VEHICLE-SPEED RESTRICTION DEVICE

PROBLEM TO BE SOLVED: To materialize a suitable vehicle speed restriction device to regulate vehicle acceleration to a fixed value by using a sub throttle valve in a vehicle having an Otto cycle engine such as a CNG engine mounted thereon. SOLUTION: This device is provided with a main throttle valve...

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Bibliographische Detailangaben
Hauptverfasser:	MIYATA TATSUJI, HIKIRI KUNIHIKO
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CONTROLLING COMBUSTION ENGINES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INSTRUMENTATION OR DASHBOARDS FOR VEHICLES INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To materialize a suitable vehicle speed restriction device to regulate vehicle acceleration to a fixed value by using a sub throttle valve in a vehicle having an Otto cycle engine such as a CNG engine mounted thereon. SOLUTION: This device is provided with a main throttle valve 1 operated in response to accelerator operation, a means (not indicated) supplying fuel of quantity corresponding to intake air quantity to an upper stream of the main throttle, the sub throttle valve 2 for controlling air fuel mixture quantity sucked in the engine, and a means 3 controlling sub throttle opening to make actual vehicle speed not exceed a regulation speed. The means 3 controlling sub throttle opening is provided with a means 11 calculating base sub throttle opening based on the actual vehicle speed and main throttle opening, a means 12 performing feed back control of correction amount of sub throttle opening to converge deviation of the actual speed and the regulation speed to 0 based on the same, and a means 13 determining control amount of sub throttle opening based on base sub throttle opening and feed back correction amount. COPYRIGHT: (C)2005,JPO&NCIPI