EP2185820A1 - Kompakter trockenlaufender kolbenverdichter - Google Patents
Kompakter trockenlaufender kolbenverdichterInfo
- Publication number
- EP2185820A1 EP2185820A1 EP08785677A EP08785677A EP2185820A1 EP 2185820 A1 EP2185820 A1 EP 2185820A1 EP 08785677 A EP08785677 A EP 08785677A EP 08785677 A EP08785677 A EP 08785677A EP 2185820 A1 EP2185820 A1 EP 2185820A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing half
- electric motor
- piston compressor
- housing
- compressor according
- 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
- 238000001816 cooling Methods 0.000 claims abstract description 31
- 238000005192 partition Methods 0.000 claims abstract description 13
- 238000005096 rolling process Methods 0.000 claims description 19
- 238000004804 winding Methods 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 2
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- 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
- F04B39/06—Cooling; Heating; Prevention of freezing
-
- 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
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/128—Crankcases
Definitions
- the present invention relates to a compact dry-running piston compressor, in particular for commercial vehicles, with at least one cylinder for compressing air by means of an associated piston, which is movable by an electric motor of a crankshaft and connecting rod crank mechanism which rotatably mounted in a ⁇ lbadenfin compressor housing over permanently lubricated bearings is and generates a housing-internal cooling air flow as a result of the movement cycle.
- the field of application of the present invention extends primarily to rail vehicle and commercial vehicle construction.
- auxiliary compressors small electric motor driven units used, which generate compressed air for in-vehicle consumers.
- oil-lubricated reciprocating compressors were used for this purpose.
- Novel compressor concepts based on reciprocating compressors also allow oil-free operation.
- the bearings of the crank mechanism are here rolling bearings and provided the rolling bearings with a local permanent lubrication.
- the oil-free piston compressor was developed in particular for maintenance and environmental reasons.
- the piston compressor consists essentially of a compressor unit for generating compressed air, which is driven by a drive unit for generating a rotational movement.
- the drive unit is usually behind Formed type of electric motor.
- a crankshaft is rotatably mounted within the crankcase of the compressor unit.
- two connecting rods which communicate with associated pistons to convert the drive-side rotational movement into a linear movement of the pistons which are housed to compress air within associated cylinders.
- the cylinders are mounted here in 180 ° position on the crankcase.
- an inlet-side valve is provided which, when the negative pressure in the crankcase generated by the movement of the piston, reaches its open position. Over this cooling air is drawn in from the outside and at least a second spaced therefrom arranged on the crankcase outlet-side valve passes in a generated by the movement of the piston pressure in the crankcase in its open position. As a result, used cooling air is expelled, so that as a result of the movement cycle of the piston, an internal cooling air flow flows through the crankcase.
- the invention includes the technical teaching that the compressor housing comprises two housing halves separated by a partition to accommodate the crank drive within the first housing half and accommodate the electric motor within the second housing half, wherein in the partition wall a rolling bearing common to the crank drive and the electric motor is used which is located in the first half of the housing passing cooling air flow.
- the advantage of the solution according to the invention is in particular that a common housing for the compressor unit and the drive is provided, which ensures complete isolation from polluted environments. At the same time, the thermal problems associated with such encapsulation are solved in total for the compressor unit and drive unit with a common cooling air flow.
- the solution according to the invention is based on the recognition that the output-side head of motor windings is the decisive heat source, which can be efficiently cooled by local cooling measures in conjunction with a common housing.
- the solution according to the invention is optimized with regard to the required number of roller bearings. Thus, a single rolling bearing can be used jointly for the electric motor and the crankshaft bearing. If this is deliberately cooled, a sufficient cooling effect for the electric motor is achieved, which is made possible by the heat conduction in the region of the partition wall.
- At least one opening for deflecting parts of the cooling air flow of the first housing half into the second housing half is provided in the dividing wall.
- the crankshaft is rotatably mounted in addition to the rolling bearing arranged in the partition to the other side by a further rolling bearing.
- a total of two bearings for the crankshaft are sufficient to rotatably mount the crank mechanism together with the electric motor.
- the further rolling bearing can be used in a capsuled in the basic form flat lid of the first half of the housing to the outside encapsulated.
- the flat lid does not significantly increase the outer geometric dimensions of the reciprocating compressor. At the same time the flat lid creates an easy to disassemble access to the interior of the crankcase.
- the second rolling bearing should also be in the first half of the housing passing cooling air flow.
- crankshaft and rotor In order to maximize compactness, it is proposed to mount the rotor of the electric motor directly on an end of the crankshaft projecting into the second half of the housing. This attachment can be done via a conical flange with frontal screw. In addition, however, it is also conceivable to form the crankshaft and rotor in one piece. This makes sense especially when the electric motor is designed in the manner of a brushless electric motor whose rotor is to be equipped only with permanent magnets. In contrast, the stator is provided with electrical coil windings.
- the commutation electronics required for such a brushless electric motor can likewise be integrated into the second housing half in a simple manner.
- the commutation electronics should be arranged on a flat-building board, which is arranged in the region of the housing wall. For better accessibility of the commutation this can be closed with a screw-on lid.
- the second housing half is closed at the front with a likewise flat in the basic form lid. After assembling this Lids the interior of the electric motor for maintenance and repair purposes accessible.
- the integrated compressor housing designed according to the invention also has, in the region of the first housing half, an opening for the detachable attachment of a cylinder, which is preferably designed as a separate component. Due to the separate design of the cylinder, the integrated compressor housing can be performed with the two housing halves casting technology in a simple manner, preferably in light metal casting.
- inflow channels are provided in the piston compressor whose cross sections vary so that the individual assemblies are flowed through with different cooling air streams.
- the individual assemblies here are the crankcase, the winding space of the electric motor and the commutation electronics.
- the advantage here is that the corresponding areas are optimally supplied with a sufficient amount of cooling air.
- Figure 1 shows a longitudinal section through a compact dry-running
- Figure 2 shows a longitudinal section through a compact dry-running
- Piston compressor with inflow channels the compressor has a single cylinder 1, in which a piston 2 is arranged for compressing sucked from the environment via a cylinder cover 3 compressed air.
- the linear working movement for the piston 2 is generated by a crank mechanism, which consists essentially of crankshaft 4 with connecting rod 5.
- the crankshaft 4 is rotatably supported relative to the compressor housing 7 via two rolling bearings 6a and 6b.
- the compressor housing 7 consists of a first housing half 8, which forms the crankcase and a second housing half 9, which houses an electric motor 10.
- the electric motor 10 is designed in this exemplary embodiment as a brushless electric motor and comprises a stator 1 1 of coil windings with iron core, which cooperates with a rotor 12 equipped with permanent magnets.
- the rotor 12 of the electric motor 10 is screwed to a conical end of the crankshaft 4 projecting into the second housing half 9.
- a commutation electronics 13 of the electric motor 10 is integrated in the wall of the second housing half 9.
- the commutation electronics 13 is housed on a circuit board.
- the second housing half 9 is closed with a flat cover 14 frontally via individual screws.
- the first housing half 8 has a flat in the basic form cover 15, which closes these frontally via screw.
- the cover 15 of the first housing half 8 includes a seat for the rolling bearing 6a of the crankshaft 4.
- the other rolling bearing 6b of the crankshaft 4 is placed in a partition wall 16 of the compressor housing 8.
- the rolling bearing 6b is provided both for one-sided mounting of the crankshaft 4 and for supporting the rotor 12 of the electric motor 10.
- Both rolling bearings 6a and 6b are in a first housing half 8 passing cooling air flow.
- the cooling air flow passes valve-controlled via a cylinder-side channel 17 due to the movement cycle of the crank mechanism in the interior of the first housing half 8 and exits through a valve-connected opening 18.
- the cooling air flow is thereby passed through the first housing half 8, that both rolling bearings 6a and 6b are cooled thereby.
- the partition wall 16 For deflecting parts of the cooling air flow of the first housing half 8 in the second housing half 9, the partition wall 16 a ring of openings 19.
- inlet flow channels 20 are provided in Figure 2, which are supplied via the channel 17 with air.
- These inflow passages convey cooling air to the individual components, the amount of cooling air being defined by the respective cross sections.
- the flow of air is illustrated by the hollow arrows in the figure.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007042318.9A DE102007042318B4 (de) | 2007-09-06 | 2007-09-06 | Kompakter trockenlaufender Kolbenverdichter |
| PCT/EP2008/006916 WO2009033556A1 (de) | 2007-09-06 | 2008-08-22 | Kompakter trockenlaufender kolbenverdichter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2185820A1 true EP2185820A1 (de) | 2010-05-19 |
| EP2185820B1 EP2185820B1 (de) | 2019-04-10 |
Family
ID=40039675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP08785677.9A Not-in-force EP2185820B1 (de) | 2007-09-06 | 2008-08-22 | Kompakter trockenlaufender kolbenverdichter |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20100221128A1 (de) |
| EP (1) | EP2185820B1 (de) |
| CN (1) | CN101796297B (de) |
| BR (1) | BRPI0816383B1 (de) |
| DE (1) | DE102007042318B4 (de) |
| WO (1) | WO2009033556A1 (de) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1399335B1 (it) * | 2009-09-02 | 2013-04-16 | Dorin Mario Spa | Compressore per impianti di refrigerazione e/o condizionamento. |
| FR2950270A1 (fr) * | 2009-09-22 | 2011-03-25 | Air Liquide | Dispositif de distribution de jets de fluide sans joint tournant avec moyens de refroidissement des parties mobiles |
| US9856866B2 (en) * | 2011-01-28 | 2018-01-02 | Wabtec Holding Corp. | Oil-free air compressor for rail vehicles |
| JP5748106B2 (ja) * | 2011-06-03 | 2015-07-15 | アイシン精機株式会社 | 流体ポンプ |
| JP6178309B2 (ja) * | 2012-05-18 | 2017-08-09 | 株式会社ヴァレオジャパン | 電動圧縮機 |
| WO2014094801A1 (en) * | 2012-12-20 | 2014-06-26 | Aktiebolaget Skf | Machine arrangement |
| DE102013101498A1 (de) * | 2013-02-14 | 2014-08-28 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Kurbeltriebanordnung eines vorzugsweise ölfreien Kolbenverdichters |
| DE102013003513A1 (de) * | 2013-03-04 | 2014-09-04 | Wabco Gmbh | Verdichteranordnung zum Betreiben einer Druckluftversorgungsanlage, Druckluftversorgungsanlage und Druckluftversorgungssystem sowie Fahrzeug mit einer solchen Druckluftversorgungsanlage |
| EP2886862B1 (de) * | 2013-12-17 | 2020-09-02 | Kaeser Kompressoren Se | Kompressor |
| US20150322937A1 (en) * | 2014-05-09 | 2015-11-12 | Westinghouse Air Brake Technologies Corporation | Oil-free compressor crankcase cooling arrangement |
| DE102014217006A1 (de) * | 2014-08-26 | 2016-03-03 | BSH Hausgeräte GmbH | Verfahren zum Anhalten eines Verdichters und Verdichter eines Kältegerätes |
| WO2017000241A1 (zh) * | 2015-06-30 | 2017-01-05 | 安徽美芝制冷设备有限公司 | 压缩机 |
| CN105673435B (zh) * | 2016-01-27 | 2018-01-05 | 蚌埠移山压缩机制造有限公司 | 一种新型气体压缩机 |
| US10238146B2 (en) | 2016-02-27 | 2019-03-26 | Brandon Nedelman | Hookah vaporizor machine |
| CN106014918B (zh) * | 2016-05-13 | 2018-10-12 | 蚌埠市金鹏燃气设备制造有限公司 | 一种实用气体压缩机 |
| CN105864001B (zh) * | 2016-05-13 | 2018-10-12 | 蚌埠市金鹏燃气设备制造有限公司 | 一种提高气体洁净程度的气体压缩机 |
| DE102016011442A1 (de) * | 2016-09-21 | 2018-03-22 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | System für ein Nutzfahrzeug umfassend einen Schraubenkompressor sowie einen Elektromotor |
| DE102016011504A1 (de) | 2016-09-21 | 2018-03-22 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | System für ein Nutzfahrzeug umfassend einen Schraubenkompressor sowie einen Elektromotor |
| US10208743B2 (en) * | 2016-10-07 | 2019-02-19 | Westinghouse Air Brake Technologies Corporation | Piston cylinder arrangement for an oil free compressor having cooling passageways and method of cooling wrist pin bearing surface |
| DE102016014787A1 (de) * | 2016-12-10 | 2018-06-14 | Wabco Gmbh | Verdichteranordnung, Druckluftversorgungsanlage zum Betreiben einer Pneumatikanlage und Verfahren zur Montage einer Verdichteranordnung |
| DE102017009842A1 (de) | 2017-10-23 | 2019-04-25 | Wabco Gmbh | Verdichteranordnung zum Betreiben einer Druckluftversorgungsanlage, Druckluftversorgungsanlage, Fahrzeug |
| DE102018005567A1 (de) | 2018-07-13 | 2020-01-16 | Daimler Ag | Antriebseinrichtung für ein Kraftfahrzeug, insbesondere für einen Kraftwagen |
| DE102018124757B4 (de) * | 2018-10-08 | 2024-01-11 | Nabtesco Automotive Corporation | Elektrisch angetriebene Verdichteranordnung |
| DE102018129473B4 (de) * | 2018-11-22 | 2025-12-11 | Bitzer Kühlmaschinenbau Gmbh | Kältemittelverdichter |
| US11333140B2 (en) | 2019-06-11 | 2022-05-17 | Caterpillar Inc. | Cooling block for multi-cylinder air compressor |
| CN111237164B (zh) * | 2020-01-16 | 2022-03-25 | 湖北气佬板节能技术有限公司 | 一种易于维护的空压机活塞装置 |
| US11396868B2 (en) * | 2020-03-09 | 2022-07-26 | Schaeffler Technologies AG & Co. KG | Linear actuator pumping system |
| CN111396290A (zh) * | 2020-04-22 | 2020-07-10 | 瑞立集团瑞安汽车零部件有限公司 | 一种车用空气压缩机及其智能供气系统装置 |
| CN118401793A (zh) * | 2021-12-03 | 2024-07-26 | 能量回收股份有限公司 | 包括压缩机的流体处理系统 |
| DE102023114839A1 (de) | 2023-06-06 | 2024-12-12 | Zf Cv Systems Europe Bv | Verfahren zur Steuerung eines trockenlaufenden Kolbenkompressors sowie Kolben-kompressor zur Durchführung dieses Verfahrens |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2846140A (en) * | 1952-09-17 | 1958-08-05 | Garrett Corp | Refrigeration compressor |
| US3338509A (en) * | 1965-07-07 | 1967-08-29 | Borg Warner | Compressors |
| CH504621A (de) * | 1968-08-24 | 1971-03-15 | Bbc Brown Boveri & Cie | Hermetisch oder semihermetisch gekapselter Motorverdichter |
| DE1806964A1 (de) * | 1968-11-05 | 1970-07-02 | Bbc Brown Boveri & Cie | Hermetisch oder semihermetisch gekapselter Motorverdichter |
| DD238645A1 (de) * | 1985-06-26 | 1986-08-27 | Pumpen & Verdichter Veb K | Kleinstverdichteranlage |
| US5139394A (en) * | 1990-04-13 | 1992-08-18 | Kabushiki Kaisha Toshiba | Axial flow compressor with insertable bearing mount |
| CH684020A5 (de) * | 1990-04-18 | 1994-06-30 | Bauer Kompressoren | Trockenlaufender Hubkolben-Kompressor. |
| AT403882B (de) * | 1996-09-24 | 1998-06-25 | Buermoos Dentalwerk | Dentales handstück |
| DE19726943C2 (de) * | 1997-06-25 | 2000-03-23 | Bitzer Kuehlmaschinenbau Gmbh | Kältemittelkompressor |
| DE10003882C2 (de) * | 2000-01-29 | 2003-10-02 | Bitzer Kuehlmaschinenbau Gmbh | Kältemittelkompressor |
| DE10138070C2 (de) * | 2001-08-03 | 2003-05-22 | Knorr Bremse Systeme | Kolbenkompressor mit einem Kühlluftstrom |
| US6570284B1 (en) * | 2001-12-11 | 2003-05-27 | Black & Decker Inc. | Brushless motor having double insulation |
| DE102004042944B4 (de) * | 2004-09-02 | 2009-09-10 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Kolbenkompressor mit einem internen Kühlluftstrom im Kurbelgehäuse |
| JP2007051615A (ja) * | 2005-08-19 | 2007-03-01 | Anest Iwata Corp | 往復ピストン式気体圧縮機 |
| DE102005040495B3 (de) * | 2005-08-26 | 2006-08-24 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Mehrzylindriger trockenlaufender Kolbenverdichter mit einem Kühlluftstrom |
| JP2007182821A (ja) * | 2006-01-10 | 2007-07-19 | Anest Iwata Corp | ブースター式気体圧縮機 |
-
2007
- 2007-09-06 DE DE102007042318.9A patent/DE102007042318B4/de not_active Expired - Fee Related
-
2008
- 2008-08-22 CN CN2008801059560A patent/CN101796297B/zh not_active Expired - Fee Related
- 2008-08-22 EP EP08785677.9A patent/EP2185820B1/de not_active Not-in-force
- 2008-08-22 BR BRPI0816383-9A patent/BRPI0816383B1/pt not_active IP Right Cessation
- 2008-08-22 WO PCT/EP2008/006916 patent/WO2009033556A1/de not_active Ceased
-
2010
- 2010-03-05 US US12/718,361 patent/US20100221128A1/en not_active Abandoned
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2009033556A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102007042318A1 (de) | 2009-03-12 |
| CN101796297A (zh) | 2010-08-04 |
| US20100221128A1 (en) | 2010-09-02 |
| DE102007042318B4 (de) | 2017-11-30 |
| EP2185820B1 (de) | 2019-04-10 |
| CN101796297B (zh) | 2012-02-01 |
| BRPI0816383A2 (pt) | 2015-03-03 |
| WO2009033556A1 (de) | 2009-03-19 |
| BRPI0816383B1 (pt) | 2019-10-08 |
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