Bent Axis Motor Valve Plate for Variable Hydraulic Balancing
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Solution Overview
Problem
Current bent axis motors have fixed balancing during manufacturing, which is not adjustable during operation, leading to inefficiencies in mechanical and volumetric performance across varying environments.
Innovation Solution
A valve plate with grooves and ports is used to automatically adjust balancing by fluid flow, allowing for variable balancing based on pressure differentials, enhancing mechanical and volumetric efficiency across a wider range of conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If balancing is set high during manufacturing, then volumetric efficiency is improved, but mechanical efficiency deteriorates
Solution Approach 1:
The valve plate incorporates grooves that enable dynamic adjustment of balancing during operation through fluid flow. The grooves allow fluid to fill and drain automatically based on pressure differentials, changing the balancing characteristic from fixed to variable. This resolves the contradiction by allowing the system to optimize between volumetric and mechanical efficiency depending on operating conditions.
Solution Approach 2:
The invention changes the balancing parameter from a fixed geometric characteristic set during manufacturing to a variable parameter controlled by fluid pressure. The grooves in the valve plate enable the balancing force to be adjusted by changing fluid pressure levels, allowing the system to adapt between high volumetric efficiency (high balancing) and high mechanical efficiency (low balancing) based on operational requirements.
2Loss of energy
If balancing is set low during manufacturing, then mechanical efficiency is improved, but volumetric efficiency deteriorates
Solution Approach 1:
The valve plate incorporates grooves that enable dynamic adjustment of balancing during operation through fluid flow. The grooves allow fluid to fill and drain automatically based on pressure differentials, changing the balancing characteristic from fixed to variable. This resolves the contradiction by allowing the system to optimize between high mechanical efficiency (low balancing) and high volumetric efficiency (high balancing) depending on operational conditions.
Solution Approach 2:
The invention changes the balancing parameter from a fixed geometric characteristic set during manufacturing to a variable parameter controlled by fluid pressure. The grooves in the valve plate enable the balancing force to be adjusted by changing fluid pressure levels, allowing the system to adapt between low balancing (high mechanical efficiency) and high balancing (high volumetric efficiency) based on operational requirements.
3Ease of operation
If a dedicated regulator is used to control pressure, then balancing adjustment is improved, but device complexity increases
Solution Approach 1:
The valve plate with grooves enables self-regulating balancing adjustment without requiring external regulators. The grooves automatically fill and drain based on pressure differentials between chambers, allowing the system to self-adjust balancing based on operating conditions. This eliminates the need for complex dedicated regulators while maintaining balancing adjustment capability.
Solution Approach 2:
The invention uses hydraulic fluid flow through the grooves to control balancing automatically. The fluid pressure differentials drive the filling and draining of grooves, creating a hydraulic self-regulation mechanism that replaces complex mechanical or electro-hydraulic regulators with a simpler fluid-based control system.
4Device complexity
If balancing is fixed during manufacturing, then device complexity is reduced, but adaptability deteriorates
Solution Approach 1:
The valve plate incorporates grooves that enable dynamic adjustment of balancing during operation through fluid flow. The grooves allow fluid to fill and drain automatically based on pressure differentials, changing the balancing characteristic from fixed to variable. This resolves the contradiction by allowing the system to adapt to different environmental and operational conditions while maintaining relatively simple structure.
Solution Approach 2:
The invention changes the balancing parameter from a fixed geometric characteristic set during manufacturing to a variable parameter controlled by fluid pressure. The grooves in the valve plate enable the balancing force to be adjusted by changing fluid pressure levels, allowing the system to adapt to different operating environments without requiring complex adjustable mechanisms.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution enables automatic adjustment of balancing without actuation, improving mechanical and volumetric efficiency by optimizing fluid distribution and pressure management within the bent axis piston motor.
Implementation Method 1
a balancing of the valve plate may be adjusted automatically via fluid flow filling at least one or more of the grooves
Implementation Method 2
allowing for variable balancing based on pressure differentials
Data Source
AI summary
Methods and systems for a bent axis motor are described. In one example, a bent axis motor includes a valve plate coupled to at least one piston of a cylinder block, the valve plate comprising a first plurality of grooves spaced about openings of the valve plate on a first side of the valve plate facing the cylinder block, the valve plate further comprising a second plurality of grooves arranged on a second side of the valve plate facing away from the cylinder block.