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Electric power split hybrid system

a hybrid system and electric power technology, applied in hybrid vehicles, cycles, transportation and packaging, etc., can solve the problems of large battery volume, short battery life and natural shortening of such batteries, and design is relatively difficult to be accepted by the market, so as to enhance the overall fuel economic benefit, prolong the battery life, and reduce the volume of the battery

Active Publication Date: 2015-12-17
NATIONAL TAIWAN NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention is about an electric power system that can extend the life of batteries and reduce their size, making them more efficient and economical. This solves problems with previous techniques that had short battery life, large battery size, and low fuel economy benefits.

Problems solved by technology

[1] Shorter battery life and larger battery volume.
As a result, a life of such battery is naturally shortened.
In such conditions of a short battery life and a larger battery volume, such design is relatively hard to be accepted by market.
A medium-speed high-efficiency status of the engine cannot be maintained all the time, and failure of maintaining results in a lower fuel economy benefit.

Method used

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  • Electric power split hybrid system
  • Electric power split hybrid system
  • Electric power split hybrid system

Examples

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Embodiment Construction

[0028]With reference to FIGS. 1 and 2, an electric power split hybrid system of the present invention comprises a case 10, a first one-way clutch 11, a second one-way clutch 12, an engine 13, a generator 14, a motor 15, a transmission mechanism 16, a linkage unit 20, a planetary gear frame set 30, an electric power part 40, and a switching part 50.

[0029]The first one-way clutch 11 and the second one-way clutch 12 are fixed to the case 10, and are capable of being set in a locked state and in a disengaged state, respectively. In particular, when the first one-way clutch 11 and the second one-way clutch 12 are disengaged from each other in the disengaged state, they may limit their connective devices for unidirectional rotation of the connective devices, and a rotation direction can be adjustable (i.e., limiting to either forward rotation or backward rotation).

[0030]The engine 13 comprises a first linkage part 131 and a second linkage part 132, and the first linkage part 131 and the s...

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PUM

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Abstract

An electric power split hybrid system comprises a case, a linkage unit, an electric power part, and a switching part. An engine, a generator, a motor, and a transmission mechanism are installed in the case. The generator is used to start the engine, and is capable of adjusting a torque of the engine and of generating electricity via driving of the engine. The transmission mechanism is used to link and move a wheel to rotate. The linkage unit is used to link and move the engine and the motor. The electric power part is used to store electrical energy generated by the generator and to supply electric power to the motor. The switching part is connected to the generator, the motor, and the electric power part. Electric power generated by the generator is switched by the switching part to supply to one of the motor and the electric power part.

Description

BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]The present invention relates to an electric power split hybrid system, particularly with regard to an electric power split hybrid system with a switching part. The electric power split hybrid system has advantages and effectiveness of elongating battery life and reducing a battery volume to enhance overall fuel economic benefit.[0003]2. The Related Arts[0004]In general, hybrid motorcycles can now be switched to one of two modes of an electric driving mode (by a motor) and a fuel-driven mode (by an engine), but these two modes are individually adopted to drive motorcycles in actual use. Hence, there are still the following disadvantages.[0005][1] Shorter battery life and larger battery volume. Generally, the battery life is to calculate based on times of charging and discharging. In the electric driving mode, electric power of the motor is supplied by the battery completely. Therefore, when the electric driving mode is ...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): B60K6/442B60K6/383B60K6/40B62K11/00B62M23/02
CPCB60K6/442B62K11/00Y10S903/951B60K6/40B60K6/383B62M23/02B60K6/365B60K6/445B60Y2200/12Y02T10/62
Inventor HUNG, YI-HSUANCHUNG, CHENG-TA
Owner NATIONAL TAIWAN NORMAL UNIVERSITY
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