Modular Power Take-Off With Removable Transmission Means
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Solution Overview
Problem
Existing power take-off systems lack flexibility, requiring entire unit replacement for configuration changes, leading to increased complexity and costs, and inefficiencies that result in higher fuel consumption and heat generation.
Innovation Solution
A modular power take-off system with removable transmission means and adjustable offtake modules, allowing for easy configuration changes and reduced component usage, along with an intermediate piece for controlling fluid flow to disconnect unused modules, enhancing flexibility and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the whole power take-off unit is replaced to change configuration, then the flexibility and adaptability improve, but the device complexity and costs increase
Solution Approach 1:
The power take-off unit is divided into separable components: a base unit and removable transmission means. The transmission means can be detached and replaced independently, allowing configuration changes without replacing the entire PTO unit. This segmentation enables different transmission types (direct, geared, double) to be interchanged on the same base unit.
Solution Approach 2:
The base unit is designed with universal mounting interfaces and connection points that can accommodate multiple types of transmission means. This allows a single base unit to serve multiple functions by accepting different transmission configurations, reducing the need for multiple specialized PTO units.
2Adaptability or versatility
If unnecessary transmission means remain fitted, then the adaptability for future use is maintained, but the fuel consumption increases and heat is generated
Solution Approach 1:
The system transitions from a static configuration to a dynamic one where transmission means can be added or removed based on current operational needs. This dynamic adaptability allows the PTO unit to optimize energy consumption by only including necessary transmission components during each operational phase.
Solution Approach 2:
Unnecessary transmission means are extracted (removed) from the system when not needed for current operations. This extraction eliminates the weight and energy consumption associated with unused components while preserving the ability to reinstall them later if needed.
3Use of energy by moving object
If the power take-off is designed for high efficiency, then the fuel consumption reduces, but the heat generated during operation increases
Solution Approach 1:
The system uses only the necessary transmission components required for current operations, avoiding the excessive action of running all transmission means continuously. This partial operation reduces overall energy consumption and consequently reduces heat generation from unnecessary mechanical friction.
Data Source
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AI summary
The invention relates to a power take-off comprising a housing (18) which at least partly accommodates an input shaft (20), at least one output shaft (22), a first transmission means (24) connected to the input shaft (20), a second transmission means (26) connected to the at least one output shaft (22), and at least one offtake module (30) connected to the at least one output shaft (22). The second transmission means (26) and the at least one output shaft (22) are arranged to be fittable in and removable from the housing (18). The invention relates also to a vehicle (1) which is provided with such a power take-off (16) and to an intermediate piece (48) for such a power take-off (16).