Air Compressor Cylinder Block Ribs for Vibration Control
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Solution Overview
Problem
Conventional air compressors driven by internal combustion engines experience significant vibration and noise due to the reciprocating motion of pistons, particularly when multiple cylinders are used, which can lead to increased mechanical stress and inefficiencies.
Innovation Solution
The air compressor design incorporates a cylinder block with ribs on its outer walls and crankcase that extend along the piston reciprocation direction and protrude orthogonally to suppress vibration, along with additional ribs on the crankcase to enhance rigidity and reduce twist, thereby stabilizing the cylinder block and crankcase.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple cylinders are used in the air compressor, then the compression capacity and productivity are improved, but the vibration and noise increase significantly
Solution Approach 1:
The cylinder block is segmented into multiple independent cylinders arranged in parallel, allowing each cylinder to operate independently while collectively providing higher compression capacity. This segmentation enables the system to achieve improved productivity without excessive vibration accumulation, as each cylinder's vibration is independent and can be managed separately.
Solution Approach 2:
Ribs are added to the cylinder block structure, extending the dimensional framework from a simple cylindrical shape to a reinforced multi-dimensional structure. These ribs protrude radially outward and extend along the piston reciprocation direction, creating a three-dimensional reinforcement pattern that suppresses vibration in multiple directions simultaneously while maintaining the multi-cylinder configuration for high productivity.
2Productivity
If multiple cylinders are used in the air compressor, then the compression capacity is improved, but the mechanical stress and structural complexity increase
Solution Approach 1:
Multiple cylinders are merged into a single integrated cylinder block structure, sharing common walls and mounting surfaces. This merging approach allows the system to achieve high compression capacity through multiple cylinders while avoiding the complexity of completely separate units, as the shared structure provides common mounting surfaces and reduces overall structural complexity.
Solution Approach 2:
Ribs are added to the cylinder block structure, extending the dimensional framework from a simple cylindrical shape to a reinforced multi-dimensional structure. These ribs protrude radially outward and extend along the piston reciprocation direction, creating a three-dimensional reinforcement pattern that suppresses vibration in multiple directions simultaneously while maintaining the multi-cylinder configuration for high productivity.
3Object-affected harmful factors
If the cylinder block structure is made more rigid to suppress vibration, then the vibration suppression is improved, but the manufacturing complexity increases
Solution Approach 1:
Ribs are added to the cylinder block structure, extending the dimensional framework from a simple cylindrical shape to a reinforced multi-dimensional structure. These ribs protrude radially outward and extend along the piston reciprocation direction, creating a three-dimensional reinforcement pattern that suppresses vibration in multiple directions simultaneously while maintaining the multi-cylinder configuration for high productivity.
Solution Approach 2:
The structural parameters of the cylinder block are modified by adding ribs with specific geometric characteristics. The ribs have optimized dimensions and spacing that balance vibration suppression effectiveness with manufacturing feasibility. This parameter optimization allows the reinforced structure to reduce vibration while remaining suitable for conventional manufacturing processes.
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
The ribbed design effectively suppresses vibration and noise, maintaining mechanical stability and efficiency even with multiple cylinders, reducing displacement and deformation at critical frequencies.
Implementation Method 1
a first rib that is provided on an outer wall of the cylinder block, that extends in a direction along a direction in which the piston reciprocates, that protrudes in a direction orthogonal to the direction in which the piston reciprocates, and that is configured to suppress vibration of the cylinder block
Data Source
AI summary
An air compressor includes: a cylinder block including a crankcase and a cylinder portion of a plurality of cylinders; a cylinder head that covers the cylinder block; a crankshaft that is supported in the crankcase; a piston that is configured to reciprocate in the cylinder portion by the crankshaft to suck air and compress and discharge the sucked air; and a first rib that is provided on an outer wall of the cylinder block, that extends in a direction along a direction in which the piston reciprocates, that protrudes in a direction orthogonal to the direction in which the piston reciprocates, and that is configured to suppress vibration of the cylinder block.