| US 7,455,132 B2 | ||
| Hydraulic axle combination | ||
| Barun Acharya, Johnson City, Tenn. (US); and Xingen Dong, Greeneville, Tenn. (US) | ||
| Assigned to Parker-Hannifin Corporation, Cleveland, Ohio (US) | ||
| Filed on Apr. 24, 2006, as Appl. No. 11/409,604. | ||
| Claims priority of provisional application 60/676384, filed on Apr. 29, 2005. | ||
| Prior Publication US 2007/0029118 A1, Feb. 08, 2007 | ||
| Int. Cl. B60K 17/28 (2006.01) | ||
| U.S. Cl. 180—53.4 [180/6.48] | 34 Claims |
| 1. A hydraulic axle combination comprising:
a housing having a first pump chamber and a second pump chamber;
a first hydrostatic pump, having a first pump shaft, rotatably mounted within said first pump chamber;
a second hydrostatic pump, having a second pump shaft, rotatably mounted within said second pump chamber;
an input shaft, mounted in and extending into said housing, having a gear, mounted on an intermediate portion thereof, supplying
torque to an intermeshing input gear mounted on one end of each of said first and second pump shafts;
a first hydraulic motor in operative interconnection with said first hydrostatic pump;
a second hydraulic motor in operative interconnection with said second hydrostatic pump; and
each of said first and second hydraulic motors including a respective first and second coaxial, rotatably journalled, output
shaft, said first and second output shafts serving as respective first and second axle shafts.
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