Compressor Mounting Assembly With Integrated Isolation Fastener

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Solution Overview

Problem

Existing compressor mounting assemblies require separate components and involve lengthy assembly times due to the need for precise positioning of fasteners and isolation members, complicating the installation process.

Innovation Solution

A compressor assembly design featuring a hermetic shell, base, and mounting assembly with strategically positioned isolation members and fasteners, including radial protrusions on the fastener shank, which allows for efficient assembly and secure mounting through interference fits and threaded engagement, reducing the need for extensive assembly time.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If separate components (fasteners and isolation members) are used for mounting assemblies, then the compressor assembly can be securely mounted to the mounting structure, but the assembly time and installation complexity increase significantly

Engineering Contradiction:
Improvemounting securityVSAvoidassembly time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent combines the fastener and isolation member into a single integrated mounting assembly component. The fastener includes an integrated isolation member that is formed as one piece, eliminating the need to separately position and assemble multiple components. This integration maintains the secure mounting function while dramatically reducing assembly time and installation complexity.

Inventive Principle:
Principle #5Merging (Combining)

2Reliability

If multiple separate components are required in the mounting assembly, then the mounting structure can provide adequate isolation and securement, but the number of parts and assembly steps increase

Engineering Contradiction:
Improveisolation performanceVSAvoidnumber of components
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The fastener and isolation member are merged into a single integrated component. The isolation member is formed as an integral part of the fastener, reducing the component count from multiple separate parts to a single unified mounting assembly that provides both fastening and isolation functions.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The integrated mounting assembly performs multiple functions simultaneously: the fastener portion provides secure mechanical attachment while the integrated isolation member provides vibration isolation and noise reduction. This multi-functional design eliminates the need for separate isolation components while maintaining adequate isolation performance.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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

This design streamlines the assembly process by using flexible isolation members and radial protrusions on the fastener to secure the compressor assembly during transport and facilitate quick, secure attachment to a mounting structure, thereby reducing installation time and enhancing assembly efficiency.

Implementation Method 1

The fastener may include a shank having a first radial protrusion defining a first outer diameter greater than the first inner diameter

Methodology Applied
Scientific EffectInterference fit: Friction

Implementation Method 2

The fastener may extend through the first, second and third apertures

Methodology Applied
Scientific EffectThreaded engagement: Screw

Data Source

PatentUS8348218B2Compressor mounting structure and assembly method
Publication Date: 2013.01.08 COPELAND LP
  • US8348218B2 patent drawing
  • US8348218B2 patent drawing
  • US8348218B2 patent drawing

AI summary

A compressor assembly may include a hermetic shell, a base and a mounting assembly. The hermetic shell may include a lower cover defining a first aperture. The base may define a second aperture. The mounting assembly may include a first isolation member and a fastener. The first isolation member may define a third aperture and may be located on a first side of the base. The third aperture may have a first portion defining a first inner diameter. The fastener may extend through the first, second and third apertures. The fastener may include a shank having a first radial protrusion defining a first outer diameter greater than the first inner diameter.