Fixed Vehicle Door Handle With Integrated Switch for Single-Motion Opening
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Solution Overview
Problem
Existing vehicle door designs often require multiple actions and repositioning of hands to unlock and open doors, lacking an intuitive and aesthetically pleasing solution that also considers aerodynamics and water management.
Innovation Solution
A fixed door handle with integrated switch assembly that generates an electric signal to unlock and partially open the door, allowing a single continuous motion to fully open the door, featuring a tapered design for aerodynamics and seamless integration with the vehicle's trim.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional door handles with multiple components are used, then door unlocking and opening functions are achieved, but the operation requires multiple actions and hand repositioning
Solution Approach 1:
The patent combines the switch assembly and door handle into a single integrated fixed door handle unit. The switch assembly is positioned within the door handle such that pressing the handle simultaneously performs both unlocking and opening functions, eliminating the need for separate unlocking action and hand repositioning required by traditional multi-component door handles.
2Ease of operation
If traditional door handles are used, then door opening function is provided, but aerodynamic performance is compromised
Solution Approach 1:
Instead of having a protruding handle that extends outward from the door surface (traditional design), the invention inverts the approach by recessing the switch assembly within the door handle structure. This creates a flush or near-flush surface that reduces aerodynamic drag while maintaining full door opening functionality through the integrated switch mechanism.
3Ease of operation
If traditional door handles with seams and gaps are used, then door opening is enabled, but water management is impaired
Solution Approach 1:
The integration of the switch assembly within the door handle creates a unified, seamless structure without gaps or seams between components. This merged design eliminates the water infiltration pathways that exist in traditional multi-component door handles, while the single continuous surface facilitates proper water drainage and management.
4Reliability
If multiple door handle components are used, then unlocking and opening functions are separated, but operation time increases
Solution Approach 1:
The fixed door handle is pre-configured with the switch assembly integrated within its structure, so that the unlocking mechanism is already positioned and ready for simultaneous activation with the opening action. This preliminary integration eliminates the sequential timing required in traditional handles where unlocking must occur before opening, reducing total door opening time while maintaining reliable function separation.
Data Source
AI summary
In some aspects, the techniques described herein relate to a door assembly for a motor vehicle, including: a door mounted relative to an opening in a body of the motor vehicle such that the door is moveable between a fully closed position and a fully open position; and a fixed door handle projecting outward from an exterior surface of the door, and wherein the fixed door handle includes a switch assembly configured to generate an electric signal when pressed.