F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
74/100
F16H 1/38 (1980.01)
Patent
CA 1133283
ABSTRACT OF THE DISCLOSURE The invention provides a simple, yet highly accurate device for synchronizing the speeds of two power-driven machines having separate, variable speed power-drives. A pair of shafts are respectively connected to the two machines and mounted in opposed concentric relationship for rotation in opposite directions at rates respectively proportional to the speed of rotation of the two machines. A differential unit is connected between the two shafts, such unit having equal size input and output sun gears respectively connected to the shafts. The plane- tary output of the differential unit is connected to a speed control element for at least one of the motors respectively driv- ing the machines to vary the speed of such machine to bring it into rotational synchronization with the other machine. In ac- cordance with a modification of the invention, if angular syn- chronization is also desired, a one-way clutch is provided between one of the shafts and its respective machine which is disengageable by a minimal torque produced by a difference in the rotational speed of the two shafts, and re-engages only in a fixed angular position when the two shafts are again brought into rotational synchronization.
386354
G. Ronald Bell & Associates
Owens-Illinois Inc.
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