EP0884210B1 - Arrangement for driving a water pump and a fan of a combustion engine - Google Patents
Arrangement for driving a water pump and a fan of a combustion engine Download PDFInfo
- Publication number
- EP0884210B1 EP0884210B1 EP98109513A EP98109513A EP0884210B1 EP 0884210 B1 EP0884210 B1 EP 0884210B1 EP 98109513 A EP98109513 A EP 98109513A EP 98109513 A EP98109513 A EP 98109513A EP 0884210 B1 EP0884210 B1 EP 0884210B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- belt
- fan
- crankshaft
- water pump
- drive
- 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.)
- Expired - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 19
- 238000002485 combustion reaction Methods 0.000 title claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 description 5
- 238000013519 translation Methods 0.000 description 3
- 230000014616 translation Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 208000016261 weight loss Diseases 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
- F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
- F02B67/06—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless members
Definitions
- the invention relates to a device for driving a Water pump and a fan of an internal combustion engine, about a belt drive that can be driven from the crankshaft.
- FR-A-2378948 on which the independent claim 1 is based, is a drive for the auxiliary units an internal combustion engine known in which one of the Crankshaft driven by a first belt drive with the first pulley connected to the crankshaft an air conditioning compressor is driven.
- the first pulley is with a second pulley connected to a compressor shaft in drive connection.
- With the compressor shaft is one third pulley connected to a fourth pulley forms a second belt drive.
- the fan with the fourth pulley in drive connection.
- auxiliary units such as. a water pump, an alternator, a Air conditioning compressor or other ancillary units are mostly used driven by a belt drive together with a belt.
- the present invention has for its object a Device for driving a water pump and a fan to create an internal combustion engine that is more flexible Drive, especially with regard to the fan, enables.
- the drive of the fan is now from the basic association Cut. This means that for one thing there are no repercussions done on the basic unit and secondly that any Desired speed ratios for the fan possible are, although it is also driven by the crankshaft becomes.
- the relative rotatability can e.g. by a Rolling bearing device, e.g. a ball bearing, done in between is switched. Basically, this is the drive shaft for the fan itself in a proven manner coaxial to the crankshaft, however, uncoupled from it accordingly.
- Another advantage of the invention is that this results in cost and weight reductions. Translations for the fan are both “slow” and ins “Fast” possible.
- the fourth pulley connects to the fan via a flange connection, there is advantageously a very flexible drive for the fan, which can be uncoupled if necessary is not needed.
- a first pulley 2 On a crankshaft 1, which is only in principle in FIG. 1 is shown, a first pulley 2 is arranged, the due to the connection with the crankshaft 1 at engine speed circulates.
- a V-belt 3 connects one on a water pump shaft 4 a water pump 5 arranged second V-belt pulley 6 with the first pulley 2.
- the one over the second Belt pulley 6 guided V-belt 3 drives in a known manner further auxiliary units, such as an air conditioning compressor 7 and one Alternator 8, each with associated pulleys.
- a tension pulley 9 between the first V-belt pulley 2 and the air conditioning compressor 7 provides the required voltage of the V-belt 3.
- V-belt 3 closes again the V-belt pulley 6 of the water pump 5 back.
- the pulleys 2 and 6, the water pump 5, air conditioning compressor 7 (if present) and alternator 8, together with these V-belts 3 connecting units to each other form a basic structure or first belt drive.
- the third pulley 10 is via a second V-belt 11 with a fourth V-belt pulley 12 in drive connection and forms a second Belt drive.
- the fourth V-belt pulley 12 is with a connecting flange 13 provided, which is arranged on an intermediate shaft 14 is.
- a roller bearing and ball bearing connection 15 is the Intermediate shaft 14 mounted inside a driver 16.
- the Driver 16 in turn is with the first V-belt pulley 2 Connected via screw connections.
- This type of mounting makes the fourth V-belt pulley 12 arranged coaxially to the crankshaft 1, but from this uncoupled so that they are independent of the speed of the crankshaft 1 is.
- the speed of the fourth pulley 12 and thus connected connecting flange 13 depends on the Translations via V-belt pulleys 2, 6, 10 and 12 or their diameters to each other. This way, any one can given translation i can be set.
- the flange 13 is with a coupling, e.g. a viscous coupling, 17 connected, the coaxial to the intermediate shaft 14 and so that it is also coaxial to the crankshaft 1.
- a coupling e.g. a viscous coupling
- 17 On the clutch 17 a fan 18 is arranged. Structure and mode of operation the clutch 17 and its connection to the fan 18 generally known, which is why it is not discussed in more detail here becomes.
- the drive of the fan 18 via that on the water pump shaft 4 arranged pulley 10 and the co-axial to the crankshaft 1st fourth pulley 12 supported on the intermediate shaft 14 is independent of the basic association. This applies to both Effects of forces as well as the possibility of other gear ratios to create for the fan drive.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Supercharger (AREA)
Description
Die Erfindung betrifft eine Vorrichtung zum Antreiben einer Wasserpumpe und eines Lüfters einer Brennkraftmaschine, über einen von der Kurbelwelle aus antreibbaren Riemenantrieb.The invention relates to a device for driving a Water pump and a fan of an internal combustion engine, about a belt drive that can be driven from the crankshaft.
Aus der FR-A-2378948, auf der der unabhängige Anspruch 1 basiert, ist ein Antrieb für die Nebenaggregate einer Brennkraftmaschine bekannt, bei der über einen von der Kurbelwelle aus angetriebenen ersten Riementrieb durch eine mit der Kurbelwelle verbundene erste Riemenscheibe ein Klimakompressor angetrieben wird. Die erste Riemenscheibe steht mit einer mit einer Kompressorwelle verbundenen zweiten Riemenscheibe in Antriebsverbindung. Mit der Kompressorwelle ist eine dritte Riemenscheibe verbunden, die mit einer vierten Riemenscheibe einen zweiten Riementrieb bildet. Des weiteren steht der Lüfter mit der vierten Riemenscheibe in Antriebsverbindung.FR-A-2378948, on which the independent claim 1 is based, is a drive for the auxiliary units an internal combustion engine known in which one of the Crankshaft driven by a first belt drive with the first pulley connected to the crankshaft an air conditioning compressor is driven. The first pulley is with a second pulley connected to a compressor shaft in drive connection. With the compressor shaft is one third pulley connected to a fourth pulley forms a second belt drive. Furthermore stands the fan with the fourth pulley in drive connection.
Dieser bekannte Antrieb bietet jedoch wenig Flexibilität was das Antreiben der einzelnen Komponenten anbelangt.However, this known drive offers little flexibility what driving the individual components.
Es ist allgemein bekannt, einen Lüfter direkt mit der Kurbelwelle oder einer Verlängerung der Kurbelwelle zu verbinden und auf diese Weise den Lüfter direkt anzutreiben. Weitere Nebenaggregate, wie z.B. eine Wasserpumpe, eine Lichtmaschine, ein Klimakompressor oder andere Nebenaggregate, werden dabei zumeist durch einen Riemenantrieb mit einem Riemen gemeinsam angetrieben.It is well known to directly connect a fan to the crankshaft or an extension of the crankshaft and in this way drive the fan directly. Other auxiliary units, such as. a water pump, an alternator, a Air conditioning compressor or other ancillary units are mostly used driven by a belt drive together with a belt.
Aus der DE 195 11 702 A1 und der DE 24 23 746 C2 ist es des weiteren bekannt, den Lüfter über die Wasserpumpenwelle anzutreiben, wobei in üblicher Weise die Wasserpumpe über einen Riemenantrieb mit der Kurbelwelle in Verbindung steht. Der Lüfter ist koaxial zur Wasserpumpenwelle angeordnet und über eine Kupplung mit dieser verbindbar.From DE 195 11 702 A1 and DE 24 23 746 C2 it is the further known to drive the fan via the water pump shaft, in the usual way, the water pump via a Belt drive is connected to the crankshaft. The fan is arranged coaxially to the water pump shaft and via a Couplable with this.
Nachteilig dabei ist jedoch, daß die Kräfte bzw. die Belastung des Lüfters auf den Grundverband, der aus dem Riementrieb mit den davon angetriebenen Aggregaten besteht, wirken. Darüber hinaus liegen bei dieser Ausgestaltung die Drehzahlverhältnisse fest.The disadvantage, however, is that the forces or the load of the fan on the basic dressing that comes from the belt drive the aggregates driven by it, act. About that In addition, the speed ratios are in this embodiment firmly.
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung zum Antreiben einer Wasserpumpe und eines Lüfters einer Brennkraftmaschine zu schaffen, die einen flexibleren Antrieb, insbesondere was den Lüfter anbelangt, ermöglicht.The present invention has for its object a Device for driving a water pump and a fan to create an internal combustion engine that is more flexible Drive, especially with regard to the fan, enables.
Erfindungsgemäß wird diese Aufgabe durch die in Anspruch 1 genannten Merkmale gelöst.According to the invention, this object is achieved by those mentioned in claim 1 Features resolved.
Erfindungsgemäß ist nunmehr der Antrieb des Lüfters vom Grundverband getrennt. Dies bedeutet, daß zum einen keine Rückwirkungen auf den Grundverband erfolgen und zum anderen, daß beliebig gewünschte Drehzahlübersetzungen für den Lüfter möglich sind, obwohl er ebenfalls von der Kurbelwelle aus angetrieben wird. Dies ist im wesentlichen dadurch möglich geworden, daß die Wasserpumpe bzw. die Wasserpumpenwelle nur als Antriebswelle im Sinne eines Vorgeleges wirkt und daß der Lüfter von der Kurbelwelle zwar angetrieben aber trotzdem zu ihr eine Drehbarkeit besitzt. Die relative Drehbarkeit kann z.B. durch eine Wälzlagereinrichtung, z.B. ein Kugellager, erfolgen, das dazwischen geschaltet ist. Grundsätzlich liegt damit die Antriebswelle für den Lüfter selbst in bewährter Weise koaxial zur Kurbelwelle, allerdings entsprechend von dieser abgekoppelt.According to the invention, the drive of the fan is now from the basic association Cut. This means that for one thing there are no repercussions done on the basic unit and secondly that any Desired speed ratios for the fan possible are, although it is also driven by the crankshaft becomes. This is essentially possible because the water pump or the water pump shaft only as a drive shaft acts in the sense of a countershaft and that the fan of the The crankshaft is driven but still rotatable owns. The relative rotatability can e.g. by a Rolling bearing device, e.g. a ball bearing, done in between is switched. Basically, this is the drive shaft for the fan itself in a proven manner coaxial to the crankshaft, however, uncoupled from it accordingly.
Ein weiterer Vorteil der Erfindung besteht darin, daß sich auf diese Weise Kosten- und Gewichtsreduzierungen ergeben. Übersetzungen für den Lüfter sind sowohl ins "Langsame" als auch ins "Schnelle" möglich.Another advantage of the invention is that this results in cost and weight reductions. Translations for the fan are both "slow" and ins "Fast" possible.
Aufkommende Riemenkräfte vom Lüfter werden von der Wasserpumpe aufgenommen, was in diesem Fall bewirkt, daß für die nachgeschalteten Aggregate im Grundbetrieb keine Lagerverstärkung erforderlich wird.Belt forces from the fan are generated by the water pump added, which in this case causes for the downstream Units in basic operation no stock reinforcement is required.
Durch die erfindungsgemäße Kupplung, die die vierte Riemenscheibe über eine Flanschverbindung mit dem Lüfter verbindet, ergibt sich vorteilhafterweise ein sehr flexibler Antrieb für den Lüfter, der gegebenenfalls abgekuppelt werden kann, wenn er nicht benötigt wird.By the clutch according to the invention, the fourth pulley connects to the fan via a flange connection, there is advantageously a very flexible drive for the fan, which can be uncoupled if necessary is not needed.
Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen und aus dem nachfolgend anhand der Zeichnungen prinzipmäßig dargestellten Ausführungsbeispiel. Advantageous refinements and developments of the invention result from the subclaims and from the following based on the drawings embodiment shown in principle.
Es zeigt:
- Fig. 1
- eine Seitenansicht der erfindungsgemäßen Vorrichtung;
- Fig. 2
- eine Ansicht der erfindungsgemäßen Vorrichtung von vorne; und
- Fig. 3
- einen vergrößerten Schnitt bezüglich der Lagerung der vierten Riemenscheibe.
- Fig. 1
- a side view of the device according to the invention;
- Fig. 2
- a view of the device according to the invention from the front; and
- Fig. 3
- an enlarged section regarding the bearing of the fourth pulley.
Auf einer Kurbelwelle 1, die in der Fig. 1 nur prinzipmäßig
dargestellt ist, ist eine erste Riemenscheibe 2 angeordnet, die
aufgrund der Verbindung mit der Kurbelwelle 1 mit Motordrehzahl
umläuft. Ein Keilriemen 3 verbindet eine auf einer Wasserpumpenwelle
4 einer Wasserpumpe 5 angeordnete zweite Keilriemenscheibe
6 mit der ersten Riemenscheibe 2. Der über die zweite
Riemenscheibe 6 geführte Keilriemen 3 treibt in bekannter Weise
weitere Nebenaggregate, wie einen Klimakompressor 7 und eine
Lichtmaschine 8, mit jeweils dazugehörigen Riemenscheiben an. On a crankshaft 1, which is only in principle in FIG. 1
is shown, a
Eine Spannrolle 9 zwischen der ersten Keilriemenscheibe 2 und
dem Klimakompressor 7 sorgt für eine erforderliche Spannung des
Keilriemens 3.A
Von der Lichtmaschine 8 aus läuft der Keilriemen 3 wieder zu
der Keilriemenscheibe 6 der Wasserpumpe 5 zurück. Die Riemenscheiben
2 und 6, die Wasserpumpe 5, Klimakompressor 7 (sofern
vorhanden) und Lichtmaschine 8, bilden zusammen mit den diese
Aggregate miteinander verbindenden Keilriemen 3 einen Grundverband
bzw. ersten Riementrieb.From the
Auf der Wasserpumpenwelle 4 befindet sich als Doppelriemenscheibe
eine dritte Riemenscheibe 10. Die dritte Riemenscheibe
10 ist über einen zweiten Keilriemen 11 mit einer vierten Keilriemenscheibe
12 in Antriebsverbindung und bildet einen zweiten
Riementrieb.There is a double pulley on the water pump shaft 4
a
Die vierte Keilriemenscheibe 12 ist mit einem Verbindungsflansch
13 versehen, der auf einer Zwischenwelle 14 angeordnet
ist. Über eine Wälzlager- und Kugellagerverbindung 15 ist die
Zwischenwelle 14 im Inneren eines Mitnehmers 16 gelagert. Der
Mitnehmer 16 wiederum ist mit der ersten Keilriemenscheibe 2
üser Schraubverbindungen verbunden.The fourth V-
Durch diese Lagerungsart ist die vierte Keilriemenscheibe 12
zwar koaxial zur Kurbelwelle 1 angeordnet, jedoch von dieser
abgekoppelt, so daß sie von der Kurbelwelle 1 drehzahlunabhängig
ist. Die Drehzahl der vierten Riemenscheibe 12 und des damit
verbundenen Verbindungsflansches 13 richtet sich nach den
Übersetzungen über die Keilriemenscheiben 2, 6, 10 und 12 bzw.
deren Durchmesser zueinander. Auf diese Weise kann eine beliebig
vorgegebene Übersetzung i eingestellt werden.This type of mounting makes the fourth V-
Der Flansch 13 ist mit einer Kupplung, z.B. einer Visco-Kupplung,
17 verbunden, die koaxial zur Zwischenwelle 14 und
damit ebenfalls koaxial zur Kurbelwelle 1 liegt. Auf der Kupplung
17 ist ein Lüfter 18 angeordnet. Aufbau und Wirkungsweise
der Kupplung 17 und dessen Verbindung mit dem Lüfter 18 sind
allgemein bekannt, weshalb hier nicht näher darauf eingegangen
wird.The
Der Antrieb des Lüfters 18 über die auf der Wasserpumpenwelle 4
angeordnete Riemenscheibe 10 und der ko-axial zur Kurbelwelle 1
auf der Zwischenwelle 14 gelagerten vierten Riemenscheibe 12
ist unabhängig vom Grundverband. Dies gilt sowohl bezüglich
Kräfterückwirkungen als auch der Möglichkeit andere Übersetzungsverhältnisse
für den Lüfterantrieb zu schaffen.The drive of the
Claims (3)
- Device for driving a water pump (5) and a fan (18) of an internal combustion engine via a first belt drive driveable from a crankshaft (1) by means of a first belt pulley (2) connected to the crankshaft (1), in which1.1 the first belt pulley (2) is disposed in a drive connection via a belt (3) with a second drive pulley (6) connected to a water pump shaft (4),1.2 a third belt pulley (10) is connected to the water pump shaft (4),1.3 the third belt pulley (10) forms a second belt drive with a fourth belt pulley (12) which is mounted on the crankshaft (1) or an extension (16) of the crankshaft so as to rotate relative to the crankshaft (1),1.4 the fan (18) is disposed coaxially with the fourth belt pulley (12) and is disposed in a drive connection therewith and1.5 the fourth belt pulley (12) is connected by means of a flange connection (13) to a coupling (17) which can be connected to the fan (18).
- Device as claimed in claim 1,
characterised in that
other secondary units (7, 8) are driven by the first belt drive with the belt (3). - Device as claimed in claim 1 or 2,
characterised in that
the fourth belt pulley (12) is mounted on the crankshaft (1) or the extension (16) connected to the crankshaft by means of a roller and ball bearing system (15).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19725216A DE19725216C1 (en) | 1997-06-15 | 1997-06-15 | Device for driving units of an internal combustion engine |
| DE19725216 | 1997-06-15 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0884210A2 EP0884210A2 (en) | 1998-12-16 |
| EP0884210A3 EP0884210A3 (en) | 1999-11-17 |
| EP0884210B1 true EP0884210B1 (en) | 2001-10-31 |
Family
ID=7832498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98109513A Expired - Lifetime EP0884210B1 (en) | 1997-06-15 | 1998-05-26 | Arrangement for driving a water pump and a fan of a combustion engine |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6079385A (en) |
| EP (1) | EP0884210B1 (en) |
| DE (2) | DE19725216C1 (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10042408A1 (en) * | 2000-08-30 | 2002-03-21 | Porsche Ag | Internal combustion engine with auxiliary units |
| JP3894728B2 (en) * | 2000-12-28 | 2007-03-22 | 本田技研工業株式会社 | Timing transmission device for valve train in engine |
| GB0106858D0 (en) * | 2001-03-20 | 2001-05-09 | Perkins Engines Co Ltd | An accessory drive for driving an engine accessory |
| GB0116433D0 (en) * | 2001-07-05 | 2001-08-29 | Ford Global Tech Inc | Cooling system for a motor vehicle engine |
| DE10324314B4 (en) * | 2002-06-12 | 2014-02-13 | Behr Gmbh & Co. Kg | Fan drive for motor vehicles |
| JP2004360520A (en) * | 2003-06-03 | 2004-12-24 | Suzuki Motor Corp | Four-stroke engine equipped with belt-type continuously variable transmission mechanism |
| US20050186091A1 (en) * | 2004-02-09 | 2005-08-25 | Ghassem Zarbi | Cooling fan mechanism for a motor-driven pressure washer |
| US20060154763A1 (en) * | 2004-03-24 | 2006-07-13 | Alexander Serkh | Dual ratio belt drive system |
| US7798928B2 (en) * | 2004-03-24 | 2010-09-21 | The Gates Corporation | Dual ratio belt drive system |
| US7216621B2 (en) * | 2004-05-26 | 2007-05-15 | General Motors Corporation | Double sheave accessory drive pulley |
| US7090467B2 (en) * | 2004-08-13 | 2006-08-15 | International Engine Intellectual Property Company, Llc | Fan drive attachment assembly |
| US7415945B2 (en) * | 2005-05-13 | 2008-08-26 | Borgwarner Inc. | Fluid actuated fan control method for a vehicle |
| US8596398B2 (en) * | 2007-05-16 | 2013-12-03 | Polaris Industries Inc. | All terrain vehicle |
| US8555838B2 (en) * | 2010-12-01 | 2013-10-15 | Caterpillar Inc. | Engine with stub shaft supported cam gear and machine using same |
| WO2012139224A1 (en) * | 2011-04-11 | 2012-10-18 | Litens Automotive Partnership | Multi-speed drive for transferring power to a load |
| DE102015008721A1 (en) | 2015-07-04 | 2017-01-05 | Man Truck & Bus Ag | Fan drive for a motor vehicle |
| US11486475B2 (en) * | 2020-08-18 | 2022-11-01 | Illinois Tool Works Inc. | Keyless coupling arrangement for a generator and associated methods |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2964959A (en) * | 1957-12-06 | 1960-12-20 | Gen Motors Corp | Accessory drive transmission |
| US2911961A (en) * | 1958-08-04 | 1959-11-10 | Ford Motor Co | Engine accessory drive |
| US3730147A (en) * | 1971-10-29 | 1973-05-01 | Gen Motors Corp | Engine accessory arrangement |
| US3884089A (en) * | 1972-10-02 | 1975-05-20 | Fmc Corp | Multi-speed motion transmitting mechanism |
| DE2423746C2 (en) * | 1974-05-16 | 1982-09-02 | Daimler-Benz Ag, 7000 Stuttgart | Controllable unit drive for internal combustion engines, in particular for motor vehicle internal combustion engines |
| DE2703094A1 (en) * | 1977-01-26 | 1978-07-27 | Bosch Gmbh Robert | DRIVE FOR THE AUXILIARY UNITS OF AN COMBUSTION ENGINE, ESPECIALLY IN MOTOR VEHICLES |
| US4215658A (en) * | 1977-06-09 | 1980-08-05 | W. R. Grace & Co. | Electric water pump |
| JPS58118424A (en) * | 1981-12-30 | 1983-07-14 | Isuzu Motors Ltd | Driving device for hydraulic pressure source mounted on vehicle |
| US4613318A (en) * | 1985-08-30 | 1986-09-23 | Canadian Fram Limited | Drive system with wear compensator |
| DE4243777A1 (en) * | 1992-12-23 | 1994-07-07 | Gkn Automotive Ag | Drive arrangement for auxiliary units |
| DE19511702A1 (en) * | 1995-03-30 | 1996-10-02 | Bayerische Motoren Werke Ag | Drive, esp. for IC engine cooling fan |
| US5529028A (en) * | 1995-06-07 | 1996-06-25 | Cummins Engine Company, Inc. | Accessory control system for a vehicle |
| DE19600563A1 (en) * | 1996-01-09 | 1997-07-10 | Daimler Benz Ag | Drive for an auxiliary unit |
-
1997
- 1997-06-15 DE DE19725216A patent/DE19725216C1/en not_active Expired - Fee Related
-
1998
- 1998-05-26 DE DE59801921T patent/DE59801921D1/en not_active Expired - Lifetime
- 1998-05-26 EP EP98109513A patent/EP0884210B1/en not_active Expired - Lifetime
- 1998-06-13 US US09/096,992 patent/US6079385A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE59801921D1 (en) | 2001-12-06 |
| EP0884210A3 (en) | 1999-11-17 |
| DE19725216C1 (en) | 1998-11-19 |
| US6079385A (en) | 2000-06-27 |
| EP0884210A2 (en) | 1998-12-16 |
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