IT1100947B - Dispositivo per il cambio silenzioso di una retromarcia in un cambio di velocita' particolarmente per autoveicoli - Google Patents

Dispositivo per il cambio silenzioso di una retromarcia in un cambio di velocita' particolarmente per autoveicoli

Info

Publication number
IT1100947B
IT1100947B IT29923/78A IT2992378A IT1100947B IT 1100947 B IT1100947 B IT 1100947B IT 29923/78 A IT29923/78 A IT 29923/78A IT 2992378 A IT2992378 A IT 2992378A IT 1100947 B IT1100947 B IT 1100947B
Authority
IT
Italy
Prior art keywords
gearbox
silent
vehicles
reverse gear
speed particularly
Prior art date
Application number
IT29923/78A
Other languages
English (en)
Other versions
IT7829923A0 (it
Original Assignee
Volkswagenwerk 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 Volkswagenwerk Ag filed Critical Volkswagenwerk Ag
Publication of IT7829923A0 publication Critical patent/IT7829923A0/it
Application granted granted Critical
Publication of IT1100947B publication Critical patent/IT1100947B/it

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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/20—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
    • F16H3/38—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with synchro-meshing
    • F16H3/385—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with synchro-meshing with braking 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
    • F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
    • F16D23/02—Arrangements for synchronisation, also for power-operated clutches
    • F16D23/04—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch
    • F16D23/06—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
    • F16D23/0612—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation the blocking mechanism comprising a radial pin in an axial slot with at least one branch
    • 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
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/302—Final output mechanisms for reversing
    • 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
    • Y10T74/19—Gearing
    • Y10T74/19219—Interchangeably locked
    • Y10T74/19223—Disconnectable counter shaft
    • 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
    • Y10T74/19—Gearing
    • Y10T74/19219—Interchangeably locked
    • Y10T74/19284—Meshing assisters
    • 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
    • Y10T74/19—Gearing
    • Y10T74/19637—Gearing with brake means for gearing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)
  • Mechanical Operated Clutches (AREA)
IT29923/78A 1977-11-19 1978-11-17 Dispositivo per il cambio silenzioso di una retromarcia in un cambio di velocita' particolarmente per autoveicoli IT1100947B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2751699A DE2751699C3 (de) 1977-11-19 1977-11-19 Einrichtung zur geräuschlosen Schaltung eines Rückwärtsganges von Geschwindigkeitswechselgetrieben, insbesondere von Kraftfahrzeugen

Publications (2)

Publication Number Publication Date
IT7829923A0 IT7829923A0 (it) 1978-11-17
IT1100947B true IT1100947B (it) 1985-09-28

Family

ID=6024088

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29923/78A IT1100947B (it) 1977-11-19 1978-11-17 Dispositivo per il cambio silenzioso di una retromarcia in un cambio di velocita' particolarmente per autoveicoli

Country Status (4)

Country Link
US (1) US4257284A (it)
DE (1) DE2751699C3 (it)
FR (1) FR2409419A1 (it)
IT (1) IT1100947B (it)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS569921U (it) * 1979-07-02 1981-01-28
FR2461156A1 (fr) * 1979-07-06 1981-01-30 Citroen Sa Perfectionnements aux dispositifs de changement de vitesses, notamment pour l'engagement de la marche arriere
DE2939713B2 (de) * 1979-09-29 1981-07-09 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Einrichtung zur Schaltung eines Rückwärtsganges bei Wechselgetrieben
US4463622A (en) * 1980-01-11 1984-08-07 Deere & Company Transmission and reverse gear synchronizing therefor
US4430904A (en) * 1981-08-24 1984-02-14 Borg-Warner Corporation Multiple speed ratio transmission with anti-clash brake
DE3147782C2 (de) * 1981-12-03 1984-08-30 Ford-Werke AG, 5000 Köln Schalteinrichtung für den Rückwärtsgang mit Abbremsung der Eingangswelle eines Kraftfahrzeugwechselgetriebes in Vorgelegebauweise
US4495838A (en) * 1981-12-16 1985-01-29 Eaton Corporation Reverse preselect control
JPS5975964U (ja) * 1982-11-15 1984-05-23 トヨタ自動車株式会社 手動変速機におけるリバ−スギヤ鳴り防止装置
JPS5979665U (ja) * 1982-11-19 1984-05-29 トヨタ自動車株式会社 手動変速機におけるリバ−スギヤ鳴り防止装置
SE450943B (sv) * 1983-08-23 1987-08-17 Volvo Ab Anordning vid en motorfordonsvexellada for dempning av tomgangsskrammel
IT1211201B (it) * 1987-07-13 1989-10-12 Fiat Auto Spa Cambio di velocita ad ingranaggi per autoveicoli con dispositivo di innesto sincronizzato della retromarcia
DE3732525A1 (de) * 1987-09-26 1989-04-06 Neuenstein Zahnradwerk Stufengetriebe fuer kraftfahrzeuge
JP2631311B2 (ja) * 1988-10-28 1997-07-16 本田技研工業株式会社 多段歯車変速機
SE502418C2 (sv) * 1993-07-07 1995-10-16 Volvo Ab Motorfordonsväxellåda
DE4340139C2 (de) * 1993-11-25 1996-09-19 Ford Werke Ag Einspurvorrichtung für ein Rückwärtsgang-Zwischenrad in einem Kraftfahrzeug-Wechselgetriebe
JP2009036217A (ja) * 2007-07-31 2009-02-19 Toyota Motor Corp 変速機の同期装置
WO2012007915A2 (en) * 2010-07-13 2012-01-19 Giora Ledereich Planetary transmission having a segmented ring
US8474345B2 (en) * 2010-08-26 2013-07-02 GM Global Technology Operations LLC Transmission with reverse gear brake
CN110030291B (zh) * 2017-12-26 2021-01-05 丰田自动车株式会社 车辆用动力传递装置的啮合离合器

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB307631A (en) * 1928-03-15 1929-03-14 William Thomas Carling Improvements in or relating to toothed change speed gears
US1913162A (en) * 1931-09-14 1933-06-06 Gen Motors Corp Synchro-mesh transmission
US2256320A (en) * 1940-02-19 1941-09-16 Clark Equipment Co Transmission
US2571474A (en) * 1947-07-29 1951-10-16 Chrysler Corp Power-transmitting mechanism
US2535632A (en) * 1949-05-05 1950-12-26 Allis Chalmers Mfg Co Change-speed transmission
US2660900A (en) * 1950-08-17 1953-12-01 Minneapolis Moline Co Transmission
FR1122892A (fr) * 1954-04-27 1956-09-13 Daimler Benz Ag Dispositif pour faciliter l'embrayage d'une vitesse, en particulier pour la marche arère de mécanismes de changement de vitesse
FR1189608A (fr) * 1958-01-08 1959-10-05 Renault Synchroniseur pour boîte de vitesses
FR1313752A (fr) * 1961-06-30 1963-01-04 Renault Dispositif de synchronisation pour pignon baladeur
US3280650A (en) * 1963-12-09 1966-10-25 Albert L Clement Synchronizer for transmission
US3362244A (en) * 1966-05-02 1968-01-09 Ford Motor Co Multiple ratio power transmission system with a manually operated synchronizer
US3511116A (en) * 1968-08-27 1970-05-12 Mack Trucks Self-shifting transmission
DE2018399C3 (de) * 1970-04-17 1975-01-23 Daimler-Benz Ag, 7000 Stuttgart Einrichtung zum Einspuren eines Rückwärtsgang-Zahnrades bei einem insbesondere für Kraftfahrzeuge bestimmten Wechselgetriebe
US3921469A (en) * 1972-07-31 1975-11-25 Eaton Corp Transmission with resiliently loaded main shaft gears
DE2708999C2 (de) * 1977-03-02 1978-10-05 Bayerische Motoren Werke Ag, 8000 Muenchen Wechselgetriebe von Kraftfahrzeugen mit einer Sperrvorrichtung für den Rückwärtsgang

Also Published As

Publication number Publication date
FR2409419A1 (fr) 1979-06-15
DE2751699A1 (de) 1979-05-23
FR2409419B1 (it) 1983-07-08
IT7829923A0 (it) 1978-11-17
US4257284A (en) 1981-03-24
DE2751699C3 (de) 1981-03-12
DE2751699B2 (de) 1980-06-26

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