Automatic gearbox with a downshift function
The invention relates to a process for control of an automatic transmission in which a downshift function is initiated with the actuation of a brake pedal. For an automatic transmission () a downshift function is proposed in which, with the actuation of a brake pedal, a new downshift point (RA(NEU))...
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creator | Herbster, Kai-Uwe Schuler, Franz-Josef |
description | The invention relates to a process for control of an automatic transmission in which a downshift function is initiated with the actuation of a brake pedal.
For an automatic transmission () a downshift function is proposed in which, with the actuation of a brake pedal, a new downshift point (RA(NEU)) is calculated when the throttle valve is closed by adding to a basic downshift point (RS(ORD)) a characteristic variable (K) wherein the characteristic variable (K) is determined from a driving activity (FA) and a calculated brake pressure via a characteristic field. |
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For an automatic transmission () a downshift function is proposed in which, with the actuation of a brake pedal, a new downshift point (RA(NEU)) is calculated when the throttle valve is closed by adding to a basic downshift point (RS(ORD)) a characteristic variable (K) wherein the characteristic variable (K) is determined from a driving activity (FA) and a calculated brake pressure via a characteristic field.</description><language>eng</language><creationdate>2002</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6370464$$EPDF$$P50$$Guspatents$$Hfree_for_read</linktopdf><link.rule.ids>230,308,776,798,881,64012</link.rule.ids><linktorsrc>$$Uhttps://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6370464$$EView_record_in_USPTO$$FView_record_in_$$GUSPTO$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Herbster, Kai-Uwe</creatorcontrib><creatorcontrib>Schuler, Franz-Josef</creatorcontrib><creatorcontrib>ZF Friedrichshafen AG</creatorcontrib><title>Automatic gearbox with a downshift function</title><description>The invention relates to a process for control of an automatic transmission in which a downshift function is initiated with the actuation of a brake pedal.
For an automatic transmission () a downshift function is proposed in which, with the actuation of a brake pedal, a new downshift point (RA(NEU)) is calculated when the throttle valve is closed by adding to a basic downshift point (RS(ORD)) a characteristic variable (K) wherein the characteristic variable (K) is determined from a driving activity (FA) and a calculated brake pressure via a characteristic field.</description><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2002</creationdate><recordtype>patent</recordtype><sourceid>EFH</sourceid><recordid>eNrjZNB2LC3Jz00syUxWSE9NLErKr1AozyzJUEhUSMkvzyvOyEwrUUgrzUsuyczP42FgTUvMKU7lhdLcDApuriHOHrqlxQWJJal5JcXx6UWJIMrAzNjcwMTMxJgIJQBQViqE</recordid><startdate>20020409</startdate><enddate>20020409</enddate><creator>Herbster, Kai-Uwe</creator><creator>Schuler, Franz-Josef</creator><scope>EFH</scope></search><sort><creationdate>20020409</creationdate><title>Automatic gearbox with a downshift function</title><author>Herbster, Kai-Uwe ; Schuler, Franz-Josef</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-uspatents_grants_063704643</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2002</creationdate><toplevel>online_resources</toplevel><creatorcontrib>Herbster, Kai-Uwe</creatorcontrib><creatorcontrib>Schuler, Franz-Josef</creatorcontrib><creatorcontrib>ZF Friedrichshafen AG</creatorcontrib><collection>USPTO Issued Patents</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Herbster, Kai-Uwe</au><au>Schuler, Franz-Josef</au><aucorp>ZF Friedrichshafen AG</aucorp><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Automatic gearbox with a downshift function</title><date>2002-04-09</date><risdate>2002</risdate><abstract>The invention relates to a process for control of an automatic transmission in which a downshift function is initiated with the actuation of a brake pedal.
For an automatic transmission () a downshift function is proposed in which, with the actuation of a brake pedal, a new downshift point (RA(NEU)) is calculated when the throttle valve is closed by adding to a basic downshift point (RS(ORD)) a characteristic variable (K) wherein the characteristic variable (K) is determined from a driving activity (FA) and a calculated brake pressure via a characteristic field.</abstract><oa>free_for_read</oa></addata></record> |
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title | Automatic gearbox with a downshift function |
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