11-04-2013 дата публикации
Номер: US20130087411A1
A selectable flow divider drive system includes a hydraulic fluid reservoir and a plurality of drive motors in fluid communication with the hydraulic fluid reservoir. A hydraulic pump is connected between the hydraulic fluid reservoir and the plurality of drive motors and directs hydraulic fluid from the hydraulic fluid reservoir to the plurality of motors. The hydraulic pump is operable in a high flow condition and a low flow condition. A flow divider component is interposed between the hydraulic pump and the plurality of motors. The flow divider component selectively divides hydraulic fluid flow to each of the plurality of drive motors, where a flow divider of the flow divider component is sized for the low flow condition of the hydraulic pump. A bypass valve is disposed upstream of the flow divider that selectively bypasses the flow divider when the hydraulic pump is operated in the high flow condition. 1. A selectable flow divider drive system comprising:a hydraulic fluid reservoir;a plurality of drive motors in fluid communication with the hydraulic fluid reservoir;a hydraulic pump connected between the hydraulic fluid reservoir and the plurality of drive motors, the hydraulic pump directing hydraulic fluid from the hydraulic fluid reservoir to the plurality of motors, wherein the hydraulic pump is operable in a high flow condition and a low flow condition;a flow divider component interposed between the hydraulic pump and the plurality of motors, the flow divider component selectively dividing hydraulic fluid flow to each of the plurality of drive motors, wherein a flow divider of the flow divider component is sized for the low flow condition of the hydraulic pump; anda bypass valve disposed upstream of the flow divider, the bypass valve selectively bypassing the flow divider when the hydraulic pump is operated in the high flow condition.2. A selectable flow divider drive system according to claim 1 , further comprising a bypass solenoid valve in fluid ...
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