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CH149628A - Two-speed gearboxes, in particular on motor vehicles. - Google Patents

Two-speed gearboxes, in particular on motor vehicles.

Info

Publication number
CH149628A
CH149628A CH149628DA CH149628A CH 149628 A CH149628 A CH 149628A CH 149628D A CH149628D A CH 149628DA CH 149628 A CH149628 A CH 149628A
Authority
CH
Switzerland
Prior art keywords
transmission
speed
wheels
speed change
coupling
Prior art date
Application number
Other languages
German (de)
Inventor
Haftung Maybach- Beschraenkter
Original Assignee
Maybach Motorenbau 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
Priority claimed from DEM101599D external-priority patent/DE532386C/en
Priority claimed from DEM110566D external-priority patent/DE592743C/en
Application filed by Maybach Motorenbau Gmbh filed Critical Maybach Motorenbau Gmbh
Publication of CH149628A publication Critical patent/CH149628A/en

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
    • 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
    • F16H63/38—Detents
    • 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
    • F16D11/00—Clutches in which the members have interengaging parts
    • F16D11/08—Clutches in which the members have interengaging parts actuated by moving a non-rotating part axially
    • F16D11/10—Clutches in which the members have interengaging parts actuated by moving a non-rotating part axially with clutching members movable only axially
    • 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
    • F16D21/00—Systems comprising a plurality of actuated clutches
    • F16D21/02—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways
    • F16D21/04—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways with a shaft carrying a number of rotatable transmission members, e.g. gears, each of which can be connected to the shaft by a clutching member or members between the shaft and the hub of the transmission 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
    • 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
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
    • F16H3/091—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears including a single countershaft
    • F16H3/0915—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears including a single countershaft with coaxial input and output shafts
    • 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
    • F16H3/16—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion essentially with both gears that can be put out of gear and continuously-meshing gears that can be disengaged from their shafts
    • 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
    • F16H63/04—Final output mechanisms therefor; Actuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism
    • 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
    • F16H63/3013—Constructional features of the final output mechanisms the final output mechanism being characterised by linkages converting movement, e.g. into opposite direction by a pivoting lever linking two shift rods
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G25/00—Other details or appurtenances of control mechanisms, e.g. supporting intermediate members elastically
    • 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
    • F16D11/00—Clutches in which the members have interengaging parts
    • F16D2011/004—Clutches in which the members have interengaging parts using an internal or intermediate axially slidable sleeve, coupling both components together, whereby the intermediate sleeve is arranged internally at least with respect to one of the components
    • 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
    • F16D11/00—Clutches in which the members have interengaging parts
    • F16D2011/008—Clutches in which the members have interengaging parts characterised by the form of the teeth forming the inter-engaging parts; Details of shape or structure of these teeth
    • 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
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H2003/0811—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts using unsynchronised 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
    • F16H2714/00—Different types speed-changing mechanisms for toothed gearing
    • F16H2714/02—Different types speed-changing mechanisms for toothed gearing only with toothed wheels remaining engaged
    • 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
    • F16H2714/00—Different types speed-changing mechanisms for toothed gearing
    • F16H2714/04—Different types speed-changing mechanisms for toothed gearing with specially adapted devices
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G2700/00—Control mechanisms or elements therefor applying a mechanical movement
    • G05G2700/12—Control mechanisms with one controlling member and one controlled member
    • G05G2700/14—Control mechanisms with one controlling member and one controlled member with one elastic element as essential part, e.g. elastic components as a part of an actuating mechanism

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Structure Of Transmissions (AREA)
  • Mechanical Operated Clutches (AREA)

Description

  

      Zweigangweuhselgetriebe,        insbesondere    an Kraftfahrzeugen.    Nach dem Hauptpatent ist ein Zweigang  wechselgetriebe, im besonderen für Kraft  fahrzeuge, mit zwei     Klauenkupplungen    mit  abgeschrägten Stirnflächen der     Klauenzähne          ,geschützt,    bei dem die     Klauenkupplungen     infolge der     Abschrägungen    wechselweise als       Überholungskupplungen    ohne mittlere Ruhe  stellung wirken, indem die     Abschrägungen     die Kupplungshälften solange voneinander  abweisen, bis die vorher schnellere Kupp  lungshälfte beginnt, die langsamere zu wer  den.

   Derartige Zweiganggetriebe können  nach dem Hauptpatent mit Vorteil auch vor  oder hinter einem andern Wechselgetriebe an  geordnet werden.  



  Die vorliegende Erfindung befasst sich  mit einem derartigen Zusammenbau eines sol  chen     Zweigangwechselgetriebes    mit einem  andern Wechselgetriebe und sie besteht darin,       da13    bei     .einer    solchen Kombination zweier  Getriebe wahlweise das .eine oder .das andere    der Räderpaare des Zweiganggetriebes zum  Antrieb der Neben- oder     Vorgelegewelle    des  zusammengebauten Getriebes dient. Auf sol  che Weise wird im besonderen der Vorteil  der Ersparnis eines Räderpaares und der  eines ausserordentlich kompakten Zusammen  baues der beiden Getriebe erreicht.  



  Am einfachsten gestaltet sich die erfin  dungsgemässe Konstruktion in solcher Weise,  dass die Hauptwellen des Zweiganggetriebes  und des damit zusammengebauten weiteren  Wechselgetriebes gleichachsig angeordnet  werden. Dabei kann es zweckmässig sein,  diesen gemeinsamen     Hauptwellenzug    an einer  Stelle durch eine Kupplung zu unterbrechen.  Auch die Nebenwellen des Zweigangwechsel  getriebes und die des mit ihm zusammenge  bauten weiteren Getriebes werden     vorteilhaf-          terweise    gleichachsig angeordnet, und aus  einem Stück gefertigt.      In der Zeichnung ist ein Ausführungs  beispiel eines erfindungsgemässen Zusammen  baues eines     Zweigangwechselgetriebes    nach  dem Hauptpatent mit einem Dreigangge  triebe schematisch dargestellt.  



  Es sind in den Figuren sechs verschiedene  Schaltstellungen dargestellt.  



  Das     Zweigangwechselgetriebe    nach dem  Hauptpatent besteht auch hier aus den Rä  derpaaren 2, 11 und 6, 12, wobei zwischen  den mit Kupplungszähnen ausgerüsteten Rä  dern 2 und 6 die Kupplungsmuffe 3 auf die  treibende Welle 1 verschiebbar aufgesetzt  ist. Das Rad 2 sitzt lose drehbar auf der  treibenden Welle 1 und das Rad 6 ist auf  den Wellenteil 8     aufgekeilt,    welcher in einem  Lager 9 ruht und durch eine besondere Kupp  lung 13, 14 mit der getriebenen Welle 5  verbunden werden kann. Der     eint    Teil, 13,  dieser Kupplung ist auf den Wellenteil 8       aufgekeilt,    während der andere Kupplungs  teil 14, mit dem- Verschieberad 15 des an  schliessenden Wechselgetriebes vereinigt ist.

    Zu dem anschliessenden Wechselgetriebe ge  hören auf der getriebenen Welle 5 ausser dem  Verschieberad 15 das Verschieberad 16 und  die auf die Nebenwelle 10     aufgek    eilten Rä  der 17 und 18.  



  Mit .den verschiedenen Schaltungen wer  den in dem kombinierten Getriebe die in den  Figuren dargestellten Räderstellungen er  reicht.  



       Fig.    1 zeigt die Stellung der Räder für  den direkten Gang. Hierbei sind die Räder  15, 17 und 16, 18 des angeschlossenen Wech  selgetriebes sämtlich ausser Wirkung und  die Kupplungsmuffe 3 steht mit dem Rad  6 in Eingriff und gleichzeitig ist die Wel  lenkupplung 13, 14 eingerückt. Es besteht  somit eine direkte Verbindung der Wellen  1, 8 und 5.  



  In     Fig.    2 erfolgt der Antrieb der getrie  benen Welle 5 über die Räder 2, 11 und 12,  6 bei eingerückter Wellenkupplung 13, 14.  Die Kupplungsmuffe 3 ist in die linke Stel  lung verschoben, in der sie mit dem Rad 2  in Eingriff steht.    Gemäss     Fig.    3 stehen die Räder 17, 15  des angeschlossenen Getriebes in Eingriff.  Die Wellenkupplung 13, 14 ist ausgerückt.  Die Kupplungsmuffe 3 befindet sich in Ein  griff mit dem     Rade    2.  



       Fig.    4 zeigt die gleiche Stellung des zwei  ten Wechselgetriebes, nämlich die Räder 17,  1.5 in Eingriff; die Wellenkupplung 13, 14  ist ausgerückt. Die Kupplungsmuffe 3 ist  mit dem Rad 6 gekuppelt.  



  Bei     Fig.    5 sind die Räder 18, 16 des  zweiten Getriebes miteinander in Eingriff,  wobei die Wellenkupplung 13, 14 ausgerückt  ist. Die Muffe 3 des Zweiganggetriebes ist  gekuppelt mit dem Rad 2.  



       Fig.    6 zeigt wiederum die in Eingriff  befindlichen Räder 18, 16 des angeschlos  senen Getriebes und bei ebenfalls ausgerück  ter Wellenkupplung 1'3, 14. Die Muffe 3  greift in das Rad 6 ein.  



  Gemäss     Fig.    1, 4 und 6 bildet das Räder  paar 6, 12 des     Zweigangwechselgetriebes    den  konstanten Trieb des anschliessenden Wech  selgetriebes und nach     Fig.    2, 3 und 5 ist  das Räderpaar 2, 11 des Zweigangwechsel  getriebes als konstanter Trieb verwendet.



      Two-speed gearboxes, in particular on motor vehicles. According to the main patent, a two-speed change-speed transmission, especially for motor vehicles, with two claw clutches with beveled faces of the claw teeth, is protected, in which the claw clutches alternately act as overrunning clutches without a mean idle position because the bevels deflect the coupling halves from one another as long as until the previously faster coupling half begins to become the slower one.

   Such two-speed transmissions can be arranged according to the main patent with advantage in front of or behind another change gear.



  The present invention is concerned with such an assembly of such a two-speed change-speed transmission with another change-speed transmission and it consists in that, in such a combination of two transmissions, either one or the other of the pairs of gears of the two-speed transmission to drive the auxiliary or countershaft of the assembled transmission is used. In such a way, the advantage of saving a pair of wheels and that of an extremely compact assembly of the two transmissions is achieved in particular.



  The simplest way of constructing the construction according to the invention is that the main shafts of the two-speed transmission and of the further change-speed transmission assembled therewith are arranged coaxially. It can be useful to interrupt this common main shaft train at one point by a coupling. The auxiliary shafts of the two-speed change gearbox and those of the additional gearbox assembled with it are also advantageously arranged coaxially and made from one piece. In the drawing, an embodiment example of an inventive assembly of a two-speed change transmission according to the main patent with a Dreigangge transmission is shown schematically.



  There are six different switching positions shown in the figures.



  The two-speed change gearbox according to the main patent also consists of the pairs of wheels 2, 11 and 6, 12, with the coupling sleeve 3 slidably mounted on the driving shaft 1 between the wheels 2 and 6 equipped with coupling teeth. The wheel 2 sits loosely rotatable on the driving shaft 1 and the wheel 6 is keyed onto the shaft part 8, which rests in a bearing 9 and can be connected to the driven shaft 5 by a special coupling 13, 14. The one part, 13, of this coupling is keyed onto the shaft part 8, while the other coupling part 14 is combined with the sliding gear 15 of the gearbox that is closing.

    To the subsequent change-speed gear, on the driven shaft 5, apart from the shift wheel 15, the shift wheel 16 and the wheels 17 and 18 which are attached to the secondary shaft 10 are heard.



  With .den different circuits who the gear positions shown in the figures he reaches in the combined transmission.



       Fig. 1 shows the position of the wheels for direct gear. Here, the wheels 15, 17 and 16, 18 of the connected Wech selgetriebes are all out of action and the coupling sleeve 3 is in engagement with the wheel 6 and at the same time the Wel steering clutch 13, 14 is engaged. There is thus a direct connection between shafts 1, 8 and 5.



  In Fig. 2, the drive of the geared shaft 5 takes place via the wheels 2, 11 and 12, 6 with the shaft coupling 13, 14 engaged. The coupling sleeve 3 is moved to the left position in which it is in engagement with the wheel 2 . According to FIG. 3, the wheels 17, 15 of the connected transmission are in engagement. The shaft coupling 13, 14 is disengaged. The coupling sleeve 3 is in a grip with the wheel 2.



       Fig. 4 shows the same position of the two-th gearbox, namely the wheels 17, 1.5 in engagement; the shaft coupling 13, 14 is disengaged. The coupling sleeve 3 is coupled to the wheel 6.



  In FIG. 5, the wheels 18, 16 of the second transmission are in engagement with one another, the shaft coupling 13, 14 being disengaged. The sleeve 3 of the two-speed transmission is coupled to the wheel 2.



       6 again shows the engaged wheels 18, 16 of the connected transmission and with the shaft coupling 1'3, 14 also disengaged.



  According to Fig. 1, 4 and 6, the pair of wheels 6, 12 of the two-speed change gearbox forms the constant drive of the subsequent Wech selgetriebes and according to Fig. 2, 3 and 5, the pair of wheels 2, 11 of the two-speed change gearbox is used as a constant drive.

Claims (1)

PATENTANSPRUCH: Zweigangwechselgetriebe, insbesondere an Kraftfahrzeugen, nach dem Patentanspruch des Hauptpatentes, im Zusammenbau mit einem andern Wechselgetriebe, dadurch ge kennzeichnet, dass wahlweise das eine oder das andere der Räderpaare des Zweigang wechs.elgetriebes zum Antrieb der Neben- oder Vorgelegewelle des zusammengebauten Getriebes dient. <B>UNTERANSPRÜCHE:</B> 1. PATENT CLAIM: Two-speed change gear, especially on motor vehicles, according to the patent claim of the main patent, in assembly with another change gear, characterized in that either one or the other of the pairs of wheels of the two-speed change.elgetriebes serves to drive the auxiliary or countershaft of the assembled transmission . <B> SUBClaims: </B> 1. Getriebe nach dem Patentanspruch hier vor, dadurch gekennzeichnet, dass die Hauptwelle des Zweigangwechselgetriebes und des zusammengebauten andern Wech selgetriebes gleichachsig angeordnet sind, wobei dieser gemeinsame Hauptwellenzug an einer Stelle durch eine Kupplung un terbrochen ist. 2. Getriebe nach Patentanspruch und Unter anspruch 1 hiervor, dadurch gekennzeich net, dass die Nebenwelle des Zweigang wechselgetriebes und die des mit ihm zu sammengebauten weiteren Getriebes gleichachsig angeordnet und aus einem Stück gefertigt sind. Transmission according to the patent claim above, characterized in that the main shaft of the two-speed change-speed transmission and the assembled other Wech selgetriebes are arranged coaxially, this common main shaft train being interrupted at one point by a clutch. 2. Transmission according to claim and sub-claim 1 above, characterized in that the auxiliary shaft of the two-speed change-speed transmission and that of the further transmission assembled with it are arranged coaxially and made from one piece.
CH149628D 1927-10-05 1930-05-30 Two-speed gearboxes, in particular on motor vehicles. CH149628A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEM101599D DE532386C (en) 1927-10-05 1927-10-05 Two-speed gearboxes, especially for motor vehicles
DEM110566D DE592743C (en) 1929-06-15 1929-06-15 Gear change transmission, especially for motor vehicles

Publications (1)

Publication Number Publication Date
CH149628A true CH149628A (en) 1931-09-15

Family

ID=25988259

Family Applications (2)

Application Number Title Priority Date Filing Date
CH137364D CH137364A (en) 1927-10-05 1928-09-04 Two-speed gearboxes, in particular on motor vehicles.
CH149628D CH149628A (en) 1927-10-05 1930-05-30 Two-speed gearboxes, in particular on motor vehicles.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH137364D CH137364A (en) 1927-10-05 1928-09-04 Two-speed gearboxes, in particular on motor vehicles.

Country Status (4)

Country Link
BE (1) BE354724A (en)
CH (2) CH137364A (en)
FR (2) FR661505A (en)
GB (2) GB298186A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5578844A (en) * 1978-12-08 1980-06-13 Nissan Motor Co Ltd Change gear device
JPS61266852A (en) * 1985-05-17 1986-11-26 Nissan Motor Co Ltd Gear transmission
ES1039749Y (en) * 1998-03-16 1999-06-01 Benito Barragan Angel PERFECTED REDUCING HEAD, FOR MACHINE-TOOL.
FR2952987B1 (en) * 2009-11-24 2012-01-20 Peugeot Citroen Automobiles Sa PILOTED GEARBOX
ITBO20130450A1 (en) * 2013-08-07 2015-02-08 Gb S R L Societa Unipersonale PTO
ES2532651B1 (en) * 2013-09-26 2016-01-22 B Y M Ingenieros, S.L. Traction device for vehicle and vehicle incorporating such device
CN104500663A (en) * 2014-12-26 2015-04-08 中国重汽集团大同齿轮有限公司 High-speed-ratio middle-sized six-speed automobile gearbox
CN104930137B (en) 2015-05-29 2018-07-27 精进电动科技股份有限公司 Automatic transmission
CN110319162B (en) * 2019-05-30 2020-09-01 北京理工大学 Variable-speed-ratio high-torque-density power unit for bionic robot

Also Published As

Publication number Publication date
CH137364A (en) 1929-12-31
FR661505A (en) 1929-08-01
BE354724A (en) 1900-01-01
GB298186A (en) 1929-04-18
GB341379A (en) 1931-01-15
FR697452A (en) 1931-01-19

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