EP1604140A1 - Ölschleuderscheibe - Google Patents
ÖlschleuderscheibeInfo
- Publication number
- EP1604140A1 EP1604140A1 EP04707892A EP04707892A EP1604140A1 EP 1604140 A1 EP1604140 A1 EP 1604140A1 EP 04707892 A EP04707892 A EP 04707892A EP 04707892 A EP04707892 A EP 04707892A EP 1604140 A1 EP1604140 A1 EP 1604140A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- immersion part
- oil slinger
- lubricant
- thickness
- recess
- 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.)
- Withdrawn
Links
- 239000000314 lubricant Substances 0.000 claims description 36
- 238000007654 immersion Methods 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 description 8
- 230000000875 corresponding effect Effects 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000009736 wetting Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/36—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with feed by pumping action of the member to be lubricated or of a shaft of the machine; Centrifugal lubrication
- F16N7/363—Centrifugal lubrication
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0427—Guidance of lubricant on rotary parts, e.g. using baffles for collecting lubricant by centrifugal force
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0457—Splash lubrication
-
- 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
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/14—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means
- F16N7/16—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means the oil being carried up by a lifting device
- F16N7/20—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means the oil being carried up by a lifting device with one or more members moving around the shaft to be lubricated
- F16N7/22—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means the oil being carried up by a lifting device with one or more members moving around the shaft to be lubricated shaped as rings
Definitions
- the invention relates to an oil slinger for a transmission shaft, which is attached to the transmission shaft in the circumferential direction and in the radial direction and has a plunging part arranged in the region of the outer circumference.
- centrifugal disc for lubricants is already known from EP 0 224 740 AI.
- the centrifugal disc is arranged in a side space of an piston vacuum pump filled with oil on a rotor shaft.
- the centrifugal disc has a radially inwardly open circumferential groove with several spray openings.
- the invention is based on the object of designing and arranging an oil slinger in such a way that use in a limited installation space is ensured.
- the object is achieved in that the immersion part at least partially has at least one edge region on the outer circumference with at least a thickness d that is smaller than the thickness D of the oil slinger. It is thus achieved that the oil spinner disc absorbs lubricant in a very narrow space with the narrower immersion part and delivers it to deposits arranged radially to the oil spinner disc.
- the edge region and / or the immersion part it is advantageous for the edge region and / or the immersion part to have a shape which tapers in cross section in the radial direction. The transition between the oil slinger and the narrower immersion part can also take place continuously, so that the lubricant absorbed in the lubricant sump is not exposed to any break-off edge during the radial flow process.
- an additional possibility is that the edge area is aligned with a first side or a second side with respect to the axial expansion of the oil slinger disc or is arranged offset from the outside inwards between the two sides.
- the oil slinger is only tapered on one side or on both sides in the area of the immersion part, so that there are corresponding effects on the effective level or spray plane of the oil slinger.
- the immersion part distributed over the circumference has at least one recess arranged in the edge region, the radial extent T of which corresponds approximately to the radial extent of the immersion part and the axial extent of which is at least 5% of the thickness D of the oil slinger.
- the axial extent T of the recess must be at least so large that a corresponding lubricant film can set up as it travels through the lubricant sump, which is not prematurely stripped or hindered due to the narrow installation space conditions in the area of further transmission members lying on one side of the oil slinger disc.
- this is axial expansion according to the amount of lubricant to be pumped.
- the recess is arranged on the first and / or second side and the recess is arranged offset on the first and on the second side and with respect to the circumferential direction.
- the staggered arrangement of the recesses distributed over the circumference ensures a sufficient and an almost constant flow of lubricant.
- the number of recesses on both sides varies between 3 and 300, depending on the size of the recess, the size of the oil slinger and the lubricant flow to be pumped.
- the immersion part has at least one nose protruding radially outwards with respect to the circumferential circle.
- the nose protruding outwards guarantees a common collection and detachment point for the lubricant over the circumference of the oil slinger.
- the formation of the nose shape enables the lubricant to be removed precisely.
- the oil slinger has a continuous circumferential line in the area of the nose, so that the flow of the lubricant is guaranteed.
- the immersion part and / or the nose is assigned at least one guide groove arranged on at least one side for use with lubricant.
- the Guide grooves ensure additional lubrication of the immersion part.
- the guide grooves can have a wide variety of widths or depths or also cross-sectional shapes, so that, depending on the viscosity or the speeds used, an optimal lubricant wetting of the oil slinger and thus an adequate lubricant flow is ensured.
- At least two guide grooves have a common exit point, the exit point optionally being arranged at the radially outer end of the nose.
- the immersion part has a rough, structured surface that supports the thickness of the lubricant film.
- the guide groove is oriented in the radial direction, in the circumferential direction and / or the contour of the circumferential circle.
- the shape and the orientation of the guide grooves favor the wetting process by the lubricant on the one hand and the flow process on the other hand by the immersion part of the lubricant centrifugal disc up to an exit point or a tear-off edge of the lubricant.
- Fig. 1 shows a side view of an oil slinger
- Fig.lb is a sectional view of the oil slinger
- Fig. 2 shows a side view of an oil slinger
- Fig. 3 is a sectional view of a transmission
- the oil slinger 1 according to FIG. 1 has a circular basic shape, to which a multiform recess 7 is assigned on the inside.
- the circular disk-shaped oil slinger 1 thus formed has an immersion part 1.3 on the outer circumference.
- the recess 1.4 has an extension in the radial direction which corresponds approximately to that of the circular ring surface or the immersion part 1.3.
- the recess 1.4 has a rectangular cross section with respect to a central or longitudinal axis 2.2, the aspect ratio of height to width being approximately 2: 1. According to FIG.
- the oil slinger 1 is essentially rectangular in cross section with respect to the circumferential direction.
- an edge region 1.8 is provided, the thickness d of which is approximately 40% of the thickness D of the oil slinger and which has an extension corresponding to the oil slinger in the radial direction.
- the edge region 1.8 is also rectangular in cross section with respect to the circumferential direction.
- the rectangular recess 1.4 according to FIG. 1 has a depth T which is approximately 30% of the thickness D of the oil slinger 1.
- Each side 1.1, 1.2 of the oil slinger 1 has seven recesses evenly distributed over the circumference, the recesses 1.4 of the first side 1.1 being offset from the recesses 1.4 'of the second side 1.2.
- the oil slinger 1 has a plurality of guide grooves 1.6, 1.6 'on the outer circumference in the area of the immersion part 1.3.
- the guide grooves 1.6 run circumferentially in this case, that is to say aligned with the outer circumference, all guide grooves 1.6, 1.6 'having a plurality of common exit points 1.7, 1.7'.
- the guide groove 1.6 which is in itself aligned with the outer circumference, leads radially outward, so that lubricant guided therein, due to the existing centrifugal forces, throws off radially outward at this exit point 1.7.
- the exit point 1.7 is optionally arranged in the region of a bulge or nose 1.5 of the circumference.
- Both the guide grooves 1.6 as well as the recesses 1.4 and the edge region 1.8 represent lubricant receptacles to which oil or lubricant adheres when passing through the lubricant sump according to FIG. 3 and which is sprayed radially outwards by the rotation of the oil slinger 1.
- the part of a transmission shown in FIG. 3 has a housing wall 5 in which a first transmission shaft 2 is rotatably mounted via a roller bearing 2.1 and a second transmission shaft 3 via a roller bearing 3.1.
- the first gear shaft 2 is in operative connection with the second gear shaft 3 via a gear 4.1.
- the gear 4.1 is in this case rotatably mounted on the second gear shaft 3 and is brought into engagement with further gear members via coupling means, not shown.
- a further gear 4.2 is also rotatably arranged, which is not in direct engagement with the first gear shaft 2.
- the first gear 4.1 and the second gear 4.2 are spaced apart by a spacer 4.3.
- the oil slinger 1 is arranged on the first shaft 2 in a rotationally fixed manner.
- the oil slinger 1 is in this case with its inner multi-tooth profile according to Figure 1 with the tooth flanks 2.3 of the first shaft 2 in engagement.
- a lubricant sump 8 is provided in the lower part of the transmission, which has a fill level 6.
- the oil slinger 1 with its deepest part is located directly in the lubricant sump 8 and is wetted there with lubricant.
- the lubricant adheres in the area of this immersion part 1.3, that is to say at the edge area 1.8 within the recesses 1.4 and within the guide grooves 1.6.
- the radially acting acceleration forces the lubricant during the turning process of the oil slinger, which takes place synchronously with the first shaft 2, upwards according to FIG. 3 to the spacer 4.3 or the bearing arrangement of the first gear .1 and the second gear 4.2.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Details Of Gearings (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10308367 | 2003-02-27 | ||
DE10308367A DE10308367A1 (de) | 2003-02-27 | 2003-02-27 | Ölschleuderscheibe |
PCT/EP2004/000997 WO2004076911A1 (de) | 2003-02-27 | 2004-02-04 | Ölschleuderscheibe |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1604140A1 true EP1604140A1 (de) | 2005-12-14 |
Family
ID=32920630
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04707892A Withdrawn EP1604140A1 (de) | 2003-02-27 | 2004-02-04 | Ölschleuderscheibe |
Country Status (5)
Country | Link |
---|---|
US (1) | US20060054415A1 (de) |
EP (1) | EP1604140A1 (de) |
JP (1) | JP2006519341A (de) |
DE (1) | DE10308367A1 (de) |
WO (1) | WO2004076911A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT504928B1 (de) * | 2007-02-22 | 2009-01-15 | Engel Austria Gmbh | Spindelantrieb für eine spritzgiessmaschine |
US20140262623A1 (en) * | 2013-03-12 | 2014-09-18 | General Electric Company | Lubrication ring |
US10288081B1 (en) | 2018-04-30 | 2019-05-14 | PumpWorks, LLC | Power end for a single-stage end suction centrifugal pump |
DE102020134475A1 (de) | 2020-12-21 | 2022-06-23 | Bombardier Transportation Gmbh | Vorrichtung zum befördern eines schmieröls einer mechanischen drehmomentübertragungseinrichtung und traktionsgetriebe für schienenfahrzeuge |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2735613A (en) * | 1956-02-21 | Calling | ||
GB449991A (en) * | 1934-10-09 | 1936-07-08 | Viscose Co | Improvements in the lubrication of bearings |
AT186076B (de) * | 1952-11-10 | 1956-07-10 | Geraetebau Eberspaecher Ohg | Vorrichtung zur Förderung von Flüssigkeiten, insbesondere zur Förderung von Schmiermitteln zu Lagerstellen |
US5261676A (en) * | 1991-12-04 | 1993-11-16 | Environamics Corporation | Sealing arrangement with pressure responsive diaphragm means |
EP0614012B1 (de) * | 1993-01-19 | 1996-09-18 | AGINFOR AG für industrielle Forschung | Verdrängermaschine nach dem Spiralprinzip |
US5724934A (en) * | 1993-10-26 | 1998-03-10 | Faraci; John A. | Modular rotary engine, and oil slinger and race seal subassemblies thereof |
US5591020A (en) * | 1994-05-19 | 1997-01-07 | Environamics Corporation | Pump oil mister |
EP0822349B1 (de) * | 1996-08-01 | 2003-04-23 | Jaquar Cars Limited | Lagervorrichtung |
US6460656B1 (en) * | 2000-03-27 | 2002-10-08 | Flowserve Management Company | Dilating lubricant flinger |
US20020170781A1 (en) * | 2001-05-18 | 2002-11-21 | Burkholder Robert F. | Disk oil slinger assembly |
-
2003
- 2003-02-27 DE DE10308367A patent/DE10308367A1/de not_active Withdrawn
-
2004
- 2004-02-04 WO PCT/EP2004/000997 patent/WO2004076911A1/de not_active Application Discontinuation
- 2004-02-04 EP EP04707892A patent/EP1604140A1/de not_active Withdrawn
- 2004-02-04 JP JP2006501726A patent/JP2006519341A/ja active Pending
-
2005
- 2005-08-26 US US11/215,198 patent/US20060054415A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2004076911A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE10308367A1 (de) | 2004-12-02 |
US20060054415A1 (en) | 2006-03-16 |
JP2006519341A (ja) | 2006-08-24 |
WO2004076911A1 (de) | 2004-09-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20050730 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
DAX | Request for extension of the european patent (deleted) | ||
RBV | Designated contracting states (corrected) |
Designated state(s): DE FR GB IT |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: DAIMLERCHRYSLER AG |
|
18D | Application deemed to be withdrawn |
Effective date: 20061031 |