Hydraulic hybrid turbo-transmission

F - Mech Eng,Light,Heat,Weapons – 16 – H

Patent

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Details

F16H 41/22 (2006.01) F16H 39/06 (2006.01)

Patent

CA 2727050

Improvements in a transmission is provided for transferring power from a power source to a work unit. The pump transfers energy received from the power source into a fluid or gas. The first turbine is fixed to output shaft, and a plurality of additional turbines are fixed on either one-way overrunning clutches or multi-disc clutches and these clutches are fixed to the output shaft and after each turbine is a multi-valves that discharges the fluid or gas. After all of the multi-stage turbines a first planetary gear set connects the transmission to the vehicle or work unit. The second planetary gear set is located between the last turbine and the first planetary gear set. During braking the planetary gear set reverses turning direction of the turbines and convert the turbines into pumps where they will pump low pressure fluid to a high pressure accumulator.

Linvention concerne des améliorations relatives à une transmission conçue pour transférer une puissance dune source dalimentation à une unité de travail. La pompe transfère lénergie reçue de la source dalimentation dans un fluide ou un gaz. La première turbine est fixée à larbre de sortie, et une pluralité de turbines supplémentaires est fixée soit sur des embrayages unidirectionnels du type roues libres soit sur des embrayages multidisques, et ces embrayages sont fixés à larbre de sortie, un bloc multisoupapes agencé après chaque turbine permettant de déverser le fluide ou le gaz. Après toutes les turbines à plusieurs étages, un premier train planétaire relie la transmission au véhicule ou à lunité de travail. Le second train planétaire est situé entre la dernière turbine et le premier train planétaire. Lors du freinage, le train planétaire inverse la direction de rotation des turbines et convertit les turbines en pompes, destinées à pomper le fluide basse pression vers un accumulateur haute pression.

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