Molded Stator with Integrated Foot Plate and Capacitor Box Mounting
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Solution Overview
Problem
The existing molded motor design lacks integrated foot plate and condenser assembly box mounting portions, leading to increased parts and processing costs due to the need for additional components for assembly.
Innovation Solution
Incorporating foot plate and condenser assembly box mounting portions directly into the molded stator using thermosetting resin, with exposed screw fixing holes and lead wire outlets, allowing for assembly without additional parts, and using a fan cover that can be fixed to the stator via the foot plate or condenser assembly box.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If foot plate and condenser assembly box mounting portions are added as separate parts, then mounting functionality is improved, but parts costs and processing costs increase
Solution Approach 1:
The patent merges the foot plate mounting portion and condenser assembly box mounting portion directly into the stator housing structure. The stator housing is designed with integrated mounting portions that include prepared holes for screw fixing, eliminating the need for separate mounting brackets or additional parts. This integration reduces parts count and assembly complexity while maintaining full mounting functionality.
Solution Approach 2:
The stator housing serves multiple functions: it provides structural support, houses the motor components, and integrates mounting functionality for both the foot plate and condenser assembly box. The mounting portions are built-in features of the stator housing itself, allowing the same component to fulfill both protective and mounting roles.
2Ease of operation
If fan cover, condenser assembly box, and foot plate are incorporated separately, then assembly flexibility is improved, but parts costs and processing costs are raised
Solution Approach 1:
The patent combines the mounting functionality for the foot plate, fan cover, and condenser assembly box into integrated mounting portions of the stator housing. These mounting portions include prepared holes that allow for straightforward assembly while reducing the total number of separate parts required. The integration maintains assembly flexibility through standardized screw fixing interfaces.
3Reliability
If additional parts are used for mounting foot plate and condenser assembly box, then mounting reliability is improved, but production cost increases
Solution Approach 1:
The patent integrates mounting portions directly into the stator housing structure, eliminating the need for additional separate mounting parts. The mounting portions include prepared holes for screw fixing that are formed as integral features of the stator housing during the molding process, ensuring reliable mounting while reducing production costs through parts elimination.
Solution Approach 2:
The mounting portions with prepared holes are pre-formed as integral features of the stator housing during the molding process. This preliminary action ensures that mounting holes are precisely positioned and properly formed before assembly, guaranteeing mounting reliability while eliminating the need for separate mounting brackets or additional manufacturing steps.
Data Source
AI summary
An electric motor in which the cost of parts and the cost of processing are reduced by installing a fan cover, a capacitor installation box, and a foot plate on a molded stator without addition of installation parts. In the electric motor (200), the stator (100) is molded using a thermosetting resin. The stator (11) after the molding has a foot plate installation section (13) to which the foot plate (19) is installed, and prepared holes for screws for fixing the foot plate (19) are exposed on the foot plate installation section (13).