Gearbox Partial Vacuum Control With Switchable Siphon Oil Tank
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Solution Overview
Problem
Existing gearbox systems face inefficiencies due to lubricant and coolant losses, gas turbulence, and friction, especially at high speeds, which are not adequately addressed by previous technologies that rely on fixed vacuum pumps and manual valve operations, leading to suboptimal performance and maintenance challenges.
Innovation Solution
A gearbox arrangement featuring a vacuum pump, vacuum oil tank, oil pump, and automatic valves, controlled by a sensor unit and control unit that adjusts vacuum levels and oil flow based on real-time sensor data, enabling self-adjusting operation and extended maintenance intervals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a fixed vacuum pump and manual valve operations are used, then the gearbox can operate in partial vacuum, but the system requires frequent maintenance and has suboptimal performance
Solution Approach 1:
The control unit automatically monitors sensor data and adjusts the vacuum pump and oil pump operations without manual intervention. The system self-regulates vacuum levels and oil flow based on real-time conditions, eliminating the need for manual valve operations and improving overall system reliability.
Solution Approach 2:
Sensor units continuously monitor vacuum levels, oil pressure, and other parameters, providing feedback to the control unit. The control unit processes this information and automatically adjusts pump operations to maintain optimal conditions, enabling closed-loop control that improves performance and reduces maintenance requirements.
2Loss of energy
If vacuum levels are maintained to reduce gas turbulence and power losses, then energy efficiency improves, but the system requires complex control and monitoring
Solution Approach 1:
The control unit performs multiple functions: monitoring sensor data, controlling the vacuum pump, controlling the oil pump, and adjusting operational parameters. This multi-functional approach consolidates control requirements into a single device, reducing overall system complexity while maintaining energy efficiency through automated vacuum level management.
Solution Approach 2:
The system dynamically adjusts vacuum levels and oil flow parameters based on sensor feedback and operational conditions. By optimizing these parameters in real-time, the system minimizes power losses from gas turbulence while adapting to changing load and speed conditions, improving energy efficiency without requiring overly complex fixed-control systems.
3Device complexity
If manual operation and monitoring are used, then the system structure is simpler, but maintenance intervals are frequent and system security is reduced
Solution Approach 1:
Sensor units continuously monitor vacuum levels, oil pressure, temperature, and other critical parameters, providing real-time feedback to the control unit. This automated monitoring enables early detection of abnormal conditions, allowing the system to adjust operations or alert operators before failures occur, thereby extending maintenance intervals and improving system security.
Solution Approach 2:
The control unit automatically manages pump operations, valve positioning, and parameter adjustments based on sensor feedback, reducing the need for manual intervention and frequent maintenance. The system self-diagnoses and self-regulates, extending the time between maintenance cycles while improving overall system reliability and security.
4Stability of the object's composition
If the vacuum pump operates continuously to maintain partial vacuum, then vacuum levels are stable, but energy consumption increases
Solution Approach 1:
The control unit periodically adjusts the vacuum pump operation based on sensor feedback and operational requirements. Instead of continuous operation, the pump is activated only when vacuum levels deviate from the target range or when operational conditions require vacuum maintenance, reducing energy consumption while maintaining stable vacuum levels during critical operations.
Solution Approach 2:
The system dynamically adjusts vacuum pump operation based on real-time sensor data and changing operational conditions. The control unit modulates pump activity to match actual vacuum requirements, avoiding unnecessary energy consumption during periods when stable vacuum levels are already maintained or when atmospheric operation is sufficient, thereby optimizing the balance between vacuum stability and energy usage.
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
This configuration significantly reduces power losses, extends maintenance intervals by up to 10 times, enhances system security, and allows for efficient operation in both partial vacuum and atmospheric conditions, while minimizing energy consumption and preventing blackouts.
Implementation Method 1
gearbox arrangements exhibiting at least one (turbo) gearbox device, wherein the gearbox arrangement provides partial vacuum to the gearbox device
Implementation Method 2
an oil pump coupled to a vacuum oil tank provides oil to the gearbox device and optionally also to a lubricating piping
Implementation Method 3
the vacuum oil tank and at least one of the valves provide for a selectable/switchable siphon arrangement
Data Source
Figure 1A~1B
Figure 1C~2
Figure 3
AI summary
The present invention relates to gearbox arrangements exhibiting at least one (turbo) gearbox device and configured for providing partial vacuum within the gearbox device and comprising a vacuum pump, a vacuum oil tank, an oil pump coupled to the vacuum oil tank, and a plurality of valves; and comprising a sensor unit and a control unit configured for controlling at least the vacuum pump and the oil pump respectively depending on momentary sensor data, wherein the vacuum oil tank and at least one of the valves provide for a switchable siphon arrangement such that a predefinable vacuum level is ensured within the inner volume by means of the vacuum pump and via the vacuum oil tank and by controlling the vacuum pump depending on momentary sensor data. The present invention further relates to methods of providing and maintaining partial vacuum by means of such gearbox arrangements.