Patent ID: 6626789
Filing Date: 2003-09-30
Classification: F16H

Abstract:
A transmission comprising:an input shaft; an output shaft; a stationary housing; first, second, and third planetary gearsets each comprising a first member, a second member, and a third member; a first interconnecting member continuously interconnecting said first member of said first planetary gearset with said first member of said second planetary gearset, a second interconnecting member continuously interconnecting said second member of said first planetary gearset with said second member of said second planetary gearset, a third interconnecting member continuously interconnecting said third member of said second planetary gearset with said first member of said third planetary gearset; said input shaft being continuously connected with at least one member of one of said planetary gearsets, and said output shaft being continuously connected to at least one member of said planetary gearsets that is not connected with said input shaft; and five selectively operable torque-transmitting mechanisms engageable in combinations of two to establish six forward speed ratios and one reverse speed ratio through said planetary gearsets between said input shaft and said output shaft wherein: a first of said torque-transmitting mechanisms is connectible between said second interconnecting member a said third member of said third planetary gearset, a second of said torque-transmitting mechanisms is connectible between said input shaft and said second interconnecting member, a third of said torque-transmitting mechanisms is connectible between said input shaft and said third interconnecting member, a fourth of said torque-transmitting mechanisms is connectible between said third member of said first planetary gearset and said stationary housing, and a fifth of said torque-transmitting mechanisms is connectible between said third member of said third planetary gearset and said stationary housing, or said first torque-transmitting mechanism is connected between said input shaft and said second interconnecting member, said second torque-transmitting mechanism is connectible between said output shaft and said second interconnecting member, said third torque-transmitting mechanism is connectible between said input shaft and said first interconnecting member, said fourth torque-transmitting mechanism is connectible between said first interconnecting member said stationary housing, and said fifth torque-transmitting mechanism is connectible between said third member of said first planetary gearset and said stationary housing, or said first torque-transmitting mechanism is connectible between said input shaft and said second interconnecting member, said second torque-transmitting mechanism is connectible between said output shaft and said second interconnecting member, said third torque-transmitting mechanism is connectible between said input shaft and said third member of said first planetary gearset, said fourth torque-transmitting mechanism is connectible between said first interconnecting member and said stationary housing, and said fifth torque-transmitting mechanism is connectible between said third member of said first lane gearset and said stationary housing, or said first torque-transmitting mechanism is connectible between said input shaft and said third interconnecting member, said second torque-transmitting mechanism is connectible between said third member of said first planetary gearset and said third member of said third planetary gearset, said third torque-transmitting mechanism is connectible between said output shaft and said third member of said first planetary gearset, said fourth torque-transmitting mechanism is connectible between said first interconnecting member and said stationary housing, and said fifth torque-transmitting mechanism is connectible between said third member of said third planetary gearset and said stationary housing, or said first torque-transmitting mechanism is connectible between said first interconnecting member and said third member of said third planetary gearset, said second torque-transmitting mechanism is connectible between said input shaft and said first interconnecting member, said third torque-transmitting mechanism is connectible between said output shaft and said third interconnecting member, said fourth torque-transmitting mechanism is connectible between said second interconnecting member and said stationary housing, and said fifth torque-transmitting mechanism is connectible between said third member of said third planetary gearset and said stationary housing, or said first torque-transmitting mechanism is connectible between said second interconnecting member and said output shaft, said second torque-transmitting mechanism is connectible between said first interconnecting member and said third member of said third planetary gearset, said third torque-transmitting mechanism is connectible between said input shaft and said first interconnect member, said fourth torque-transmitting mechanism is connectible between said second line connecting member and said stationary housing and said fifth torque-transmitting mechanism is connectible between said third member of said third planetary gearset and said stationary housing, or said first torque-transmitting mechanism is connectible between said first interconnecting member and said third member of said third planetary gearset, said second torque-transmitting mechanism is connectible between said input shaft and said first interconnecting member, said third torque-transmitting mechanism is connectible between said input shaft and said third member of said third planetary gearset, said fourth torque-transmitting mechanism is connectible between said second interconnecting member and said stationary housing, and said fifth torque-transmitting mechanism is connectible between said third member of said third planetary gearset and said stationary housing, or said first torque-transmitting mechanism is correctible between said second interconnecting member and said third interconnecting member, said second torque-transmitting mechanism is connectible between said first interconnecting member and said third member of said third planetary gearset, said third torque-transmitting mechanism is connectible between said input shaft and said first interconnecting member, said fourth torque-transmitting mechanism is connectible between said second interconnecting member and said stationary housing, and said fifth torque-transmitting mechanism is connectible between said third member of said third planetary gearset and said stationary housing, or said first torque-transmitting mechanism is connectible between said first interconnecting member and said third member of said first planetary gearset, said second torque-transmitting mechanism is connectible between said third member of said first planetary gearset and said third member of said third planetary gearset, said third torque-transmitting mechanism is connectible between said third member of said first planetary gearset and said output shaft, said fourth torque-transmitting mechanism is connectible between said first interconnecting member and said stationary housing, and said fifth torque-transmitting mechanism is connectible between said third member of said third planetary gearset and said stationary housing, or said first torque-transmitting mechanism is connectible between said input shaft and said first interconnecting member, and second torque-transmitting mechanism is connectible between said first interconnecting member and said third member of said third planetary gearset, said third torque-transmitting mechanism is connectible between said input shaft and said third member of said third planetary gearset, said fourth torque-transmitting mechanism is connectible between said third member of said first planetary gearset and said stationary housing, and said fifth torque-transmitting mechanism is connectible between said third member of said third planetary gearset and said stationary housing, or said first torque-transmitting mechanism is connectible between said input shaft and said second interconnecting member and said output shaft, said third torque-transmitting mechanism is connectible between said input shaft and said third member of said first planetary gearset, said fourth torque-transmitting mechanism is connectible between said first interconnecting member and said stationary housing, and said fifth torque-transmitting mechanism is connectible between said third member of said third planetary gearset and said stationary housing.