ELECTRIC VEHICLE DRIVE GEAR

• Main Author: MACHIDA SHOGO
• Format: Patent
• Language: English; Japanese
• Published: 03.03.2016
• 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; 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; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; PERFORMING OPERATIONS; 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

PROBLEM TO BE SOLVED: To provide an electric vehicle drive gear capable of canceling a motor locked state with a simple configuration and improving vehicle startability.SOLUTION: An electric vehicle drive gear 1 including a motor 10; a power transmission mechanism 20 transmitting a motor driving force to a first driving wheel and a second driving wheel; a clutch 50 constraining a difference between the first driving wheel and the second driving wheel; and fastening control means 90 controlling a fastening force of the clutch 50, comprises locked-state detection means 12 detecting a locked state of the motor 10, the fastening control means 90 reducing the clutch fastening force until the locked state is cancelled and subsequently increasing the clutch fastening force if a request to start the vehicle is generated and the locked state is detected.SELECTED DRAWING: Figure 3 【課題】簡素な構成によりモータのロック状態を解消しかつ車両の発進性能を向上可能な電動車両の駆動装置を提供する。【解決手段】モータ１０と、モータの駆動力を第１の駆動輪及び第２の駆動輪に伝達する動力伝達機構２０と、第１の駆動輪と第２の駆動輪との差動を拘束するクラッチ５０と、クラッチの締結力を制御する締結制御手段９０とを備える電動車両の駆動装置１を、モータのロック状態を検出するロック状態検出手段１２を備え、締結制御手段は、車両を発進させる要求がありかつロック状態が検出された場合に、クラッチの締結力をロック状態が解消するまで低減し、その後クラッチの締結力を増加させる構成とする。【選択図】図３