CONTROL DEVICE FOR AUTOMATIC TRANSMISSION
PROBLEM TO BE SOLVED: To provide a control device for an automatic transmission capable of restricting reduction of the discharged amount of a mechanical oil pump even if air is mixed in the hydraulic fluid.SOLUTION: This control device for the automatic transmission includes a flow rate control mec...
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| creator | WATANABE MASAKI SASAKI TOSHINORI KOZUMA DAISUKE MUROTA KAZUYA NAKAMURA ARATA |
| description | PROBLEM TO BE SOLVED: To provide a control device for an automatic transmission capable of restricting reduction of the discharged amount of a mechanical oil pump even if air is mixed in the hydraulic fluid.SOLUTION: This control device for the automatic transmission includes a flow rate control mechanism configured to lead a part of the hydraulic fluid, which is discharged from the mechanical oil pump, into the mechanical oil pump when a differential pressure between an upstream side and a downstream side of a narrow part provided in a discharge passage, in which the hydraulic fluid discharged from the mechanical oil pump flows, becomes larger than a predetermined value. In the case wherein oil temperature of the hydraulic fluid is equal to or higher than a predetermined oil temperature (S102) and wherein an engine torque is equal to or lower than a predetermined engine torque (S103), air mixed in the hydraulic fluid is compressed by increasing the line pressure as the differential rotating speed increases (S105). |
| format | Patent |
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In the case wherein oil temperature of the hydraulic fluid is equal to or higher than a predetermined oil temperature (S102) and wherein an engine torque is equal to or lower than a predetermined engine torque (S103), air mixed in the hydraulic fluid is compressed by increasing the line pressure as the differential rotating speed increases (S105).</description><language>eng</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>2013</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=20130107&DB=EPODOC&CC=JP&NR=2013002582A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20130107&DB=EPODOC&CC=JP&NR=2013002582A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WATANABE MASAKI</creatorcontrib><creatorcontrib>SASAKI TOSHINORI</creatorcontrib><creatorcontrib>KOZUMA DAISUKE</creatorcontrib><creatorcontrib>MUROTA KAZUYA</creatorcontrib><creatorcontrib>NAKAMURA ARATA</creatorcontrib><title>CONTROL DEVICE FOR AUTOMATIC TRANSMISSION</title><description>PROBLEM TO BE SOLVED: To provide a control device for an automatic transmission capable of restricting reduction of the discharged amount of a mechanical oil pump even if air is mixed in the hydraulic fluid.SOLUTION: This control device for the automatic transmission includes a flow rate control mechanism configured to lead a part of the hydraulic fluid, which is discharged from the mechanical oil pump, into the mechanical oil pump when a differential pressure between an upstream side and a downstream side of a narrow part provided in a discharge passage, in which the hydraulic fluid discharged from the mechanical oil pump flows, becomes larger than a predetermined value. In the case wherein oil temperature of the hydraulic fluid is equal to or higher than a predetermined oil temperature (S102) and wherein an engine torque is equal to or lower than a predetermined engine torque (S103), air mixed in the hydraulic fluid is compressed by increasing the line pressure as the differential rotating speed increases (S105).</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>2013</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNB09vcLCfL3UXBxDfN0dlVw8w9ScAwN8fd1DPF0VggJcvQL9vUMDvb09-NhYE1LzClO5YXS3AxKbq4hzh66qQX58anFBYnJqXmpJfFeAUYGhsYGBkamFkaOxkQpAgCJtCT7</recordid><startdate>20130107</startdate><enddate>20130107</enddate><creator>WATANABE MASAKI</creator><creator>SASAKI TOSHINORI</creator><creator>KOZUMA DAISUKE</creator><creator>MUROTA KAZUYA</creator><creator>NAKAMURA ARATA</creator><scope>EVB</scope></search><sort><creationdate>20130107</creationdate><title>CONTROL DEVICE FOR AUTOMATIC TRANSMISSION</title><author>WATANABE MASAKI ; SASAKI TOSHINORI ; KOZUMA DAISUKE ; MUROTA KAZUYA ; NAKAMURA ARATA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2013002582A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2013</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>WATANABE MASAKI</creatorcontrib><creatorcontrib>SASAKI TOSHINORI</creatorcontrib><creatorcontrib>KOZUMA DAISUKE</creatorcontrib><creatorcontrib>MUROTA KAZUYA</creatorcontrib><creatorcontrib>NAKAMURA ARATA</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WATANABE MASAKI</au><au>SASAKI TOSHINORI</au><au>KOZUMA DAISUKE</au><au>MUROTA KAZUYA</au><au>NAKAMURA ARATA</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>CONTROL DEVICE FOR AUTOMATIC TRANSMISSION</title><date>2013-01-07</date><risdate>2013</risdate><abstract>PROBLEM TO BE SOLVED: To provide a control device for an automatic transmission capable of restricting reduction of the discharged amount of a mechanical oil pump even if air is mixed in the hydraulic fluid.SOLUTION: This control device for the automatic transmission includes a flow rate control mechanism configured to lead a part of the hydraulic fluid, which is discharged from the mechanical oil pump, into the mechanical oil pump when a differential pressure between an upstream side and a downstream side of a narrow part provided in a discharge passage, in which the hydraulic fluid discharged from the mechanical oil pump flows, becomes larger than a predetermined value. In the case wherein oil temperature of the hydraulic fluid is equal to or higher than a predetermined oil temperature (S102) and wherein an engine torque is equal to or lower than a predetermined engine torque (S103), air mixed in the hydraulic fluid is compressed by increasing the line pressure as the differential rotating speed increases (S105).</abstract><oa>free_for_read</oa></addata></record> |
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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 | CONTROL DEVICE FOR AUTOMATIC TRANSMISSION |
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