All concentric multi-range synchronous shifting hydromechanical

Details All concentric multi-range synchronous shifting hydromechanical All concentric multi-range synchronous shifting hydromechanical

1978-01-25

1979-08-14

Chandler, Lance W.

Machine element or mechanism

Elements

Gear casings

747205, 74759, F16H 4704, F16H 3706, F16H 5710

Patent

active

041641558

ABSTRACT:
A multi-range synchronous shifting concentric gear train package having two inputs and a single output which when connected to a mechanical input and to the output of an infinitely variable drive device (shown as a hydrostatic component) powered by the same mechanical input with the input axes aligned with the center of rotation of the components of the gear package forms an all concentric multi-range synchronous shifting hydro-mechanical transmission. The combination of the same gear train package with mechanical and hydrostatic inputs in combination with right and left output planetary gear sets and a hydrostatic steer arrangement powered by the same mechanical input forms a hydromechanical steering transmission having a concentric gear train package. Gear train elements for exchanging the rotational movement of inner and outer shafts of a set of concentric shafts to permit implementation of the concentric gear train package are also disclosed in detail.

REFERENCES:
patent: 3118319 (1964-01-01), Straub
patent: 3199376 (1965-08-01), DeLalio
patent: 3410157 (1968-11-01), Livezey
patent: 3492891 (1970-02-01), Livezey
patent: 3534632 (1970-10-01), Smith
patent: 3596535 (1971-08-01), Polar
patent: 3603176 (1971-09-01), Tipping et al.
patent: 3667321 (1972-06-01), Manrice
patent: 3722324 (1973-03-01), Cordner et al.

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