
Taken into consideration the maximum preload forces of 300N and 400N, the motor busbar 200 is made of glass reinforced polyamide. For the preloading bearing element 400, a non-20 magnetic steel is used.
However, while certain embodiments of the present invention have been described in detail, those familiar with the art to which this invention relates will recognize various alternative designs and embodiments for practicing the invention as defined by the following claims.
Claims (7)
- Patent claims 1. Preloading bearing assembly configured to be used in an electrohydraulic braking unit, comprising a brushless DC motor busbar with an upper side and a lower side, provided on the upper side with holding clips, into which a preloading bearing element is inserted.
- 2. Preloading bearing assembly according to claim 1, further 10 comprising anti-rotation features placed on the upper surface of the busbar and consisting into elastic protrusions.
- 3. Preloading bearing assembly according to claim 1, wherein the preloading bearing element is an impeller provided with 15 radially extending projections and a central opening.
- 4. Preloading bearing assembly according to claim 1, wherein the holding clips have reverse L-shape in section.
- 5. Preloading bearing assembly according to claim 1, wherein the number of the projections of the preloading bearing element is the same with the number of the holding clips.
- 6. Preloading bearing assembly according to preceding claims, 25 wherein the preloading bearing element is made of non-magnetic steel.
- 7. Electrohydraulic braking unit of a vehicle comprising a preloading bearing assembly according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2017543.6A GB2600724B (en) | 2020-11-06 | 2020-11-06 | Preloading bearing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2017543.6A GB2600724B (en) | 2020-11-06 | 2020-11-06 | Preloading bearing assembly |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB202017543D0 GB202017543D0 (en) | 2020-12-23 |
| GB2600724A true GB2600724A (en) | 2022-05-11 |
| GB2600724B GB2600724B (en) | 2023-06-14 |
Family
ID=74046344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2017543.6A Active GB2600724B (en) | 2020-11-06 | 2020-11-06 | Preloading bearing assembly |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2600724B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100143065A1 (en) * | 2008-12-05 | 2010-06-10 | Zink Frederick E | Fastener with anti-rotation clip |
| US20120243817A1 (en) * | 2011-03-21 | 2012-09-27 | Maxon Motor Ag | Spring washer and a bearing block including a spring washer |
-
2020
- 2020-11-06 GB GB2017543.6A patent/GB2600724B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100143065A1 (en) * | 2008-12-05 | 2010-06-10 | Zink Frederick E | Fastener with anti-rotation clip |
| US20120243817A1 (en) * | 2011-03-21 | 2012-09-27 | Maxon Motor Ag | Spring washer and a bearing block including a spring washer |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2600724B (en) | 2023-06-14 |
| GB202017543D0 (en) | 2020-12-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6232690B1 (en) | Electronically commutated DC | |
| EP2156536B1 (en) | Axial flux electrical machine | |
| US11608868B2 (en) | Electronic brake motor structure with ball screw | |
| US5811902A (en) | Support structure for electric motor used for operating pump | |
| EP1780870B1 (en) | Magnet fixing structure for electric rotating machine | |
| US20070257569A1 (en) | Electric Machine Comprising an Axial Spring-Loaded Element | |
| GB2510189A (en) | Vibration Safe Motor Fixation in an Actuator | |
| CN103378686B (en) | Motor with brake | |
| US20020009378A1 (en) | Blower | |
| WO2008013053A1 (en) | Cylindrical linear motor armature, cylindrical linear motor field pole, and cylindrical linear motor using them | |
| WO2004092582A2 (en) | Pump motor with bearing preload | |
| WO2000059096A1 (en) | Magnet carrier for motor housing | |
| JP4916500B2 (en) | Electric machine with a magnetic brake directly on the rotor | |
| KR102094085B1 (en) | Hollow Shaft Motor | |
| CN220022493U (en) | Linear motor, suspension system and vehicle | |
| US20180278114A1 (en) | Motor and brake device comprising same | |
| US6577036B2 (en) | Design for frameless cartridge motors | |
| GB2600724A (en) | Preloading bearing assembly | |
| EP0758155B1 (en) | Electric drive motor with a compound bearing assembly | |
| US6995487B2 (en) | Endplay adjustment and bearing decoupling in an electric motor | |
| US8080912B2 (en) | Methods and apparatus for reducing the size of electric motors | |
| JP2009089518A (en) | Linear motor and method for mounting the same | |
| KR101025151B1 (en) | Electric motor comprising a split magnetic feedback element | |
| US20230089611A1 (en) | Motor bearing preloading system with plastic endbells | |
| JP2017034779A (en) | Rotary electric machine |