VARIABLE DUCT APPARATUS FOR VEHICLE

• Main Author: HIJIKATA KENJI
• Format: Patent
• Language: English
• Published: 02.10.2014
• Subjects: 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; COOLING OF INTERNAL-COMBUSTION ENGINES; COOLING OF MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; HEATING; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; STEAM ENGINES; 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

A variable duct apparatus for a vehicle including first and second louvers to rotate around first and second axes to open and closed positions, the variable duct apparatus including: a link to connect first and second louvers; first and second stoppers disposed at the first and second louvers to control the first and second louvers at an open position; a motor to rotate the first louver; and a control device to perform an opening or closing operation for rotating the first louver to the open or closed position by supplying current to the electric motor until a lock current is detected. The control device includes an abnormality determining unit to determine that an operating state is abnormal when an operating angle of the first louver from a start of the opening or closing operation until detection of the lock current is out of a predetermined reference operating angle range.