Patent ID: 8287427

Claim:
A method for regulating operation of a multi-mode hybrid transmission drivingly connectable to an engine, the method comprising: deactivating a first of at least two off-going clutches operable to control the transmission in a first electrically variable transmission (EVT) mode to transition into a first Electronic Torque Converter (ETC) mode; actuating a first of at least two oncoming clutches operable to control the transmission in a second EVT mode after deactivating said first of said at least two off-going clutches to transition into a second ETC mode; deactivating a second of said at least two off-going clutches operable to control the transmission in said first EVT mode after actuating said first of said at least two oncoming clutches to transition into a third ETC mode; and actuating a second of said at least two oncoming clutches operable to control the transmission in said second EVT mode after deactivating said second of said at least two off-going clutches to thereby transition the transmission into said second EVT mode; wherein the engine is in an off-state during deactivation of said first and second off-going clutches and actuation of said first and second oncoming clutches; and wherein said transition from said first EVT mode into said second EVT mode includes a lack of transition through a neutral mode and a lack of transition through a Fixed Gear (FG) mode, with the transmission continuously producing an output torque.