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US 2003/0150286 A1Published application
Automatic transmission
AssigneeHitachi, Ltd.
InventorsMitsuo Kayano, Toshimichi Minowa, Takashi Okada, Tatsuya Ochi, Hiroshi Sakamoto
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AssigneeHitachi, Ltd.
InventorsMitsuo Kayano, Toshimichi Minowa, Takashi Okada, Tatsuya Ochi, Hiroshi Sakamoto
Estimating the term…
A mesh-type automatic transmission comprises a power input shaft 300 for introducing power of an engine, a plurality of transmission gears 301, 303, 304, 306, 310, a plurality of cogged clutches 302, 305, 308, a power output shaft 323 for outputting driving force, a counter shaft 315, and a plurality of counter gears 314, 316, 317, 318, 322, for transmitting power of the engine to the power output shaft 323 by rotating the power input shaft 300 with the power of the engine, rotating the counter shaft 315 by rotation of the power input shaft 300, and transmitting rotation of the counter shaft 315 to the power output shaft 323 via the counter gears 314, 316, 317, 318, 322 with automatic gear change by engaging and disengaging the cogged clutches 302, 305, 308 to one of the transmission gears 301, 303, 304, 306, 310 corresponding to the speed, wherein the counter shaft 315 is provided with an assist mechanism 6 for transmitting rotational force of the power input shaft 300 to the power output shaft 323 by transmitting rotation of the counter shaft 315 via the assist gear 324, during the period of disengagement of a gear 301, 303, 304, 306, 310 to the engagement of a new gear 301, 303, 304, 306, 310 during gear change.
A mesh-type automatic transmission equipped with a power input shaft for introducing power of an engine, a plurality of transmission gears, a plurality of cogged clutches, a power output shaft for outputting driving force, a counter shaft, and a plurality of counter gears, for transmitting power of said engine to said power output shaft by rotating said power input shaft with the power of said engine, rotating said counter shaft by rotation of said power input shaft, and transmitting rotation of said counter shaft to said power output shaft via said counter gear with automatic transmission by engaging and disengaging said cogged clutch to one of said transmission gears corresponding to speed;
A mesh-type automatic transmission equipped with a power input shaft for introducing power of an engine, a power output shaft for outputting the driving force of the transmission, a counter shaft receiving the driving force that is transmitted from the power input shaft through a series of power input gears, a series of power output gears disposed between the counter shaft and the power output shaft, and cogged clutches provided between the series of power output gears and the power input shaft and between those power output gears and the power output shaft, the power of the engine being transmitted from the power input shaft to the power output shaft by the engagement and disengagement of the cogged clutches,
A mesh-type automatic transmission equipped with a power input shaft for introducing power of an engine, a power output shaft for outputting the driving force of the transmission, a counter shaft receiving the driving force that is transmitted from the power input shaft through a series of power input gears, a series of power output gears disposed between the counter shaft and the power output shaft, and cogged clutches provided between the series of power output gears and the power input shaft and between those power output gears and the power output shaft, the power of the engine being transmitted from the power input shaft to the power output shaft by the engagement and disengagement of the cogged clutches,
A mesh-type automatic transmission equipped with a power input shaft for introducing power of an engine, a power output shaft for outputting the driving force of the transmission, a counter shaft receiving the driving force that is transmitted from the power input shaft through a series of power input gears, a series of power output gears disposed between the counter shaft and the power output shaft, and cogged clutches provided between the series of power output gears and the power input shaft and between those power output gears and the power output shaft, the power of the engine being transmitted from the power input shaft to the power output shaft by the engagement and disengagement of the cogged clutches,
A mesh-type automatic transmission equipped with a power input shaft for introducing power of an engine, a power output shaft for outputting the driving force of the transmission, a counter shaft receiving the driving force that is transmitted from the power input shaft through a series of power input gears, a series of power output gears disposed between the counter shaft and the power output shaft, and cogged clutches provided between the series of power output gears and the power input shaft and between those power output gears and the power output shaft, the power of the engine being transmitted from the power input shaft to the power output shaft by the engagement and disengagement of the cogged clutches,
Dependencies are inferred from the claim text.