DOG CLUTCH WITH ZERO CIRCUMFERENTIAL BACKLASH

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F16%3A00309748" target="_blank" >RIV/68407700:21220/16:00309748 - isvavai.cz</a>

Výsledek na webu

<a href="http://www.transmission-symposium.com" target="_blank" >http://www.transmission-symposium.com</a>

DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

DOG CLUTCH WITH ZERO CIRCUMFERENTIAL BACKLASH

Popis výsledku v původním jazyce

The paper is dedicated to design and test of a new dog-clutch gearshift mechanism for passenger car gearboxes with external synchronisation. There are two main targets of presented work: 1) Replace the standard synchroniser with cheap and compact shift device, which will allow the internal architecture of gearbox similar to the classical manual transmission 2) Keep all important functions of synchroniser; except for the synchronisation: minimal circular backlash to avoid clash during change of sense of the torque flow, prevent unwanted disengagement, and guarantee the shift anytime. To this purpose we invented and designed a new mechanism. To observe the real life function this prototype was assembled into the passenger car gearbox between the IIIrd and IVth speed. The transmission was equipped with external synchronization device. The gearshift tests were conducted on a flywheel test stand equipped with pneumatic shift robot. With help of external synchronisation device the different relative speeds between the free rotating wheel and shaft were preset. The impact of speed difference on shift smoothness was evaluated with help of vibration measurement. The results were compared with the same gearbox equipped with classical synchroniser. The newly invented clutch offers good possibility to minimize the length. The comparison of standard 5 speed transmission with synchronisers and with the new clutches was elaborated in a CAD model.

Název v anglickém jazyce

DOG CLUTCH WITH ZERO CIRCUMFERENTIAL BACKLASH

Popis výsledku anglicky

The paper is dedicated to design and test of a new dog-clutch gearshift mechanism for passenger car gearboxes with external synchronisation. There are two main targets of presented work: 1) Replace the standard synchroniser with cheap and compact shift device, which will allow the internal architecture of gearbox similar to the classical manual transmission 2) Keep all important functions of synchroniser; except for the synchronisation: minimal circular backlash to avoid clash during change of sense of the torque flow, prevent unwanted disengagement, and guarantee the shift anytime. To this purpose we invented and designed a new mechanism. To observe the real life function this prototype was assembled into the passenger car gearbox between the IIIrd and IVth speed. The transmission was equipped with external synchronization device. The gearshift tests were conducted on a flywheel test stand equipped with pneumatic shift robot. With help of external synchronisation device the different relative speeds between the free rotating wheel and shaft were preset. The impact of speed difference on shift smoothness was evaluated with help of vibration measurement. The results were compared with the same gearbox equipped with classical synchroniser. The newly invented clutch offers good possibility to minimize the length. The comparison of standard 5 speed transmission with synchronisers and with the new clutches was elaborated in a CAD model.

Druh

D - Stať ve sborníku

CEP obor

JT - Pohon, motory a paliva

OECD FORD obor

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Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2016

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

15th CTI Symposium

ISBN

978-3-9817822-2-6

ISSN

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e-ISSN

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Počet stran výsledku

10

Strana od-do

1-10

Název nakladatele

Car Training Institute

Místo vydání

Düsseldorf

Místo konání akce

Berlín

Datum konání akce

5. 12. 2016

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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