Automatically detecting number of working cylinders of motor vehicle - repeatedly checking ratio of engine to wheel speed against ignition rate to assumed number of cylinders
A method of automatically detecting the number of cylinders of a vehicle engine involves measuring the vehicle speed and drive wheel revolution rate nR during a constant speed period and the number E of ignition or injection pulses per unit time for all cylinders. The ratio nM/nR is determined from...
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| creator | UTA, PETER KLAUS, 3211 EIME, DE SIGL, ALFRED., 7126 SERSHEIM, DE |
| description | A method of automatically detecting the number of cylinders of a vehicle engine involves measuring the vehicle speed and drive wheel revolution rate nR during a constant speed period and the number E of ignition or injection pulses per unit time for all cylinders. The ratio nM/nR is determined from 2E/(Z.nR), where nM is the engine speed and Z the assumed number of cylinders. This is compared with stored ratios and the process repeated with different values of Z until agreement is reached. USE/ADVANTAGE - Drive slip controllers for automatic engine type encoding for programming according to vehicle type after first journey. |
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The ratio nM/nR is determined from 2E/(Z.nR), where nM is the engine speed and Z the assumed number of cylinders. This is compared with stored ratios and the process repeated with different values of Z until agreement is reached. USE/ADVANTAGE - Drive slip controllers for automatic engine type encoding for programming according to vehicle type after first journey.</description><language>eng ; ger</language><subject>ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL ; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ; ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS ; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES ; AUXILIARY DRIVES FOR VEHICLES ; BLASTING ; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL ; COMBUSTION ENGINES ; COMBUSTION ENGINES IN GENERAL ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES ; INTERNAL-COMBUSTION PISTON ENGINES ; LIGHTING ; MEASURING ; MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE ; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR ; MECHANICAL ENGINEERING ; PERFORMING OPERATIONS ; PHYSICS ; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES ; TARIFF METERING APPARATUS ; TESTING ; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES ; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR ; TRANSPORTING ; VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF ; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES ; VEHICLES IN GENERAL ; WEAPONS</subject><creationdate>1991</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=19910411&DB=EPODOC&CC=DE&NR=3933654A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19910411&DB=EPODOC&CC=DE&NR=3933654A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>UTA, PETER KLAUS, 3211 EIME, DE</creatorcontrib><creatorcontrib>SIGL, ALFRED., 7126 SERSHEIM, DE</creatorcontrib><title>Automatically detecting number of working cylinders of motor vehicle - repeatedly checking ratio of engine to wheel speed against ignition rate to assumed number of cylinders</title><description>A method of automatically detecting the number of cylinders of a vehicle engine involves measuring the vehicle speed and drive wheel revolution rate nR during a constant speed period and the number E of ignition or injection pulses per unit time for all cylinders. 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SIGL, ALFRED., 7126 SERSHEIM, DE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_DE3933654A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; ger</language><creationdate>1991</creationdate><topic>ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL</topic><topic>ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES</topic><topic>ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES</topic><topic>ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS</topic><topic>ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES</topic><topic>AUXILIARY DRIVES FOR VEHICLES</topic><topic>BLASTING</topic><topic>BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL</topic><topic>COMBUSTION ENGINES</topic><topic>COMBUSTION ENGINES IN GENERAL</topic><topic>HEATING</topic><topic>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</topic><topic>INSTRUMENTATION OR DASHBOARDS FOR VEHICLES</topic><topic>INTERNAL-COMBUSTION PISTON ENGINES</topic><topic>LIGHTING</topic><topic>MEASURING</topic><topic>MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE</topic><topic>MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR</topic><topic>MECHANICAL ENGINEERING</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES</topic><topic>TARIFF METERING APPARATUS</topic><topic>TESTING</topic><topic>TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES</topic><topic>TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR</topic><topic>TRANSPORTING</topic><topic>VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF</topic><topic>VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES</topic><topic>VEHICLES IN GENERAL</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>UTA, PETER KLAUS, 3211 EIME, DE</creatorcontrib><creatorcontrib>SIGL, ALFRED., 7126 SERSHEIM, DE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>UTA, PETER KLAUS, 3211 EIME, DE</au><au>SIGL, ALFRED., 7126 SERSHEIM, DE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Automatically detecting number of working cylinders of motor vehicle - repeatedly checking ratio of engine to wheel speed against ignition rate to assumed number of cylinders</title><date>1991-04-11</date><risdate>1991</risdate><abstract>A method of automatically detecting the number of cylinders of a vehicle engine involves measuring the vehicle speed and drive wheel revolution rate nR during a constant speed period and the number E of ignition or injection pulses per unit time for all cylinders. The ratio nM/nR is determined from 2E/(Z.nR), where nM is the engine speed and Z the assumed number of cylinders. This is compared with stored ratios and the process repeated with different values of Z until agreement is reached. USE/ADVANTAGE - Drive slip controllers for automatic engine type encoding for programming according to vehicle type after first journey.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BLASTING BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INSTRUMENTATION OR DASHBOARDS FOR VEHICLES INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICS PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES TARIFF METERING APPARATUS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR TRANSPORTING VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES VEHICLES IN GENERAL WEAPONS |
| title | Automatically detecting number of working cylinders of motor vehicle - repeatedly checking ratio of engine to wheel speed against ignition rate to assumed number of cylinders |
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