Infinitely variable hydrostatic transmission drive

Details Infinitely variable hydrostatic transmission drive Infinitely variable hydrostatic transmission drive

1991-09-06

1992-11-03

Mitchell, David M.

Motor vehicles

Power

Including traction motor of kind driven by noncompressible...

60484, B60K 17356

Patent

active

051599929

ABSTRACT:
An infinitely variable hydrostatic transmission drive for self-propelled machines having a plurality of transmission motors which are fed from a common displaceable transmission-drive pump, at least one variable displacement motor having a swashplate which can be swung back into a zero position and at least one fixed displacement motor are provided in hydraulic parallel circuit. The motors operate in at least one case via a common back gearing on a common output, a shift coupling being provided between the variable displacement motor and an output.

REFERENCES:
patent: 3320829 (1967-05-01), Cull
patent: 3421389 (1969-01-01), Fauchere
patent: 3513654 (1970-05-01), Engel
patent: 3637036 (1972-01-01), Swisher, Jr. et al.
patent: 4069884 (1978-01-01), Morrow, Sr. et al.

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