FR2250404A5 - Synchroniser for a gearbox - tension springs normally prevent contact between pinion and synchronising ring - Google Patents

Synchroniser for a gearbox - tension springs normally prevent contact between pinion and synchronising ring

Info

Publication number
FR2250404A5
FR2250404A5 FR7339468A FR7339468A FR2250404A5 FR 2250404 A5 FR2250404 A5 FR 2250404A5 FR 7339468 A FR7339468 A FR 7339468A FR 7339468 A FR7339468 A FR 7339468A FR 2250404 A5 FR2250404 A5 FR 2250404A5
Authority
FR
France
Prior art keywords
hub
ring
pinion
sleeve
tension springs
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
Application number
FR7339468A
Other languages
French (fr)
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.)
Automobiles Citroen SA
Original Assignee
Automobiles Citroen SA
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 Automobiles Citroen SA filed Critical Automobiles Citroen SA
Priority to FR7339468A priority Critical patent/FR2250404A5/en
Application granted granted Critical
Publication of FR2250404A5 publication Critical patent/FR2250404A5/en
Expired legal-status Critical Current

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
    • 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
    • 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
    • F16D2023/0618—Details of blocking mechanism comprising a helical spring loaded element, e.g. ball

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

A hub (1) keyed to shaft (2) is splined to sleeve (5) movable by a gear lever fork. Within the hub is a synchronising ring (8) with three tapering axial projections (12) engaging in hub recesses so the hub rotates the ring. Tension springs (19) correct the hub and ring so the ring does not engage a pinion (11) rotatable on the shaft. Movement of the hub towards the pinion causes the end faces (12a) of the projections to engage rings (13), containing spring loaded balls (15) locking the hub and sleeve, and push the ring (8) onto the pinion to brake or speed up the latter. Rotation of the ring w.r.t. the hub locks the ring onto the pinion and further sleeve movement causes the sleeve to engage teeth (22) on the pinion.
FR7339468A 1973-10-31 1973-10-31 Synchroniser for a gearbox - tension springs normally prevent contact between pinion and synchronising ring Expired FR2250404A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7339468A FR2250404A5 (en) 1973-10-31 1973-10-31 Synchroniser for a gearbox - tension springs normally prevent contact between pinion and synchronising ring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7339468A FR2250404A5 (en) 1973-10-31 1973-10-31 Synchroniser for a gearbox - tension springs normally prevent contact between pinion and synchronising ring

Publications (1)

Publication Number Publication Date
FR2250404A5 true FR2250404A5 (en) 1975-05-30

Family

ID=9127378

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7339468A Expired FR2250404A5 (en) 1973-10-31 1973-10-31 Synchroniser for a gearbox - tension springs normally prevent contact between pinion and synchronising ring

Country Status (1)

Country Link
FR (1) FR2250404A5 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2356050A1 (en) * 1976-06-23 1978-01-20 Zahnradfabrik Friedrichshafen Synchromesh device for gearbox - has springs to isolate torsional vibration of drive member
WO1989002995A1 (en) * 1987-09-26 1989-04-06 Neuenstein Zahnradwerk Multi-step reduction gear for motor vehicles
EP0515243A1 (en) * 1991-05-24 1992-11-25 Regie Nationale Des Usines Renault S.A. Synchronizer for gearbox
WO2007068432A1 (en) * 2005-12-17 2007-06-21 Volkswagen Aktiengesellschaft Synchronizing device and synchronizer ring for a synchronizing device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2356050A1 (en) * 1976-06-23 1978-01-20 Zahnradfabrik Friedrichshafen Synchromesh device for gearbox - has springs to isolate torsional vibration of drive member
WO1989002995A1 (en) * 1987-09-26 1989-04-06 Neuenstein Zahnradwerk Multi-step reduction gear for motor vehicles
US5003834A (en) * 1987-09-26 1991-04-02 Muller Erich R Servo synchronization with mechanical inter lock
EP0515243A1 (en) * 1991-05-24 1992-11-25 Regie Nationale Des Usines Renault S.A. Synchronizer for gearbox
FR2676791A1 (en) * 1991-05-24 1992-11-27 Renault SYNCHRONIZER OF GEARBOX.
WO2007068432A1 (en) * 2005-12-17 2007-06-21 Volkswagen Aktiengesellschaft Synchronizing device and synchronizer ring for a synchronizing device

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Legal Events

Date Code Title Description
ST Notification of lapse