Multi-Level Vapor Separator Tank Layout for Fuel Capacity
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Solution Overview
Problem
Existing vapor separator tanks face challenges in securing sufficient capacity while allowing easy arrangement of components and facilitating design changes due to their proximity to internal combustion engines and associated equipment.
Innovation Solution
A vapor separator tank design with a casing comprising a lower case and upper case, featuring multiple attachment portions, a pump, and a pressure regulator, with distinct bottom surface portions that allow for efficient space utilization and easy arrangement of components, including a third bottom surface portion positioned to receive liquid fuel from the pressure regulator and suppress bubble generation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the vapor separator tank is arranged near the internal combustion engine to secure component arrangement space, then the ease of operation is improved, but the volume of the fuel storage compartment is reduced
Solution Approach 1:
The lower case is designed with a multi-level bottom surface structure including a first bottom surface portion, a second bottom surface portion, and a third bottom surface portion at different heights. This vertical dimensionality change allows efficient space utilization near the engine while maintaining sufficient fuel storage capacity by stacking functional zones vertically rather than horizontally.
2Volume of stationary object
If the capacity of the vapor separator tank is increased to secure sufficient fuel storage, then the volume of the fuel storage compartment is improved, but the ease of arrangement of other equipment is worsened
Solution Approach 1:
The bottom surface of the lower case is segmented into three distinct portions at different heights: the first bottom surface portion for drain piping, the second bottom surface portion for pump support, and the third bottom surface portion for pressure regulator support. This segmentation allows each component to be positioned at its optimal height, facilitating easy arrangement of equipment while maintaining large fuel storage capacity.
3Adaptability or versatility
If the design of the vapor separator tank is made flexible to allow easy capacity changes, then the adaptability is improved, but the manufacturing precision is worsened
Solution Approach 1:
The lower case is designed with a modular multi-level bottom surface structure that can be easily modified by adjusting the configuration or removal of the second and third bottom surface portions. This dynamic design allows the fuel storage capacity to be flexibly changed for different applications while maintaining manufacturing precision through standardized structural elements that can be consistently reproduced.
Data Source
AI summary
In a VST (vapor separator tank), a lower case is provided with a plurality of attachment portions attached to an engine (internal combustion engine) and drain piping for discharging liquid fuel from a fuel storage compartment. The lower case includes a first bottom surface portion including a lowermost surface, a second bottom surface portion formed in a position higher than the first bottom surface portion and supporting a pump, and a third bottom surface portion formed in a position higher than the first bottom surface portion and the second bottom surface portion. Disclosed embodiments provide a vapor separator tank in which the capacity of a fuel storage compartment is sufficiently secured, and which allows easy arrangement of other equipment and parts around the vapor separator tank while enabling easy design change.