Extended range hydromechanical steering transmission

Details Extended range hydromechanical steering transmission Extended range hydromechanical steering transmission

1987-09-18

1989-01-24

Braun, Leslie A.

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74687, F16H 470

Patent

active

047994010

ABSTRACT:
A simplified range changing mechanism for an infinitely variable, split output, synchronously shifting hydromechanical steering transmission having integral steering and four forward ranges wherein the first, second and third forward ranges have progressively lower torque and higher speed propulsion ratios, while the fourth forward range is basically a repeat of the second range, by at a higher gear ratio. Positive steer with constant steering torque ratio is maintained in all four ranges.

REFERENCES:
patent: 3442153 (1969-05-01), Ross
patent: 3575066 (1971-04-01), Livezey et al.
patent: 3596535 (1971-08-01), Polak
patent: 3815698 (1974-06-01), Reed
patent: 4183264 (1980-01-01), Reed
patent: 4345488 (1982-08-01), Reed
patent: 4485691 (1984-12-01), Reed
patent: 4682515 (1987-07-01), Reed

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