EP1831553A1 - Trockenlaufender taumelscheibenverdichter mit einer wälzgelagerten taumelscheibe - Google Patents
Trockenlaufender taumelscheibenverdichter mit einer wälzgelagerten taumelscheibeInfo
- Publication number
- EP1831553A1 EP1831553A1 EP05850294A EP05850294A EP1831553A1 EP 1831553 A1 EP1831553 A1 EP 1831553A1 EP 05850294 A EP05850294 A EP 05850294A EP 05850294 A EP05850294 A EP 05850294A EP 1831553 A1 EP1831553 A1 EP 1831553A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- swash plate
- bearing
- drive shaft
- running
- swash
- 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
- 230000033001 locomotion Effects 0.000 claims abstract description 18
- 238000005096 rolling process Methods 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 2
- 238000013461 design Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 2
- 150000001721 carbon Chemical class 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/10—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F04B27/1036—Component parts, details, e.g. sealings, lubrication
- F04B27/1054—Actuating elements
- F04B27/1063—Actuating-element bearing means or driving-axis bearing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/10—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F04B27/1036—Component parts, details, e.g. sealings, lubrication
- F04B27/1054—Actuating elements
Definitions
- the invention relates to a dry-running swash plate compressor, in particular for compressed air generation in commercial vehicles, with a swash plate attached to a drive shaft, which converts the driving rotary motion into an oscillating lifting movement via a cooperating with the outer radial edge bearing arrangement, the at least one attached to the bearing assembly piston rod in a assigned cylinder running piston for generating the compressed air forwards.
- oil-lubricated reciprocating compressors are used for the production of compressed air in commercial vehicles.
- the lubrication of these compressors usually takes place from the oil circuit of the engine.
- oil passes through the pistons of the compressor in the generated compressed air.
- significant quantities of oil can enter the environment via the compressed air, namely via various vent openings of the compressed air system.
- Another problem of oil-lubricated reciprocating compressors in the commercial vehicle sector is that ever higher operating pressures demanded from the compressor, which is accompanied by quite high thermal stresses, which leads to coking of a part of the oil passed into the compressed air.
- EP 0 859 151 A2 discloses a compressor for generating compressed air in commercial vehicles, which solves this problem in that the compressor is designed here to run as dry as possible.
- the compressor is constructed in the manner of a swash plate compressor and has only a conventional oil-lubricated engine, which consists essentially of a arranged on a drive shaft swash plate with hemispheres in bearing cups, which form a bearing assembly for transmitting the rotational movement in an oscillating stroke. From the bearing assembly extend piston rods to various pistons, which generate by a reciprocating motion in associated cylinders in a conventional manner, the compressed air.
- Usually several pistons are arranged on a circumferential circle adjacent to each other in order to realize the highest possible delivery of the swash plate compressor.
- the attachment of the swash plate to the drive shaft is usually via a hub-shaft connection or by shrinking the central bore having a swash plate on the drive shaft.
- the connection is detachable for repair purposes.
- there is an insoluble compound insoluble compound.
- a critical issue in the prior design of the swashplate compressor engine is the design of the bearing assembly cooperating with the outer radial edge region of the swashplate. Because of the relative movement of the swash plate against the hemispheres of the bearing assembly here is a particularly high friction stress, which has previously been reduced by lubricating measures to a tolerable level. In particular, as a result of the startup of the drive shaft caused by the standstill jerking movements is the
- Bearing arrangement additionally heavily loaded.
- the bearing assembly is also exposed to heavy loads when the piston perform their working movements against a high back pressure.
- the invention includes the technical teaching that the swash plate is secured via at least one axial and radial forces receiving rolling bearing on the drive shaft, which is arranged coaxially with the swash plate, so that the swash plate is rotatable about its longitudinal axis about the drive shaft.
- the advantage of the solution according to the invention consists, in particular, in that a more favorable distribution of forces of the driving force towards the bearing arrangement is realized via the roller bearing. Jerk movements of the drive shaft are compensated by a corresponding pivoting of the relative position of the swash plate to the drive shaft. This results in less friction on the cooperating with the outer radial edge region of the swash plate bearing assembly, which ultimately leads to less heat. This is the prerequisite for the fact that the compressor according to the invention is no longer drivable only by the powerful vehicle engine, but also by a separate auxiliary engine or by a drive energy branched off from the drive train.
- the rolling bearing is designed in the manner of a deep groove ball bearing.
- the deep groove ball bearing can absorb both axial and radial forces and thus ensures a particularly compact design for the rolling bearing.
- the rolling bearing from a combination of a radial bearing with a thrust bearing.
- This separate storage proves to be considerably cheaper compared to a deep groove ball bearing.
- a bearing combination is more robust, so that a longer life can be achieved.
- an axial bearing for such a combined roller bearing for example, an axial ball bearing is suitable.
- other suitable thrust bearings are used.
- a radial bearing is primarily a needle roller bearing, since this can be combined to save space with a thrust bearing.
- the at least one roller bearing should be lubricated via a pressure oil supply extending through the drive shaft to the roller bearing. This requires that pass through the drive shaft corresponding oil channels.
- At least one rolling bearing can lubricate via spray oil, which exits, for example, from the point of entry of the drive shaft into the compressed-air-side guide bore in the housing.
- spray oil which exits, for example, from the point of entry of the drive shaft into the compressed-air-side guide bore in the housing.
- form at least one rolling bearing between the drive shaft and swash plate as a permanently lubricated roller bearing.
- FIG. 2 shows a longitudinal section as an enlarged detail in the region of the swash plates according to a first embodiment
- FIG. 3 shows a longitudinal section as an enlarged detail in the region of the swash plates according to a second embodiment.
- the dry-running swash plate compressor illustrated in FIG. 1 has a drive shaft 1 on the part of the engine, which is set into rotary motion by a motor (not shown here).
- a swash plate 2 On the drive shaft 1 is a swash plate 2 via a - not visible here - fixed bearings.
- the swash plate 2 sets via a bearing assembly 3, the rotational movement of a drive shaft 1 in an oscillating
- the lifting movement is attached to a on the bearing assembly 3 Transfer piston rod 4.
- the piston rod 4 forwards the reciprocating motion generated due to the rotation of the swash plate 2 to a piston 5 which is coaxially fixed to the end of the piston rod 4 opposite the bearing assembly 3.
- the piston 5 runs within an associated cylinder, in which the compressed air is generated due to the movement of the piston 5.
- a suction of air from the atmosphere takes place through the piston 5, which has a check valve assembly 7 for this purpose.
- the compressed air leaves the cylinder 6 via a further correspondingly designed check valve arrangement 8 on the cylinder piston 9, which is attached to the valve housing 10. Via a guide bore 11, the piston rod 4 is guided axially relative to the compressor housing 10.
- the swash plate 2 is mounted on the manner of a deep groove ball bearing 12 rolling bearing, which is arranged coaxially with the swash plate 2 and ensures a so-called four-point storage.
- the swash plate 2 is rotatable about the drive shaft 1 along its longitudinal axis.
- the deep groove ball bearing 12 is lubricated via a through the drive shaft 1 to the deep groove ball bearing 12 extending pressure oil supply 15.
- the radial bearing 13 is here designed in the manner of a ball bearing, whereas the thrust bearing 14 formed in the manner of Axiahillenkugellagers is.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Compressor (AREA)
- Drying Of Solid Materials (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004061235A DE102004061235A1 (de) | 2004-12-20 | 2004-12-20 | Trockenlaufender Taumelscheibenverdichter mit einer wälzgelagerten Taumelscheibe |
PCT/EP2005/013605 WO2006066831A1 (de) | 2004-12-20 | 2005-12-16 | Trockenlaufender taumelscheibenverdichter mit einer wälzgelagerten taumelscheibe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1831553A1 true EP1831553A1 (de) | 2007-09-12 |
EP1831553B1 EP1831553B1 (de) | 2008-04-23 |
Family
ID=36127060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05850294A Not-in-force EP1831553B1 (de) | 2004-12-20 | 2005-12-16 | Trockenlaufender taumelscheibenverdichter mit einer wälzgelagerten taumelscheibe |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1831553B1 (de) |
AT (1) | ATE393313T1 (de) |
DE (2) | DE102004061235A1 (de) |
WO (1) | WO2006066831A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014209894A1 (de) * | 2014-05-23 | 2015-11-26 | Mahle International Gmbh | Axialkolbenmaschine |
CN114673645A (zh) * | 2022-03-14 | 2022-06-28 | 杭州新亚低温科技有限公司 | 一种耐磨损的高压压缩机 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL83276C (de) * | ||||
JPH10159723A (ja) * | 1996-11-26 | 1998-06-16 | Nippon Soken Inc | 斜板型圧縮機 |
JPH10196525A (ja) * | 1997-01-09 | 1998-07-31 | Sanden Corp | 斜板式圧縮機 |
DE19706066A1 (de) * | 1997-02-17 | 1997-11-20 | Hans Dipl Ing Unger | Kompressor, insbesondere für die Drucklufterzeugung in Kraftfahrzeugen |
JPH10311276A (ja) * | 1997-05-13 | 1998-11-24 | Zexel Corp | 揺動板式圧縮機 |
DE10250649A1 (de) * | 2002-10-30 | 2004-05-13 | Zexel Valeo Compressor Europe Gmbh | Axialkolbenverdichter, insbesondere CO2-Verdichter für Kraftfahrzeugklimaanlagen |
US7153105B2 (en) * | 2003-04-24 | 2006-12-26 | Haldex Brake Corporation | Compressor with swash plate housing inlet port |
US20050207905A1 (en) * | 2004-03-18 | 2005-09-22 | Koelzer Robert L | Fixed angle swash plate compressor |
-
2004
- 2004-12-20 DE DE102004061235A patent/DE102004061235A1/de not_active Withdrawn
-
2005
- 2005-12-16 EP EP05850294A patent/EP1831553B1/de not_active Not-in-force
- 2005-12-16 WO PCT/EP2005/013605 patent/WO2006066831A1/de active IP Right Grant
- 2005-12-16 AT AT05850294T patent/ATE393313T1/de not_active IP Right Cessation
- 2005-12-16 DE DE502005003880T patent/DE502005003880D1/de active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2006066831A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE502005003880D1 (de) | 2008-06-05 |
EP1831553B1 (de) | 2008-04-23 |
DE102004061235A1 (de) | 2006-07-06 |
ATE393313T1 (de) | 2008-05-15 |
WO2006066831A1 (de) | 2006-06-29 |
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