Ironless Linear Motor Primary Element Cooling Plate Integration
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Solution Overview
Problem
Existing ironless linear motors face complexity in assembly and manufacturing due to separate coolant supply and discharge lines, which complicates the production of high forces without an iron core.
Innovation Solution
A primary element design for an ironless linear motor where cooling plates are connected to a common connecting region with a coolant distribution header, allowing for a single supply and discharge line, and featuring brazed joints and a distribution header that can be easily attached and replaced.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If separate coolant supply and discharge lines are used for each cooling plate, then effective cooling of coils is achieved, but assembly and manufacturing complexity increases
Solution Approach 1:
The patent combines separate coolant supply and discharge lines into a single integrated coolant line that serves both cooling plates. The coolant line is designed with coolant supply openings and discharge openings that connect to both cooling plates through a common coolant distribution header, eliminating the need for separate lines and reducing assembly complexity while maintaining effective cooling.
Solution Approach 2:
The coolant distribution header serves multiple functions: it distributes coolant to both cooling plates, collects discharged coolant from both plates, and provides a single connection point for the coolant supply line. This multi-functional design simplifies the overall system structure while ensuring effective cooling of all coils.
2Ease of operation
If connecting pieces are disposed at opposite ends of the primary element, then each cooling plate can be independently connected, but separate coolant supply and discharge lines are required
Solution Approach 1:
The patent positions both connecting pieces at the same end of the primary element rather than at opposite ends. This arrangement allows both cooling plates to be connected to a common coolant distribution header located at that end, enabling a single coolant line to serve both plates and reducing coolant line complexity while maintaining connection flexibility.
3Ease of repair
If multiple separate coolant lines are used, then each cooling plate can be independently serviced, but leakage risks increase
Solution Approach 1:
The patent uses a single coolant line with a common distribution header that serves both cooling plates. This unified design reduces the number of connection points and potential leakage sites compared to multiple separate lines, while the modular construction with removable connecting pieces still allows individual plate servicing if needed.
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 simplifies assembly, reduces leakage risks, and ensures efficient heat removal from coils, facilitating the production of high forces while maintaining the advantages of ironless motors.
Implementation Method 1
coolant distribution header releasably attached to the connecting region... efficient heat removal from coils
Implementation Method 2
cooling plates... efficient heat removal from coils
Data Source
AI summary
A primary element of an ironless linear motor include cooling plates. Each of the cooling plates is connected to a connecting piece extending in a region of an edge of the cooling plate. The connecting pieces are configured to supply coolant. The connecting pieces are located one above the other in a direction perpendicular to the cooling plates so as to form a common connecting region of the cooling plates at an end face of the primary element. A plurality of coils are disposed between the cooling plates. A coolant distribution header is releasably attached to the connecting region.