EP0725897A1 - Kolbenverdichter für gasförmige medien - Google Patents
Kolbenverdichter für gasförmige medienInfo
- Publication number
- EP0725897A1 EP0725897A1 EP95929103A EP95929103A EP0725897A1 EP 0725897 A1 EP0725897 A1 EP 0725897A1 EP 95929103 A EP95929103 A EP 95929103A EP 95929103 A EP95929103 A EP 95929103A EP 0725897 A1 EP0725897 A1 EP 0725897A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- piston
- cylinder
- outlet
- valve
- piston compressor
- 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
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 229920003023 plastic Polymers 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005457 optimization Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000725 suspension Substances 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
- F04B39/10—Adaptations or arrangements of distribution members
-
- 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
- F04B39/0005—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 adaptations of pistons
- F04B39/0016—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 adaptations of pistons with valve arranged in the piston
-
- 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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/12—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by varying the length of stroke of the working members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
- F05C2225/04—PTFE [PolyTetraFluorEthylene]
Definitions
- the present invention relates to a piston compressor for gaseous media, in particular an air piston compressor driven by an electric motor according to the preamble of claim 1.
- a pump of this type is known from DE 33 33 329. Although the crankcase is open, the pendulum piston used in this device seals completely in the cylinder. Inlet and outlet valves are located at the top. A different stroke is achieved by varying the crank arm and the harmful space is adjusted by alternately inserting spacers. Such a pump is unsuitable for the present purposes.
- a piston compressor is known as a small unit which is used as a structural unit in motor vehicles. is used to make compressed air available for various purposes, and to a large extent such compressed air that is not necessarily - as in the case of compressed air brakes - passed through a compressed air reservoir, but rather works with it at the same time during production, for example any Units such as windshield wipers or the like are driven or introduced into an air suspension system. Of course, air pressure reservoirs can also be filled.
- compressors are provided with pistons which are fixed to the piston rod, that is to say connected without a joint, as is evident from the prior art (DE 23 11 048 or DE 36 16 968 AI).
- the piston bends back and forth in the cylinder during the up and down movement and with this design it is not easy to specify the top dead center constructively so that in series production all products have the desired compression or harmful space evenly.
- individual optimization is required even in series production. It is therefore advantageous to put the parts together.
- the compression space or the harmful space can easily be individually adjusted by providing the cylinder and the opening in the housing with an appropriate thread. This configuration makes it possible to screw the threaded cylinder into the corresponding threaded opening of the compressor housing.
- any effective axial cylinder height can thus be set precisely.
- the setting found by trial and error can be fixed by means of certain configurations of the invention, which are explained in more detail below in the description of the drawing. This fixation can even be combined with a further fixation of the position of the outlet member.
- the outlet member with the internal outlet valve is arranged centrally and thermally decoupled so that it can be clamped in any position with the fixing of the screw connection between the cylinder and the crankcase.
- FIG. 1 is a schematic perspective view of the unit from a piston compressor according to the invention with a flanged electric motor, and
- Fig. 2 in section an elevation through a compressor unit according to the invention.
- the piston compressor shown in FIGS. 1 and 2 has a compressor housing 62 and a housing 12 connected to it laterally for an electric motor, which serves to drive the piston compressor.
- the compressor housing 62 is closed by a cover 64 located opposite the electric motor.
- the electric motor has a drive shaft 42 which is supported by a ball bearing 40 arranged in the housing wall 62.
- the shaft 42 terminates in an eccentric 46.
- a bearing 54 of a connecting rod 56 is located on the eccentric 46.
- the connecting rod 56 carries the bearing 54 at its lower end, the bearing 54 being guided in a circle by the rotation of the drive shaft 42.
- the connecting rod 56 carries a piston 58 which is fixedly connected to it and which is arranged in a cylinder 60 for reciprocating movement. In the position shown, the piston 58 is at its top dead center. The bottom dead center is indicated by dashed lines.
- the connecting rod 56 is set into a circular movement via the drive shaft connected to its lower head, while its upper head is reciprocated with the piston 58 in the cylinder 60.
- the gas in the cylinder chamber is compressed until it takes up a compression chamber V.
- a spring-loaded outlet valve 92 opens so that the compressed gas is discharged via a connection piece 20.
- the cylinder 60 is provided at its lower end with a thread 66, by means of which it is screwed into a threaded opening 68 of the compressor housing 62.
- the opening 68 of the compressor housing 62 is formed in such a way that the connecting rod 56 can move freely through it, even with the lateral pivotings which are caused by the design of the fixed connection between the connecting rod 56 and the piston 58.
- the thread 66 of the cylinder 60 has a narrow pitch, so that the axial cylinder height can be set precisely.
- the effective axial cylinder height with which the top dead center of the piston 58, which is effective in the cylinder 60, can be set is not effective.
- the effective axial cylinder height can be changed by screwing the cylinder 60 into the opening 68 of the compressor housing 62.
- a change in the effective axial cylinder height also leads directly to a change in the so-called compression space or harmful space V, which is defined by the top dead center position of the piston 58.
- This compression space V should be dimensioned so that it corresponds to the minimum dead space volume that the system has.
- the optimal setting of the optimal compression space is done manually during the test run of the piston compressor, so that the change in operating behavior can be assessed immediately.
- valve head 90 there is a spring-loaded outlet valve in the valve head 90.
- This valve consists of a thin metal disk 92 which is normally pressed against a sealing ring 96 by a spring 94 (cf. right part of the illustration in FIG. 2 above) ). At high pressure, the valve opens (left part of the illustration in FIG. 2 above) and opens a path 28 within an outlet head 26 to the outlet connector 20.
- This outlet head 26 has two special features. First, it is freely rotatable in the valve head with loose screws 63 and thermally decoupled.
- the thermal decoupling is achieved by two circular support rings and an air gap 25 between the valve head 90 and the outlet head 26. As a result, the air emerging from the connector 20 is not additionally heated in the last part of the compressor and the efficiency is improved.
- the outlet connection can also be adjusted to the orientation required for connection to further units when the top dead center is established, before the screws 63 finally tightened.
- the piston compressor according to the invention enables the compression space to be set manually, so that it is suitable for various applications, for example as a pump, vacuum pump, compressed air source for passenger cars, air conditioning systems and the like. It is thermally decoupled and is designed for maximum performance with limited power consumption.
- the piston compressor according to the invention is therefore particularly suitable for replacing electrically operated devices of the passenger car with pneumatically operated units, or very particularly for use in air-sprung vehicles for their level or inclination control.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4429097A DE4429097A1 (de) | 1994-08-17 | 1994-08-17 | Kolbenverdichter für gasförmige Medien |
| DE4429097 | 1994-08-17 | ||
| PCT/EP1995/003195 WO1996005429A1 (de) | 1994-08-17 | 1995-08-11 | Kolbenverdichter für gasförmige medien |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0725897A1 true EP0725897A1 (de) | 1996-08-14 |
| EP0725897B1 EP0725897B1 (de) | 1998-03-04 |
Family
ID=6525863
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95929103A Expired - Lifetime EP0725897B1 (de) | 1994-08-17 | 1995-08-11 | Kolbenverdichter für gasförmige medien |
| EP95929853A Expired - Lifetime EP0725898B1 (de) | 1994-08-17 | 1995-08-11 | Kolben für kolbenverdichter für gasförmige medien |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95929853A Expired - Lifetime EP0725898B1 (de) | 1994-08-17 | 1995-08-11 | Kolben für kolbenverdichter für gasförmige medien |
Country Status (5)
| Country | Link |
|---|---|
| EP (2) | EP0725897B1 (de) |
| AT (2) | ATE163735T1 (de) |
| DE (3) | DE4429097A1 (de) |
| ES (2) | ES2113212T3 (de) |
| WO (2) | WO1996005430A1 (de) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19538339B4 (de) * | 1995-10-14 | 2010-08-19 | Voss Automotive Gmbh | Vorrichtung zum Erzeugen von Druckluft |
| DE29717654U1 (de) * | 1997-10-02 | 1998-11-12 | Alusuisse Bayrisches Druckguß-Werk GmbH & Co. KG, 85570 Markt Schwaben | Kolben für einen Kolbenverdichter |
| DE29717655U1 (de) * | 1997-10-02 | 1998-11-12 | Alusuisse Bayrisches Druckguß-Werk GmbH & Co. KG, 85570 Markt Schwaben | Kolbenverdichter für gasförmige Medien |
| DE29717653U1 (de) * | 1997-10-02 | 1998-11-12 | Alusuisse Bayrisches Druckguß-Werk GmbH & Co. KG, 85570 Markt Schwaben | Kolbenverdichter für gasförmige Medien |
| DE29814962U1 (de) * | 1998-08-20 | 1999-11-04 | Alusuisse Bayrisches Druckguß-Werk GmbH & Co. KG, 85570 Markt Schwaben | Kolben für einen Kolbenverdichter |
| DE19903025C2 (de) * | 1999-01-26 | 2001-12-20 | Alusuisse Bayrisches Druckgus | Kolbenverdichter für gasförmige Medien |
| DE19916993C1 (de) * | 1999-04-15 | 2000-02-10 | Guenther Engineering Gmbh | Kolben für Kältemittelverdichter |
| DE19926186A1 (de) * | 1999-06-09 | 2000-12-14 | Leybold Vakuum Gmbh | Kolbenvakuumpumpe mit Auslassventil |
| DE20106700U1 (de) * | 2001-04-18 | 2002-05-23 | Alusuisse Bayrisches Druckguß-Werk GmbH & Co. KG, 85570 Markt Schwaben | Kolben für einen Kolbenverdichter |
| KR20010074253A (ko) * | 2001-05-03 | 2001-08-04 | 강현인 | 스마트카드와 차량 번호판 인식 시스템에 의한 유료 도로논스톱 요금 징수 방법 |
| AT414269B (de) * | 2002-07-24 | 2006-10-15 | Ventrex Automotive Gmbh | Einrichtung zur verdichtung von gasen |
| AT414270B (de) * | 2002-07-24 | 2006-10-15 | Ventrex Automotive Gmbh | Einrichtung zur verdichtung von gasen |
| DE10330366A1 (de) * | 2003-06-30 | 2005-01-27 | Dbw Metallverarbeitung Gmbh | Kolbenverdichter |
| DE102004017040B4 (de) * | 2004-04-02 | 2007-02-01 | Hans-Walter Bodewein | Kolbenpumpe und Zapfstation für Flüssiggas |
| DE202005017736U1 (de) * | 2005-11-12 | 2006-01-12 | Ventrex Automotive Gmbh | Kolbenverdichter für gasförmige Medien |
| DE102005060320A1 (de) * | 2005-12-16 | 2007-06-21 | Continental Aktiengesellschaft | Kompressoreinheit |
| DE102006053246A1 (de) * | 2006-11-11 | 2008-05-15 | Continental Aktiengesellschaft | Kompressoreinheit |
| DE102006053245A1 (de) | 2006-11-11 | 2008-05-15 | Continental Aktiengesellschaft | Kompressoreinheit |
| DE102007053750B4 (de) * | 2007-11-12 | 2010-06-17 | Jhou, Wen-San, An-Din | Luftverdichter mit verbessertem Ventilbauelement |
| DE102008037584A1 (de) | 2008-11-25 | 2010-05-27 | Continental Reifen Deutschland Gmbh | Kompressor |
| DE102008037585A1 (de) | 2008-11-25 | 2010-05-27 | Continental Reifen Deutschland Gmbh | Kompressor |
| DE102011050713A1 (de) | 2011-05-30 | 2012-12-06 | Continental Reifen Deutschland Gmbh | Ventil mit einem einteiligen Ventilkörper |
| DE102011050714A1 (de) | 2011-05-30 | 2012-12-06 | Continental Reifen Deutschland Gmbh | Kompressoreinheit |
| DE102011050806A1 (de) | 2011-06-01 | 2012-12-06 | Continental Reifen Deutschland Gmbh | Kompressor mit Druckbegrenzung |
| DE102013107585A1 (de) | 2013-07-17 | 2015-01-22 | Continental Reifen Deutschland Gmbh | Kompressor mit Druckbegrenzung |
| DE102013107850A1 (de) * | 2013-07-23 | 2015-01-29 | Continental Reifen Deutschland Gmbh | Kompressor mit Druckbegrenzung |
| DE102014205067A1 (de) | 2014-03-19 | 2015-09-24 | Continental Reifen Deutschland Gmbh | Vorrichtung zum Abdichten und Aufpumpen aufblasbarer Gegenstände |
| DE102019217779A1 (de) | 2019-04-26 | 2020-10-29 | Continental Reifen Deutschland Gmbh | Tragbares/transportables System zum Abdichten und Aufpumpen von Fahrzeugluftreifen mit gradliniger Druckluftströmung |
| DE102019120730B4 (de) * | 2019-07-31 | 2025-04-30 | Amk Holding Gmbh & Co. Kg | Zylinderkolben für einen Luftkompressor |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE148013C (de) * | ||||
| DE147333C (de) * | ||||
| US1390680A (en) * | 1921-02-28 | 1921-09-13 | Moon Brothers Mfg Company | Lubricating device for pump-pistons |
| US1577570A (en) * | 1925-08-20 | 1926-03-23 | Egli Fred | Pump |
| DE734441C (de) * | 1939-02-05 | 1943-04-15 | Schmidt Sche Heissdampf Ges M | Kolbendampfmaschine |
| US2984190A (en) * | 1955-10-14 | 1961-05-16 | Raymond A Dibley | Valve construction |
| DE1748885U (de) * | 1957-03-16 | 1957-07-18 | Walter Breiter K G | Kolben fuer saug- und druckpumpen. |
| FR1463769A (fr) * | 1963-05-29 | 1966-07-22 | Compresseur à piston et ses procédé et dispositif de refroidissement et ses dispositifs de montage | |
| DE2311048C3 (de) * | 1973-03-06 | 1978-04-06 | Bayrisches Druckgusswerk Thurner Kg, 8015 Markt Schwaben | Verdichterkolben |
| JPS58131469A (ja) * | 1982-01-29 | 1983-08-05 | Honda Motor Co Ltd | シ−ル装置 |
| DE3333329A1 (de) * | 1983-09-15 | 1985-03-28 | Becker, Erich, 7812 Bad Krozingen | Kolbenpumpe, insbesondere pendelkolbenpumpe |
| DE3616968A1 (de) * | 1986-05-20 | 1987-11-26 | Bosch Gmbh Robert | Taumelkolben-kompressor |
| DE4203384C2 (de) * | 1992-02-06 | 1994-10-20 | Hunger Walter Dr Ing E H | Kolben einer Kolbenmaschine |
-
1994
- 1994-08-17 DE DE4429097A patent/DE4429097A1/de not_active Withdrawn
-
1995
- 1995-08-11 DE DE59501550T patent/DE59501550D1/de not_active Expired - Fee Related
- 1995-08-11 WO PCT/EP1995/003196 patent/WO1996005430A1/de not_active Ceased
- 1995-08-11 EP EP95929103A patent/EP0725897B1/de not_active Expired - Lifetime
- 1995-08-11 ES ES95929853T patent/ES2113212T3/es not_active Expired - Lifetime
- 1995-08-11 DE DE59501549T patent/DE59501549D1/de not_active Expired - Fee Related
- 1995-08-11 AT AT95929853T patent/ATE163735T1/de not_active IP Right Cessation
- 1995-08-11 AT AT95929103T patent/ATE163734T1/de not_active IP Right Cessation
- 1995-08-11 ES ES95929103T patent/ES2113211T3/es not_active Expired - Lifetime
- 1995-08-11 WO PCT/EP1995/003195 patent/WO1996005429A1/de not_active Ceased
- 1995-08-11 EP EP95929853A patent/EP0725898B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9605429A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1996005429A1 (de) | 1996-02-22 |
| DE59501549D1 (de) | 1998-04-09 |
| ATE163735T1 (de) | 1998-03-15 |
| ES2113211T3 (es) | 1998-04-16 |
| DE59501550D1 (de) | 1998-04-09 |
| EP0725898B1 (de) | 1998-03-04 |
| ATE163734T1 (de) | 1998-03-15 |
| EP0725898A1 (de) | 1996-08-14 |
| ES2113212T3 (es) | 1998-04-16 |
| DE4429097A1 (de) | 1996-02-22 |
| EP0725897B1 (de) | 1998-03-04 |
| WO1996005430A1 (de) | 1996-02-22 |
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