Abstract: The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least seven forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having six torque-transmitting mechanisms. A fixed interconnection continuously connects members of the first and second planetary gear sets with the transmission housing. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting mechanisms provide interconnections between various gear members, the input shaft, the output shaft, and with the transmission housing, and are operated in combinations of three to establish at least seven forward speed ratios and one reverse speed ratio.

Abstract: The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least seven forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having six torque-transmitting mechanisms and a fixed interconnection. Also, one planetary gear member is continuously connected with the transmission housing. The powertrain includes an engine and torque converter that is continuously connected to at least one of the planetary gear members and an output member that is continuously connected with at least one of the planetary gear members. The six torque-transmitting mechanisms provide interconnections between various gear members, the fixed interconnection, the input shaft, the output shaft, and the transmission housing, and are operated in combinations of two to establish at least seven forward speed ratios and at least one reverse speed ratio.

Abstract: The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least five forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets and four clutches. The powertrain includes an engine and torque converter that is continuously connected to at least one member of the planetary gear arrangement and an output member that is continuously connected with another of the planetary gear members. At least one other planetary gear member is continuously connected with the transmission housing. The four clutches provide interconnections between various gear members and with the input and the output shaft, and are operated in combinations of two to establish at least five forward speed ratios.

Abstract: The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least seven forward speed ratios and at least one reverse speed ratio. The transmission family members include three planetary gear sets having six torque-transmitting mechanisms and two fixed interconnections. Also, one planetary gear member is continuously connected with the transmission housing. The powertrain includes an engine and torque converter that is continuously connected to at least one of the planetary gear members and an output member that is continuously connected with at least one of the planetary gear members. The six torque-transmitting mechanisms provide interconnections between various gear members, the fixed interconnections, the input shaft, the output shaft, and the transmission housing, and are operated in combinations of two to establish at least seven forward speed ratios and one reverse speed ratio.

Abstract: The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least seven forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having six torque-transmitting mechanisms and a fixed interconnection. Also, one planetary gear member is continuously connected with the transmission housing. The powertrain includes an engine and torque converter that is continuously connected to at least one of the planetary gear members and an output member that is continuously connected with at least one of the planetary gear members. The six torque-transmitting mechanisms provide interconnections between various gear members, the fixed interconnection, the input shaft, the output shaft, and the transmission housing, and are operated in combinations of two to establish at least seven forward speed ratios and at least one reverse speed ratio.

Abstract: A family of transmissions incorporating three planetary gearsets and five torque-transmitting mechanisms is effective in a powertrain to produce at least six forward speed ratios and one reverse speed ratio between a transmission input shaft and a transmission output shaft. The planetary gearsets each have three planetary gear members in which two of the planetary gearsets have two members continuously interconnected and one of those planetary gearsets and the remaining planetary gearset have two members continuously interconnected. The remaining planetary gearset has one member continuously connected with the transmission housing and the transmission output shaft is continuously connected with at least one member of the planetary gearsets. The planetary gearsets have members that are selectively interconnected with the transmission input shaft through three selectively engageable torque-transmitting mechanisms.

Abstract: A family of multi-speed planetary transmissions has three planetary gearsets each with three planetary members and five torque-transmitting mechanisms. The transmission also has two interconnecting members, one of which interconnects a member of each of the planetary gearsets, and the other of which interconnects two members of the planetary gearsets. All of the transmission family members include one member continuously connected with a stationary member or transmission housing. In each family member, the input shaft of the transmission is selectively connectible with the planetary gearsets through three of the torque-transmitting mechanisms. The output shaft of the transmission is continuously connected with at least one member of the planetary gearset. The torque-transmitting mechanisms are selectively engaged in combinations of two to establish at least six forward speed ratios and one reverse speed ratio.

Abstract: A family of multi-speed planetary transmissions has three planetary gearsets each with three planetary members and five torque-transmitting mechanisms. The transmission also has two interconnecting members, one of which interconnects a member of each of the planetary gearsets, and the other of which interconnects two members of the planetary gearsets. All of the transmission family members include one member continuously connected with a stationary member or transmission housing. In each family member, the input shaft of the transmission is selectively connectible with the planetary gearsets through three of the torque-transmitting mechanisms. The output shaft of the transmission is continuously connected with at least one member of the planetary gearset. The torque-transmitting mechanisms are selectively engaged in combinations of two to establish at least six forward speed ratios and one reverse speed ratio.

Abstract: A family of power transmissions includes three planetary gearsets and five torque-transmitting mechanisms that are selectively engaged to produce at least six forward speed ratios and one reverse speed ratio between an input shaft and an output shaft. The planetary gearsets are arranged such that a member of the first of the planetary gearsets is continuosly interconnected with a member of the second planetary gearset, and a member of the second planetary gearset is continuously interconnected with a member of the third planetary gearset. At least one member of either the first or second planetary gearset is continuously connected with a transmission housing and at least one member of one of the planetary gearsets is connected with the transmission output shaft. The transmission input shaft is selectively connectible with the planetary gearsets only through at least two rotating type torque-transmitting mechanisms.

Abstract: The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least seven forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets with two brakes, four clutches and three fixed interconnections. The powertrain includes an engine and torque converter that is continuously connected to at least one member of the planetary gear arrangement and an output member that is continuously connected with another of the planetary gear members. The two brakes and four clutches provide interconnections between various gear members and with the transmission housing, the input or output shaft, and the three fixed interconnections, and are operated in combinations of two to establish at least seven forward speed ratios.

Abstract: The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least seven forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having six torque-transmitting mechanisms and two fixed interconnections. Also, one planetary gear member is continuously connected with the transmission housing. The powertrain includes an engine and torque converter that is not continuously connected to any of the planetary gear members and an output member that is continuously connected with at least one of the planetary gear members. The six torque-transmitting mechanisms provide interconnections between various gear members and with the input shaft, output shaft, and transmission housing, and are operated in combinations of three to establish at least seven forward speed ratios and one reverse speed ratio.

Abstract: The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least seven forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having six torque-transmitting mechanisms and two fixed interconnections. Also, one planetary gear member is continuously connected with the transmission housing. The powertrain includes an engine and torque converter that is continuously connected to at least one of the planetary gear members and an output member that is continuously connected with at least one of the planetary gear members. The six torque-transmitting mechanisms provide interconnections between various gear members, the fixed interconnections, the input shaft, the output shaft, and the transmission housing, and are operated in combinations of two to establish at least seven forward speed ratios and at least one reverse speed ratio.

Abstract: A family of transmissions has a plurality of members each of which includes three planetary gearsets, five torque-transmitting mechanisms, an input shaft, and an output shaft. The torque-transmitting mechanisms are selectively engageable in combinations of three to establish at least six forward speed ratios and one reverse speed ratio between the input shaft and the output shaft of each family member. Each family member has two continuous interconnecting members, one of which interconnects a member the first planetary gearset with a member of the second planetary gearset, and the second of which connects another member of the second planetary gearset with a member of the third planetary gearset. The five torque-transmitting mechanisms complete the connections between the planetary gear members and/or the transmission housing which are necessary to provide the six forward speed ratios and one reverse speed ratio.

Abstract: The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least five forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets and four clutches. The powertrain includes an engine and torque converter that is continuously connected to at least one member of the planetary gear arrangement and an output member that is continuously connected with another of the planetary gear members. At least one member of the first and second planetary gear sets is continuously connected with the transmission housing. The four clutches provide interconnections between various gear members and with the input and the output shaft, and are operated in combinations of two to establish at least five forward speed ratios and one reverse speed ratio.

Abstract: The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least seven forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets and six torque-transmitting mechanisms. The powertrain includes an engine and torque converter that is continuously connected to at least one member of the planetary gear arrangement and an output member that is continuously connected with another of the planetary gear members. A fixed interconnection is provided between a member of the first planetary gear set and a member of the second planetary gear set. The six torque-transmitting mechanisms provide interconnections between various gear members and with the transmission housing, and are operated in combinations of four to establish at least seven forward speed ratios and one reverse speed ratio.

Abstract: A family of transmissions has a plurality of members each of which includes three planetary gearsets, five torque-transmitting mechanisms, an input shaft, and an output shaft. The torque-transmitting mechanisms are selectively engageable in combinations of three to establish at least six forward speed ratios and one reverse speed ratio between the input shaft and the output shaft of each family member. Each family member has two continuous interconnecting members, one of which interconnects a member the first planetary gearset with a member of the second planetary gearset, and the second of which connects another member of the second planetary gearset with a member of the third planetary gearset. The five torque-transmitting mechanisms complete the connections between the planetary gear members and/or the transmission housing which are necessary to provide the six forward speed ratios and one reverse speed ratio.

Abstract: A family of power transmissions includes three planetary gearsets, each of which has three members, and six torque-transmitting mechanisms, which are selectively engageable to establish at least seven forward speed ratios and one reverse speed ratio between a transmission input shaft and a transmission output shaft. Each of the family members has a first member of the first planetary gearset continuously interconnected with a first member of the second planetary gearset, a second member of the second planetary gearset continuously interconnected with a first member of the third planetary gearset, and a second member of the first planetary gearset continuously interconnected with either a third member of the second planetary gearset or a second member of the third planetary gearset. One member of the first planetary gearset is continuously interconnected with a transmission housing, and a transmission output shaft is continuously interconnected with at least one member of one the planetary gearsets.

Abstract: A family of six-speed planetary transmissions incorporates three planetary gearsets and five torque-transmitting mechanisms to produce at least six forward speed ratios and one reverse speed ratio. The planetary gearsets are interconnected with three interconnecting members. The first of the interconnecting members continuously interconnects a first member of each of the first and second planetary gearsets, a second of the interconnecting members continuously interconnects a second member of each of the first and second planetary gearsets, and a third of the interconnecting members continuously interconnects a member of the second planetary gearset with a member of the third planetary gearset. The output shaft is continuously interconnected with at least one member of the planetary gearsets. The transmission input shaft is selectively connectible with members of the planetary gearsets through at least two of the five torque-transmitting mechanisms.

Abstract: A family of power transmissions includes three planetary gearsets and five torque-transmitting mechanisms that are selectively engaged to produce at least six forward speed ratios and one reverse speed ratio between an input shaft and an output shaft. The planetary gearsets are arranged such that a member of the first of the planetary gearsets is continuously interconnected with a member of the second planetary gearset, and a member of the second planetary gearset is continuously interconnected with a member of the third planetary gearset. At least one member of either the first or second planetary gearset is continuously connected with a transmission housing and at least one member of one of the planetary gearsets is connected with the transmission output shaft. The transmission input shaft is selectively connectible with the planetary gearsets only through at least two rotating type torque-transmitting mechanisms.

Abstract: The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least seven forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having six torque-transmitting mechanisms and one fixed interconnection. Also, one planetary gear member is continuously connected with the transmission housing. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting mechanisms provide interconnections between various gear members and with the transmission housing, and are operated in combinations of three to establish at least seven forward speed ratios and one reverse speed ratio.