Dual Power Driving System with Series Epicycle Gear Sets

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Conventional dual power driving systems utilizing electromagnetic, pneumatic, oil pressure, or mechanical clutch devices are limited by large volume, restricting space utility and versatility in operation modes.

Innovation Solution

A dual power driving system with epicycle gear sets transmitted in series, incorporating controllable brake devices between key components to allow for various structural configurations and operation modes, including coaxial, parallel, or non-parallel connections, and the use of intermediate transmission devices for enhanced flexibility.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If conventional clutch devices (electromagnetic, pneumatic, oil pressure, or mechanical) are used for switching and controlling operation modes, then the dual power driving system can achieve mode switching, but the clutch device is large in volume which limits space utility

Engineering Contradiction:

Improveoperation modes switchingVSAvoidclutch device volume

Core Design Contradiction:

Adaptability or versatilityVSVolume of moving object

Solution Approach 1:

The patent replaces conventional electromagnetic, pneumatic, or mechanical clutch devices with a purely mechanical epicycle gear transmission system. The epicycle gear sets with controllable brake devices create different transmission paths to achieve mode switching without requiring large-volume clutch mechanisms, thus substituting a compact mechanical system for bulkier conventional clutch systems

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The epicycle gear transmission system serves multiple functions: it enables dual power source connection, provides operation mode switching, and achieves different structural configurations (coaxial, parallel, or non-parallel connections) all within a single integrated mechanism, replacing what would traditionally require multiple separate clutch devices

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If conventional clutch devices are used for mode switching, then power source selection is possible, but the space utility is limited due to large volume

Engineering Contradiction:

Improvepower source selectionVSAvoidavailable space

Core Design Contradiction:

Adaptability or versatilityVSArea of stationary object

Solution Approach 1:

The patent employs nested epicycle gear sets where smaller gear sets are positioned within or alongside larger ones, allowing multiple transmission paths and power source selection capabilities to be packed into a compact arrangement, maximizing space utilization while maintaining versatility

Inventive Principle:

Principle #7Nested doll (Nesting)

3Adaptability or versatility

If epicycle gear sets transmitted in series with controllable brake devices are used, then more varied structural configurations are achieved, but the device complexity increases

Engineering Contradiction:

Improvestructural configurationsVSAvoidtransmission system complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent divides the transmission system into modular epicycle gear sets, each with its own controllable brake device. This segmentation allows independent control and configuration of each module, enabling varied structural arrangements (coaxial, parallel, non-parallel) while keeping each individual module relatively simple and manageable

Inventive Principle:

Principle #1Segmentation

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

The system achieves more varied and efficient operation modes by utilizing controllable brake devices, reducing the need for large volume clutch devices and enhancing space utility while maintaining effective energy transmission.

Implementation Method 1

dual power driving system with epicycle gear sets transmitted in series

Methodology Applied

Scientific EffectEpicyclic Gearing: Epicyclic Gearing

Implementation Method 2

operating the controllable brake devices, the selections for the structural configurations

Methodology Applied

Scientific EffectFriction: Friction

Data Source

PatentUS8414435B2Dual power driving system with epicycle gear sets transmitted in series

Publication Date: 2013.04.09 YANG TAI HER

AI summary

The present invention provides a dual power driving system with epicycle gear sets transmitted in series, in which the input shaft, the output shaft and the controllable brake device of each epicycle gear set can be coaxially connected in series, or connected in parallel or not in parallel; the rotating shaft at the output end and the rotating shaft at the input end of each epicycle gear set can be directly connected, or an intermediate transmission device can be installed for connection, and through operating the controllable brake devices, the selections for the structural configurations of the dual power driving system are provided.