F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
74/116
F16H 47/08 (2006.01)
Patent
CA 1073245
CONTROL ARRANGEMENT FOR VARIABLE POWER TRANSMISSION ABSTRACT OF THE DISCLOSURE In a multi-speed planetary gear including a planet gear carrier connected to one of the primary or secondary shafts, planet gears mounted thereon each including at least two gear sections at different diameters and at least three annular gears, i.e. sun or ring gears engaging said gear section, each of the annular gears including a friction coupling for fixing the same relative to the casing, and a servo-motor non-rotatively mounted in the casing for controlling each of the friction couplings. A multi-position control valve controls the flow of pressurized fluid separately to each of the servo-motors. A low capacity high pressure pump delivers pressurized fluid to the control valve and a non-return valve connected in parallel with the low capacity high pressure pump opens when the servo-motor is filled. A torque converter, preferably of the releasable bladed component type may be included between the vehicle motor and the planetary gear, and in that case a control device for controlling the position of the releasable member can be operable in response to movement of the control valve.
265164
Ahlen Karl G.
Bergstrom Per-Olof
Supanich Joseph J.
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