Door hinge system for a pivoting door of a domestic appliance
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Solution Overview
Problem
Conventional door hinge systems for domestic appliances, such as cooking ovens, require manual operation and mechanical force for opening and closing, lacking the ability for automatic and comfortable operation.
Innovation Solution
A door hinge system with a motor-driven mechanism that allows automatic or manual control of the oven door, featuring a gearing system, coupling mechanism, and spring elements for balanced operation, enabling automatic control via remote or user interface and ensuring safe and efficient door management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a motor-driven mechanism is added to enable automatic door operation, then the ease of operation is improved, but the device complexity increases
Solution Approach 1:
The patent combines the motor-driven automatic operation system with the manual operation mechanism into a single hinge system. The motor can be coupled to or decoupled from the pivoting hinge part, allowing the system to function in both automatic and manual modes using the same structural components, thereby improving ease of operation without proportionally increasing device complexity.
Solution Approach 2:
The hinge system incorporates a motor that can dynamically couple to and decouple from the pivoting hinge part based on operational needs. This dynamic capability allows the system to adapt between automatic and manual modes, providing ease of operation while maintaining structural efficiency and avoiding permanent complexity increases.
2Extent of automation
If a motor is integrated into the hinge system for automatic control, then the extent of automation is improved, but the device complexity increases
Solution Approach 1:
The hinge system is designed with multi-functionality, where the same structural components serve both manual and automatic operational modes. The motor can be selectively coupled to the pivoting hinge part to provide automated control when needed, while the system retains full manual operation capability, thus achieving automation without permanently increasing structural complexity.
3Ease of operation
If spring elements are added to generate forces for balanced door operation, then the ease of operation is improved, but the device complexity increases
Solution Approach 1:
The patent incorporates spring elements that act as counterweights to balance the door during manual operation. These springs generate forces that offset the door's weight and resistance, making manual opening and closing easier while integrating smoothly into the existing hinge structure without significant complexity increases.
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
Enables comfortable and efficient automatic or manual operation of the oven door, with enhanced safety features like automatic reversal on obstruction and controlled speed for smooth opening and closing, maintaining a sealed state to prevent steam escape and ensuring food safety.
Implementation Method 1
a motor (16) coupleable to and decoupleable from the pivoting hinge part (14)
Implementation Method 2
at least one spring element for generating at least one force acting onto the pivoting hinge part (14)
Data Source
AI summary
The present invention relates to a door hinge system (10) for a pivoting door (30) of a domestic appliance (20), in particular for a pivoting oven door (30) of a cooking oven (20). The door hinge system (10) comprises a stationary hinge part (12) in arranged or arrangeable at or in a chassis of the domestic appliance (20). The door hinge system (10) comprises a pivoting hinge part (14) connected or connectable to the door (30). The door hinge system (10) comprises a driving device (16, 18, 22, 24) for driving the pivoting hinge part (14). The driving device includes at least one motor (16) coupleable to and decoupleable from the pivoting hinge part (14). The driving device (16, 18, 22, 24) is automatically controllable. The pivoting hinge part (14) is manually pivotable, if the motor (16) is decoupled from the pivoting hinge part (14).