CN101487500B - Central releasing unit - Google Patents

Central releasing unit Download PDF

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Publication number
CN101487500B
CN101487500B CN2008102421989A CN200810242198A CN101487500B CN 101487500 B CN101487500 B CN 101487500B CN 2008102421989 A CN2008102421989 A CN 2008102421989A CN 200810242198 A CN200810242198 A CN 200810242198A CN 101487500 B CN101487500 B CN 101487500B
Authority
CN
China
Prior art keywords
magnet
fixed
flange element
piston
unit
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 - Fee Related
Application number
CN2008102421989A
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Chinese (zh)
Other versions
CN101487500A (en
Inventor
M·基斯特勒
V·瓦格纳
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.)
Luke Asset Management Co ltd
Schaeffler Technologies AG and Co KG
Original Assignee
LuK Lamellen und Kupplungsbau 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 LuK Lamellen und Kupplungsbau GmbH filed Critical LuK Lamellen und Kupplungsbau GmbH
Publication of CN101487500A publication Critical patent/CN101487500A/en
Application granted granted Critical
Publication of CN101487500B publication Critical patent/CN101487500B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00Fluid-actuated clutches
    • F16D25/08Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
    • F16D25/082Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation
    • F16D25/083Actuators therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2300/00Special features for couplings or clutches
    • F16D2300/18Sensors; Details or arrangements thereof

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

The invention relates to a center separation device which is provide with a piston which can be relative to a shell to axially move. An inner lane for separating bearings is fixed on the piston. A flange element is connected with the inner lane, wherein a magnetic body is fixed on the flange element and a sensor element is fixed on the shell. According to the invention, the magnetic body is fixed on the flange element via a clamping and/or splicing way.

Description

Central authorities' segregating unit
Technical field
The present invention relates to a kind of central segregating unit and especially for confirming piston position or being used to detect the adjustment displacement of release bearing.
Background technique
DE 10242841 A1 disclose a kind of release bearing that is used for automobile clutch, have the electromagnetic probe that is used to measure the release bearing piston position, and it can measure the position of the piston of release bearing with respect to main body.
This release bearing comprises a columniform main body and a piston, and this piston can move axially and be bearing in this body interior.Additional on the end of this piston have a circle that belongs to a rolling bearing, and wherein, an elastic pressure element axially inserts between two supporting surfaces.A supporting surface is configured on the bead, and this bead is arranged on the circle of said rolling bearing.Release bearing has a contactless electromagnetic probe; It comprises that one is installed in magnet and on the said bead with respect to said body position target label fixing, that put relatively with this magnet, with confirm said piston with respect to said main body axially on the position.In addition, bead has a supporting arm, its extend radially outwardly and always in the end of its radially outer upper support said magnet.
This magnet constitutes with the mode of interlocking part, and supporting arm part is at least rabbeted part ground moulding around this.
Shortcoming in this respect is that the moulding of magnet in supporting arm is quite bothersome.
DE 202006014024 U1 have introduced a kind of similar solution.The document discloses a kind of central segregating unit that is used for the clutch control of hydraulic pressure, and it is inner and at the tubular sleeve that on the one of which end center is fixed on this housing to comprise that a housing with a cylindrical hole and one are arranged on this through hole with one heart.The annular piston that can be connected with the clutch effect can be directed on sleeve with moving axially, and the inner ring of a release bearing is fixed on the outer end of this annular piston.For measuring the axial position of annular piston, fixedly fixing sensor that is used to detect on this housing with respect to housing.
For sensor sets a magnet that can be directed to with moving axially, it is fixed on and is used on the inner ring axially seamlessly being connected through annular piston annular solid of servo-actuated when it moves axially with one.Magnet is that relative sensor is directed to the distance that on its shift motion, remains unchanged movably, and utilizes jockey axially not have the gap but can embed in the circumferential groove of annular solid with moving radially.Quite complicated on this solution structure.
Summary of the invention
The objective of the invention is to, develop a kind of central segregating unit, wherein, can under the situation of simple project organization, realize position of piston mensuration.
This purpose realizes through central segregating unit according to the present invention.
According to the present invention, a kind of central segregating unit is proposed, having a relative housing can axially movable piston; One inner ring of one release bearing is fixed on this piston; One flange element is connected with this inner ring, and wherein, a magnet is fixed on this flange element and a sensor element is fixed on this housing; Wherein, said magnet is through clamping and/or be adhesively fixed on the said flange element.
This central authorities' segregating unit has one can axially movable piston with respect to a housing; Fixing an inner ring of release bearing on the piston; Wherein, The flange element of a magnet of a fixing supporting on this inner ring, and on said housing, be fixed with the sensor element of an electromagnetic probe formula and according to the present invention, this magnet is through clamping and/or be adhesively fixed on this flange element.
Through clamping or bonding connection the between magnet and the flange element, flange element can be simple in structure with processing technique on advantageously constitute.
Flange element this preferably have one be positioned at radially outer, directed in the axial direction first, magnet is fixed on this first.
Additionally, can be provided with axially outward extending second on the flange element, this second face diameter is to outwards being connected with first face and being configured for the backstop or a supporting surface of magnet, magnet clamping and/or be bonded on this second.
Can use magnet, so that better precondition is provided for clamping or bonding with the plastics jacket.
Magnet or its plastic packets cover have one or more forming unit, and the forming unit of the correspondence of flange element (7) can fit in said one or more forming unit.
Conversion ground, flange element can have one or more forming unit, and the forming unit of the correspondence of the plastics jacket of magnet and/or magnet can fit in this one or more forming unit.
Magnet can adopt the mode of the matrix with square, rectangular or circular cross section to constitute.
If magnet carries out axial motion equally through the axial motion of piston, this magnet trigger signal in electromagnetic probe so, thus by sensor can recognition of piston the position maybe can realize (the adjustment displacement of piston or release bearing) displacement measurement.
Description of drawings
By embodiment and accompanying drawing the present invention is elaborated below.Wherein:
Fig. 1 illustrates the sectional arrangement drawing of central segregating unit 1;
Fig. 2 illustrates the magnet 8 that is provided with plastics jacket 8.1 fixed solution on the elongated area 7.3 radially in bead 7;
Fig. 3 illustrates the magnet 8 that is provided with plastics jacket 8.1 and is positioned at the fixed solution on the radially outer, axially extended regional 7.4 in one of bead 7.
Embodiment
Fig. 1 illustrates a sectional arrangement drawing of central segregating unit 1.Central authorities' segregating unit 1 has housing 2, and in this housing, an annular piston 3 can move axially between the guide sleeve 4 and a cylindrical pilot hole 2.1 that is bearing in housing 2.Known its inner ring 5.1 of release bearing 5 usefulness is fixed on the left part in the accompanying drawing of piston 3.Release bearing 5 has rotating outer ring 5.2 and has and is arranged on inner ring and outer ring 5.1, the ball between 5.2 5.3 and confirms that by a reloading spring 6 ground is by preload.
One bead 7 is fixed on the inner face of inner ring 5.1, on this bead, radially outer be provided with one be used for one have a magnet 8 of rectangular cross section fixed position B.Fixed position B has one that be positioned at radially outer and axially directed first 7.1, one and is connected on this first to outward extending second 7.2 towards said release bearing leading thread.Two faces 7.1 and 7.2 here are provided with each other with meeting at right angles.Said magnet is by being clamped on first 7.1.Second 7.2 as backstop.
Conversion or additionally, said magnet can with first and/or second 7.1,7.2 bonding.
Here be arranged on the housing 2 to the electromagnetic sensor that only schematically illustrates 9 fixed-site.Electromagnetic sensor 9 is in the top of magnet 8.Electromagnetic sensor 9 separates or bonding state or the adjustment displacement that is used to measure piston 3 or release bearing 5 combining to be used to detect with said magnet.
On the other end of piston 3, connect a pressure chamber 10, this pressure chamber seals with respect to surrounding environment.
Plastics 8.1 jacket magnets 8 can be used according to Fig. 2 in conversion ground, and wherein, plastics 8.1 have the depression 8.2 of chink type for example, and one of bead 7 zone 7.3 that extends radially outwardly fits in this depression in the B of fixed position.Here also can zone 7.3 is mutually bonding with the plastics jacket 8.1 of magnet 8.
According to Fig. 3, used the magnet 8 of plastics 8.1 jackets to have a directed in the axial direction depression 8.3, of bead 7 is positioned at radially outer, axially bend the zone 7.4 that fits into this depression.Here also can zone 7.4 additionally be bonded in the depression 8.2 of plastics jacket 8.1.
Working principle is following:
The outer ring 5.2 of release bearing 5 constitutes and is determined the functional element that is used for all the time with unshowned clutch engagement effect.Guarantee with required for this reason the contacting through reloading spring 6 between the said clutch outer ring 5.2.If piston 3 moves axially, therefore this piston causes the inner ring 5.1 of release bearing 5 and consistent the moving axially of flange element 7.The magnet 8 that is fixed on the bead 7 carries out axial motion equally.Cause that thus the variation of electromagnetic probe 9 internal magnetic fields also detects the motion of said piston and said release bearing thus.Signal is delivered to unshowned electrical assembly and is processed from electromagnetic probe 8, can confirm by piston 3 processes with axial distance directional correlation and the axial position of confirming this piston thus thus.
List of numerals
The face of axially going up orientation of 1 central segregating unit 7.1 beads 7
The face that the footpath of 2 housings, 7.2 beads 7 is upwards directed
2.1 extending radially outwardly of pilot hole 7.3 beads 7
3 piston area
The zone that axially the bending of 4 pilot sleeves, 7.4 beads 7
5 release bearings, 8 magnets
5.1 inner ring 8.1 plastics jackets
5.2 the depression in the 8.2 plastics jackets of outer ring
5.3 ball 9 electromagnetic sensors
6 reloading springs, 10 pressure chambers
7 beads

Claims (9)

1. central segregating unit (1); Having a relative housing (2) can axially movable piston (3), and an inner ring (5.1) of a release bearing (5) is fixed on this piston, and a flange element (7) is connected with this inner ring; Wherein, This flange element (7) that is fixed on one magnet (8) goes up and a sensor element (9) is fixed on this housing (2), it is characterized in that, said magnet is through clamping and/or be adhesively fixed on the said flange element (7).
2. by the described central segregating unit of claim 1, it is characterized in that said flange element (7) has one directed in the axial direction first (7.1), said magnet (8) is fixed on this first.
3. by the described central segregating unit of claim 1, it is characterized in that said flange element (7) has one directed in the axial direction first (7.1) and one outward extending in the axial direction second (7.2), said magnet is fixed on these faces.
4. by one of claim 1-3 described central segregating unit, it is characterized in that said magnet is used the plastics jacket.
5. by one of claim 1-3 described central segregating unit, it is characterized in that said magnet (8) has one or more forming unit, some forming units of the correspondence of said flange element (7) can fit in this one or more forming unit.
6. by the described central segregating unit of claim 4, it is characterized in that said plastic packets cover has one or more forming unit, some forming units of the correspondence of said flange element (7) can fit in this one or more forming unit.
7. by one of claim 1-3 described central segregating unit, it is characterized in that said flange element (7) has one or more forming units, some forming units of the correspondence of said magnet (8) can fit in these one or more forming units.
8. by the described central segregating unit of claim 4, it is characterized in that said flange element (7) has one or more forming units, some forming units of the correspondence of said plastics jacket can fit in these one or more forming units.
9. by the described central segregating unit of claim 1, it is characterized in that said magnet (8) constitutes with the form of body with square, rectangular or circular cross section.
CN2008102421989A 2007-12-03 2008-12-03 Central releasing unit Expired - Fee Related CN101487500B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007058016.0 2007-12-03
DE102007058016 2007-12-03

Publications (2)

Publication Number Publication Date
CN101487500A CN101487500A (en) 2009-07-22
CN101487500B true CN101487500B (en) 2012-11-14

Family

ID=40586084

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2008102421989A Expired - Fee Related CN101487500B (en) 2007-12-03 2008-12-03 Central releasing unit

Country Status (2)

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CN (1) CN101487500B (en)
DE (1) DE102008057643B4 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010021788A1 (en) * 2010-05-27 2011-12-01 Schaeffler Technologies Gmbh & Co. Kg clutch release bearing
DE102010021790A1 (en) * 2010-05-27 2011-12-01 Schaeffler Technologies Gmbh & Co. Kg clutch release bearing
WO2013017116A1 (en) * 2011-08-03 2013-02-07 Schaeffler Technologies AG & Co. KG Hydraulic cylinder, in particular for a clutch-operating device in a motor vehicle
CN104704255B (en) * 2012-08-16 2018-06-29 舍弗勒技术股份两合公司 For the separation equipment of hydraulically operated clutch
DE102012220322A1 (en) 2012-11-08 2014-05-08 Schaeffler Technologies Gmbh & Co. Kg Release system for clutch of motor vehicle, has piston axially displaced inside housing through pressure chamber pressurized with pressure medium and for actuating clutch
CN104180990B (en) * 2014-09-19 2017-11-17 集瑞联合重工有限公司 The release travel method of testing of clutch release bearing structure and clutch
FR3056270B1 (en) * 2016-09-21 2019-11-15 Valeo Embrayages HYDRAULIC CYLINDER RECEIVER EQUIPPED WITH POSITION SENSOR
DE102017112069A1 (en) * 2017-06-01 2018-12-06 Schaeffler Technologies AG & Co. KG Central release with housing insertable sensor, central release with piston and attached magnet and mounting method
DE102018101572B3 (en) * 2018-01-24 2019-04-04 Schaeffler Technologies AG & Co. KG Clutch release with movable relative to the piston magnet for detecting the position of the piston
DE102018104676B3 (en) * 2018-03-01 2019-06-27 Schaeffler Technologies AG & Co. KG Slave cylinder with transmitter connection in the piston; Actuating device and coupling system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10242841A1 (en) * 2001-09-20 2003-04-24 Valeo Embrayages Release bearing for a clutch with a magnetic encoder
DE202006014024U1 (en) * 2006-09-08 2006-11-09 Fte Automotive Gmbh Clutch release bearing for hydraulically operated unit, comprises magnetic element positioned tolerance free but radial movable inside groove

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19915832A1 (en) 1999-04-08 2000-07-06 Bayerische Motoren Werke Ag Vehicle with position transducer for power control element has Hall switch with magnet integrated into transducer cylinder and pick-up part for mounting on housing of transducer cylinder
EP1961985B1 (en) 2007-02-23 2011-09-14 Schaeffler Technologies AG & Co. KG Slave cylinder with position sensor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10242841A1 (en) * 2001-09-20 2003-04-24 Valeo Embrayages Release bearing for a clutch with a magnetic encoder
DE202006014024U1 (en) * 2006-09-08 2006-11-09 Fte Automotive Gmbh Clutch release bearing for hydraulically operated unit, comprises magnetic element positioned tolerance free but radial movable inside groove

Also Published As

Publication number Publication date
DE102008057643B4 (en) 2018-07-26
DE102008057643A1 (en) 2009-06-04
CN101487500A (en) 2009-07-22

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Legal Events

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: LUK VERMOEGENSVERWALTUNGSGESELLSCHAFT MBH

Free format text: FORMER OWNER: LUK LAMELLEN UND KUPPLUNGSBAU GMBH

Effective date: 20130619

Owner name: SCHAEFFLER TECHNOLOGY GMBH + CO. KG

Free format text: FORMER OWNER: LUK VERMOEGENSVERWALTUNGSGESELLSCHAFT MBH

Effective date: 20130619

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20130619

Address after: German Herzogenaurach

Patentee after: SCHAEFFLER TECHNOLOGIES AG & CO. KG

Address before: German Boer

Patentee before: Luke Asset Management Co.,Ltd.

Effective date of registration: 20130619

Address after: German Boer

Patentee after: Luke Asset Management Co.,Ltd.

Address before: German Boer

Patentee before: LUK LAMELLEN UND KUPPLUNGSBAU BETEILIGUNGS KG

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121114