TWIN VARIATOR TRANSMISSION ARRANGEMENT
A transmission arrangement is disclosed which comprises first and second variators (166, 169) each of which comprises an input race (150, 154) and an output race (152, 156). A plurality of rollers (276, 278) is arranged to run upon the input and output races to transfer drive from one to the other....
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| creator | DUTSON, BRIAN JOSEPH |
| description | A transmission arrangement is disclosed which comprises first and second variators (166, 169) each of which comprises an input race (150, 154) and an output race (152, 156). A plurality of rollers (276, 278) is arranged to run upon the input and output races to transfer drive from one to the other. The races are mounted for rotation about a common axis and the inclination of the first variator's rollers is variable independently of the inclination of the second variator's rollers, so that the two rollers are able to provide independently and continuously variable drive ratios. To provide traction between the rollers and races, a biasing device (216, 217) applies an axial force to one of the races, urging the rollers and races into engagement with each other. Each variator is provided with a shunt gear for providing forward, reverse and g eared neutral ratios, and to couple the variator input to the shunt gear a coupling member (160) passes through the outer variator races.
L'ensemble de transmission selon l'invention comprend un premier et un second variateur (166, 169) possédant chacun un chemin d'entrée (150, 154) et un chemin de sortie (152, 156). Une pluralité de galets (276, 278) sont conçus pour rouler sur les chemins d'entrée et de sortie dans le but de transférer la transmission des uns aux autres. Les chemins sont faits pour tourner autour d'un axe commun, et l'inclinaison des galets du premier variateur peut varier indépendamment de celle des galets du second variateur, ce qui permet d'obtenir, grâce aux deux galets, des rapports de transmission qui varient de façon indépendante et continue. Pour assurer l'adhérence des galets et des chemins, un dispositif en biais (216, 217) applique une force axiale sur l'un des chemins, mettant ainsi en contact les galets et les chemins. Chaque variateur est muni d'un engrènement en dérivation permettant d'obtenir des rapports de point mort avant, arrière et engrené. Afin de coupler l'entrée de variateur à l'engrènement en dérivation, un élément de couplage (160) traverse les chemins de variateur extérieurs. |
| format | Patent |
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L'ensemble de transmission selon l'invention comprend un premier et un second variateur (166, 169) possédant chacun un chemin d'entrée (150, 154) et un chemin de sortie (152, 156). Une pluralité de galets (276, 278) sont conçus pour rouler sur les chemins d'entrée et de sortie dans le but de transférer la transmission des uns aux autres. Les chemins sont faits pour tourner autour d'un axe commun, et l'inclinaison des galets du premier variateur peut varier indépendamment de celle des galets du second variateur, ce qui permet d'obtenir, grâce aux deux galets, des rapports de transmission qui varient de façon indépendante et continue. Pour assurer l'adhérence des galets et des chemins, un dispositif en biais (216, 217) applique une force axiale sur l'un des chemins, mettant ainsi en contact les galets et les chemins. Chaque variateur est muni d'un engrènement en dérivation permettant d'obtenir des rapports de point mort avant, arrière et engrené. Afin de coupler l'entrée de variateur à l'engrènement en dérivation, un élément de couplage (160) traverse les chemins de variateur extérieurs.</description><language>eng ; fre</language><subject>BLASTING ; ENGINEERING ELEMENTS AND UNITS ; GEARING ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; THERMAL INSULATION IN GENERAL ; WEAPONS</subject><creationdate>2008</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20080912&DB=EPODOC&CC=WO&NR=2008087450A3$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20080912&DB=EPODOC&CC=WO&NR=2008087450A3$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>DUTSON, BRIAN JOSEPH</creatorcontrib><title>TWIN VARIATOR TRANSMISSION ARRANGEMENT</title><description>A transmission arrangement is disclosed which comprises first and second variators (166, 169) each of which comprises an input race (150, 154) and an output race (152, 156). A plurality of rollers (276, 278) is arranged to run upon the input and output races to transfer drive from one to the other. The races are mounted for rotation about a common axis and the inclination of the first variator's rollers is variable independently of the inclination of the second variator's rollers, so that the two rollers are able to provide independently and continuously variable drive ratios. To provide traction between the rollers and races, a biasing device (216, 217) applies an axial force to one of the races, urging the rollers and races into engagement with each other. Each variator is provided with a shunt gear for providing forward, reverse and g eared neutral ratios, and to couple the variator input to the shunt gear a coupling member (160) passes through the outer variator races.
L'ensemble de transmission selon l'invention comprend un premier et un second variateur (166, 169) possédant chacun un chemin d'entrée (150, 154) et un chemin de sortie (152, 156). Une pluralité de galets (276, 278) sont conçus pour rouler sur les chemins d'entrée et de sortie dans le but de transférer la transmission des uns aux autres. Les chemins sont faits pour tourner autour d'un axe commun, et l'inclinaison des galets du premier variateur peut varier indépendamment de celle des galets du second variateur, ce qui permet d'obtenir, grâce aux deux galets, des rapports de transmission qui varient de façon indépendante et continue. Pour assurer l'adhérence des galets et des chemins, un dispositif en biais (216, 217) applique une force axiale sur l'un des chemins, mettant ainsi en contact les galets et les chemins. Chaque variateur est muni d'un engrènement en dérivation permettant d'obtenir des rapports de point mort avant, arrière et engrené. Afin de coupler l'entrée de variateur à l'engrènement en dérivation, un élément de couplage (160) traverse les chemins de variateur extérieurs.</description><subject>BLASTING</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>GEARING</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2008</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFALCff0UwhzDPJ0DPEPUggJcvQL9vUMDvb091NwDALy3F19Xf1CeBhY0xJzilN5oTQ3g7Kba4izh25qQX58anFBYnJqXmpJfLi_kYGBhYGFuYmpgaOxMXGqAIEmJO0</recordid><startdate>20080912</startdate><enddate>20080912</enddate><creator>DUTSON, BRIAN JOSEPH</creator><scope>EVB</scope></search><sort><creationdate>20080912</creationdate><title>TWIN VARIATOR TRANSMISSION ARRANGEMENT</title><author>DUTSON, BRIAN JOSEPH</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_WO2008087450A33</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2008</creationdate><topic>BLASTING</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>GEARING</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>DUTSON, BRIAN JOSEPH</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>DUTSON, BRIAN JOSEPH</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>TWIN VARIATOR TRANSMISSION ARRANGEMENT</title><date>2008-09-12</date><risdate>2008</risdate><abstract>A transmission arrangement is disclosed which comprises first and second variators (166, 169) each of which comprises an input race (150, 154) and an output race (152, 156). A plurality of rollers (276, 278) is arranged to run upon the input and output races to transfer drive from one to the other. The races are mounted for rotation about a common axis and the inclination of the first variator's rollers is variable independently of the inclination of the second variator's rollers, so that the two rollers are able to provide independently and continuously variable drive ratios. To provide traction between the rollers and races, a biasing device (216, 217) applies an axial force to one of the races, urging the rollers and races into engagement with each other. Each variator is provided with a shunt gear for providing forward, reverse and g eared neutral ratios, and to couple the variator input to the shunt gear a coupling member (160) passes through the outer variator races.
L'ensemble de transmission selon l'invention comprend un premier et un second variateur (166, 169) possédant chacun un chemin d'entrée (150, 154) et un chemin de sortie (152, 156). Une pluralité de galets (276, 278) sont conçus pour rouler sur les chemins d'entrée et de sortie dans le but de transférer la transmission des uns aux autres. Les chemins sont faits pour tourner autour d'un axe commun, et l'inclinaison des galets du premier variateur peut varier indépendamment de celle des galets du second variateur, ce qui permet d'obtenir, grâce aux deux galets, des rapports de transmission qui varient de façon indépendante et continue. Pour assurer l'adhérence des galets et des chemins, un dispositif en biais (216, 217) applique une force axiale sur l'un des chemins, mettant ainsi en contact les galets et les chemins. Chaque variateur est muni d'un engrènement en dérivation permettant d'obtenir des rapports de point mort avant, arrière et engrené. Afin de coupler l'entrée de variateur à l'engrènement en dérivation, un élément de couplage (160) traverse les chemins de variateur extérieurs.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre |
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| subjects | BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS |
| title | TWIN VARIATOR TRANSMISSION ARRANGEMENT |
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