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Automatic transmission and vehicle with same

A technology of automatic transmission and clutch, which is applied to vehicle components, vehicle gearboxes, components with teeth, etc., can solve the problems of automatic transmissions such as weak responsiveness and switching smoothness, and achieve improved fuel economy and gear switching Smooth, ratio-intensive effect

Active Publication Date: 2017-11-28
BAIC MOTOR CORP LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In the process of realizing the present invention, the inventor found that the automatic transmission in the related art has fewer choices of gear ratios, that is to say, the automatic transmission has fewer gears, which makes the responsiveness and smoothness of switching of the automatic transmission weak , there is room for improvement

Method used

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  • Automatic transmission and vehicle with same

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Embodiment Construction

[0022] The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention and should not be construed as limiting the present invention.

[0023] In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined. ...

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Abstract

The invention discloses an automatic transmission and a vehicle provided with the same. The automatic transmission comprises an input shaft, a first single-row planetary gear mechanism, a second single-row planetary gear mechanism, a third single-row planetary gear mechanism, a fourth single-row planetary gear mechanism, an output shaft, a first control unit, a second control unit, a third control unit and a fourth control unit; a second sun wheel is fixedly connected with the input shaft, a second planetary frame is fixedly connected with a first gear ring, a second gear ring is fixedly connected with a first planetary frame, a third sun wheel is fixedly connected with the second gear ring, a third planetary frame and the input shaft can be selectively connected or disconnected, a fourth sun wheel and the input shaft can be selectively connected or disconnected, a fourth gear ring is fixedly connected with the third planetary frame, and the output shaft is fixedly connected with both the third gear ring and a fourth planetary frame. By the automatic transmission provided by an embodiment of the invention, more gears can be adjusted, impact of shifting is small, and the gears are shifted smoothly.

Description

technical field [0001] The invention belongs to the technical field of vehicle manufacturing, and in particular, relates to an automatic transmission and a vehicle having the automatic transmission. Background technique [0002] In the process of realizing the present invention, the inventor found that the automatic transmission in the related art has fewer choices of gear ratios, that is, the automatic transmission has fewer gears, which makes the responsiveness and switching smoothness of the automatic transmission weaker , there is room for improvement. SUMMARY OF THE INVENTION [0003] The present invention aims to solve one of the technical problems in the related art at least to a certain extent. Therefore, an object of the present invention is to provide an automatic transmission with smooth shifting. [0004] Another object of the present invention is to propose a vehicle having the above-mentioned automatic transmission. [0005] An automatic transmission accor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H3/62
CPCF16H3/62F16H2200/003F16H2200/0082F16H2200/2012
Inventor 常天春谢立稳张立玲
Owner BAIC MOTOR CORP LTD
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