DE102010040531A1 - Freewheel device in a starting device for internal combustion engines - Google Patents
Freewheel device in a starting device for internal combustion engines Download PDFInfo
- Publication number
- DE102010040531A1 DE102010040531A1 DE102010040531A DE102010040531A DE102010040531A1 DE 102010040531 A1 DE102010040531 A1 DE 102010040531A1 DE 102010040531 A DE102010040531 A DE 102010040531A DE 102010040531 A DE102010040531 A DE 102010040531A DE 102010040531 A1 DE102010040531 A1 DE 102010040531A1
- Authority
- DE
- Germany
- Prior art keywords
- freewheel device
- carrier
- transmission
- driver
- drive plate
- 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.)
- Withdrawn
Links
Images
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
- F02N15/022—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch
-
- 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
- F02N15/04—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
- F02N15/043—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the gearing including a speed reducer
-
- 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
- F02N15/04—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
- F02N15/06—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement
- F02N15/062—Starter drives
-
- 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
- F02N15/022—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch
- F02N15/023—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch of the overrunning 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
- 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
- F02N15/022—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch
- F02N15/025—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch of the 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
- 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
- F02N15/022—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch
- F02N15/026—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch of the centrifugal 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
- 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
- F02N15/04—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
- F02N15/043—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the gearing including a speed reducer
- F02N15/046—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the gearing including a speed reducer of the planetary type
Abstract
Eine Freilaufeinrichtung in einer Startvorrichtung für Brennkraftmaschinen weist einen Mitnehmer auf, der über ein Getriebe mit einer Ankerwelle sowie mit einer Abtriebswelle verbunden ist, welche Träger eines Starterritzels ist. Ein Abschnitt des Mitnehmers bildet einen Getriebeträger, der von einer Mitnehmerscheibe, welche mit der Abtriebswelle verbunden ist, separat ausgebildet ist.A freewheel device in a starting device for internal combustion engines has a driver which is connected via a gearbox to an armature shaft and to an output shaft which is the carrier of a starter pinion. A section of the driver forms a gear carrier, which is formed separately from a driver disk which is connected to the output shaft.
Description
Die Erfindung bezieht sich auf eine Freilaufeinrichtung in einer Startvorrichtung für Brennkraftmaschinen nach dem Oberbegriff des Anspruches 1.The invention relates to a freewheel device in a starting device for internal combustion engines according to the preamble of claim 1.
Stand der TechnikState of the art
In der
Die Lagerung der Planetenräder auf dem Mitnehmer erfolgt über Achsbolzen, die über Bohrungen im Mitnehmer aufgenommen sind. Die Achsbolzen werden in die Bohrungen eingepresst, was eine genaue Form der Bohrung und eine enge Durchmessertoleranz erfordert. Der Mitnehmer muss eine ausreichend hohe Festigkeit für die Aufnahme der Achsbolzen bzw. die im Betrieb auftretenden Kräfte und Momente aufweisen.The bearing of the planet gears on the driver via axle bolts, which are received in the driver via holes. The axle bolts are pressed into the holes, which requires an accurate shape of the hole and a tight diameter tolerance. The driver must have a sufficiently high strength for the inclusion of the axle and the forces and moments occurring during operation.
Offenbarung der ErfindungDisclosure of the invention
Der Erfindung liegt die Aufgabe zu Grunde, eine Freilaufeinrichtung in einer Startvorrichtung mit einfachen konstruktiven Maßnahmen stabil auszubilden.The invention is based on the object to form a freewheel device in a starting device with simple design measures stable.
Diese Aufgabe wird erfindungsgemäß mit den Merkmalen des Anspruches 1 gelöst. Die Unteransprüche geben zweckmäßige Weiterbildungen an.This object is achieved with the features of claim 1. The dependent claims indicate expedient developments.
Die erfindungsgemäße Freilaufeinrichtung wird in Startvorrichtungen für Brennkraftmaschinen eingesetzt, über die die Brennkraftmaschine in einem Fahrzeug gestartet wird. Die Startvorrichtung weist hierfür einen elektrischen Antriebsmotor auf, der eine Ankerwelle antreibt, welche über ein Getriebe mit einer Abtriebswelle verbunden ist, auf der ein Starterritzel aufsitzt. Das Starterritzel wird zum Starten in Eingriff mit einem Zahnkranz an der Brennkraftmaschine gebracht.The freewheel device according to the invention is used in starting devices for internal combustion engines, via which the internal combustion engine is started in a vehicle. The starting device has for this purpose an electric drive motor which drives an armature shaft, which is connected via a transmission with an output shaft on which a starter pinion is seated. The starter pinion is brought to start in engagement with a ring gear on the internal combustion engine.
Ein Abschnitt des Mitnehmers bildet einen Getriebeträger des Getriebes zwischen der Ankerwelle und der Abtriebswelle. Erfindungsgemäß ist vorgesehen, dass eine mit der Abtriebswelle verbundene Mitnehmerscheibe und der Getriebeträger, welche beide Bestandteil des Mitnehmers sind, separate Bauteile bilden, die momentenübertragend gekoppelt sind. Der Mitnehmer umfasst somit zumindest zwei separate, unabhängig voneinander ausgebildete Bauteile, die in einer geeigneten Weise miteinander verbunden sind, um die Drehbewegung, welche von der Ankerwelle ausgeht, über das Getriebe und die beiden unmittelbar axial aneinander liegenden Bauteile des Mitnehmers auf die Abtriebswelle zu übertragen. Die Ausführung als unabhängig voneinander ausgeführte Bauteile hat den Vorteil, dass jedes Bauteil, also sowohl der Getriebeträger als auch die Mitnehmerscheibe, in bestmöglicher Weise an den jeweiligen Einsatzzweck angepasst werden können, und zwar sowohl im Hinblick auf die konstruktive Gestalt als auch die Materialwahl. Über die momentenübertragende Kopplung ist sichergestellt, dass die Drehbewegung auf die Abtriebswelle und das Starterritzel übertragen wird.A portion of the driver forms a transmission carrier of the transmission between the armature shaft and the output shaft. According to the invention, it is provided that a driving disk connected to the output shaft and the gear carrier, which are both part of the driver, form separate components which are coupled torque-transmitting. The driver thus comprises at least two separate, independently formed components, which are interconnected in a suitable manner to transmit the rotational movement, which emanates from the armature shaft, via the transmission and the two immediately axially adjacent components of the driver to the output shaft , The design as independently executed components has the advantage that each component, so both the gear carrier and the drive plate, can be adapted in the best possible manner to the particular application, both in terms of the structural design and the choice of material. The moment-transmitting coupling ensures that the rotary motion is transmitted to the output shaft and the starter pinion.
Gemäß bevorzugter Ausführung bestehen der Getriebeträger und die Mitnehmerscheibe aus unterschiedlichen Materialien, um zum einen den Erfordernissen nach ausreichender Festigkeit Rechnung zu tragen und zum andern eine kostengünstige Herstellung und ggf. auch Montage zu ermöglichen. Die Festigkeit jedes Bauteils kann, ebenso wie die Geometrie, an das jeweilige Erfordernis angepasst werden. So ist es beispielsweise vorteilhaft, die Mitnehmerscheibe aus einem hochfesten Material zu fertigen, beispielsweise aus einem Sinterstahl oder aus einem Metall, insbesondere einem Stahl, welcher ggf. im Strangpressverfahren bearbeitet werden kann. Dadurch ist gewährleistet, dass die Mitnehmerscheibe, welche sich üblicherweise über Walzen oder Rollen radial an einem Abschnitt der Abtriebswelle abstützt und ein Moment auf die Abtriebswelle überträgt, mit keilförmigen Ausnehmungen bzw. Keilbahnen ausreichender Festigkeit versehen werden kann, in denen die Rollen bzw. Walzen verstellbar aufgenommen sind.According to a preferred embodiment, the gear carrier and the drive plate made of different materials, on the one hand to meet the requirements for sufficient strength and on the other hand to allow a cost-effective production and possibly also assembly. The strength of each component, as well as the geometry, can be adapted to the respective requirement. Thus, it is advantageous, for example, to manufacture the drive plate from a high-strength material, for example from a sintered steel or from a metal, in particular a steel, which can optionally be processed by the extrusion process. This ensures that the drive plate, which is usually supported radially on rollers or rollers on a portion of the output shaft and transmits a torque to the output shaft, can be provided with wedge-shaped recesses or keyways sufficient strength in which the rollers or rollers adjustable are included.
Der Getriebeträger kann dagegen aus einem weniger hochfesten Material bestehen, für das Sintermaterial, Kunststoff oder ggf. auch Metall in Frage kommt.The gear carrier, however, may consist of a less high-strength material, for the sintered material, plastic or possibly also metal comes into question.
Ein weiterer Vorteil der zweigeteilten Ausführung des Mitnehmers liegt darin, dass die Mitnehmerscheibe sowohl für rechts laufende als auch für links laufende Freiläufe ohne Änderung der Geometrie eingesetzt werden kann. Durch eine um 180° verkehrte Einbaulage kann die Freilaufrichtung umgekehrt werden.Another advantage of the two-part design of the driver is that the drive plate for both right-running and left-running freewheels without changing the geometry can be used. By a wrong 180 ° mounting position, the freewheeling direction can be reversed.
Gemäß einer weiteren zweckmäßigen Ausführung ist vorgesehen, dass der Getriebeträger und die Mitnehmerscheibe drehfest miteinander verbunden sind. Grundsätzlich genügt aber auch eine Kopplung zwischen diesen Bauteilen mit Spiel bzw. einer Torsionsfedermöglichkeit, um das Moment, welches für den Antrieb des Starterritzels erforderlich ist, zu übertragen. Die Verbindung zwischen Getriebeträger und Mitnehmerscheibe erfolgt beispielsweise durch Pressung oder Verzahnung.According to a further advantageous embodiment, it is provided that the gear carrier and the drive plate are rotatably connected to each other. In principle, however, a coupling between these components with play or a Torsionsfedermöglichkeit sufficient to transmit the torque which is required for the drive of the starter pinion. The connection between the gear carrier and drive plate is done for example by pressing or toothing.
Gemäß einer weiteren vorteilhaften Ausführung ist das Getriebe als ein Planetengetriebe ausgebildet, welches ein Sonnenrad umfasst, das drehfest mit der Ankerwelle verbunden ist, sowie Planetenräder auf einem Planetenträger, wobei die Planetenräder mit dem Sonnenrad kämmen. Der Planetenträger wird von dem Getriebeträger des Mitnehmers gebildet. Die Planetenräder sind über Achsbolzen in Bohrungen im Planetenträger aufgenommen. Die Bohrungen können den Planetenträger vollständig durchdringen, wobei der Planetenträger vorzugsweise eine ausreichende Dicke aufweist, um zum einen eine sichere Lagerung der Planetenräder über die Achsbolzen zu gewährleisten und zum andern eine ausreichende Festigkeit zur Aufnahme der entstehenden Kräfte und Momente sicherzustellen. Die Achsbolzen können in die Bohrungen eingepresst werden, was für eine sicher Verbindung von Achsbolzen und Planetenträger eine enge Durchmessertoleranz erfordert. Bei einer Fertigung des Planetenträgers aus Kunststoff, Sinterstahl oder einem geeigneten Metall kann das Einpressen der Achsbolzen in die Bohrungen ohne die Gefahr eines Verziehens des Planetenträgers durchgeführt werden. Die Ausführung als durchgehende Bohrung erlaubt außerdem ein einfacheres Einführen der Achsbolzen.According to a further advantageous embodiment, the transmission is designed as a planetary gear, which includes a sun gear which is rotatably connected to the armature shaft, and planetary gears on a planet carrier, wherein the planetary gears mesh with the sun gear. The planet carrier is formed by the transmission carrier of the driver. The planet gears are received via axle bolts in holes in the planet carrier. The holes can completely penetrate the planet carrier, wherein the planet carrier preferably has a thickness sufficient to ensure a secure bearing of the planetary gears on the axle and on the other to ensure sufficient strength to absorb the forces and moments. The axle bolts can be pressed into the holes, which requires a tight diameter tolerance for a safe connection of the axle pin and planet carrier. In a production of the planet carrier made of plastic, sintered steel or a suitable metal, the pressing of the axle can be performed in the holes without the risk of warping the planet carrier. The design as a through hole also allows easier insertion of the axle.
Weitere Vorteile und zweckmäßige Ausführungen sind den weiteren Ansprüchen, der Figurenbeschreibung und den Zeichnungen zu entnehmen. Es zeigen:Further advantages and expedient embodiments can be taken from the further claims, the description of the figures and the drawings. Show it:
In den Figuren sind gleiche Bauteile mit gleichen Bezugszeichen versehen.In the figures, the same components are provided with the same reference numerals.
In
Die Freilaufeinrichtung
Der Mitnehmer
Beim Einspurvorgang wird der Mitnehmer
Der Planetenträger
Der Mitnehmer
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 19616666 A1 [0002] DE 19616666 A1 [0002]
Claims (14)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010040531A DE102010040531A1 (en) | 2010-09-09 | 2010-09-09 | Freewheel device in a starting device for internal combustion engines |
EP11178038.3A EP2428674B1 (en) | 2010-09-09 | 2011-08-19 | Freewheel device in a start device for combustion engines |
HUE11178038A HUE050649T2 (en) | 2010-09-09 | 2011-08-19 | Freewheel device in a start device for combustion engines |
CN201110348830.XA CN102536579B (en) | 2010-09-09 | 2011-09-07 | Free wheel device provided in ignitor of IC engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010040531A DE102010040531A1 (en) | 2010-09-09 | 2010-09-09 | Freewheel device in a starting device for internal combustion engines |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102010040531A1 true DE102010040531A1 (en) | 2012-03-15 |
Family
ID=44773968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102010040531A Withdrawn DE102010040531A1 (en) | 2010-09-09 | 2010-09-09 | Freewheel device in a starting device for internal combustion engines |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2428674B1 (en) |
CN (1) | CN102536579B (en) |
DE (1) | DE102010040531A1 (en) |
HU (1) | HUE050649T2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012216143B4 (en) * | 2012-09-12 | 2021-03-18 | Seg Automotive Germany Gmbh | Starting device for an internal combustion engine |
DE102013020327B4 (en) * | 2013-12-05 | 2022-05-25 | Borgwarner Inc. | Starter freewheel and freewheel arrangement with such a starter freewheel |
DE102019114455A1 (en) * | 2019-05-29 | 2020-12-03 | Seg Automotive Germany Gmbh | Freewheel device for a starter and starter for an internal combustion engine |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5311786A (en) * | 1992-05-29 | 1994-05-17 | Mitsubishi Denki Kabushiki Kaisha | Coaxial starter motor |
DE19616666A1 (en) | 1996-04-26 | 1997-11-06 | Bosch Gmbh Robert | Freewheel device for starting devices for internal combustion engines |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4638684A (en) * | 1983-10-24 | 1987-01-27 | Luk Lamellen Und Kupplungsbau Gmbh | Assembly for taking up and compensating for torque-induced shocks |
JPH0320141A (en) * | 1989-06-14 | 1991-01-29 | Mitsubishi Electric Corp | Planetary reduction gear |
JP3555245B2 (en) * | 1995-06-01 | 2004-08-18 | 株式会社デンソー | Starter |
JP4174820B2 (en) * | 2003-03-11 | 2008-11-05 | 株式会社デンソー | Starter |
EP2017497A1 (en) * | 2007-06-20 | 2009-01-21 | Ford Global Technologies, LLC | Method for starting a combustion engine equipped with a split flywheel and combustion engine for performing such a method |
JP2009191938A (en) * | 2008-02-14 | 2009-08-27 | Denso Corp | Starter |
DE102010028415B4 (en) * | 2010-04-30 | 2020-02-13 | Seg Automotive Germany Gmbh | Freewheel with integrated damping |
-
2010
- 2010-09-09 DE DE102010040531A patent/DE102010040531A1/en not_active Withdrawn
-
2011
- 2011-08-19 EP EP11178038.3A patent/EP2428674B1/en not_active Not-in-force
- 2011-08-19 HU HUE11178038A patent/HUE050649T2/en unknown
- 2011-09-07 CN CN201110348830.XA patent/CN102536579B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5311786A (en) * | 1992-05-29 | 1994-05-17 | Mitsubishi Denki Kabushiki Kaisha | Coaxial starter motor |
DE19616666A1 (en) | 1996-04-26 | 1997-11-06 | Bosch Gmbh Robert | Freewheel device for starting devices for internal combustion engines |
Also Published As
Publication number | Publication date |
---|---|
EP2428674B1 (en) | 2020-06-24 |
CN102536579B (en) | 2016-05-11 |
EP2428674A1 (en) | 2012-03-14 |
CN102536579A (en) | 2012-07-04 |
HUE050649T2 (en) | 2020-12-28 |
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Legal Events
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R163 | Identified publications notified | ||
R012 | Request for examination validly filed | ||
R081 | Change of applicant/patentee |
Owner name: SEG AUTOMOTIVE GERMANY GMBH, DE Free format text: FORMER OWNER: ROBERT BOSCH GMBH, 70469 STUTTGART, DE |
|
R082 | Change of representative |
Representative=s name: DEHNSGERMANY PARTNERSCHAFT VON PATENTANWAELTEN, DE |
|
R120 | Application withdrawn or ip right abandoned |