Patent ID: 8959905
Filing Date: 2015-02-24
Classification: B60K,F16H,Y02T

Abstract:
1. A hydrostatic drive system, comprising: a motor-drivable hydraulic pump; first and second hydraulic drive units coupled to said hydraulic pump by first and second working lines forming a hydraulic circuit and dynamically coupled to one another operatively; a gear set connected to said drive unit; a first hydraulic accumulator for storage of pressure energy being connectable to said first working line; a second hydraulic accumulator being connectable to said second working line; and first and second valve devices in said first and second working lines, respectively, able to separate first and second segments of said first and second working lines, respectively, extending to and between said drive units to separate an accumulator part including said hydraulic accumulators and said drive unit from a part of said hydraulic circuit including said hydraulic pump.