Logico valve system for transmission control.

A transmission control having a plurality of HYDRAULIC VALVES SOLENOID CONTROLLED TO OPERATE SELECTIVELY CONTROLLING THE ESTABLISHMENT OF VARIOUS RATIOS transmission in a six-speed transmission. LOGICA valve (18) comprising two valve spools (46,68) and a solenoid (36), IS WILLING ENRE HYDRAULIC VALVES SOLENOID CONTROLLED DRIVES AND FRICTION (C1-C5) SOME IN THE TRANSMISSION ESTABLISHING THE DIFFERENT RATIOS ACIONAMIENTO. REELS VALVE WORK TO ESTABLISH THE FOURTH SPEED IN THE EVENT THAT OCCURS A dysfunctionality TO OPERATE IN THE SIXTH SPEED, OR TO ESTABLISH THE THIRD SPEED IF PRODUCE A electrical malfunction while running in the first, second or third SPEED ADVANCE. Alternatively, REELS CAN BE CONTROLLED VALVE FOR ESTABLISHING THE FOURTH SPEED WHEN A DYSFUNCTION TO BE TAKE PLACE IN THE SECOND SPEED TRANSMISSION, THROUGH THE FIFTH.