Verfahren zur Bestimmung des Abschaltkriteriums einer Bremsmittelpumpe in einer Fahrzeugbremsanlage
The invention relates to a method for determining the change-over criterion between two operating states of a braking means pump in a vehicle brake system. A prepressure can be generated on the suction side of said braking means pump by means of a controllable brake booster which actuates the brake...
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| creator | PFEIFLE, EBERHARD STEINER, MANFRED LAUER, CARSTEN KIESEWETTER, WOLFGANG |
| description | The invention relates to a method for determining the change-over criterion between two operating states of a braking means pump in a vehicle brake system. A prepressure can be generated on the suction side of said braking means pump by means of a controllable brake booster which actuates the brake master cylinder. In addition, the braking means pump is required for the active build-up of a brake pressure, for example, for the driving dynamic controls. Said build-up is independent of the actuation of the brake pedal. The aim of the invention is to reduce the development of noise which results from excess generation of pressure. A fixed given value does not serve as a change-over criterion of the braking means pump, rather, a value which is determined according to a characteristic value (K) is used. In addition, the given standard characteristic curve for the relationship between the deceleration of the vehicle and a value which represents the pedal travel of the brake pedal are stored. A vehicle-specific comparison characteristic curve is established when the brake is actuated by assigning an obtained vehicle deceleration (aFzg) to a value (sMem) which represents the pedal travel of the brake pedal. The characteristic value (K) is then determined from the divergence established in this comparison. |
| format | Patent |
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A prepressure can be generated on the suction side of said braking means pump by means of a controllable brake booster which actuates the brake master cylinder. In addition, the braking means pump is required for the active build-up of a brake pressure, for example, for the driving dynamic controls. Said build-up is independent of the actuation of the brake pedal. The aim of the invention is to reduce the development of noise which results from excess generation of pressure. A fixed given value does not serve as a change-over criterion of the braking means pump, rather, a value which is determined according to a characteristic value (K) is used. In addition, the given standard characteristic curve for the relationship between the deceleration of the vehicle and a value which represents the pedal travel of the brake pedal are stored. A vehicle-specific comparison characteristic curve is established when the brake is actuated by assigning an obtained vehicle deceleration (aFzg) to a value (sMem) which represents the pedal travel of the brake pedal. The characteristic value (K) is then determined from the divergence established in this comparison.</description><edition>6</edition><language>ger</language><subject>ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL ; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL ; PERFORMING OPERATIONS ; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES ; TRANSPORTING ; VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF ; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES ; VEHICLES IN GENERAL</subject><creationdate>1999</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=19990902&DB=EPODOC&CC=DE&NR=19807749A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19990902&DB=EPODOC&CC=DE&NR=19807749A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PFEIFLE, EBERHARD</creatorcontrib><creatorcontrib>STEINER, MANFRED</creatorcontrib><creatorcontrib>LAUER, CARSTEN</creatorcontrib><creatorcontrib>KIESEWETTER, WOLFGANG</creatorcontrib><title>Verfahren zur Bestimmung des Abschaltkriteriums einer Bremsmittelpumpe in einer Fahrzeugbremsanlage</title><description>The invention relates to a method for determining the change-over criterion between two operating states of a braking means pump in a vehicle brake system. A prepressure can be generated on the suction side of said braking means pump by means of a controllable brake booster which actuates the brake master cylinder. In addition, the braking means pump is required for the active build-up of a brake pressure, for example, for the driving dynamic controls. Said build-up is independent of the actuation of the brake pedal. The aim of the invention is to reduce the development of noise which results from excess generation of pressure. A fixed given value does not serve as a change-over criterion of the braking means pump, rather, a value which is determined according to a characteristic value (K) is used. In addition, the given standard characteristic curve for the relationship between the deceleration of the vehicle and a value which represents the pedal travel of the brake pedal are stored. A vehicle-specific comparison characteristic curve is established when the brake is actuated by assigning an obtained vehicle deceleration (aFzg) to a value (sMem) which represents the pedal travel of the brake pedal. The characteristic value (K) is then determined from the divergence established in this comparison.</description><subject>ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL</subject><subject>BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL</subject><subject>PERFORMING OPERATIONS</subject><subject>PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES</subject><subject>TRANSPORTING</subject><subject>VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF</subject><subject>VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES</subject><subject>VEHICLES IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1999</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNzEEOgjAUhGE2Lox6h3IAE4kmyBIV4gGMW1LqUF5sa9PXbji9mHAAV7P4v8w6U0-EQY4BTkwpiAs4krXJafECi7pnNUoT34EiAiXLAuQwuwDLlmKE8cl6CHJLaeezCUn3PyGdkRrbbDVIw9gtu8nytnlc73v4Twf2UsEhdremqM6HsjxVdXH8x3wBLxU_qQ</recordid><startdate>19990902</startdate><enddate>19990902</enddate><creator>PFEIFLE, EBERHARD</creator><creator>STEINER, MANFRED</creator><creator>LAUER, CARSTEN</creator><creator>KIESEWETTER, WOLFGANG</creator><scope>EVB</scope></search><sort><creationdate>19990902</creationdate><title>Verfahren zur Bestimmung des Abschaltkriteriums einer Bremsmittelpumpe in einer Fahrzeugbremsanlage</title><author>PFEIFLE, EBERHARD ; STEINER, MANFRED ; LAUER, CARSTEN ; KIESEWETTER, WOLFGANG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_DE19807749A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>ger</language><creationdate>1999</creationdate><topic>ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL</topic><topic>BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL</topic><topic>PERFORMING OPERATIONS</topic><topic>PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES</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><toplevel>online_resources</toplevel><creatorcontrib>PFEIFLE, EBERHARD</creatorcontrib><creatorcontrib>STEINER, MANFRED</creatorcontrib><creatorcontrib>LAUER, CARSTEN</creatorcontrib><creatorcontrib>KIESEWETTER, WOLFGANG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>PFEIFLE, EBERHARD</au><au>STEINER, MANFRED</au><au>LAUER, CARSTEN</au><au>KIESEWETTER, WOLFGANG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Verfahren zur Bestimmung des Abschaltkriteriums einer Bremsmittelpumpe in einer Fahrzeugbremsanlage</title><date>1999-09-02</date><risdate>1999</risdate><abstract>The invention relates to a method for determining the change-over criterion between two operating states of a braking means pump in a vehicle brake system. A prepressure can be generated on the suction side of said braking means pump by means of a controllable brake booster which actuates the brake master cylinder. In addition, the braking means pump is required for the active build-up of a brake pressure, for example, for the driving dynamic controls. Said build-up is independent of the actuation of the brake pedal. The aim of the invention is to reduce the development of noise which results from excess generation of pressure. A fixed given value does not serve as a change-over criterion of the braking means pump, rather, a value which is determined according to a characteristic value (K) is used. In addition, the given standard characteristic curve for the relationship between the deceleration of the vehicle and a value which represents the pedal travel of the brake pedal are stored. A vehicle-specific comparison characteristic curve is established when the brake is actuated by assigning an obtained vehicle deceleration (aFzg) to a value (sMem) which represents the pedal travel of the brake pedal. The characteristic value (K) is then determined from the divergence established in this comparison.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL PERFORMING OPERATIONS PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES TRANSPORTING VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES VEHICLES IN GENERAL |
| title | Verfahren zur Bestimmung des Abschaltkriteriums einer Bremsmittelpumpe in einer Fahrzeugbremsanlage |
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