EP1268075B1 - Centrifugeuse a jet libre avec moyens de surveillance, et procede de surveillance de cette centrifugeuse - Google Patents

Centrifugeuse a jet libre avec moyens de surveillance, et procede de surveillance de cette centrifugeuse Download PDF

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Publication number
EP1268075B1
EP1268075B1 EP01938031A EP01938031A EP1268075B1 EP 1268075 B1 EP1268075 B1 EP 1268075B1 EP 01938031 A EP01938031 A EP 01938031A EP 01938031 A EP01938031 A EP 01938031A EP 1268075 B1 EP1268075 B1 EP 1268075B1
Authority
EP
European Patent Office
Prior art keywords
centrifuge
rotor
monitoring
sensor
free jet
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
EP01938031A
Other languages
German (de)
English (en)
Other versions
EP1268075A1 (fr
Inventor
Helmuth Fischer
Hans-Joachim Esch
Peter Frehland
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.)
Mann and Hummel GmbH
Original Assignee
Mann and Hummel GmbH
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 Mann and Hummel GmbH filed Critical Mann and Hummel GmbH
Publication of EP1268075A1 publication Critical patent/EP1268075A1/fr
Application granted granted Critical
Publication of EP1268075B1 publication Critical patent/EP1268075B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B13/00—Control arrangements specially designed for centrifuges; Programme control of centrifuges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B11/00—Feeding, charging, or discharging bowls
    • B04B11/04—Periodical feeding or discharging; Control arrangements therefor
    • B04B11/043—Load indication with or without control arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B5/00—Other centrifuges
    • B04B5/005—Centrifugal separators or filters for fluid circulation systems, e.g. for lubricant oil circulation systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B7/00—Elements of centrifuges
    • B04B7/02—Casings; Lids
    • B04B7/06—Safety devices ; Regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
    • B04B9/06—Fluid drive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/10—Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00—Crankcase ventilating or breathing
    • F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • F01M2013/0422—Separating oil and gas with a centrifuge device

Definitions

  • the invention relates to a method for monitoring a system with a Free jet centrifuge and a free jet centrifuge with monitoring devices.
  • FIG Document a centrifuge rotor, which is mounted on an axis and axial play having.
  • the nozzles 48 are oriented obliquely downwards, so that through the operation the centrifuge creates an axial force component that opposes the rotor Weight force against one attached to the upper axial stop for the rotor Contact ring presses. A malfunction is indicated if the rotor Operating leaves the contact ring.
  • control device described is not suitable if the centrifuge rotor, as is axially fixed in the housing in WO 99/54 051 (see FIG. 2).
  • This design enables the use of ball bearings, which lead to a low rotational resistance of the rotor and a reduction in the leakage current leads to the camps.
  • such a centrifuge design must also be dependent be monitored by the application.
  • the object of the invention is therefore, methods and devices for monitoring the function of a free jet centrifuge to create which reliably malfunctions the centrifuge. This object is solved by claims 1 and 6.
  • the method according to the invention is suitable for monitoring a system which is definitely a free jet centrifuge and the liquid to be centrifuged contains.
  • the system can also contain other components.
  • Such an application arises, for. B. in the automotive field for cleaning the lubricating oil.
  • Monitoring can be done independently an axial force is applied to the rotor of the centrifuge along its axis of rotation acts. This has the advantage that the monitoring is independent of the interaction of the components generating the axial force. malfunction can be determined without the mechanical properties of the Centrifuge such as bearing wear or nozzle wear as well as the course of the pressure of the liquid to be centrifuged must be observed. In particular, the Determination does not depend on the operation of the centrifuge, because of the nozzles generated axial force component is not necessary. About the filling level of the centrifuge and thus their weight can, for. B. during the standstill of the centrifuge a statement can be made, causing disturbances that falsify the result could be largely excluded. The monitoring signal can be passed on to corresponding output devices, the malfunctions Show. This can in the automotive field, for. B. Control lights on the dashboard his. But it is also the evaluation of the measurement signals by the engine electronics conceivable.
  • the monitoring continues through a pressure sensor that outputs a signal depending on the one acting on the rotor Axial force generated.
  • a piezoelectric sensor can be used here become.
  • the measurement of the axial force is not dependent on the invention from the axial force generated by the nozzles.
  • the Axial force can be determined during standstill of the centrifuge, whereby Advantages are achieved.
  • it can also be used during operation a measurement is made of the centrifuge, an axial force component of the Nozzles must be observed if they are inclined.
  • it is also a purely horizontal effect of the nozzles is conceivable. This has the advantage that the Propulsion of the nozzles can only be used to drive the centrifuge, whereby higher speeds can be achieved.
  • the pressure of the centrifuge to be centrifuged can continue Fluids are determined. This can e.g. B. done by sensors that are in anyway System, e.g. B. the internal combustion engine are provided. These values are anyway evaluated by the motor electronics and can be directly connected to the centrifuge determined measured values are supplemented. Additional sensors can also be used in the system to make the most accurate statements about the condition the centrifuge.
  • a speed sensor in particular an optoelectric sensor
  • An alternative embodiment of the sensor would be, for. B. a tachometer generator.
  • the speed of the rotor can be determined. This measurement signal can be evaluated as such, whereby z. B. can be monitored whether the centrifuge reaches its nominal speed.
  • additional statements are possible. For example, using one Time recording the startup behavior of the centrifuge can be determined. About the The structure of the filter cake in the rotor can be started up indirectly monitor as the increasing inertia of the rotor lengthens the Run-up time leads.
  • the time required for the centrifuge at one Changes between certain characteristic operating states can be determined. For this, additional sensors are necessary, which the achievement or the Show leaving characteristic operating states.
  • the free jet centrifuge in an internal combustion engine can, for. B. signals about the Load state of the engine, its oil requirement or the delivery rate of the oil pump in the Pay attention to the lubricating oil circuit.
  • the viscosity of the liquid is also a criterion for the function of the centrifuge to consider.
  • the influence of viscosity on the startup behavior of the centrifuge can be considered in this way.
  • a free jet centrifuge which is suitable for carrying out the described method is claimed according to claim 6.
  • the centrifuge rotor is at least axially fixed a direction, the axial fixing of the rotor for a pressure sensor is used, the axial force of the rotor in the direction of the axial Determination can determine.
  • the measured value determined in this way can be described in the Process wisely.
  • the rotor in the housing is in stored in the axial direction without play.
  • Figure 1 The system described here can be a variant of a monitoring device the function of the centrifuge is also independent of that acting on the rotor Determine the direction of the axial force.
  • the generation of a continuous Measurement signal possible possible, as this is not different from that caused by the inclination of the Noise generated axial force component is dependent but this axial component only have to consider if it arises.
  • the signal is also continuous regarding the measured value. It can thus z. B. the structure of the Filtercakes are tracked, making z. B. a conclusion on oil change intervals is possible.
  • the centrifuge rotor is supported by a ball bearing in the housing. This can withstand the axial forces of the Take up the rotor and pass it on to the pressure sensor. In addition, thereby reducing the friction, whereby higher speeds can be achieved.
  • a speed sensor is on the free jet centrifuge for monitoring appropriate. This is integrated at a suitable point in the housing.
  • Tachometer generator should e.g. B. be provided at one of the bearing points of the rotor, for a fixation in the housing on the one hand and a connection on the other with the rotating rotor.
  • the measurement signal of the speed sensor can be processed in the manner already described.
  • a free jet centrifuge is shown schematically as z. B. for Cleaning lubricating oil of an internal combustion engine is used. The flow direction the fluid is indicated by arrows.
  • the free jet centrifuge 10 has Housing 11, which is equipped with an inlet 12 and an outlet 13 is. The housing does not have to be designed separately. It can be the rotor of the free jet centrifuge just as well built into other structures of the internal combustion engine be such. B. the oil pan.
  • a rotor 14 of the centrifuge is with a central tube 15 stored in a plain bearing 16. The center tube also represents the rotor inlet 17 through which the oil enters the rotor. Drive nozzles 18 serve the Oil as a rotor outlet.
  • This is fixed to the rotor with its outer ring.
  • the inner ring of the Ball bearing 20 is provided with an intermediate piece 21, which with a piezoelectric sensor 22 is connected. This sensor is supported in the housing 11 from. This allows the sensor to absorb the axial force caused by the rotor and sends the corresponding axial force signal f to evaluation electronics 23.
  • An optoelectric sensor 24 is also provided in the housing. This can Generate a speed signal n via a marking 25 on the rotor. This will processed together with a temperature signal t in the evaluation electronics 23.
  • the Temperature signal t comes from a temperature sensor 26 for determining the Oil temperature, which is attached to the inlet 12.
  • the evaluation electronics enters Control signal s off, which can be used to output an error.
  • FIG 2 is the integration of the free jet centrifuge 10 in a lubricating oil circuit 27 of an internal combustion engine 28 is shown.
  • the signals f, t already described run together with a pressure signal p of the lubricating oil, a time signal z and further motor parameters a, b together in a motor control 29.
  • Both Engine parameters can be the speed of the internal combustion engine Air consumption of the internal combustion engine, the speed or delivery rate of the oil pump of the lubricating oil circuit or other parameters.
  • the signals are in the engine control 29 processes it and sends it as a control signal s to the dashboard 30 passed.
  • a pump 31, which is provided in the lubricating oil circuit 27, ensures sufficient supply of the lubrication points (not shown).
  • the Free jet centrifuge 10 is arranged in the bypass flow to an oil filter 32. About one Control valve 33 can regulate the oil supply to the free jet centrifuge.
  • the various measurement signals can be stored as a map in the engine control 29 become. This is the assessment of the proper functioning of the free jet centrifuge possible.
  • relationships between individual measurement signals stored in the control As an example, the relationship between Call up ramp-up time and loading. This creates a certain relationship between z and f.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Centrifugal Separators (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (10)

  1. Procédé de contrôle d'un système, contenant une centrifugeuse à jet libre (10), comportant un rotor (14) qui est muni au moins d'une buse d'entraínement (18), et un fluide à centrifuger, en particulier d'une centrifugeuse à huile dans le circuit d'huile de graissage d'un moteur à combustion interne, selon lequel on peut effectuer une surveillance indépendamment d'une force axiale agissant dans la direction d'un axe de rotation du rotor et produite par au moins une buse d'entraínement (18), la surveillance consistant à traiter le signal d'un capteur de vitesse, en particulier d'un capteur optoélectrique (24), permettant de déterminer la vitesse du rotor,
    caractérisé en ce que
    pour la surveillance une mesure de temps est également effectuée, de façon à détecter le comportement à haut régime de la centrifugeuse.
  2. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la mesure de temps détermine le temps nécessaire à la centrifugeuse en cas de changement de celle-ci entre deux états de fonctionnement caractéristiques, les états de fonctionnement caractéristiques étant déterminés par d'autres capteurs.
  3. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    de plus, pour la surveillance, on traite le signal d'un capteur de pression, en particulier d'un capteur piézoélectrique (22), permettant de déterminer la force axiale agissant sur le rotor (14) indépendamment de l'état de fonctionnement de la centrifugeuse.
  4. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    pour la surveillance de la centrifugeuse, on utilise au moins un capteur qui assume au moins une autre fonction en dehors du système à surveiller.
  5. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    les valeurs mesurées déterminées sont utilisées, en plus, pour la surveillance de la viscosité du fluide à centrifuger.
  6. Centrifugeuse à jet libre (10) comprenant un rotor (14) muni au moins d'une buse d'entraínement (18) et un boítier (11) dans lequel le rotor est logé de manière rotative et fixé axialement au moins dans une direction, et un capteur de vitesse, en particulier un capteur optoélectrique (24), prévu dans le boítier pour la détermination de la vitesse du rotor,
    caractérisée en ce que
    pour l'exploitation on combine la vitesse avec un signal de temps pour l'évaluation.
  7. Centrifugeuse à jet libre selon la revendication 6,
    caractérisée en ce que
    dans la fixation axiale du rotor, un capteur de pression, en particulier un capteur piézoélectrique (22), est monté de façon à subir la force axiale du rotor.
  8. Centrifugeuse à jet libre selon la revendication 7,
    caractérisée en ce que
    le rotor (14) est logé sans jeu dans le boítier (11) dans la direction axiale.
  9. Centrifugeuse à jet libre selon l'une quelconque des revendications 7 ou 8,
    caractérisée en ce que
    le rotor de la centrifugeuse est logé dans le boítier au moyen d'un roulement à billes.
  10. Centrifugeuse à jet libre selon l'une quelconque des revendications 6 à 10,
    caractérisée en ce que
    tous les capteurs nécessaires au contrôle sont connectés à une électronique d'exploitation (23).
EP01938031A 2000-04-05 2001-03-22 Centrifugeuse a jet libre avec moyens de surveillance, et procede de surveillance de cette centrifugeuse Expired - Lifetime EP1268075B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10016876A DE10016876A1 (de) 2000-04-05 2000-04-05 Freistrahlzentrifuge mit Überwachungsmittel und Verfahren zu deren Überwachung
DE10016876 2000-04-05
PCT/EP2001/003293 WO2001076760A1 (fr) 2000-04-05 2001-03-22 Centrifugeuse a jet libre avec moyens de surveillance, et procede de surveillance de cette centrifugeuse

Publications (2)

Publication Number Publication Date
EP1268075A1 EP1268075A1 (fr) 2003-01-02
EP1268075B1 true EP1268075B1 (fr) 2004-11-24

Family

ID=7637637

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01938031A Expired - Lifetime EP1268075B1 (fr) 2000-04-05 2001-03-22 Centrifugeuse a jet libre avec moyens de surveillance, et procede de surveillance de cette centrifugeuse

Country Status (5)

Country Link
US (1) US20030078152A1 (fr)
EP (1) EP1268075B1 (fr)
AT (1) ATE283114T1 (fr)
DE (2) DE10016876A1 (fr)
WO (1) WO2001076760A1 (fr)

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GB2418988B (en) * 2004-10-06 2008-09-17 Ford Global Tech Llc A soot management system for an engine
SE528701C2 (sv) * 2005-06-08 2007-01-30 Alfa Laval Corp Ab Centrifugalseparator för rening av en gas
DE102012014474A1 (de) * 2012-07-21 2014-01-23 Daimler Ag Zentrifugalabscheidervorrichtung eines Kraftfahrzeugs, die zumindest einen Teller- und/oder Plattenseparator aufweist
CN103639072B (zh) * 2013-12-04 2015-05-27 浙江福隆汽车零部件有限公司 一种多功能离心洁油机
KR101470837B1 (ko) * 2014-04-08 2014-12-10 신흥정공(주) 수분배출구조를 갖는 원심분리기 및 이를 이용한 퓨리파이어 시스템
DE112015006428T5 (de) * 2015-04-08 2017-12-21 Mann + Hummel Gmbh Zentrifugalseparator
GB201519346D0 (en) * 2015-11-02 2015-12-16 Pacy Teresa J H Separator
PL3290093T3 (pl) 2016-09-06 2022-07-04 Alfa Laval Corporate Ab Metoda oczyszczania oleju napędowego do silnika wysokoprężnego
WO2018148678A1 (fr) * 2017-02-13 2018-08-16 Woodway Usa, Inc. Indicateur de rotation de centrifugeuse à filtre à huile
DE102017211979A1 (de) * 2017-07-13 2019-01-17 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Überwachen einer Kurbelgehäuseentlüftungseinrichtung
CN109854335A (zh) * 2019-03-26 2019-06-07 广西华原过滤系统股份有限公司 一种具有转速监测功能的新型机油转子滤清器及方法
EP3983659B1 (fr) * 2019-06-12 2022-11-30 Innio Jenbacher GmbH & Co OG Moteur à combustion interne
DE102019131509A1 (de) * 2019-11-21 2021-05-27 Gea Mechanical Equipment Gmbh Düsenüberwachungsvorrichtung für eine Düsenzentrifuge, Düsenzentrifuge, und Verfahren zum Überwachen von Düsen einer Düsenzentrifuge
CN114733655B (zh) * 2022-06-13 2022-08-19 江苏省计量科学研究院(江苏省能源计量数据中心) 一种离心式血液成分分离机检测装置及检测方法

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Also Published As

Publication number Publication date
EP1268075A1 (fr) 2003-01-02
WO2001076760A1 (fr) 2001-10-18
ATE283114T1 (de) 2004-12-15
DE50104606D1 (de) 2004-12-30
DE10016876A1 (de) 2001-10-18
US20030078152A1 (en) 2003-04-24

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