Splined sun gear and method for compact electro-mechanical transmission
This invention relates to a sun gear member and sun gear shaft providing improved manufacturing time and material cost savings. This invention further relates to the packaging of a compact electro-mechanical transmission specifically as it pertains to the redesign of the planetary gear arrangement t...
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| creator | KEMPF GREGORY W |
| description | This invention relates to a sun gear member and sun gear shaft providing improved manufacturing time and material cost savings. This invention further relates to the packaging of a compact electro-mechanical transmission specifically as it pertains to the redesign of the planetary gear arrangement to compensate for the new design of the sun gear member and sun gear shaft. Several design modifications are disclosed in order to reduce the diameter of the planetary gear arrangement and its inclusive members. For example, the ring gear is chamfered to allow for additional clearance so that the planetary gear arrangement and the electronic motor package can be more compact when sun gear has separable sun gear members. In addition to packaging considerations, material costs, fatigue life requirements, and manufacturability of relevant transmission components were governing concerns in the redesign of the sun gear member and sun gear shaft. |
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This invention further relates to the packaging of a compact electro-mechanical transmission specifically as it pertains to the redesign of the planetary gear arrangement to compensate for the new design of the sun gear member and sun gear shaft. Several design modifications are disclosed in order to reduce the diameter of the planetary gear arrangement and its inclusive members. For example, the ring gear is chamfered to allow for additional clearance so that the planetary gear arrangement and the electronic motor package can be more compact when sun gear has separable sun gear members. In addition to packaging considerations, material costs, fatigue life requirements, and manufacturability of relevant transmission components were governing concerns in the redesign of the sun gear member and sun gear shaft.</description><language>eng</language><subject>ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ; ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES ; AUXILIARY DRIVES FOR VEHICLES ; BLASTING ; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; DYNAMO-ELECTRIC MACHINES ; ELECTRICITY ; ENGINEERING ELEMENTS AND UNITS ; GEARING ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; GENERATION ; HEATING ; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES ; LIGHTING ; MECHANICAL ENGINEERING ; PERFORMING OPERATIONS ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE ; THERMAL INSULATION IN GENERAL ; TRANSPORTING ; VEHICLES IN GENERAL ; WEAPONS</subject><creationdate>2007</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=20070327&DB=EPODOC&CC=US&NR=7195575B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20070327&DB=EPODOC&CC=US&NR=7195575B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KEMPF GREGORY W</creatorcontrib><title>Splined sun gear and method for compact electro-mechanical transmission</title><description>This invention relates to a sun gear member and sun gear shaft providing improved manufacturing time and material cost savings. 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This invention further relates to the packaging of a compact electro-mechanical transmission specifically as it pertains to the redesign of the planetary gear arrangement to compensate for the new design of the sun gear member and sun gear shaft. Several design modifications are disclosed in order to reduce the diameter of the planetary gear arrangement and its inclusive members. For example, the ring gear is chamfered to allow for additional clearance so that the planetary gear arrangement and the electronic motor package can be more compact when sun gear has separable sun gear members. In addition to packaging considerations, material costs, fatigue life requirements, and manufacturability of relevant transmission components were governing concerns in the redesign of the sun gear member and sun gear shaft.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERATION HEATING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS |
| title | Splined sun gear and method for compact electro-mechanical transmission |
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