Motorized Door Window Regulator with Division Bar

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Solution Overview

Problem

Traditional automotive hardware systems struggle to fully lower door glass windows below the belt line due to the shape and size constraints of rear side doors and front doors with outside rearview mirrors, leading to compromised window openings and ventilation issues.

Innovation Solution

A motorized regulator system with a cable drive and guide rail, combined with tension or compression springs and a pin-catch mechanism, allows the window and division bar to be fully lowered into the door panel, providing a full window opening above the door panel by displacing them between a closed and opened position within the door panel's internal compartment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Area of moving object

If the window is designed to drop completely below the belt line using traditional hardware, then full window opening is achieved, but the door structure shape prevents complete lowering

Engineering Contradiction:

Improvewindow opening areaVSAvoidwindow lowering capability

Core Design Contradiction:

Area of moving objectVSEase of operation

Solution Approach 1:

The patent applies a motorized regulator system that dynamically moves the window and division bar between raised and lowered positions, replacing static traditional hardware with an active control system that adapts to the door structure constraints

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The window system is segmented into two independent movable components: the window pane and the division bar. This segmentation allows each component to be controlled separately by the regulator system, enabling the division bar to be fully lowered into the door panel while the window can be independently positioned, thus achieving full opening capability within structural constraints

Inventive Principle:

Principle #1Segmentation

2Ease of operation

If the movable window portion size is reduced to allow full opening, then the window can be fully lowered, but the window opening size above the door is limited

Engineering Contradiction:

Improvewindow lowering capabilityVSAvoidwindow opening area

Core Design Contradiction:

Ease of operationVSArea of moving object

Solution Approach 1:

By segmenting the window system into separate window and division bar components, the patent allows the full-size window to remain in place while the division bar is independently lowered, maintaining the full window opening area above the door

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The division bar is extracted as a separate movable element from the traditional fixed window assembly. This extracted component can be fully lowered into the door panel internal compartment without reducing the size of the main window opening, separating the lowering function from the window pane itself

Inventive Principle:

Principle #2Taking out (Extraction)

3Device complexity

If traditional hardware is used, then the structure is simple, but the window cannot be fully lowered below the belt line

Engineering Contradiction:

Improvehardware system complexityVSAvoidwindow opening area

Core Design Contradiction:

Device complexityVSArea of moving object

Solution Approach 1:

The patent replaces traditional mechanical window lowering hardware with an electric motorized regulator system. This substitution enables full window opening capability that mechanical systems cannot achieve, while the motor and cable drive mechanisms are concealed within the door panel to minimize visual complexity

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentUS10480234B2Apparatus and method of providing full window opening above a door including a window and a division bar

Publication Date: 2019.11.19 FORD GLOBAL TECH LLC

AI summary

An apparatus includes a door panel having a window receiver and an internal compartment, a window and a division bar. That regulator carried on the door panel displaces the window and division bar between a closed position projecting from the entry opening and an opened position fully concealed within the internal compartment of the door panel.