An electric work vehicle includes a casing structure connected to a vehicle frame and having a central casing, a left casing, and a right casing. The vehicle further includes a left rear wheel supported by the left casing, a right rear wheel supported by the right casing, a left motor housed in a le
An electric work vehicle includes a casing structure connected to a vehicle frame and having a central casing, a left casing, and a right casing. The vehicle further includes a left rear wheel supported by the left casing, a right rear wheel supported by the right casing, a left motor housed in a left region of the central casing, a right motor housed in a right region of the central casing, a left transmission mechanism housed in the left casing for transmitting power from the left motor to the left rear wheel, and a right transmission mechanism housed in the right casing for transmitting power from the right motor to the right rear wheel.
대표청구항▼
1. An electric work vehicle comprising: a vehicle frame;a casing structure connected to the vehicle frame, and including a left casing, a right casing, and a central casing;a left rear wheel supported by the left casing;a right rear wheel supported by the right casing;a left motor housed in a left r
1. An electric work vehicle comprising: a vehicle frame;a casing structure connected to the vehicle frame, and including a left casing, a right casing, and a central casing;a left rear wheel supported by the left casing;a right rear wheel supported by the right casing;a left motor housed in a left region of the central casing;a right motor housed in a right region of the central casing;a left transmission mechanism housed in the left casing to transmit power from the left motor to the left rear wheel; anda right transmission mechanism housed in the right casing to transmit power from the right motor to the right rear wheel,wherein the central casing extends in a transverse direction of the vehicle, the left casing extends rearward in a fore-and-aft direction of the vehicle from a left end of the central casing, the right casing extends rearward in the fore-and-aft direction of the vehicle from a right end of the central casing, andwherein the work vehicle further comprises a left rear-axle casing mounted on a left side of the left casing and extending between the left casing and an outer surface of the left rear wheel, and a right rear-axle casing mounted on a right side of the right casing and extending between the right casing and an outer surface of the right rear wheel. 2. The electric work vehicle according to claim 1, wherein the vehicle frame includes a left frame and a right frame, both of which extend in the fore-and-aft direction of the vehicle, and at least one cross beam connecting the left frame to the right frame, andwherein the left frame is connected to the left casing, and the right frame is connected to the right casing. 3. The electric work vehicle according to claim 1, wherein the central casing has a cylindrical shape and acts as a common housing for the left motor and the right motor. 4. An electric work vehicle comprising: a vehicle frame;a casing structure connected to the vehicle frame, and including a left casing, a right casing, and a central casing;a left rear wheel supported by the left casing;a right rear wheel supported by the right casing;a left motor housed in a left region of the central casing;a right motor housed in a right region of the central casing;a left transmission mechanism housed in the left casing to transmit power from the left motor to the left rear wheel;a right transmission mechanism housed in the right casing to transmit power from the right motor to the right rear wheel,a left rear-axle casing mounted on a left side of the left casing; anda right rear-axle casing mounted on a right side of the right casing,wherein the central casing has a common coolant channel for the left motor and the right motor. 5. An electric work vehicle comprising: a vehicle frame;a casing structure connected to the vehicle frame, and including a left casing, a right casing, and a central casing;a left rear wheel supported by the left casing;a right rear wheel supported by the right casing;a left motor housed in a left region of the central casing;a right motor housed in a right region of the central casing;a left transmission mechanism housed in the left casing to transmit power from the left motor to the left rear wheel;a right transmission mechanism housed in the right casing to transmit power from the right motor to the right rear wheel, andan implement motor for driving a work implement arranged in a space defined by the central casing, the left casing and the right casing. 6. An electric work vehicle comprising: a vehicle frame;a casing structure connected to the vehicle frame, and including a left casing, a right casing, and a central casing;a left rear wheel supported by the left casing;a right rear wheel supported by the right casing;a left motor housed in a left region of the central casing;a right motor housed in a right region of the central casing;a left transmission mechanism housed in the left casing to transmit power from the left motor to the left rear wheel; anda right transmission mechanism housed in the right casing to transmit power from the right motor to the right rear wheel,wherein the central casing extends in a transverse direction of the vehicle, the left casing mounted to the central casing and extends rearward of the central casing in a fore-and-aft direction of the vehicle from a left end of the central casing, the right casing mounted to the central casing and extends rearward of the central casing in the fore-and-aft direction of the vehicle from a right end of the central casing, andwherein the work vehicle further comprises a left rear-axle casing mounted to a left side of the left casing, and a right rear-axle casing mounted to a right side of the right casing. 7. The electric work vehicle according to claim 6, wherein the vehicle frame includes a left frame and a right frame, both of which extend in the fore-and-aft direction of the vehicle, and at least one cross beam connecting the left frame to the right frame, andwherein the left frame is connected to the left casing, and the right frame is connected to the right casing. 8. The electric work vehicle according to claim 6, wherein the central casing has a cylindrical shape and acts as a common housing for the left motor and the right motor. 9. An electric work vehicle comprising: a vehicle frame;a casing structure connected to the vehicle frame, and including a left casing, a right casing, and a central casing;a left rear wheel supported by the left casing;a right rear wheel supported by the right casing;a left motor housed in a left region of the central casing;a right motor housed in a right region of the central casing;a left transmission mechanism housed in the left casing to transmit power from the left motor to the left rear wheel; anda right transmission mechanism housed in the right casing to transmit power from the right motor to the right rear wheel,wherein the central casing extends in a transverse direction of the vehicle, the left casing mounted to the central casing and extends rearward of the central casing in a fore-and-aft direction of the vehicle from a left end of the central casing, the right casing mounted to the central casing and extends rearward of the central casing in the fore-and-aft direction of the vehicle from a right end of the central casing,wherein the central casing has a common coolant channel for the left motor and the right motor. 10. An electric work vehicle comprising: a vehicle frame;a casing structure connected to the vehicle frame, and including a left casing, a right casing, and a central casing;a left rear wheel supported by the left casing;a right rear wheel supported by the right casing;a left motor housed in a left region of the central casing;a right motor housed in a right region of the central casing;a left transmission mechanism housed in the left casing to transmit power from the left motor to the left rear wheel;a right transmission mechanism housed in the right casing to transmit power from the right motor to the right rear wheel, andan implement motor for driving a work implement arranged in a space defined by the central casing, the left casing and the right casing,wherein the central casing extends in a transverse direction of the vehicle, the left casing mounted to the central casing and extends rearward of the central casing in a fore-and-aft direction of the vehicle from a left end of the central casing, the right casing mounted to the central casing and extends rearward of the central casing in the fore-and-aft direction of the vehicle from a right end of the central casing.
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이 특허에 인용된 특허 (19)
White, Chris D.; Ormsby, Roger G.; Morczek, Stan J.; Valin, Douglas P., Apparatus and method for a dual drive axle.
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