Integrated Side Channel Blower Housing for Compact Vehicle Heaters
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Solution Overview
Problem
Existing side channel blowers for vehicle heaters have inefficient space utilization due to separate housing areas for the motor, control device, and delivery channels, leading to unnecessary intermediate spaces and protruding connector plugs.
Innovation Solution
A multifunctional housing design integrates the blower, motor, and control device areas, with the motor housing forming part of the control device housing and incorporating connector plug receptacles in the closing element to optimize space usage and eliminate external connectors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If separate housing areas are used for motor, control device, and delivery channels, then each component can be independently designed and maintained, but space utilization becomes inefficient with unnecessary intermediate spaces
Solution Approach 1:
The patent merges the motor housing area and control device housing area into a single integrated housing structure. The control device housing area is formed as an integral extension of the motor housing area, eliminating intermediate spaces and improving space utilization while maintaining independent access to both motor and control device through strategically positioned openings.
2Ease of operation
If connector plugs are attached externally to the control device housing area, then electrical connections are easily accessible, but the installation becomes less stable and space-efficient
Solution Approach 1:
The patent integrates connector plug receptacles directly into the housing structure, nesting them within recesses formed in the circumferential wall of the control device housing area. This allows connector plugs to be received within the housing boundaries rather than protruding externally, improving installation stability and space efficiency while maintaining electrical connection accessibility.
3Reliability
If the control device housing area is completely enclosed, then internal components are protected, but access for connection and maintenance becomes difficult
Solution Approach 1:
The patent segments the housing structure by providing controlled openings in both the motor housing area and control device housing area. These openings allow selective access to the motor and control device respectively, enabling maintenance and connection activities while the rest of the housing remains enclosed to protect internal components.
Data Source
AI summary
A side channel blower for a vehicle heater includes a blower housing area (14) with a delivery channel (18), which extends in a ring-shaped pattern around a central axis (A) and is open on an axial side (16). A motor housing area (26) integral with the blower housing area (14) accommodates an electric drive motor (30) with a drive shaft (36). A first delivery wheel covers the delivery channel on a first axial side of the blower housing area and is carried at a first end of the drive shaft. A control device housing area is integral with the blower housing area or/and the motor housing area and is provided with a circumferential wall and with a bottom wall and with an opening located opposite the bottom wall. A partial area of the bottom wall of the control device housing area is formed by the motor housing area.