DE2441086A1 - Vehicle accessory belt drive - two of pulleys adjust automatically, for speed governing - Google Patents

Vehicle accessory belt drive - two of pulleys adjust automatically, for speed governing

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Publication number
DE2441086A1
DE2441086A1 DE2441086A DE2441086A DE2441086A1 DE 2441086 A1 DE2441086 A1 DE 2441086A1 DE 2441086 A DE2441086 A DE 2441086A DE 2441086 A DE2441086 A DE 2441086A DE 2441086 A1 DE2441086 A1 DE 2441086A1
Authority
DE
Germany
Prior art keywords
belt
speed
belt drive
pulleys
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.)
Pending
Application number
DE2441086A
Other languages
German (de)
Inventor
Jep Reuter Krag
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DE2441086A priority Critical patent/DE2441086A1/en
Publication of DE2441086A1 publication Critical patent/DE2441086A1/en
Priority to DE19762650950 priority patent/DE2650950A1/en
Pending legal-status Critical Current

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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
    • 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
    • F01P7/046—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio using mechanical drives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/66—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings
    • F16H61/662—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members
    • F16H61/66231—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members controlling shifting exclusively as a function of speed
    • F16H61/66245—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members controlling shifting exclusively as a function of speed using purely mechanical sensing or control means

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Transmissions By Endless Flexible Members (AREA)

Abstract

speed governing pulley drive, particularly for radiator fans and dynamos in automotive engines is driven in common by a pulley belt and its speed is reduced when the engine speed increases and increased when the engine speed drops. The belt drive has three or more pulleys, only two of which adjust automatically and directly in counter-traction to each other. The transmission altering centrifugal bodies (9) support against a counter-pressure plate (8) which has a curvature (8a) which determines the characteristic of the speed alteration. Pressure rollers (10) in the centrifugal bodies (9) support against each other on their circumference.

Description

Drehzahlregelnder Keilriemenantrieb insbesondere für Kühlerventilatoren und Lichtmaschinen an K.B.Z.-Motoren. Speed-regulating V-belt drive, especially for radiator fans and alternators on K.B.Z.-engines.

Die Erfindung bezieht sich auf einen selbsttätig, stufenlos drehzahlregelnden Keilriemenantrieb, bei dem gleichzeitig mehrere Aggregate angetrieben und in ihrer Drehzahl geregelt werden, bestehend aus, mit den Wellen verbundenen Konusscheiben und auf den ellen axial verschiebbaren Konusscheiben, die entweder durch Federdruck oder dur ch F liehkörper gegen den zwischen ihnen la@fenden Keilriemen gepreßt werden.The invention relates to an automatic, continuously variable speed control V-belt drive, in which several units are driven simultaneously and in their Speed can be regulated, consisting of conical disks connected to the shafts and on the ellen axially displaceable conical disks, either by spring pressure or be pressed by lent bodies against the V-belt running between them.

selbsttätig drehzahlregelnde Keilriemenantriebe sind in vielfacher Enorm bekannt. bie sind dazu bestimmt, das Ubersetzungsverhältnis zwischen zwei, durch Keilriemen miteinander vertundenen Wellen in Abhangigkeit von deren Drehzahl oder Drehmoment zu verändern.Automatic speed-regulating V-belt drives are available in multiple Well known. They are intended to determine the transmission ratio between two, shafts connected to one another by V-belts depending on their speed or to change the torque.

Zweck der erfindung ist es, in anderem Zusammenhang bekanntgewordene rinzelheiten an Keilriemengetrieben so zu kombinieren, daß zwei oder mehr, von einer Welle angetriebene Aggregate gleichzeitig drehzahlgeregelt werden.The purpose of the invention is to find out what has become known in another context to combine the details of V-belt drives in such a way that two or more, of one Shaft driven units are speed controlled at the same time.

Anwendungsbeispiel : Die Lichtmaschinen und Kühlerventilatoren an KFZ-Notoren müssen bisher unzweckmässigerweise mit einer, dem Leerlauf des liotors angepaßten Drehzahl angetrieben werden, um ihrer Aufgabe gerecht zu werden. Bei Höchstdrehzahl des Motors erzeugen sie deshalb ein übermäßiges Geräusch, entwickeln einen hohen Leistungsbedarf und unterliegen einem überhöhten Verschleiß.Application example: The alternators and radiator fans on Motor vehicle notors have so far inconveniently with one, the idling of the liotors adapted speed are driven to do their job. at Therefore, they generate excessive noise, develop at maximum engine speed a high power requirement and are subject to excessive wear.

Die vorliegende Erfindung vermeidet z.B. für diesen 'all dolche dachteile dadurch, daß der übliche, die Lichtmaschine und den Ventilator von der Kurbelwelle aus antreibende eilriemen über wenigstens zwei, regelbare Keilriemenscheiben geführt wird. Dadurch wird erreicht, daß bei langsam laufendem Motor die Lichtmaschine, zwecks Batterieladung, und der Ventilator, zwecks Motorkuulung, höher drehen als üblich und bei schnellaufendem Motor zwecks Geräuschminderung und Leistungsbedarfsherabsetzung langsamer laufen als üblich.For example, the present invention avoids roof parts for these 'all daggers' in that the usual, the alternator and the fan from the crankshaft from driving belts guided over at least two adjustable V-belt pulleys will. This ensures that when the engine is running slowly, the alternator, for battery charging, and the fan for motor cooling, turn higher than Common and with a high-speed engine for the purpose of noise reduction and lowering the power requirement run slower than usual.

D.h. die beiden Aggregate bleiben weitgehend im Bereich ihrer günstigsten Drehzahl. In den beigefiigtesl Zeichnungen ist die Erfindung in mehreren Einzelheiten dargestellt.This means that the two units remain largely in the range of their cheapest Rotational speed. In the accompanying drawings the invention is in more details shown.

Es zeigen Fig.1 die Frontansicht eines KFZ-Motors mit den anzutreibenden Aggregaten und dem Keilriemen-Antrieb in Motorleerlauf-Stellung.FIG. 1 shows the front view of a motor vehicle engine with the ones to be driven Aggregates and the V-belt drive in engine idle position.

Fig.2 dto. mit dem Keilriemenantrieb in Notorhochdrehzahl-Stellung.Fig. 2 dto. With the V-belt drive in the notor high-speed position.

Fig.3 den ijängsschnitt GLi A-B durch den Keilriemenantrieb nach Fig.1.3 shows the longitudinal section GLi A-B through the V-belt drive according to FIG.

Fig .4 den Längsschnitt C-D durch den Keilriemenantrieb nach Fig.2.Fig. 4 shows the longitudinal section C-D through the V-belt drive according to Fig. 2.

Fig.5 die Gegendruckscheibe mit Fliehkörpern im Querschnitt B-F nach Fig.4.Fig. 5 shows the counter-pressure disc with centrifugal bodies in cross-section B-F Fig. 4.

Der Einfachheit halber ist der, der Erfindung zugrundeliegende Keilriemenantrieb in ir weiteren Beychreibung nur auf den beispielhaften Antrieb von Lichtmaschine und Kühlerventilator bezogen und wird mit Keilriemen-Triebwerk bezeichnet. Es besteht aus der Antriebs-Festscheibe 1, die fest auf der Kurbelwelle 2 montiert ist, und weitere Keilriemenrillen 3 zum Antrieb anderer Aggregate aufnehmen kann, der axial verschiebbaren, aber nicht verdrehbaren Antriebsschiebescheibe 4, der Anpreßfeder 5, der Trieb-Festscheibe 6, die fest mit dem Ventilatorflügel 13 auf dem Flansch 15 der Wasserpumpe 14 verbunden ist, der axial verschiebbaren, aber nicht verdrehbaren Trieb-Schiebescheibe 7 der Gegendruckscheibe 8, den an letzterer angelenkten Fliebkörpern 9 mit den Druckrollen 10 und dem Keilriemen 11.For the sake of simplicity, the V-belt drive on which the invention is based is used in further description only to the exemplary drive of the alternator and radiator fan and is referred to as a V-belt drive. It exists from the drive fixed disk 1, which is firmly mounted on the crankshaft 2, and can accommodate more V-belt grooves 3 to drive other units, the axially displaceable, but not rotatable, drive disk 4, the pressure spring 5, the drive fixed disk 6, which is fixed to the fan blade 13 on the flange 15 of the water pump 14 is connected, the axially displaceable, but not rotatable Drive sliding disk 7 of the counter-pressure disk 8, the floating bodies articulated on the latter 9 with the pressure rollers 10 and the V-belt 11.

Im Leerlauf und bei niedriger Drehzahl drückt die Anpreßfeder 5 die Antriebs-Schiebescheibe 4 gegen die Antriebs-Festscheibe 1 und preßt damit den Keilriemen auf den größten Antriebsscheiben-Durchmesser. Die fliehkraft der Dliehkörper 9 ist bei dieser Drehzahl nicht groß genug, um über die Trieb-Schiebescheibe 7 den Keilriemen 11 auf größeren Durchmesser zu drücken, sie bleibt daher auf kleinstem Durchmesser der Triebscheibe 6+7. Dieser Zustand ist in Fig.1 und Fig.4 dargestellt. Die getriebenen Aggregate, Lichtmaschine 12 und Ventilator 13, erhalten somit gegenüber dem Motor ihre relative Höchstdrehzahl.In idle and at low speed, the pressure spring 5 pushes the Drive sliding disk 4 against the drive fixed disk 1 and thus press the V-belt to the largest drive pulley diameter. The centrifugal force of the rotating body 9 is at this speed not large enough to run the V-belt over the drive sliding disk 7 11 to a larger diameter, it therefore remains on the smallest diameter of the drive pulley 6 + 7. This state is shown in Fig.1 and Fig.4. The driven ones Aggregates, alternator 12 and fan 13, are thus given over to the engine their relative maximum speed.

erhöht sich die Drehzahl des Motors, so lrü>=en oze Fliehkörper 9 mit ihren Rollen 10 über die Trieb-Schiebescheibe gegen den Druck der Anpreßfeder 5, den Keilr{i{emen auf größeren Durchmesser. Bei Röchstdrehzahl des Motors läuft der Keilriemen auf dem größten Durchmesser der Triebscheibe 6+7 und auf dem kleinsten Durchmesser der Antriebsscheibe 1+4. Dieser Zustand ist in Fig.2 und Fig.3 dargestellt.if the engine speed increases, then lrü> = en oze centrifugal body 9 with their rollers 10 over the drive sliding disk against the pressure of the pressure spring 5, the wedge gears to a larger diameter. The engine runs at maximum speed the V-belt on the largest diameter of the drive pulley 6 + 7 and on the smallest Drive pulley diameter 1 + 4. This state is shown in Fig.2 and Fig.3.

Die getriebenen Aggregate 12 uns 13 erhalten so im Verhältnis zur Motordrehzahl ihre relativ geringste Drehzahl.The driven units 12 and 13 get so in relation to Engine speed is its relatively lowest speed.

Durch geeignete Krümmung der Gegendruckscheibe 8 und einem bestimmten Gewicht der F liehkörper 9 wird erreicht, daß bei allen Zwischendrehzahlen des ilotors sich die entsprechende Drehzahl der Aggregate 12 und 13 einstellt.By suitable curvature of the counter pressure disc 8 and a certain Weight of the loan body 9 is achieved that at all intermediate speeds of the ilotors the corresponding speed of the units 12 and 13 is set.

Um die, durch verschiedene Umschließungswinkel und der Keilriemen auf den Triebwerkscheiben notwendig werdende Längenveränderung des TIeib riemens auszugleichen, wird die Scheibe mit dem kleineren Umschließungswinkel im Durchmesser größer gehalten - Fig.1+2 - als die Scheibe mit dem größeren UmschließungswinkelTo that, through different angles and the V-belt Changes in length of the belt that become necessary on the drive unit pulleys to compensate, the disc with the smaller angle of enclosure will be in diameter kept larger - Fig. 1 + 2 - than the disc with the larger angle of enclosure

Claims (4)

Patentansprüche Drehzahlregelnder Keilriemenantrieb, insbesondere für Kühlerventilatoren und Lichtmaschinen an KFZ - Motoren, die durch einen Keilriemen gemeinsam angetrieben und deren Drehzahl bei sgeigender Ilotordrehzahl gemindert und bei fallender Motordrehzahl gesteigert werden, dadurch gekennzeichnet, daß der Keilriemen zwar drei oder mehr Riemenscheiben umfaßt, aber nur zwei Riemenscheiben sich im Gegenzug zueinander selbsttatig und stufenlos verstellen. Patent claims Speed-regulating V-belt drive, in particular for radiator fans and alternators on motor vehicle engines, which are driven by a V-belt jointly driven and their speed reduced when the rotor speed increases and be increased as the engine speed falls, characterized in that the V-belt includes three or more pulleys, but only two pulleys in return, adjust automatically and continuously. 2) Keilriementriebwerk nach Anspruch 1 dadurch gekennzeichnet, daß die, die Übersetzung verändernden Bliehkörper 9 sich gegen eine Gegendrucksoheibe 8 abstützen, deren Teller eine Krümmung 8a aufweist, die die Charakteristik der Drehzahländerung bestimmt.2) V-belt drive according to claim 1, characterized in that the lead body 9 changing the translation against a counter pressure bracket Support 8, the plate has a curvature 8a that has the characteristics of Speed change determined. 3) Keilriementriebwerk nach Anspruch 1 und 2 dadurch gekennzeichnet, daß die durch verschiedene Keilriemen-Umschließungswinkel notwendig werdende Seilriemenlängenänderung durch entsptechende Wahl der Scheibendurchmesser ausgeglichen wird.3) V-belt drive according to claim 1 and 2, characterized in that that the rope belt length change that becomes necessary due to different V-belt enclosing angles is compensated by the appropriate choice of the pulley diameter. 4) Keilriementriebwerk nach Anspruch 1 bis 3 dadurch gekennzeichnet, daß die Druckrollen 10 in den Fliehkörpern 9 sich an ihrem Umfang gegeneinander abstützen.4) V-belt drive according to claim 1 to 3, characterized in that that the pressure rollers 10 in the centrifugal bodies 9 against each other at their circumference prop up.
DE2441086A 1974-08-27 1974-08-27 Vehicle accessory belt drive - two of pulleys adjust automatically, for speed governing Pending DE2441086A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE2441086A DE2441086A1 (en) 1974-08-27 1974-08-27 Vehicle accessory belt drive - two of pulleys adjust automatically, for speed governing
DE19762650950 DE2650950A1 (en) 1974-08-27 1976-11-08 Vehicle radiator fan pulley drive adjuster - has higher pressure produced from adjusting side spring than from adjusted side

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2441086A DE2441086A1 (en) 1974-08-27 1974-08-27 Vehicle accessory belt drive - two of pulleys adjust automatically, for speed governing

Publications (1)

Publication Number Publication Date
DE2441086A1 true DE2441086A1 (en) 1976-03-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE2441086A Pending DE2441086A1 (en) 1974-08-27 1974-08-27 Vehicle accessory belt drive - two of pulleys adjust automatically, for speed governing

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DE (1) DE2441086A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4094204A (en) * 1975-08-09 1978-06-13 Nippondenso Co., Ltd. Driving apparatus and method
DE4335771C1 (en) * 1993-10-20 1995-03-09 Daimler Benz Ag Automotive electrical system with electrical machine with on-board electrical system function
EP0666437A1 (en) * 1994-01-31 1995-08-09 José Manuel Rodriguez Ferre Automatic transmission systems with application in electric automobile motors for use by children
DE19653398A1 (en) * 1996-12-20 1998-06-25 Kloeckner Humboldt Deutz Ag V-belt pulley for internal combustion engine of motor vehicle
DE19801792A1 (en) * 1998-01-19 1999-07-22 Volkswagen Ag Method for controlling a drive system of a motor vehicle with automatic swing-utility (SNA)
DE102005035035A1 (en) * 2005-07-27 2007-02-01 Schaeffler Kg Traction mechanism drive for transferring torque between shafts has a tension device associated with a traction mechanism disk

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4094204A (en) * 1975-08-09 1978-06-13 Nippondenso Co., Ltd. Driving apparatus and method
DE4335771C1 (en) * 1993-10-20 1995-03-09 Daimler Benz Ag Automotive electrical system with electrical machine with on-board electrical system function
US5539286A (en) * 1993-10-20 1996-07-23 Mercedes-Benz Ag Motor vehicle electrical system having an electrical machine functioning as an on-board power supply generator
DE4335771C2 (en) * 1993-10-20 1999-11-04 Daimler Chrysler Ag Automotive electrical system with electrical machine with on-board electrical system function
EP0666437A1 (en) * 1994-01-31 1995-08-09 José Manuel Rodriguez Ferre Automatic transmission systems with application in electric automobile motors for use by children
DE19653398A1 (en) * 1996-12-20 1998-06-25 Kloeckner Humboldt Deutz Ag V-belt pulley for internal combustion engine of motor vehicle
DE19801792A1 (en) * 1998-01-19 1999-07-22 Volkswagen Ag Method for controlling a drive system of a motor vehicle with automatic swing-utility (SNA)
DE102005035035A1 (en) * 2005-07-27 2007-02-01 Schaeffler Kg Traction mechanism drive for transferring torque between shafts has a tension device associated with a traction mechanism disk

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