EP3837439A1 - Hubkolbenkompressor - Google Patents
HubkolbenkompressorInfo
- Publication number
- EP3837439A1 EP3837439A1 EP19745087.7A EP19745087A EP3837439A1 EP 3837439 A1 EP3837439 A1 EP 3837439A1 EP 19745087 A EP19745087 A EP 19745087A EP 3837439 A1 EP3837439 A1 EP 3837439A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- crankshaft
- bearing
- reciprocating compressor
- lubricating oil
- carrier part
- 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
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
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/05—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by internal-combustion engines
-
- 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
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/01—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being mechanical
-
- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0094—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 crankshaft
-
- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/121—Casings
-
- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/14—Provisions for readily assembling or disassembling
Definitions
- the invention relates to a reciprocating compressor for attachment to and drive via an internal combustion engine.
- a reciprocating compressor of this type comprises a crankcase, a carrier part and a crankshaft which is rotatably mounted relative to the crankcase by means of an A bearing and a B bearing.
- Such a reciprocating compressor is known for example from DE 10 2009 012 214 A1. It is a two-stage or multi-stage compressor for compressing a gas.
- the crankshaft is mounted opposite the crankcase via a first and a second bearing.
- a flange is provided which is centered with respect to the crankcase and which is screwed onto the end face of the crankcase.
- the second bearing is arranged between the flange and the crankshaft.
- an installation space is required for the flange in the axial direction, which must be relatively large in order to enable a screw connection to the internal combustion engine.
- Compressors are also known which have an additional clutch between the compressor and the drive motor.
- Such a compressor is known from DE 10 2009 018 842 A1, in which the coupling device is arranged on the compressor housing and protrudes from the housing of the compressor at least with an area containing at least one coupling means.
- the coupling increases the installation space required in the axial direction, so that such compressors are usually too long to be installed in a given installation space.
- the invention relates to a reciprocating compressor, for mounting on and drive via an internal combustion engine, comprising a crankcase, a carrier part and a crankshaft which is rotatably supported relative to the crankcase by means of an A bearing and a B bearing.
- the A-bearing is arranged between the compressor and the internal combustion engine
- the carrier part is arranged between the A-bearing and the crankshaft housing, the carrier part being essentially pushed into the crankshaft housing and being centered by the latter. Pushing it into the crankshaft housing improves the structure and the assemblability. For example, the tolerance tolerances between bearings A and B are reduced. Furthermore, the carrier part no longer has a flange via which the compressor was connected to the motor in StdT. The support part now only needs to be screwed against rotation with the crankshaft housing. It is also proposed that a centering projection and a flange connection be provided on the crankshaft housing for the coupling between the internal combustion engine and the reciprocating piston compressor. The crankshaft housing can be flanged directly to the internal combustion engine. Only a seal between the compressor and the drive motor is necessary.
- a switchable clutch can be arranged between the crankshaft and carrier part, by means of which drive power can be transmitted from the drive wheel rotatably mounted on the crankshaft to the crankshaft.
- the primary side of the clutch is rotatably coupled to the drive wheel, eg gear and the secondary side of the clutch to the crankshaft.
- the clutch In the non-actuated state, the clutch is preferably in the closed position, so that the grain pressor is driven. This ensures that the compressor is only switched off when it is actively intended.
- the clutch can, for example, include a pneumatically actuated cylinder which can be supplied with compressed air via a control air connection in the crankshaft housing.
- the control air duct runs through the crankshaft housing and the carrier part, a separating plane extending at an angle to the axis of rotation being provided between the crankshaft housing and the carrier part.
- the angular arrangement of the parting line provides an easy-to-seal interface between the components, which can be sealed using a simple O-ring and which at the same time allows cost-effective production.
- crankshaft housing is designed as a cast part, which, viewed in the axial direction, is designed to be closed on the B-bearing side, a lubricating oil connection being provided via which the B-bearing can be supplied with lubricating oil.
- the bearing cover as is customary in StdT, is no longer required.
- the lubricating oil connection via the B-bearing is connected to a lubricating oil channel running through the crankshaft, via which the A-bearing, the clutch and other bearing points of the reciprocating compressor can be supplied with lubricating oil.
- the other bearings are, for example, the connecting rod bearings.
- crankshaft chamber of the crankshaft housing can be connected to the oil chamber of the internal combustion engine via connecting channels in the carrier part, so that excess oil can flow back into the engine oil sump.
- a lubricating oil circuit through a reciprocating piston compressor as described above is proposed, in which a device is provided by means of which lubricating oil can be pumped into the lubricating oil channel via the lubricating oil connection and the B bearing, each bearing point of the compressor being traversed by a partial oil flow, whereby the partial flows in the crankshaft housing after the flow the bearing points collect and be returned to the engine oil sump via the connecting channels in the carrier part.
- FIG. 1 View of the connecting flange of the compressor
- FIG. 1 shows a view of the reciprocating compressor in the direction of the connecting flange.
- the cylinder head 4 shows the crankcase 5, with the cylinder area at the top and the crankshaft area at the bottom.
- the compressor 1 is fastened to the engine housing via the compressor flange 19, which is made in one piece with the crankshaft housing 5.
- Figure 2 shows the sectional view with the section B-B through the compressor 1 in the region of the crankshaft.
- the crankshaft housing 5 is designed as a cast part, this B-bearing side 11 being closed.
- the carrier part 13 is arranged in the crankshaft housing 5, the carrier part 13 being pushed into the crankshaft housing 5 and screwed to it.
- the carrier part can be designed with and without the clutch 16 and the associated actuating cylinder 15, depending on whether the compressor 1 is to be switchable or non-switchable.
- the type of design of the support part 13 enables flexible use, which for example also allows different crankshaft housing designs to be combined with the same clutch unit 16 in the support part 13.
- a prefabricated assembly consisting of carrier part 13 and coupling 16 can simply be plugged onto crankshaft 8, pushed into the crankcase and screwed together for axial and radial fixation.
- the crankshaft 8 is supported via the B bearing directly opposite the crankshaft housing 5 and on the carrier part side via the A bearing 12 which is arranged in the carrier part 13.
- the carrier part is centered on a fit in the crankshaft housing 5 and is arranged entirely within the crankshaft housing 5.
- the lubricating oil circuit from FIG. 2 can also be seen.
- the necessary lubricating oil is pumped by a device or pump (not shown here), preferably from the oil sump of the drive motor, to the lubricating oil connection 10 on the crankshaft housing 5. From there it reaches the lubricating oil channel 9.1 to 9.6 via the B bearing 11.
- a partial oil flow which supplies or flows through the bearings with oil, reaches all bearing points via the lubricating oil channel 9.1 to 9.6, whereby the partial oil flows collect again in the crankshaft housing and are returned to the engine oil sump via the connecting channels 21 in the carrier part 13 become.
- Figure 3 shows the section A-A through the compressor flange area. From this illustration it can be seen how the actuating cylinder 15 is actuated to actuate the clutch 16. Compressed air enters the cylinder space of the actuating cylinder 15 via the control air connection 14 and the control air channel 25 when the latter is to be moved into the open position. If there is no compressed air, the clutch 15 is closed and the compressor 1 is driven.
- the control air duct 25 runs through the crankshaft housing 5 and the carrier part 13, a parting plane running at an angle to the axis of rotation between the crankshaft length housing 5 and support member 13 is provided.
- the separation point can be sealed using a simple O-ring seal.
- the screw plug 22a closes the control air channel 25, which is very easy to manufacture due to its oblique course.
- the lubricating oil channel 9.1 to 9.6 is also closed on the motor connection side by means of a screw plug 22b.
- the construction described also has the advantage that the construction is significantly simplified and the production costs can be reduced. Furthermore, the weight is reduced, since the simple construction eliminates additional flanges, such as the carrier part flange and the B-bearing cap flange.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Compressor (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018119924.4A DE102018119924A1 (de) | 2018-08-16 | 2018-08-16 | Hubkolbenkompressor |
| PCT/EP2019/069733 WO2020035266A1 (de) | 2018-08-16 | 2019-07-23 | Hubkolbenkompressor |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP3837439A1 true EP3837439A1 (de) | 2021-06-23 |
| EP3837439B1 EP3837439B1 (de) | 2023-06-28 |
| EP3837439C0 EP3837439C0 (de) | 2023-06-28 |
Family
ID=67441103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19745087.7A Active EP3837439B1 (de) | 2018-08-16 | 2019-07-23 | Hubkolbenkompressor |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3837439B1 (de) |
| DE (1) | DE102018119924A1 (de) |
| WO (1) | WO2020035266A1 (de) |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3211365A (en) * | 1961-10-16 | 1965-10-12 | Copeland Refrigeration Corp | Compressor structure |
| GB1082686A (en) * | 1963-06-27 | 1967-09-06 | J & E Hall Ltd | Improvements in and relating to compressors |
| US3335942A (en) * | 1966-01-03 | 1967-08-15 | John W Seigart | Hermetic motor compressor |
| DE8021411U1 (de) * | 1980-08-09 | 1980-11-13 | Knorr-Bremse Gmbh, 8000 Muenchen | Regeleinrichtung fuer einen kompressor, insbesondere zum betrieb in kraftfahrzeugen |
| GB2162254B (en) * | 1984-03-30 | 1988-02-03 | Grau Girling Limited | Air compressor drive clutch |
| US4657127A (en) * | 1984-06-19 | 1987-04-14 | Baruffaldi Frizioni Spa | Clutch for linking a compressor with a drive means therefor |
| EP0270713B1 (de) * | 1986-12-12 | 1991-08-28 | Bendix Limited | Verdichteraggregat |
| DE4110912A1 (de) * | 1990-04-18 | 1991-10-24 | Bauer Kompressoren | Trockenlaufender hubkolben-kompressor |
| GB9625938D0 (en) * | 1996-12-13 | 1997-01-29 | Knorr Bremse Systeme | Clutch driven gas compressor |
| EP1995482B1 (de) * | 2007-05-25 | 2012-07-18 | Hoerbiger Drivetrain Mechatronics B.V.B.A. | Motor-Kompressor-Einheit |
| DE102009012214A1 (de) | 2009-03-07 | 2009-10-29 | Daimler Ag | Radspoileranordnung für ein Fahrzeug |
| DE102009018842A1 (de) | 2009-04-17 | 2010-10-21 | Juliane Delkeskamp | Vorrichtung zur Visualisierung |
| DE102009020070A1 (de) * | 2009-05-06 | 2010-11-11 | Wabco Gmbh | Kompressor mit Kupplungseinrichtung |
| DE102016014787A1 (de) * | 2016-12-10 | 2018-06-14 | Wabco Gmbh | Verdichteranordnung, Druckluftversorgungsanlage zum Betreiben einer Pneumatikanlage und Verfahren zur Montage einer Verdichteranordnung |
-
2018
- 2018-08-16 DE DE102018119924.4A patent/DE102018119924A1/de active Pending
-
2019
- 2019-07-23 WO PCT/EP2019/069733 patent/WO2020035266A1/de not_active Ceased
- 2019-07-23 EP EP19745087.7A patent/EP3837439B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| DE102018119924A1 (de) | 2020-02-20 |
| EP3837439B1 (de) | 2023-06-28 |
| EP3837439C0 (de) | 2023-06-28 |
| WO2020035266A1 (de) | 2020-02-20 |
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