Unitary Engine Mounting System for Rotary Lawn Mowers
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Solution Overview
Problem
Existing engine mounting systems for power tools like pressure washers, lawn tractors, and generators often experience vibration-related noise, wear, and fatigue due to separate mounting components, which can lead to inefficiencies and reduced performance.
Innovation Solution
The integration of engine mounting supports directly with the engine block and cover, forming a single, unitary body, allows for secure attachment to the support frame, reducing vibrations and improving the overall stability and efficiency of the engine mounting system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate mounting components are used to attach the engine to the support frame, then the engine can be securely mounted, but vibration-related noise, wear, and fatigue increase
Solution Approach 1:
The patent combines the engine mounting supports with the engine block and cover to form a single unitary body. This integration eliminates separate mounting components and reduces vibration-related noise, wear, and fatigue by creating a more rigid and unified structure that better absorbs and distributes engine vibrations.
2Reliability
If multiple separate mounting components are used, then the engine can be attached to the support frame, but manufacturing time increases
Solution Approach 1:
The engine mounting supports are integrated directly into the engine block and cover as a unitary body, eliminating the need to manufacture and assemble multiple separate mounting components. This reduces manufacturing time while maintaining mounting stability through the unified structural design.
3Reliability
If separate mounting components are used, then the engine can be mounted, but the center of gravity is higher
Solution Approach 1:
The integration of mounting supports directly into the engine block and cover creates a more compact and consolidated engine assembly. This unitary structure lowers the center of gravity compared to separate mounting components, improving overall equipment stability and performance.
Data Source
AI summary
A rotary lawn mower includes an internal combustion engine, a blade, and a deck. The internal combustion engine includes an engine block having a crankcase and a cover. The crankcase surrounds a crankshaft, which powers the blade. The blade spins below the deck during operation of the rotary lawn mower. The deck is integrally formed with the cover.