Stabilized Piston Assembly for Low-Friction Engine Operation
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Solution Overview
Problem
Internal combustion engines suffer from low efficiency due to significant friction losses between piston rings and piston skirts, which contribute to substantial energy wastage and reduced engine performance.
Innovation Solution
The implementation of a stabilized piston design featuring dual connecting rods and stabilizer bars, which reduces friction by eliminating the need for a piston skirt and utilizing a single gapless compression ring, thereby preventing piston tilting and optimizing engine efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If a conventional piston design with piston skirt and multiple piston rings is used, then the piston can maintain stability and seal effectively, but friction losses between piston rings and piston skirts are significant
Solution Approach 1:
The invention removes the piston skirt from the conventional piston design, extracting the source of friction losses. The piston skirt is completely eliminated and replaced by a stabilizer bar mechanism that prevents piston tilting without requiring contact with the cylinder wall, thereby reducing friction while maintaining stability.
Solution Approach 2:
The stabilizer bar acts as an intermediary element between the piston and the stabilizer bar collar. This mediator prevents piston tilting by providing rotational constraint through the collar, eliminating the need for the piston skirt to contact the cylinder wall directly, thus reducing friction losses.
2Loss of energy
If a piston skirt is used to prevent piston tilting, then piston stability is maintained, but friction between piston skirts and cylinder walls increases energy consumption
Solution Approach 1:
The stabilizer bar and stabilizer bar collar serve as intermediary components that provide piston alignment without direct contact between the piston and cylinder wall. The stabilizer bar connects the piston to the collar, which rotates within the cylinder, mediating the alignment function while minimizing friction.
Solution Approach 2:
The invention replaces the mechanical friction-based alignment system (piston skirt contacting cylinder wall) with a different mechanical system (stabilizer bar and collar mechanism) that achieves alignment through rotational constraint rather than sliding contact, thereby reducing energy consumption.
3Loss of energy
If multiple piston rings are used for effective sealing, then compression and oil control are improved, but friction losses and manufacturing complexity increase
Solution Approach 1:
The invention extracts and removes one or more piston rings from the conventional multi-ring configuration. By eliminating unnecessary rings while maintaining effective sealing through the optimized piston design and stabilizer mechanism, friction losses are reduced and manufacturing complexity is decreased.
Solution Approach 2:
The invention changes the parameter of piston ring quantity from multiple rings to a reduced number of rings. This parameter change achieves the dual benefit of reduced friction losses and simplified manufacturing while maintaining sealing effectiveness through the optimized piston geometry and stabilizer system.
Data Source
AI summary
Certain exemplary embodiments can provide a piston comprising a piston head, a connecting rod coupled to the piston head, a stabilizer bar, a retaining ring, and a stabilizer bar collar. The stabilizer bar collar defines one or more apertures. The one or more apertures are constructed to receive the stabilizer bar. The piston is constructed to reduce energy losses in an engine comprising the piston.