IT1241148B - Differenziale - Google Patents
DifferenzialeInfo
- Publication number
- IT1241148B IT1241148B IT20343A IT2034390A IT1241148B IT 1241148 B IT1241148 B IT 1241148B IT 20343 A IT20343 A IT 20343A IT 2034390 A IT2034390 A IT 2034390A IT 1241148 B IT1241148 B IT 1241148B
- Authority
- IT
- Italy
- Prior art keywords
- differential
- Prior art date
Links
Classifications
-
- 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
- F16H48/00—Differential gearings
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
- F16H48/30—Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/22—Friction clutches with axially-movable clutching members
- F16D13/38—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs
- F16D13/52—Clutches with multiple lamellae ; Clutches in which three or more axially moveable members are fixed alternately to the shafts to be coupled and are pressed from one side towards an axially-located member
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D43/00—Automatic clutches
- F16D43/02—Automatic clutches actuated entirely mechanically
- F16D43/20—Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure
- F16D43/21—Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure with friction members
- F16D43/213—Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure with friction members with axially applied torque-limiting friction surfaces
- F16D43/215—Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure with friction members with axially applied torque-limiting friction surfaces with flat friction surfaces, e.g. discs
- F16D43/216—Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure with friction members with axially applied torque-limiting friction surfaces with flat friction surfaces, e.g. discs with multiple lamellae
-
- 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
- F16H48/00—Differential gearings
- F16H48/06—Differential gearings with gears having orbital motion
- F16H48/10—Differential gearings with gears having orbital motion with orbital spur gears
- F16H48/11—Differential gearings with gears having orbital motion with orbital spur gears having intermeshing planet gears
-
- 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
- F16H48/00—Differential gearings
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
- F16H48/22—Arrangements for suppressing or influencing the differential action, e.g. locking devices using friction clutches or brakes
-
- 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
- F16H48/00—Differential gearings
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
- F16H48/295—Arrangements for suppressing or influencing the differential action, e.g. locking devices using multiple means for force boosting
-
- 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
- F16H48/00—Differential gearings
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
- F16H48/30—Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means
- F16H48/34—Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using electromagnetic or electric actuators
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
- F16D2023/123—Clutch actuation by cams, ramps or ball-screw mechanisms
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D28/00—Electrically-actuated clutches
-
- 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
- F16H48/00—Differential gearings
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
- F16H48/30—Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means
- F16H48/34—Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using electromagnetic or electric actuators
- F16H2048/343—Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using electromagnetic or electric actuators using a rotary motor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/21—Elements
- Y10T74/2101—Cams
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Retarders (AREA)
- Semiconductor Lasers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3915959A DE3915959A1 (de) | 1989-05-18 | 1989-05-18 | Ausgleichsgetriebe |
Publications (3)
Publication Number | Publication Date |
---|---|
IT9020343A0 IT9020343A0 (it) | 1990-05-17 |
IT9020343A1 IT9020343A1 (it) | 1991-11-17 |
IT1241148B true IT1241148B (it) | 1993-12-29 |
Family
ID=6380765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT20343A IT1241148B (it) | 1989-05-18 | 1990-05-17 | Differenziale |
Country Status (7)
Country | Link |
---|---|
US (1) | US5106349A (it) |
JP (1) | JPH034055A (it) |
DD (1) | DD294546A5 (it) |
DE (1) | DE3915959A1 (it) |
FR (1) | FR2647174B1 (it) |
GB (1) | GB2234302B (it) |
IT (1) | IT1241148B (it) |
Families Citing this family (70)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3920861A1 (de) * | 1989-06-07 | 1990-12-13 | Gkn Automotive Ag | Ausgleichsgetriebe |
EP0466863B1 (de) * | 1990-02-14 | 1993-06-16 | Gkn Automotive Aktiengesellschaft | Vorrichtung zum zuschalten eines antriebsstranges |
JPH0599300A (ja) * | 1991-03-01 | 1993-04-20 | Gkn Automot Ag | 負荷を受けてシフト可能な変速機 |
DE4217313A1 (de) * | 1992-05-26 | 1993-12-02 | Gkn Automotive Ag | Umschaltbares Differentialgetriebe |
DE19611183C2 (de) * | 1996-03-21 | 2003-01-23 | Zf Sachs Ag | Reibungskupplung mit einem Stellantrieb für den automatisierten Betrieb |
US5989147A (en) * | 1998-02-25 | 1999-11-23 | Auburn Gear, Inc. | Electronically controllable limited slip differential |
US6001040A (en) * | 1998-02-25 | 1999-12-14 | Auburn Gear, Inc. | Hydraulically operated limited slip differential |
DE19939632A1 (de) * | 1999-08-20 | 2001-02-22 | Zf Lenksysteme Gmbh | Sperrbares Ausgleichsgetriebe |
US6561332B2 (en) | 2000-04-17 | 2003-05-13 | Eaton Corporation | Ball ramp clutch with frictional damping |
US6398686B1 (en) | 2000-08-22 | 2002-06-04 | Spicer Technology, Inc. | Electronically controlled limited slip differential assembly |
US20020083784A1 (en) * | 2000-11-03 | 2002-07-04 | The Torrington Company | Ball ramp actuator for locking mechanism |
US6460677B1 (en) | 2000-11-28 | 2002-10-08 | Spicer Technology, Inc. | Dual ball ramp actuator for locking differential |
JP3484409B2 (ja) | 2000-12-05 | 2004-01-06 | 川崎重工業株式会社 | 不整地走行車の車輪駆動装置 |
DE10065355C2 (de) * | 2000-12-27 | 2002-11-21 | Gkn Automotive Gmbh | Elektromechanische Drehmomentregelung-Eleminierung Anschlaggeräusch |
DE10065356C1 (de) * | 2000-12-27 | 2002-09-12 | Gkn Automotive Gmbh | Elektromechanische Drehmomentregelung - Beschleunigung des Rücklaufs |
KR20020067825A (ko) * | 2001-02-19 | 2002-08-24 | 김영호 | 자동차의 차동장치 |
SE519490C2 (sv) * | 2001-07-05 | 2003-03-04 | Haldex Traction Ab | Kularrangemang i en momentöverförande anordning |
US6533090B2 (en) * | 2001-08-03 | 2003-03-18 | Gkn Automotive, Inc. | Integrated axle module with twin electronic torque management |
US6561939B1 (en) | 2001-11-06 | 2003-05-13 | Torque-Traction Technologies, Inc. | Gear module for clutch actuator in differential assembly |
US6676555B2 (en) | 2001-12-14 | 2004-01-13 | Visteon Global Technologies, Inc. | Cone friction clutch |
US6692399B2 (en) * | 2001-12-19 | 2004-02-17 | Moog Inc. | Differential torque limiter |
US6571928B1 (en) * | 2001-12-21 | 2003-06-03 | Gkn Automotive, Inc. | Engagement mechanism with two stage ramp angle |
US7010996B2 (en) * | 2002-03-08 | 2006-03-14 | Timken Us Corporation | Steering column clamping device |
US6666315B2 (en) | 2002-05-09 | 2003-12-23 | Eaton Corporation | Ball ramp clutch with indexing plates |
US6637569B1 (en) | 2002-05-09 | 2003-10-28 | Eaton Corporation | Ball ramp actuator with indexing plates |
US6675943B2 (en) | 2002-05-09 | 2004-01-13 | Eaton Corporation | Lubrication system for ball ramp clutch systems |
US20040050643A1 (en) * | 2002-09-12 | 2004-03-18 | Krzesicki Richard M. | Clutch actuator |
US6810318B2 (en) * | 2002-09-13 | 2004-10-26 | General Motors Corporation | Drive torque transfer scheme |
DE10262144B4 (de) * | 2002-09-16 | 2007-04-12 | Gkn Driveline International Gmbh | Axialverstellvorrichtung mit Zweipunktkontakt der Kugeln |
US7083033B2 (en) | 2003-03-27 | 2006-08-01 | Tochigi Fuji Sangyo Kabushiki Kaisha | Torque transmission apparatus |
AT7019U1 (de) * | 2003-05-23 | 2004-07-26 | Magna Steyr Powertrain Ag & Co | Reibungskupplung und deren aktuator |
DE10334468A1 (de) * | 2003-07-29 | 2005-03-03 | Gkn Driveline International Gmbh | Axialverstellvorrichtung mit Tellerfeder-Übersetzung |
DE20314141U1 (de) * | 2003-09-10 | 2005-01-27 | Gkn Automotive Gmbh | Axialverstellvorrichtung |
DE10342013A1 (de) * | 2003-09-11 | 2005-05-04 | Estop Gmbh | Reibungskupplung |
US20050178231A1 (en) * | 2004-02-13 | 2005-08-18 | Timken U.S. Corporation | Steering column clamping device |
US20050205376A1 (en) * | 2004-03-19 | 2005-09-22 | Kemper Yves J | Ramp actuator |
US7390278B2 (en) * | 2005-03-18 | 2008-06-24 | Dana Automotive Systems Group, Llc. | Torque-coupling device for front-wheel-drive transaxle unit |
JP4028558B2 (ja) * | 2005-04-20 | 2007-12-26 | Gkn ドライブライン トルクテクノロジー株式会社 | 差動制限装置 |
US7278945B2 (en) * | 2005-10-14 | 2007-10-09 | Team Industries, Inc. | Differential |
DE102005053555B3 (de) * | 2005-11-08 | 2007-08-02 | Gkn Driveline International Gmbh | Kugelrampenanordnung mit variabler Steigung der Kugelrillen |
DE102007010369A1 (de) * | 2006-05-11 | 2007-11-29 | Volkswagen Ag | Elektrisch betätigte Kupplungseinrichtung |
DE102007004712B4 (de) * | 2007-01-31 | 2012-09-27 | Schaeffler Technologies Gmbh & Co. Kg | Stirnraddifferenzial |
DE102008011911B4 (de) * | 2007-11-28 | 2019-05-29 | Schaeffler Technologies AG & Co. KG | Vorspanneinheit |
US8235183B2 (en) * | 2008-02-25 | 2012-08-07 | Ausco Products, Inc. | Ball ramp brake |
DE102009013121A1 (de) | 2009-03-13 | 2010-09-16 | Schaeffler Technologies Gmbh & Co. Kg | Geregelte axiale Vorspanneinheit |
US8388486B2 (en) * | 2009-08-11 | 2013-03-05 | Magna Powertrain Of America, Inc. | AWD vehicle with active disconnect coupling having multi-stage ball ramp |
DE102009029006A1 (de) * | 2009-08-31 | 2011-03-03 | Zf Friedrichshafen Ag | Elektromechanische Betätigungsanordnung |
DE102009029005A1 (de) | 2009-08-31 | 2011-03-03 | Zf Friedrichshafen Ag | Elektromechanische Betätigungsanordnung |
DE102010039443A1 (de) * | 2010-08-18 | 2012-02-23 | Zf Friedrichshafen Ag | Vorrichtung zum Wandeln eines rotatorischen Antriebes einer Antriebseinrichtung in eine translatorische Antriebsbewegung |
JP5946285B2 (ja) * | 2012-02-09 | 2016-07-06 | Gknドライブラインジャパン株式会社 | 動力伝達装置 |
DE102012022636B4 (de) * | 2012-11-16 | 2021-02-11 | Magna Pt B.V. & Co. Kg | Querdifferential mit elektromechanischer Reibkupplung zur Sperrung |
US9625024B2 (en) | 2013-06-14 | 2017-04-18 | Dana Automotive Systems Group, Llc | Differential with torque coupling |
US9701195B2 (en) | 2013-06-14 | 2017-07-11 | Dana Automotive Systems Group, Llc | Differential with torque coupling |
US9476492B2 (en) | 2014-01-24 | 2016-10-25 | Dana Automotive Systems Group, Llc | Active limited slip differential |
JP6451964B2 (ja) | 2014-07-16 | 2019-01-16 | デーナ、オータモウティヴ、システィムズ、グループ、エルエルシー | ツインサイドシャフトトルクカップリングを備えた駆動ユニット及び駆動ユニットのツインサイドシャフトを通してトルクをカップリングする方法 |
US10030697B2 (en) * | 2015-05-07 | 2018-07-24 | Schaeffler Technologies AG & Co. KG | Axial bearing bridge for ball ramp |
US10012299B2 (en) | 2015-10-14 | 2018-07-03 | Dana Automotive Systems Group, Llc | Integrated active limited slip differential |
US9630086B1 (en) | 2015-12-08 | 2017-04-25 | John M. Wahe | Leveling device, system and method |
US9976605B2 (en) | 2015-12-22 | 2018-05-22 | Dana Automotive Systems Group, Llc | Dual ramp actuator controlling a two clutch system for a driveline |
US10253861B2 (en) | 2016-01-21 | 2019-04-09 | Dana Automotive Systems, Group, Llc | Torque vectoring unit |
US10473168B2 (en) | 2016-09-16 | 2019-11-12 | Dana Automotive System Group, Llc | Ball retaining ball and ramp assembly |
US10415681B2 (en) | 2017-01-06 | 2019-09-17 | Team Industries, Inc. | Linear actuator |
US10197144B2 (en) | 2017-01-20 | 2019-02-05 | Dana Heavy Vehicle Systems Group, Llc | Drive unit with torque vectoring and an axle disconnect and reconnect mechanism |
US10473203B2 (en) * | 2017-12-12 | 2019-11-12 | Gkn Automotive Limited | Vehicle differential having an electromagnetic actuator |
US20190219147A1 (en) * | 2018-01-17 | 2019-07-18 | ILJIN USA Corporation | Gear for a torque transmission device and method for making the gear |
JP7205394B2 (ja) * | 2018-07-06 | 2023-01-17 | 株式会社デンソー | クラッチ装置 |
DE102018131110A1 (de) * | 2018-12-06 | 2020-06-10 | Schaeffler Technologies AG & Co. KG | Axialverstelleinheit und Verwendung einer Axialverstelleinheit in einem schaltbaren Differenzial eines Fahrzeugs |
JP7258052B2 (ja) * | 2019-02-01 | 2023-04-14 | 株式会社ユニバンス | 伝動装置 |
US20230143955A1 (en) * | 2021-11-10 | 2023-05-11 | Luv Tulsidas | Stateful clutch system and methods |
DE102022202378A1 (de) | 2022-03-10 | 2023-09-14 | Zf Friedrichshafen Ag | Getriebe für ein Fahrzeug sowie Antriebsstrang mit einem solchen Getriebe |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1777024A (en) * | 1927-07-11 | 1930-09-30 | Wildhaber Ernest | Differential mechanism |
US2091270A (en) * | 1934-09-07 | 1937-08-31 | Howard D Colman | Clutch mechanism |
US2574204A (en) * | 1945-12-20 | 1951-11-06 | Franks Mfg Corp | Cam operated clutch |
US2661826A (en) * | 1948-12-24 | 1953-12-08 | Eimco Corp | Clutch |
US2848086A (en) * | 1953-01-13 | 1958-08-19 | Ertel Mfg Corp | Power take-off and tractor drive mechanism |
US3264900A (en) * | 1962-06-14 | 1966-08-09 | Powr Lok Corp | Differential |
DE2146073C2 (de) * | 1971-09-15 | 1982-10-07 | Eaton Corp., 44114 Cleveland, Ohio | Selbstsperrendes Planetenräderausgleichsgetriebe, insbesondere für Kraftfahrzeuge |
US3791501A (en) * | 1972-03-14 | 1974-02-12 | Fmc Corp | Cam operated clutch |
DE3408977A1 (de) * | 1984-03-12 | 1985-09-12 | Bayerische Motoren Werke AG, 8000 München | Fluessigkeitsreibungskupplung, insbesondere fuer ausgleichsgetriebe von kraftfahrzeugen |
US4679463A (en) * | 1984-08-31 | 1987-07-14 | Nissan Motor Co., Ltd. | Limited slip differential |
JPS62110529A (ja) * | 1985-11-08 | 1987-05-21 | Nissan Motor Co Ltd | 車両用差動制限制御装置 |
JPS62196951A (ja) * | 1986-02-25 | 1987-08-31 | Canon Inc | デ−タ伝送システム |
US4776234A (en) * | 1986-03-20 | 1988-10-11 | Dana Corporation | Modulating bias control for limited slip differential axle |
US4805486A (en) * | 1986-06-04 | 1989-02-21 | Tochigifujisangyo Kabushiki Kaisha | Locking differential gear assembly |
US4718303A (en) * | 1986-10-06 | 1988-01-12 | Borg-Warner Automotive, Inc. | Four wheel drive transfer case with clutch mechanism |
US4838118A (en) * | 1988-03-10 | 1989-06-13 | Eaton Corporation | Anti-spin differential |
DE3909112A1 (de) * | 1988-05-05 | 1990-09-27 | Uni Cardan Ag | Ausgleichsgetriebe |
DE58905253D1 (de) * | 1988-11-08 | 1993-09-16 | Gkn Automotive Ag | Verfahren zum verstellen von reibungskupplungen oder -bremsen. |
-
1989
- 1989-05-18 DE DE3915959A patent/DE3915959A1/de active Granted
-
1990
- 1990-05-16 DD DD90340703A patent/DD294546A5/de not_active IP Right Cessation
- 1990-05-17 GB GB9011091A patent/GB2234302B/en not_active Expired - Fee Related
- 1990-05-17 IT IT20343A patent/IT1241148B/it active IP Right Grant
- 1990-05-18 JP JP2127030A patent/JPH034055A/ja active Pending
- 1990-05-18 US US07/525,915 patent/US5106349A/en not_active Expired - Lifetime
- 1990-05-18 FR FR9006275A patent/FR2647174B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2234302B (en) | 1993-01-20 |
IT9020343A0 (it) | 1990-05-17 |
DE3915959C2 (it) | 1992-01-16 |
DE3915959A1 (de) | 1990-11-22 |
GB2234302A (en) | 1991-01-30 |
FR2647174B1 (fr) | 1993-11-19 |
FR2647174A1 (fr) | 1990-11-23 |
GB9011091D0 (en) | 1990-07-04 |
DD294546A5 (de) | 1991-10-02 |
IT9020343A1 (it) | 1991-11-17 |
JPH034055A (ja) | 1991-01-10 |
US5106349A (en) | 1992-04-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970528 |