B - Operations – Transporting – 60 – K
Patent
B - Operations, Transporting
60
K
74/140
B60K 41/16 (1990.01)
Patent
CA 1277513
A B S T R A C T A hydraulic control for automatic vehicle tranmissions whereby shifting valves actuate the clutches/brakes by means of an operating pressure. The shifting points of the downshift valves and the operating pressure, being governed by engine load (accelerator pedal setting) and speed, and being fed, as control pressure (throttle and regulator pressures), to the downshift valves. In the case of supercharged engines, for the purpose of influencing the quality of the shifting, the intake pressure is also fed to at least one shifting valve, as a control pressure either directly or through a pressure converter pressure. The intake pressure is passed to the spring chamber in the shifting valve, thus supporting the pressure of the spring upon the piston, and the contact pressure of the clutch or brake to be released is increased.
508312
Furtner Horst
Gerteiser Eugen
Gierer Georg
Furtner Horst
Gerteiser Eugen
Gierer Georg
Swabey Ogilvy Renault
Zahnradfabrik Friedrichshafen Aktiengesellschaft
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