Automatic transmission and vehicle

An automatic transmission comprising:

• a first axis for inputting the power,
• a second axis for outputting the driving force source,
• at least one or more first gear group which consists of a drive gear fixed on said first axis, and a driven gear provided so as to engage or run idle with respect to said second axis with being engaged with said drive gear, and
• at least one or more second gear group which consists of a drive gear fixed on said second axis, and a driven gear provided so as to engage or run idle with respect to said first axis with being engaged with said drive gear,
• further comprising a torque transferring mechanism provided between said first gear group and said second gear group, and
• wherein the torque is transferred from said 1st axis to said 2nd axis with this torque transferring mechanism.

An automatic transmission comprising:

• a first axis for inputting the power,
• a second axis for outputting the driving force source,
• at least one or more first gear group which consists of a drive gear fixed on said first axis, and a driven gear provided so as to engage or run idle with respect to said second axis with being engaged with said drive gear, and
• at least one or more second gear group which consists of a drive gear fixed on said second axis, and a driven gear provided so as to engage or run idle with respect to said first axis with being engaged with said drive gear,
• further comprising a torque transferring mechanism provided between said first gear group and said second gear group, and
• wherein the torque is transferred from said 1st axis to said 2nd axis with this torque transferring mechanism while shifting.

An automatic transmission comprising:

• a first axis for inputting the power,
• a second axis for outputting the driving force source,
• at least one or more first gear group which consists of a drive gear fixed on said first axis, and a driven gear provided so as to engage or run idle with respect to said second axis with being engaged with said drive gear, and
• at least one or more second gear group which consists of a drive gear fixed on said second axis, and a driven gear provided so as to engage or run idle with respect to said first axis with being engaged with said drive gear,
• further comprising a torque transferring mechanism for transfering the torque between said drive gear which can run idle with respect to said first axis and said drive gear fixed to said first axis

An automatic transmission comprising:

• a first axis for inputting the power,
• a second axis for outputting the driving force source,
• at least one or more first gear group which consists of a drive gear fixed on said first axis, and a driven gear provided so as to engage or run idle with respect to said second axis with being engaged with said drive gear,
• at least one or more second gear group which consists of a drive gear fixed on said second axis, and a driven gear provided so as to engage or run idle with respect to said first axis with being engaged with said drive gear,
• further comprising a first gear engaged with said driven gear which can run idle with respect to said first axis, a second gear engaged with said drive gear fixed to said first axis, and a torque transferring means for transferring the torque between said first gear and said second gear.

An automatic transmission comprising:

• a first axis for inputting the power,
• a second axis for outputting the driving force source,
• at least one or more first gear group which consists of a drive gear fixed on said first axis, and a driven gear provided so as to engage or run idle with respect to said second axis with being engaged with said drive gear,
• at least one or more second gear group which consists of a drive gear fixed on said second axis, and a driven gear provided so as to engage or run idle with respect to said first axis with being engaged with said drive gear,
• further comprising a first gear engaged with said drive gear which can run idle with respect to said second axis, a second gear engaged with said driven gear fixed to said second axis, and a torque transferring means for transferring the torque between said first gear and said second gear in said torque transferring mechanism,
• wherein the first gear, the second gear and the torque transferring means are provided on another axis different from said first axis and said second axis.

An automatic transmission comprising:

• a first axis for inputting the power,
• a second axis for outputting the driving force source,
• at least one or more first gear group which consists of a drive gear fixed on said first axis, and a driven gear provided so as to engage or run idle with respect to said second axis with being engaged with said drive gear, and
• at least one or more second gear group which consists of a drive gear fixed on said second axis, and a driven gear provided so as to engage or run idle with respect to said first axis with being engaged with said drive gear,
• further comprising a torque transferring mechanism for transfering the torque between said driven gear which can run idle with respect to said second axis and said driven gear fixed to said second axis,
• wherein when said driven gear of said first gear group runs idle, the torque is transferred from said first axis to said second axis through a driven gear which runs idle with respect to said drive gear of said first gear group, said torque transferring mechanism, and a driven gear of said second gear group, and when said driven gear of said first gear group is engaged to the second axis, the torque is transferred from said first axis to said second axis through the driven gear engaged to said drive gear of said first gear group.

A vehicle which installs automatic transmission comprising:

• a first axis for inputting the power,
• a second axis for outputting the driving force source,
• at least one or more first gear group which consists of a drive gear fixed on said first axis, and a driven gear provided so as to engage or run idle with respect to said second axis with being engaged with said drive gear, and
• at least one or more second gear group which consists of a drive gear fixed on said second axis, and a driven gear provided so as to engage or run idle with respect to said first axis with being engaged with said drive gear,
• wherein the shifting is done by switching from the torque transfer from said 1st axis to said 2nd axis by said 1st gear group or said 2nd gear group to the torque transfer from said 1st axis to said 2nd axis by another said 1st gear group or another said 2nd gear group different from said 1st gear group or said 2nd gear group,
• further comprising a torque transferring mechanism provided between one of said first gear groups and one of said said second gear groups in said transmission, and a shifting control means for transferring the torque from said 1st axis to said 2nd axis by said torque transferring mechanism while shifting,
• wherein the amount of the back and forth accelaration change generated in said vehicle while shifting is controlled by said shift control means so as to fall within 1.0 m/s2.

A vehicle which installs an automatic transmission comprising:

• a first axis for inputting the power,
• a second axis for outputting the driving force source,
• at least one or more first gear group which consists of a drive gear fixed on said first axis, and a driven gear provided so as to engage or run idle with respect to said second axis with being engaged with said drive gear,
• at least one or more second gear group which consists of a drive gear fixed on said second axis, and a driven gear provided so as to engage or run idle with respect to said first axis with being engaged with said drive gear,
• wherein the shifting is done by switching from the torque transfer from said 1st axis to said 2nd axis by said 1st gear group or said 2nd gear group to the torque transfer from said 1st axis to said 2nd axis by another said 1st gear group or another said 2nd gear group different from said 1st gear group or said 2nd gear group,
• further comprising a torque transferring mechanism provided between one of said first gear groups and one of said said second gear groups in said transmission, and a control means for controlling the shifting by selecting a shifting system in which the torque transfer from said 1st axis to said 2nd axis is performed by said torque transferring mechanism while shifting or a shifting system in which said torque transferring mechanism is not used,
• wherein the amount of the back and forth accelaration change generated in said vehicle while shifting is controlled by said control means so as to fall within 1.0 m/s2.