192 clutches and power-stop control – Clutches – Axially and transversely engaging
Reexamination Certificate
2007-03-13
2007-03-13
Bonck, Rodney H. (Department: 3681)
192 clutches and power-stop control
Clutches
Axially and transversely engaging
C192S066200, C192S09300C
Reexamination Certificate
active
10910181
ABSTRACT:
An infinitely-variable transmission consists of a rotational input member, a rotational output member, first and second non-circular driving gears coupled to one of the rotational members, and a plurality of variable velocity-ratio gear assemblies disposed about the one rotational member. Each gear assembly comprises an intermediate shaft including first and second non-circular driven gears respectively meshing with the first and second non-circular driving gears. Each gear assembly also comprises a multi-directional coupling associated with the pair of first driven/driving gears and the pair of second driven/driving gears, and an actuator associated with the coupling for coupling the first and second variable-ratio gear pairs to the rotational members. Preferably, the variable-ratio gear pairs for each gear assembly are coupled to the rotational members over an angular duration when the velocity ratios of both the variable-ratio gear pairs of the respective gear assembly are changing linearly so as to provide a uniform velocity ratio over that angular duration. Further, preferably the occurrences of these angular durations for each of the gear assemblies overlap or are at least coterminous so as to provide a continuously uniform velocity ratio between the rotational members. The transmission also includes a phase angle variator associated with the variable-ratio gear pairs for varying the rotational angular displacement between the first gear pairs and the second gear pairs of each gear assembly so as to vary the velocity ratio of the transmission as needed.
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Bonck Rodney H.
Clark Hill PLC
Ker-Train Holdings Ltd.
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