LEISTUNGSÜBERWACHUNGSVORRICHTUNG FÜR EIN ELEKTROFAHRZEUG
A system (10) and method for monitoring usage of current immediately available from the traction batteries (12) of an electric vehicle includes a means (18) for generating a signal representative of the current being drawn from the batteries (12); a means (20) for generating a signal representative...
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| creator | IMPULLITTI, F SWAY-TIN, MIN MEIR, S ZAWACKI, A ROTERMANN, THADDEUS |
| description | A system (10) and method for monitoring usage of current immediately available from the traction batteries (12) of an electric vehicle includes a means (18) for generating a signal representative of the current being drawn from the batteries (12); a means (20) for generating a signal representative of the maximum current available from the batteries (12) for immediate use; and a means (22) responsive to the drawn-current signal and the maximum-available-current signal for generating a usage signal representing the ratio of drawn current to maximum-available current. A display, such as an analog meter (24) responsive to the usage signal and calibrated from zero-percent to one-hundred-percent available current usage, displays the transitory current usage as a percentage of maximum-available current. Where the batteries (12) supply current to both the vehicle's traction motors (14) and noncritical electrical components (16), a relay (28) responsive to the usage signal sheds the noncritical component's load from the batteries (12) when current usage rises above a given level. A current limiter (30) responsive to the usage signal is preferably also provided to limit the supply of current to the traction motors (14) when current usage rises above a still higher level. |
| format | Patent |
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A display, such as an analog meter (24) responsive to the usage signal and calibrated from zero-percent to one-hundred-percent available current usage, displays the transitory current usage as a percentage of maximum-available current. Where the batteries (12) supply current to both the vehicle's traction motors (14) and noncritical electrical components (16), a relay (28) responsive to the usage signal sheds the noncritical component's load from the batteries (12) when current usage rises above a given level. A current limiter (30) responsive to the usage signal is preferably also provided to limit the supply of current to the traction motors (14) when current usage rises above a still higher level.</description><edition>7</edition><language>ger</language><subject>CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION ; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES ; PERFORMING OPERATIONS ; TECHNICAL SUBJECTS COVERED BY FORMER USPC ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE ; TRANSPORTING ; VEHICLES IN GENERAL</subject><creationdate>2003</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=20031120&DB=EPODOC&CC=DE&NR=69529841T2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20031120&DB=EPODOC&CC=DE&NR=69529841T2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>IMPULLITTI, F</creatorcontrib><creatorcontrib>SWAY-TIN, MIN</creatorcontrib><creatorcontrib>MEIR, S</creatorcontrib><creatorcontrib>ZAWACKI, A</creatorcontrib><creatorcontrib>ROTERMANN, THADDEUS</creatorcontrib><title>LEISTUNGSÜBERWACHUNGSVORRICHTUNG FÜR EIN ELEKTROFAHRZEUG</title><description>A system (10) and method for monitoring usage of current immediately available from the traction batteries (12) of an electric vehicle includes a means (18) for generating a signal representative of the current being drawn from the batteries (12); a means (20) for generating a signal representative of the maximum current available from the batteries (12) for immediate use; and a means (22) responsive to the drawn-current signal and the maximum-available-current signal for generating a usage signal representing the ratio of drawn current to maximum-available current. A display, such as an analog meter (24) responsive to the usage signal and calibrated from zero-percent to one-hundred-percent available current usage, displays the transitory current usage as a percentage of maximum-available current. Where the batteries (12) supply current to both the vehicle's traction motors (14) and noncritical electrical components (16), a relay (28) responsive to the usage signal sheds the noncritical component's load from the batteries (12) when current usage rises above a given level. 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A display, such as an analog meter (24) responsive to the usage signal and calibrated from zero-percent to one-hundred-percent available current usage, displays the transitory current usage as a percentage of maximum-available current. Where the batteries (12) supply current to both the vehicle's traction motors (14) and noncritical electrical components (16), a relay (28) responsive to the usage signal sheds the noncritical component's load from the batteries (12) when current usage rises above a given level. A current limiter (30) responsive to the usage signal is preferably also provided to limit the supply of current to the traction motors (14) when current usage rises above a still higher level.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING VEHICLES IN GENERAL |
| title | LEISTUNGSÜBERWACHUNGSVORRICHTUNG FÜR EIN ELEKTROFAHRZEUG |
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