F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
74/223
F16H 55/56 (2006.01) F16H 61/662 (2006.01)
Patent
CA 1151444
D-4714 C-3282 A POSITION CONTROL MECHANISM FOR A VARIABLE DRIVE RATIO PULLEY SYSTEM Abstract of the Disclosure A variable drive ratio pulley system has longitudinally adjustable pulley halves operated by fluid pressure which acts on piston and cylinder structures operatively connected with the adjustable pulley halves. The fluid pressure in one of the piston and cylinder structures is controlled by a valve spool responsive to an actuator on which a lever member is pivotally disposed and maintained in abutment with the drive surface on the adjustable pulley half. The lever member also abuts a control rod which is linearly movable in response to command signals. Linear movement of the control rod initiates pivoting of the lever member and enforces or permits resultant linear movement of the actuator so that the spool valve is operated to change the pressure level operating on the piston thereby permitting movement of the pulley half resulting in a change of the drive ratio. The pulley also enforces pivoting of the lever and attendant linear movement of the actuator which causes the spool valve to return to its neutral position when the pulley half has attained the posi- tion demanded by the control rod.
385863
Sherman James F.
Vukovich William J.
General Motors Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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