Hydraulic Motor With Grooved Spool for Durability
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Solution Overview
Problem
Conventional motors are electromechanical or mechanical and face limitations such as restricted access to power sources and component failure, necessitating a more durable alternative.
Innovation Solution
A hydraulic motor design featuring a manifold member with a power generating member having a channeled grooved drive, comprising a spool with evenly spaced recessed grooves, where hydraulic oil flow engages the grooves to rotate the spool and generate power, allowing operation under high pressures and varying speeds.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional electromechanical motors are used, then power can be generated from standard power sources, but the motors are prone to component failure and have limited durability
Solution Approach 1:
The patent replaces electromechanical systems with a purely hydraulic system. The motor uses hydraulic fluid pressure to directly drive a spool with recessed grooves, eliminating motors, electrical components, and associated mechanical parts that are prone to failure. This substitution of hydraulic for electromechanical systems resolves the contradiction by improving reliability while maintaining functional simplicity.
Solution Approach 2:
The invention employs hydraulic principles by using pressurized fluid flowing through recessed grooves in a spool to generate rotational motion. The hydraulic system converts fluid pressure and flow directly into mechanical rotation without intermediate electromechanical conversion steps, thereby eliminating components subject to electrical and mechanical failure modes.
2Power
If hydraulic motor operates at high pressure, then power generation efficiency increases, but the system must withstand higher stress and pressure loads
Solution Approach 1:
The patent utilizes changes in hydraulic pressure and flow rate parameters to control motor output. By varying the pressure differential across the spool and the flow rate through the recessed grooves, the system can generate different power levels while managing stress loads. The design allows operation across a range of pressures (0-6000 psi) by adjusting these parameters.
Solution Approach 2:
The hydraulic motor design allows dynamic adjustment of operating conditions. The spool can rotate at varying speeds and the hydraulic system can adapt pressure and flow rates in real-time, enabling the system to optimize power generation while managing stress loads through dynamic parameter adjustment rather than fixed operating conditions.
3Speed
If the spool rotates faster, then power generation speed increases, but torque control becomes more difficult to maintain
Solution Approach 1:
The hydraulic system provides inherent feedback through fluid pressure and flow characteristics. As the spool rotates, the hydraulic fluid continuously interacts with the recessed grooves, creating a self-regulating effect where pressure differential and flow rate automatically adjust to maintain torque across varying speeds. This fluid dynamic feedback mechanism helps maintain torque control even as rotation speed changes.
Solution Approach 2:
The system maintains torque control across varying speeds by utilizing changes in hydraulic parameters. The pressure differential across the spool and flow rate through the grooves are adjusted in response to speed changes, allowing the system to compensate for speed variations and maintain consistent torque output through dynamic parameter modification.
Data Source
AI summary
A hydraulic motor is provided. The device includes a manifold member having an inner volume, a fluid inlet orifice and a fluid outlet orifice. The device further includes a power generating member having a channel grooved drive. The inner volume receives the power generating member within the inner volume and retains the power generating member within the inner volume. The power generating member rotates and generates power to be supplied to an external device in response to hydraulic fluid flowing into the manifold member through the inlet orifice and out of the manifold member through the outlet orifice.