EP1607600A1 - Vorrichtung zum Betreiben eines Lüfters - Google Patents
Vorrichtung zum Betreiben eines Lüfters Download PDFInfo
- Publication number
- EP1607600A1 EP1607600A1 EP05105038A EP05105038A EP1607600A1 EP 1607600 A1 EP1607600 A1 EP 1607600A1 EP 05105038 A EP05105038 A EP 05105038A EP 05105038 A EP05105038 A EP 05105038A EP 1607600 A1 EP1607600 A1 EP 1607600A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fan
- hydraulic
- internal combustion
- combustion engine
- hydraulic pump
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
- F01P7/04—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio
- F01P7/044—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio using hydraulic drives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
- F01P7/167—Controlling of coolant flow the coolant being liquid by thermostatic control by adjusting the pre-set temperature according to engine parameters, e.g. engine load, engine speed
Definitions
- the invention relates to a device for operating a Fan for a radiator of an internal combustion engine, wherein the Fan connected to a hydraulic motor, which is part of a Hydraulic circuit is.
- An internal combustion engine e.g. a diesel engine, in particular intended for driving a diesel locomotive, points to Heat dissipation a cooling system.
- a cooling system Part of this cooling system is a radiator, in the previously heated in the engine coolant is cooled again.
- the radiator is a fan assigned, which in the manner of a fan, an air flow generated, which is directed to the radiator.
- a hydraulic motor which is part of a Hydraulic circuit is.
- Such hydraulic circuits are known. It will be between an open and a closed cycle.
- a conventional open circuit sucks a hydraulic pump a hydraulic fluid from a container over a filter and a diffuser.
- the hydraulic fluid then passes from the hydraulic pump to the hydraulic motor to to drive this, and flows from there via an associated Hydraulic cooler and a filter back to the container.
- the hydraulic fluid flows in a closed circuit from the hydraulic pump to the hydraulic motor and back there to the hydraulic pump.
- Only a small subset of the hydraulic fluid Can via a so-called rinse block on the Low pressure side removed from the hydraulic circuit and be replaced by a feed pump from a container. This has the aim to dissipate a possible heat input.
- the cooling capacity of the fan is thus not known in the acquaintance optimal way to the existing temperature in the cooler the internal combustion engine adaptable.
- the invention is based on the object, a device for operating a fan for a radiator of an internal combustion engine to provide an always reliable, the requirements appropriate cooling of the cooling liquid in Cooler ensured by the fan.
- the Hydraulic circuit is a closed hydraulic circuit.
- the advantage is achieved that by a regulation of arranged in a closed hydraulic circuit components in a simple, energetically favorable way one the requirements to achieve appropriate control of the fan speed is. Electrically adjustable proportional valves can be saved. With the use of a closed Hydraulic circuit is also saved the diffuser and you come with a smaller container for hydraulic fluid because only a small part of the hydraulic fluid is exchanged. If there is a hydraulic cooler This is only necessary for the relatively small exchange rate be designed for the hydraulic fluid, as he only the hydraulic fluid returned to the small container to cool. Likewise, only a small filter necessary, new in the supply line for the small amount is arranged to be supplied hydraulic fluid.
- the device according to the invention is significantly cheaper to build up as a known device for operating a fan.
- the device according to the Invention particularly simple and low energy controllable.
- hydraulic motor is directly connected to the fan coupled. Elaborate additional components are not needed.
- the volume flow in the closed hydraulic circuit to easily control the speed of the fan adjustable.
- volumetric flow controller is only from a certain volume flow, the one too high speed of the fan would be active and then prevents further increase of the volume flow towards the hydraulic motor. This provides the advantage that the fan is not overloaded and the hydraulic motor energetic can be operated conveniently.
- the fan speed increases from a first speed of the Controlled engine and reached at a second Speed of the internal combustion engine has a maximum value at a further increase in the speed of the internal combustion engine remains unchanged. At a speed of the internal combustion engine, which is less than the said first speed of the Internal combustion engine, cooling is not required. Of the Fan then stops.
- the speed of the fan by a him limit switch limited, the maximum value stored for the speed of the fan. This is given another way to overload the To avoid fans.
- a hydraulic pump is part of the closed Hydraulic circuit.
- the hydraulic pump is directly connected to the internal combustion engine connected. This gives the advantage that the speed the hydraulic pump and thus the fan speed with the speed of the internal combustion engine increases or decreases.
- the delivery volume of the hydraulic pump and thus the performance of the fan therefore depends directly on the speed of the Internal combustion engine and thus the temperature of the coolant from.
- the delivery volume of the hydraulic pump for Adjustable speed control of the fan for Adjustable speed control of the fan. It saves you advantageous hitherto necessary, expensive control valves.
- the delivery volume of the hydraulic pump is dependent adjustable by the speed of the internal combustion engine.
- the speed of the internal combustion engine In order to the advantage is achieved that just at relatively high Speed of the internal combustion engine unnecessarily high performance the fan is provided.
- the delivery volume of the hydraulic pump in Dependence on the temperature of the cooling liquid in the adjustable to the cooler associated cooling system. This will be the Coolant cooled reliably.
- the delivery volume of the hydraulic pump through Changing the pivot angle of a arranged in the hydraulic pump Adjustable swivel disc.
- the advantage is achieved that is optimal, energetic Cheap cooling via the fan with simple, inexpensive Components is achievable.
- a railcar e.g. a diesel locomotive
- An internal combustion engine 1 which is a vehicle, in particular a Rail vehicle drives is a cooling system, not shown assigned, which contains a cooler for cooling liquid.
- This cooler is a fan 2 assigned by the generation of an air flow to the radiator and thus the Cooling liquid cools down.
- the fan 2 is driven by a hydraulic motor 3, which is part of a closed hydraulic circuit 4. hydraulic fluid in the closed hydraulic circuit 4 is moved by a hydraulic pump 5 arranged there, from the Internal combustion engine 1 is driven.
- closed hydraulic circuit 4 When closed hydraulic circuit 4 is only a small Amount of hydraulic fluid via leakage lines 6 and a Hydraulic cooler 7 passed into a container 8. From there will lack of hydraulic fluid via a feed pump 9 and a Pressure filter 10 back into the closed hydraulic circuit 4 fed.
- the Fan 2 can either the swivel angle of a swash plate 11 are changed in the hydraulic pump 5 or it may be a volume flow regulator 12 in the closed hydraulic circuit 4 are operated. Both a servo valve or a Proportional valve for changing the swivel angle of the swashplate 11, as well as the volumetric flow controller 12, depending on the measured speed of the internal combustion engine. 1 be controlled so that a desired flow in the closed hydraulic circuit 4 and thus a desired Speed of the fan 2 sets. It comes in particular on it that the speed of the fan 2 also continues increasing speed of the internal combustion engine 1 a maximum value can not exceed.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Eye Examination Apparatus (AREA)
- Power Steering Mechanism (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
Description
Claims (10)
- Vorrichtung zum Betreiben eines Lüfters (2) für einen Kühler eines Verbrennungsmotors (1), wobei der Lüfter (2) mit einem Hydraulikmotor (3) verbunden ist, der Teil eines Hydraulikkreislaufs ist,
dadurch gekennzeichnet, dass der Hydraulikkreislauf ein geschlossener Hydraulikkreislauf (4) ist. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, dass der Hydraulikmotor (3) mit dem Lüfter (2) direkt gekoppelt ist. - Vorrichtung nach einem der Ansprüche 1 oder 2,
dadurch gekennzeichnet, dass im geschlossenen Hydraulikkreislauf (4) ein Volumenstromregler (12) angeordnet ist. - Vorrichtung nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, dass die Drehzahl des Lüfters (2) durch einen ihm zugeordneten Grenzwertgeber begrenzbar ist, der einen Maximalwert für die Drehzahl des Lüfters (2) gespeichert hat. - Vorrichtung nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, dass eine Hydraulikpumpe (5) Bestandteil des geschlossenen Hydraulikkreislaufs (4) ist. - Vorrichtung nach Anspruch 5,
dadurch gekennzeichnet, dass zum Antreiben der Hydraulikpumpe (5) diese mit dem Verbrennungsmotor (1) verbunden ist. - Vorrichtung nach einem der Ansprüche 5 oder 6,
dadurch gekennzeichnet, dass das Fördervolumen der Hydraulikpumpe (5) zum Regeln der Drehzahl des Lüfters (2) regelbar ist. - Vorrichtung nach einem der Ansprüche 5 bis 7,
dadurch gekennzeichnet, dass das Fördervolumen der Hydraulikpumpe (5) abhängig von der Drehzahl des Verbrennungsmotors (1) regelbar ist. - Vorrichtung nach einem der Ansprüche 5 bis 8,
dadurch gekennzeichnet, dass das Fördervolumen der Hydraulikpumpe (5) in Abhängigkeit von der Temperatur der Kühlflüssigkeit in der dem Kühler zugeordneten Kühlanlage regelbar ist. - Vorrichtung nach einem der Ansprüche 5 bis 10,
dadurch gekennzeichnet, dass das Fördervolumen der Hydraulikpumpe (5) durch Verändern des Schwenkwinkels einer in der Hydraulikpumpe (5) angeordneten Schwenkscheibe (11) regelbar ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004028354A DE102004028354A1 (de) | 2004-06-11 | 2004-06-11 | Vorrichtung zum Betreiben eines Lüfters |
DE102004028354 | 2004-06-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1607600A1 true EP1607600A1 (de) | 2005-12-21 |
EP1607600B1 EP1607600B1 (de) | 2011-04-06 |
Family
ID=34982543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05105038A Not-in-force EP1607600B1 (de) | 2004-06-11 | 2005-06-09 | Vorrichtung zum Betreiben eines Lüfters |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1607600B1 (de) |
AT (1) | ATE504728T1 (de) |
DE (2) | DE102004028354A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9718345B2 (en) | 2014-06-05 | 2017-08-01 | Liebherr-Mining Equipment Colmar Sas | Dump truck or truck |
EP3418451A1 (de) * | 2017-06-22 | 2018-12-26 | ABI Anlagentechnik-Baumaschinen-Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH | Arbeitsgerät mit hydraulischem antrieb für tiefbauarbeiten |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007058534B4 (de) | 2007-12-06 | 2016-01-21 | Deere & Company | Kühlanordnung mit hydraulisch angetriebenen Lüftern |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5002019A (en) * | 1989-02-03 | 1991-03-26 | Suddeutsche Kuhlerfabrik Julius Fr. Behr Gmbh & Co. Kg | Radiator arrangement, particularly for cooling the engine of commercial vehicles |
JPH10196364A (ja) * | 1997-01-07 | 1998-07-28 | Toyota Motor Corp | 冷却ファン制御装置 |
US5875630A (en) * | 1997-06-10 | 1999-03-02 | Sauer Inc. | Hydraulic drive assembly |
US20040003782A1 (en) * | 2000-09-08 | 2004-01-08 | Herbert Ziplies | Method and device for regulation of a cooling fan drive on an internal combustion engine in a construction or working machine |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE892393C (de) * | 1951-07-29 | 1953-10-08 | Erich Dipl-Ing Wachsmuth | Rotierender Hilfsmaschinenantrieb fuer fluessigkeitsgekuehlte Freiflugkolbenmaschinen |
CH323708A (de) * | 1952-12-15 | 1957-08-15 | Sueddeutsche Kuehler Behr | Einrichtung zur selbsttätigen Anpassung der geförderten Kühlluftmenge eines Lüfters an den Kühlluftbedarf eines Kühlers |
US6750623B1 (en) * | 2002-12-17 | 2004-06-15 | Caterpillar Inc. | Reversible automatic fan control system |
-
2004
- 2004-06-11 DE DE102004028354A patent/DE102004028354A1/de not_active Withdrawn
-
2005
- 2005-06-09 EP EP05105038A patent/EP1607600B1/de not_active Not-in-force
- 2005-06-09 AT AT05105038T patent/ATE504728T1/de active
- 2005-06-09 DE DE502005011205T patent/DE502005011205D1/de active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5002019A (en) * | 1989-02-03 | 1991-03-26 | Suddeutsche Kuhlerfabrik Julius Fr. Behr Gmbh & Co. Kg | Radiator arrangement, particularly for cooling the engine of commercial vehicles |
JPH10196364A (ja) * | 1997-01-07 | 1998-07-28 | Toyota Motor Corp | 冷却ファン制御装置 |
US5875630A (en) * | 1997-06-10 | 1999-03-02 | Sauer Inc. | Hydraulic drive assembly |
US20040003782A1 (en) * | 2000-09-08 | 2004-01-08 | Herbert Ziplies | Method and device for regulation of a cooling fan drive on an internal combustion engine in a construction or working machine |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 12 31 October 1998 (1998-10-31) * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9718345B2 (en) | 2014-06-05 | 2017-08-01 | Liebherr-Mining Equipment Colmar Sas | Dump truck or truck |
EP3418451A1 (de) * | 2017-06-22 | 2018-12-26 | ABI Anlagentechnik-Baumaschinen-Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH | Arbeitsgerät mit hydraulischem antrieb für tiefbauarbeiten |
Also Published As
Publication number | Publication date |
---|---|
DE102004028354A1 (de) | 2006-01-05 |
EP1607600B1 (de) | 2011-04-06 |
DE502005011205D1 (de) | 2011-05-19 |
ATE504728T1 (de) | 2011-04-15 |
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