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Power system

A technology of power system and power source, applied in the field of power system, can solve the problems of high cost, low efficiency, complex structure of power system, etc., and achieve the effect of low cost, high transmission efficiency and simple structure

Pending Publication Date: 2020-06-05
清华大学苏州汽车研究院(吴江)
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a power system to solve the problems of complex structure, low efficiency and high cost of the power system in the prior art

Method used

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Embodiment Construction

[0024] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0025] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a s...

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Abstract

The invention discloses a power system, and relates to the field of automobile power. The power system comprises a first power source, a second power source, a planetary gear train and an output shaft, wherein the planetary gear train comprises a sun gear, a planetary gear, a planetary carrier and a gear ring; the first power source is in transmission connection with the planet carrier, the secondpower source is in transmission connection with the sun gear, and the planet carrier can be in transmission connection or disconnected with the output shaft. The power system enables the first powersource to be in transmission connection with the planet carrier, the second power source is in transmission connection with the sun gear, and the planet carrier can be in transmission connection or disconnection with the output shaft. When the planet carrier is in transmission connection with the output shaft, torque coupling can be achieved; when the planet carrier is disconnected with the outputshaft, rotating speed coupling can be achieved. The power system provided by the invention is simple in structure, high in transmission efficiency and low in cost; important scientific significance and practical value are realized on the development of the automobile technology.

Description

technical field [0001] The invention relates to the technical field of automobile power, in particular to a power system. Background technique [0002] Many major advances have been made in the research of automobile power system in many developed countries such as the United States, Europe, and Japan, among which the powertrain system technology of planetary gear as a power splitting dynamic coupling mechanism is the most important. [0003] The currently adopted single-planetary power system coupling scheme can often only achieve one coupling method among speed coupling and torque coupling. For example, the first-generation and second-generation Toyota Pruis both use a single-planetary arrangement to achieve speed coupling, but Torque coupling is not possible. Although the power coupling device of the single-row planetary gear in the prior art can realize torque coupling, the structure is complicated, the efficiency is low and the cost is high. Contents of the invention...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K6/365B60K6/38B60K6/36
CPCB60K6/36B60K6/365B60K6/38
Inventor 高小杰黄伟
Owner 清华大学苏州汽车研究院(吴江)
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