Planetary Gearbox Oil Channel Layout for Smaller High-Pressure Units

The patent divides the high-pressure volume units into multiple smaller units (first, second, third, and fourth high-pressure volume units) distributed across different planetary gear meshing zones. This segmentation allows each unit to have optimized, smaller volume while collectively providing sufficient high-pressure oil supply, thereby improving transmission efficiency and responsiveness without oversimplifying the overall structure.

The patent introduces a multi-dimensional oil channel network that connects high-pressure volume units through both internal channels within the planetary carrier assembly and external channels on the casing. This dimensional expansion of the oil distribution system enables efficient pressure equalization and oil flow management across distributed volume units, resolving the contradiction between volume size and transmission efficiency.

By segmenting the high-pressure volume into multiple smaller units, each unit can be manufactured with standard tolerances and assembled into the complete system. This approach maintains manufacturing simplicity while the distributed architecture ensures that oil pressure builds up faster and responds more quickly to operational changes, eliminating the time loss associated with large-volume units.

The patent introduces oil channels and throttles as intermediary elements that connect the segmented high-pressure volume units. These intermediaries facilitate rapid oil flow and pressure equalization between units, ensuring responsive transmission efficiency while allowing each unit to be manufactured independently with simplified processes.

The patent segments the high-pressure volume into multiple smaller, distributed units. Each unit has smaller internal clearance and shorter oil paths, which reduces the total leakage area and improves sealing efficiency. The segmented structure maintains overall structural simplicity while minimizing energy loss through leakage, thereby improving mechanical efficiency.

The patent employs a hydraulic oil circulation system with carefully designed oil channels and throttles to manage pressure distribution across the segmented high-pressure volume units. This hydraulic approach ensures that oil is delivered efficiently to each unit with minimal pressure loss and leakage, maintaining structural simplicity while reducing energy loss.

The patent segments the high-pressure volume generation into multiple independent zones, each associated with a planetary gear meshing point. This segmentation allows the system to achieve high transmission efficiency through distributed pressure generation without requiring excessive throttle displacement, as each segment contributes to the overall efficiency independently.

The patent optimizes the parameters of the segmented high-pressure volume units, including their volumes, positions, and connection channel characteristics. By carefully adjusting these parameters, the system achieves high transmission efficiency with minimal throttle displacement, avoiding the structural complexity that would result from adding more planetary gears solely for coincidence improvement.