EP1043501A2 - Ölfilter für einen mehrstufigen Kolbenverdichter - Google Patents
Ölfilter für einen mehrstufigen Kolbenverdichter Download PDFInfo
- Publication number
- EP1043501A2 EP1043501A2 EP00106145A EP00106145A EP1043501A2 EP 1043501 A2 EP1043501 A2 EP 1043501A2 EP 00106145 A EP00106145 A EP 00106145A EP 00106145 A EP00106145 A EP 00106145A EP 1043501 A2 EP1043501 A2 EP 1043501A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- crankcase
- oil
- filter
- post
- 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
Images
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
- F04B39/02—Lubrication
- F04B39/0207—Lubrication with lubrication control systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S55/00—Gas separation
- Y10S55/19—Crankcase ventilation
Definitions
- the invention relates to a piston post-compressor a crankcase with a ventilation device is provided, wherein the venting device is an oil filter has, the inlet side with the crankcase and the outlet side associated with the atmosphere.
- the venting device is an oil filter has, the inlet side with the crankcase and the outlet side associated with the atmosphere.
- Such one Post-compressor is used to increase the pressure of air or others environmentally friendly gases.
- the invention is therefore based on the object, the undesirable Oil leaks from the crankcase ventilation to avoid, but at least to reduce drastically.
- Booster characterized in that the oil filter is designed as a fine filter and on the inlet side has an oil collection space with an oil outlet, wherein the oil outlet is connected to the crankcase.
- the invention is based on the finding that Wire mesh filter in the low-turbulence, i.e. upper area the crankcase has very little space available.
- the resulting small passage area leaves only one low pressure drop, provided the ventilation is effective and should work reliably.
- the low allowable pressure drop in turn leads to a correspondingly large-meshed Wire mesh filter. This explains the high permeability for smaller and even larger oil droplets.
- the ultra-fine filter used according to the invention can reliably retain the oil components of the mist.
- the residual oil content can be reduced to less than 0.01 mg / m 3 .
- the ultra-fine filter requires a correspondingly larger area, which is made available by the oil collecting space.
- the wall of the oil collection space forms an effective shield against direct oil exposure to the ultra-fine filter.
- the surface of the fine filter can also be in Extend areas of the crankcase that no longer can be described as low turbulence. That from the fine filter Dripping oil can be continuous or intermittent from the oil collection chamber via its oil outlet into the crankcase be delivered. If a permanently open Passage is provided, it is kept so small that the fine filter is not subjected to direct oil.
- the ultra-fine filter in a separate, via lines to arrange the housing connected to the crankcase, the one connecting the oil collection space to the crankcase Line contains a valve which, while the post-compressor is running its closed position and when the compressor is at a standstill occupies its open position.
- the fine filter is therefore from this construction Crankcase separated and is not subject to any restrictions, what its fine porosity and the size of the filter area concerned. These parameters can be considered the allowable pressure drop for optimal separation of oil droplets and vapors.
- the oil outlet of the oil collection chamber is closed, so that the oil collection space only over its inlet side Line, i.e. the actual ventilation line, with is connected to the crankcase and only above this line is pressurized.
- the emptying of the Oil collection space happens when the post-compressor is at a standstill.
- the valve is preferably in a downward section the associated line arranged and as a check valve formed, it in by the pressure in the crankcase its closed position is held.
- the fine filter works so automatically.
- the check valve is is a very smooth-running valve whose valve body due to the low flow when the supercharger starts up is raised and brought into the closed position. The opening takes place under the weight of the valve body and Weight of the oil column from above. Usually will it may be beneficial to give the check valve a light valve spring assign that the movement of the valve body in supports the closed position.
- a safety valve attached to the housing of the Ultra-fine filter connecting the crankcase on the inlet side Line is connected, reliably prevents the construction an overpressure in the crankcase, if in the range of Fine filter should malfunction.
- At least one further filter preferably an activated carbon filter, can be connected downstream of the ultra-fine filter on the outlet side.
- the residual oil content can thus be reduced to less than 0.005 mg / m 3 .
- the post-compressor has a crankcase 1, which forms an oil sump 2. Because of leakage of the supercharger is installed in the crankcase 1 Pressure that requires ventilation. There is a line for this 3 connected to an oil filler neck 4 of the crankcase 1. The oil filler neck 4 provides an extremely low turbulence Area of the crankcase. Accordingly the mist released into line 3 does not become excessive be heavily contaminated with oil and oil vapors.
- the line 3 leads to a fine filter 5, which forms an oil collection chamber 6 on the input side.
- the oil collection room 6 is connected to the crankcase 1 via a line 7, with the interposition of a check valve 8, which in a vertical section of line 7 is arranged.
- the ultra-fine filter 5 has a filter element, which consists of a microfiber fleece.
- the fine porosity of the Fine filter allows the supplied via line 3 To get rid of fog almost completely of oil.
- the surface of the fine filter can be chosen so that the Pressure loss is reduced to a level that is sufficient and reliable ventilation of the crankcase 1 ensures.
- the oil dripping from the fine filter 5 collects in the Oil collection chamber 6.
- the pressure holds when the post-compressor is running in the crankcase 1, the check valve 8 is closed, and with the help of a light spring. Becomes the post-compressor turned off, the pressure in the crankcase 1 dismantled via line 3.
- the check valve 8 opens itself, under the weight of its valve element and under the weight of those in line 7 and in the oil collection space 6 pending oil column.
- the oil collection chamber 6 emptied itself in the crankcase 1.
- the fine filter 5 is followed by an activated carbon filter 9, which opens into the atmosphere.
- the residual oil content can be reduced to below 0.005 mg / m 3 .
- the fine filter does not necessarily have to be arranged directly above the post-compressor. Provided but with a check valve in the oil collection chamber to the line leading to the crankcase, this line must contain a gradient.
- the real one Vent line does not necessarily have to be at the oil filler neck be connected. However, it should be from one Walk off the area where there is little turbulence, so that the vented mist contains as little oil as possible.
- the micro filter provides a fundamentally different design to integrate into the crankcase.
- the ultra-fine filter Because of its size, it can not only affect low-turbulence Restrict areas.
- the wall of the Oil collection chamber an effective shielding of the fine filter.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
Description
Claims (7)
- Kolben-Nachverdichter mit einem Kurbelgehäuse (1), das mit einer Entlüftungseinrichtung versehen ist, wobei die Entlüftungseinrichtung ein Ölfilter aufweist, das einlaßseitig mit dem Kurbelgehäuse (1) und auslaßseitig mit der Atmosphäre verbunden ist,
dadurch gekennzeichnet,
daß das Ölfilter als Feinstfilter (5) ausgebildet ist und einlaßseitig einen Ölsammelraum (6) mit einem Ölauslaß aufweist, wobei der Ölauslaß mit dem Kurbelgehäuse (1) in Verbindung steht. - Nachverdichter nach Anspruch 1, dadurch gekennzeichnet, daß das Feinstfilter (5) in einem gesonderten, über Leitungen (3, 7) mit dem Kurbelgehäuse (1) verbundenen Gehäuse angeordnet ist, wobei die den Ölsammelraum (6) mit dem Kurbelgehäuse (1) verbindende Leitung (7) ein Ventil enthält, welches bei laufendem Nachverdichter seine Schließstellung und bei stillstehendem Nachverdichter seine Öffnungsstellung einnimmt.
- Nachverdichter nach Anspruch 2, dadurch gekennzeichnet, daß das Ventil in einem Gefälle-Abschnitt der zugehörigen Leitung (7) angeordnet und als Rückschlagventil (8) ausgebildet ist, wobei es durch den Druck im Kurbelgehäuse (1) in seiner Schließstellung gehalten wird.
- Nachverdichter nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß die das Gehäuse des Feinstfilters (5) einlaßseitig mit dem Kurbelgehäuse (1) verbindende Leitung (3) an einen turbulenzarmen Bereich des Kurbelgehäuses (1) angeschlossen ist.
- Nachverdichter nach Anspruch 4, dadurch gekennzeichnet, daß die das Gehäuse des Feinstfilters (5) einlaßseitig mit dem Kurbelgehäuse (1) verbindende Leitung (3) an einen Öleinfüllstutzen (4) des Kurbelgehäuses (1) angeschlossen ist.
- Nachverdichter nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, daß an die das Gehäuse des Feinstfilters einlaßseitig mit dem Kurbelgehäuse (1) verbindende Leitung (3) ein Sicherheitsventil (10) angeschlossen ist.
- Nachverdichter nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß dem Feinstfilter (5) auslaßseitig mindestens ein weiterer Filter , vorzugsweise ein Aktivkohlefilter (9) nachgeschaltet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19916172 | 1999-04-10 | ||
DE19916172A DE19916172C2 (de) | 1999-04-10 | 1999-04-10 | Kolben-Nachverdichter |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1043501A2 true EP1043501A2 (de) | 2000-10-11 |
EP1043501A3 EP1043501A3 (de) | 2001-02-28 |
EP1043501B1 EP1043501B1 (de) | 2006-10-11 |
Family
ID=7904102
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00106145A Expired - Lifetime EP1043501B1 (de) | 1999-04-10 | 2000-03-21 | Mehrstufiger Kolbenverdichter mit Ölfilter |
Country Status (6)
Country | Link |
---|---|
US (1) | US6398828B1 (de) |
EP (1) | EP1043501B1 (de) |
JP (1) | JP2000303955A (de) |
AT (1) | ATE342442T1 (de) |
DE (2) | DE19916172C2 (de) |
SG (1) | SG82075A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007148059A1 (en) * | 2006-06-19 | 2007-12-27 | Allan Hopkins | Pump apparatus for cardiopulmonary resuscitation aparatus |
EP3578817A1 (de) * | 2018-06-06 | 2019-12-11 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Verdichter, wärmepumpe oder klimaanlage oder kältemaschine und verfahren zum verdichten |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112610454B (zh) * | 2021-01-17 | 2022-08-12 | 佛山市悟空动力科技有限公司 | 一种压缩机壳体及压缩机 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2652819A (en) * | 1951-04-19 | 1953-09-22 | Dean S Nusbaum | Automatic drain valve for crankcase ventilators |
US3482768A (en) * | 1968-02-28 | 1969-12-09 | Gardner Denver Co | Compressor control system |
US3630182A (en) * | 1970-06-17 | 1971-12-28 | Lewis M D Grainger | Antipollution system for internal combustion engines |
US3721069A (en) * | 1970-08-10 | 1973-03-20 | R Walker | Air-oil separator |
US4063855A (en) * | 1976-05-03 | 1977-12-20 | Fuller Company | Compressor capacity and lubrication control system |
US4136650A (en) * | 1977-03-02 | 1979-01-30 | Manookian Jr Arman | Crankcase oil vapor recovery system |
US4269607A (en) * | 1977-11-07 | 1981-05-26 | Walker Robert A | Air-oil separator and method of separation |
JPS58104347A (ja) * | 1981-12-16 | 1983-06-21 | Aisin Seiki Co Ltd | スタ−リング機関のシ−ルロツド |
GB2168262B (en) * | 1984-12-18 | 1989-01-05 | Leslie Donald Selsdon | Filter units |
DE3641331C1 (en) * | 1986-12-03 | 1988-01-28 | Argo Feinmechanik | Liquid filter, in particular oil filter |
JPH089992B2 (ja) * | 1990-06-19 | 1996-01-31 | トキコ株式会社 | 多段圧縮機 |
US5113836A (en) * | 1990-06-25 | 1992-05-19 | Ventures Unlimited, Inc. | Filter for lowering harmful crankcase emissions in an internal combustion engine |
JPH06323671A (ja) * | 1993-05-14 | 1994-11-25 | Sanyo Electric Co Ltd | ガス圧縮膨張機 |
US5586996A (en) * | 1994-05-12 | 1996-12-24 | Manookian, Jr.; Arman K. | Vapor separating device |
US5479907A (en) * | 1994-07-12 | 1996-01-02 | Walker, Jr.; Robert A. | Combination in-line air-filter/air-oil separator/air-silencer with preseparator |
DE19525461A1 (de) * | 1995-07-14 | 1997-01-16 | Knorr Bremse Systeme | Kolbenkompressor |
DE19618413A1 (de) * | 1996-05-08 | 1997-11-13 | Mann & Hummel Filter | Ölnebelabscheideelement |
IT1285384B1 (it) * | 1996-05-31 | 1998-06-03 | Pall Corp | Dispositivo depuratore per un circuito di sfiato di un basamento di un motore endotermico, e circuito di sfiato provvisto di tale dispositivo |
US5669366A (en) * | 1996-07-10 | 1997-09-23 | Fleetguard, Inc. | Closed crankcase ventilation system |
DE19631654A1 (de) * | 1996-08-05 | 1998-02-19 | Hatz Motoren | Entlüftungsvorrichtung für das Kurbelgehäuse einer Brennkraftmaschine |
WO1997044581A1 (en) * | 1996-12-09 | 1997-11-27 | Hideaki Watase | Combustion enhancing apparatus |
US5853439A (en) * | 1997-06-27 | 1998-12-29 | Donaldson Company, Inc. | Aerosol separator and method |
US5937837A (en) * | 1997-12-09 | 1999-08-17 | Caterpillar Inc. | Crankcase blowby disposal system |
-
1999
- 1999-04-10 DE DE19916172A patent/DE19916172C2/de not_active Expired - Fee Related
-
2000
- 2000-03-21 DE DE50013582T patent/DE50013582D1/de not_active Expired - Fee Related
- 2000-03-21 EP EP00106145A patent/EP1043501B1/de not_active Expired - Lifetime
- 2000-03-21 AT AT00106145T patent/ATE342442T1/de not_active IP Right Cessation
- 2000-03-22 SG SG200001712A patent/SG82075A1/en unknown
- 2000-04-10 JP JP2000107437A patent/JP2000303955A/ja active Pending
- 2000-04-10 US US09/545,972 patent/US6398828B1/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
None |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007148059A1 (en) * | 2006-06-19 | 2007-12-27 | Allan Hopkins | Pump apparatus for cardiopulmonary resuscitation aparatus |
EP3578817A1 (de) * | 2018-06-06 | 2019-12-11 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Verdichter, wärmepumpe oder klimaanlage oder kältemaschine und verfahren zum verdichten |
Also Published As
Publication number | Publication date |
---|---|
JP2000303955A (ja) | 2000-10-31 |
EP1043501A3 (de) | 2001-02-28 |
DE50013582D1 (de) | 2006-11-23 |
SG82075A1 (en) | 2001-07-24 |
US6398828B1 (en) | 2002-06-04 |
EP1043501B1 (de) | 2006-10-11 |
DE19916172A1 (de) | 2000-10-19 |
DE19916172C2 (de) | 2001-05-31 |
ATE342442T1 (de) | 2006-11-15 |
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