Compressor Housing Protrusions for Vibration Rigidity

The patent applies curvature to the housing structure by forming protrusions with specific radii of curvature on the steel plate. The first protrusion has a first radius of curvature and the second protrusion has a second radius of curvature, creating a curved reinforcement structure that increases rigidity without increasing plate thickness. This resolves the contradiction by using geometric curvature rather than material quantity to achieve strength.

The patent implements local reinforcement by adding protrusions only in specific locations where rigidity is needed, rather than uniformly thickening the entire housing. The first protrusion is positioned at a first location and the second protrusion at a second location, providing localized strength enhancement. This allows the housing to maintain low weight while achieving sufficient rigidity at critical points.

The patent uses curved protrusions with specific radii of curvature to increase housing rigidity and reduce high-frequency noise radiation. The curvature of the first and second protrusions creates structural reinforcement that raises the natural frequency of the housing, preventing resonance with vibration frequencies. This achieves noise control through geometric design rather than complex structural assemblies.

The patent controls noise by changing geometric parameters of the housing structure - specifically the radii of curvature of the protrusions. By adjusting the first radius of curvature and second radius of curvature, the natural frequency of the housing can be tuned to avoid resonance with vibration frequencies, thereby reducing high-frequency noise radiation without increasing structural complexity.