ES2212760T3 - PROCEDURE AND DEVICE TO AVOID THE SLIDE OF A BELT. - Google Patents

PROCEDURE AND DEVICE TO AVOID THE SLIDE OF A BELT.

Info

Publication number
ES2212760T3
ES2212760T3 ES00104204T ES00104204T ES2212760T3 ES 2212760 T3 ES2212760 T3 ES 2212760T3 ES 00104204 T ES00104204 T ES 00104204T ES 00104204 T ES00104204 T ES 00104204T ES 2212760 T3 ES2212760 T3 ES 2212760T3
Authority
ES
Spain
Prior art keywords
slippage
alternator
belt
shaft
risk
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
Application number
ES00104204T
Other languages
Spanish (es)
Inventor
Michael Dr. Maurer
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Application granted granted Critical
Publication of ES2212760T3 publication Critical patent/ES2212760T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
    • F02N15/08—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing being of friction type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/04—Starting of engines by means of electric motors the motors being associated with current generators

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)
  • Control Of Eletrric Generators (AREA)

Abstract

Procedimiento para reducir el resbalamiento de una correa que une un alternador con un árbol de un motor, donde el alternador puede hacerse funcionar también como motor de accionamiento, caracterizado porque se calcula una medida del riesgo de resbalamiento de la correa y porque, al sobrepasarse un valor límite, se solicita el alternador, concretamente se le frena o se le acelera, de tal manera que se reduzca un resbalamiento o el riesgo de un resbalamiento.Procedure to reduce the slippage of a belt that links an alternator with a shaft of an engine, where the alternator can also be operated as a drive motor, characterized in that a measure of the risk of belt slippage is calculated and why, when a belt is exceeded limit value, the alternator is requested, specifically slowed or accelerated, in such a way that a slippage or the risk of a slippage is reduced.

Description

Procedimiento y dispositivo para evitar el resbalamiento de una correa.Procedure and device to avoid Slip on a belt.

La invención concierne un procedimiento y un dispositivo para evitar el resbalamiento de una correa según el preámbulo de la reivindicación 1 y la reivindicación 8, respectivamente.The invention concerns a method and a device to prevent the slipping of a belt according to the preamble of claim 1 and claim 8, respectively.

Convencionalmente, los alternadores, por ejemplo en vehículos automóviles, son accionados desde el cigüeñal a través de una correa. A altos valores de la aceleración o deceleración de rotación del cigüeñal se puede producir, especialmente debido a la inercia del alternador, un resbalamiento entre la correa y las poleas. Este resbalamiento no sólo conduce a un desgaste excesivo, sino que ocasiona también una emisión incrementada de ruidos.Conventionally, the alternators, for example in motor vehicles, they are driven from the crankshaft through of a belt. At high values of acceleration or deceleration of Crankshaft rotation may occur, especially due to the alternator inertia, a slip between the belt and the pulleys This slip not only leads to excessive wear, It also causes an increased noise emission.

En el documento EP 0 136 384 A se propone reducir por desacoplamiento la carga ocasionadas por los grupos secundarios sobre un motor de accionamiento durante un arranque o durante un proceso de aceleración del motor de accionamiento. Se puede suprimir así en parte el resbalamiento de una correa.In EP 0 136 384 A it is proposed to reduce by decoupling the load caused by the secondary groups on a drive motor during a start or during a Acceleration process of the drive motor. Can be suppressed thus partly the slipping of a belt.

Se conocen también sistemas en los que, en lugar de una máquina eléctrica que genera solamente corriente, se utilizan en la transmisión de correa máquinas que, además, pueden arrancar también el motor de combustión.Systems are also known in which, instead of an electric machine that generates only current, are used in the belt transmission machines that can also start also the combustion engine.

El cometido de la invención consiste en reducir el resbalamiento o el riesgo de resbalamiento en un procedimiento o en un dispositivo de la clase citada al principio.The purpose of the invention is to reduce the slip or risk of slipping in a procedure or on a device of the class mentioned at the beginning.

Este problema se resuelve en el aspecto del procedimiento con las características citadas en la reivindicación 1 y en el aspecto del dispositivo con las características citadas en la reivindicación 8.This problem is resolved in the aspect of procedure with the characteristics cited in claim 1 and in the appearance of the device with the characteristics mentioned in claim 8.

Medidas ventajosas se encuentran definidas en las reivindicaciones subordinadas.Advantageous measures are defined in the subordinate claims.

Según la invención, en casos de funcionamiento en los que exista un riesgo de un resbalamiento excesivo o incluso se presente resbalamiento, se hace funcionar la máquina eléctrica de tal manera que aminore activamente el resbalamiento.According to the invention, in cases of operation in those that there is a risk of excessive slippage or even present slip, the electric machine is operated such that it actively reduces slippage.

Las medidas se explicarán para un cigüeñal de un motor de combustión.The measurements will be explained for a crankshaft of a combustion engine

A valores de aceleración demasiado grandes del cigüeñal, en donde la correa accionada por el motor de combustión trataría de adelantarse a la polea de la máquina eléctrica, si acelera activamente la máquina eléctrica, es decir que se alimenta corriente a la máquina eléctrica, de modo que ésta trabaja como un motor eléctrico y así no se acelera espontáneamente. Se disminuye de este modo el resbalamiento de la correa.At acceleration values that are too large for crankshaft, where the belt driven by the combustion engine would try to get ahead of the pulley of the electric machine, if actively accelerates the electric machine, that is, it feeds current to the electric machine, so that it works as a electric motor and thus does not accelerate spontaneously. It decreases from this way the belt slip.

A valores de deceleración demasiado grandes del cigüeñal, en donde la máquina eléctrica, debido a su energía cinética, trataría de adelantarse a la correa, se decelera activamente la máquina eléctrica, es decir que se toma corriente de la máquina eléctrica, de modo que ésta trabaja como un freno eléctrico y se frena así espontáneamente. Se disminuye entonces el resbalamiento de la correa. Es favorable que se alimente a la red del vehículo la corriente eléctrica que se substrae a la máquina eléctrica.At deceleration values that are too large for crankshaft, where the electric machine, due to its energy Kinetic, would try to get ahead of the belt, decelerate actively the electric machine, that is to say that current is taken from the electric machine, so that it works like a brake electric and brakes like this spontaneously. Then the belt slip. It is favorable to feed the network from the vehicle the electric current that is subtracted from the machine electric

Mediante el procedimiento según la invención y el dispositivo según la invención se evitan el resbalamiento y el desgaste ligado a él, así como el ruido originado por él.By the method according to the invention and the device according to the invention slipping and wear linked to it, as well as the noise caused by it.

Claims (10)

1. Procedimiento para reducir el resbalamiento de una correa que une un alternador con un árbol de un motor, donde el alternador puede hacerse funcionar también como motor de accionamiento, caracterizado porque se calcula una medida del riesgo de resbalamiento de la correa y porque, al sobrepasarse un valor límite, se solicita el alternador, concretamente se le frena o se le acelera, de tal manera que se reduzca un resbalamiento o el riesgo de un resbalamiento.1. Procedure for reducing the slippage of a belt connecting an alternator with a shaft of an engine, where the alternator can also be operated as a drive motor, characterized in that a measure of the risk of belt slippage is calculated and because, at If a limit value is exceeded, the alternator is requested, specifically braked or accelerated, in such a way that a slippage or the risk of a slippage is reduced. 2. Procedimiento según la reivindicación 1, caracterizado porque como medida del riesgo de un resbalamiento de la correa se emplea la aceleración o la deceleración de la velocidad de rotación del árbol.2. Method according to claim 1, characterized in that the acceleration or deceleration of the rotation speed of the shaft is used as a measure of the risk of a belt slip. 3. Procedimiento según la reivindicación 1, caracterizado porque se capta el número de revoluciones del árbol, se capta el número de revoluciones del alternador, se calcula a partir de ambos números de revoluciones el resbalamiento de la correa y se solicita el alternador, concretamente se le acelera y se le frena, de tal manera que se reduzca el resbalamiento.3. Method according to claim 1, characterized in that the number of revolutions of the shaft is captured, the number of revolutions of the alternator is captured, the slippage of the belt is calculated from both revolutions and the alternator is requested, specifically it accelerates and slows it down, so that the slippage is reduced. 4. Procedimiento según la reivindicación 3, caracterizado porque se prefija un primer valor límite de resbalamiento a partir del cual se activa la reducción del resbalamiento.4. The method according to claim 3, characterized in that a first slipping limit value from which the slip reduction is activated is prefixed. 5. Procedimiento según la reivindicación 3 ó 4, caracterizado porque se prefija un segundo valor límite del resbalamiento a partir del cual se desactiva la reducción del resbalamiento.5. Method according to claim 3 or 4, characterized in that a second slip slip limit value from which the slip reduction is deactivated is preset. 6. Procedimiento según una de las reivindicaciones 1 a 5, caracterizado porque se hace funcionar el alternador durante su aceleración a la manera de un motor eléctrico.Method according to one of claims 1 to 5, characterized in that the alternator is operated during its acceleration in the manner of an electric motor. 7. Procedimiento según una de las reivindicaciones 1 a 6, caracterizado porque se hace funcionar el generador durante su deceleración a la manera de un freno eléctrico.Method according to one of claims 1 to 6, characterized in that the generator is operated during its deceleration in the manner of an electric brake. 8. Dispositivo para reducir el resbalamiento de una correa que une un alternador con un árbol de un motor, en donde el alternador está configurado de tal manera que puede hacerse funcionar también como motor de accionamiento, caracterizado porque está previsto un primer equipo para calcular el riesgo de un resbalamiento de la correa sobre la base de la aceleración o la deceleración de la velocidad de rotación del árbol, y porque está previsto una disposición de mando que está unida con el primer equipo y que solicita, concretamente acelera o frena, al alternador de tal manera que se reduzca el resbalamiento o el riesgo de un resbalamiento.8. Device for reducing the slippage of a belt that links an alternator with a shaft of an engine, where the alternator is configured in such a way that it can also be operated as a drive motor, characterized in that a first device is provided for calculating the risk of a belt slipping on the basis of acceleration or deceleration of the rotation speed of the shaft, and because a control arrangement is provided that is connected to the first equipment and that specifically requests accelerates or brakes the alternator such that the slippage or the risk of a slippage is reduced. 9. Dispositivo según la reivindicación 8, caracterizado porque está previsto un segundo equipo para captar el número de revoluciones del árbol, porque está previsto un tercer equipo para captar el número de revoluciones del alternador y porque está previsto un cuarto equipo para calcular el resbalamiento de la correa a partir de los dos números de revoluciones.Device according to claim 8, characterized in that a second device is provided to capture the number of revolutions of the shaft, because a third device is provided to capture the number of revolutions of the alternator and because a fourth device is provided to calculate the slippage of the belt from the two speed numbers. 10. Dispositivo según una de las reivindicaciones 8 y 9, caracterizado porque el árbol es un cigüeñal de un motor de combustión.10. Device according to one of claims 8 and 9, characterized in that the shaft is a crankshaft of a combustion engine.
ES00104204T 1999-04-08 2000-03-01 PROCEDURE AND DEVICE TO AVOID THE SLIDE OF A BELT. Expired - Lifetime ES2212760T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19915834 1999-04-08
DE19915834A DE19915834C1 (en) 1999-04-08 1999-04-08 Method and device for preventing belt slippage

Publications (1)

Publication Number Publication Date
ES2212760T3 true ES2212760T3 (en) 2004-08-01

Family

ID=7903879

Family Applications (1)

Application Number Title Priority Date Filing Date
ES00104204T Expired - Lifetime ES2212760T3 (en) 1999-04-08 2000-03-01 PROCEDURE AND DEVICE TO AVOID THE SLIDE OF A BELT.

Country Status (3)

Country Link
EP (1) EP1043499B1 (en)
DE (2) DE19915834C1 (en)
ES (1) ES2212760T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005035052B4 (en) * 2005-07-27 2017-01-12 Schaeffler Technologies AG & Co. KG Method for quickly restarting a deactivated internal combustion engine with a belt-driven starter generator
FR3013915B1 (en) * 2013-11-25 2015-12-18 Peugeot Citroen Automobiles Sa METHOD FOR CONTROLLING AN ELECTRIC MACHINE FOR RE-STARTING A MOTOR VEHICLE

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1073806B (en) * 1960-01-21 St. Georgen Hermann Papst (Schwarzw.) Clutch for gears of starting alternators for internal combustion engines
US2727410A (en) * 1954-11-19 1955-12-20 Wico Electric Co Motor-generator gearing
EP0136384A1 (en) * 1983-10-03 1985-04-10 Canadian Fram Limited Engine crankshaft pulley clutch

Also Published As

Publication number Publication date
EP1043499A1 (en) 2000-10-11
DE50004761D1 (en) 2004-01-29
DE19915834C1 (en) 2000-11-16
EP1043499B1 (en) 2003-12-17

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