Reshaping method of automobile torque converter blade lattice system

A hydraulic torque converter, automotive technology, applied in fluid transmission devices, belts/chains/gears, mechanical equipment, etc., can solve problems such as long design cycle, failure to achieve optimal performance, and large errors

Active Publication Date: 2011-04-06
华域动力总成部件系统(上海)有限公司 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The disadvantage of this method is large error, long design cycle, and may not achieve optimal performance

Method used

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  • Reshaping method of automobile torque converter blade lattice system
  • Reshaping method of automobile torque converter blade lattice system
  • Reshaping method of automobile torque converter blade lattice system

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Experimental program
Comparison scheme
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Embodiment Construction

[0117] Please refer to the accompanying drawings for a further description of the present invention.

[0118] like figure 1 As shown, the present invention provides a method for modifying the cascade system of an automobile hydraulic torque converter, the method for modifying comprises the following steps:

[0119] ① Obtain the geometric information of the existing hydraulic torque converter cascade system;

[0120] ② Calculate the target inlet and outlet angles on the intersection line between the blade and the inner and outer rings of the circulation circle;

[0121] ③Enter the genetic algorithm program to start iterative calculation;

[0122] ④ Randomly modify the coordinates of each point to generate an initial group;

[0123] ⑤ Calculate the inlet and outlet angles on the intersection line between the blade and the inner and outer rings of the circulation circle after modification;

[0124] ⑥Judge the degree of conformity between the inlet and outlet angles on the int...

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Abstract

A reshaping method of an automobile torque converter blade lattice system comprises the following steps: 1) acquiring geometric information of the existing torque converter blade lattice system; 2) calculating target inlet and outlet angles of blades and the inner and outer ring intersecting lines of a circulating circle; 3) entering a genetic algorithm program to start iterative computation; 4) randomly modifying each point coordinate to generate an initial group; 5) calculating the inlet and outlet angles of the blades and the inner and outer ring intersecting lines of the circulating circle after being modified; 6) judging the matching degree of the inlet and outlet angles of the blades and the inner and outer ring intersecting lines of the circulating circle after being modified with the target inlet and outlet angles obtained by calculation in step 2; and 7) if the matching degree is high, inheriting the individual to the next generation for further intersection and mutation to obtain point coordinate combination with higher matching degree; and if the matching degree is low, eliminating the individual. The invention has the advantages of modification of the existing torque converter CAD model, thus realizing the optimization of the torque converter.

Description

technical field [0001] The invention relates to a design method of an automobile hydraulic torque converter, in particular to a method for modifying the blade grid system of the existing hydraulic torque converter. Background technique [0002] The hydraulic torque converter is one of the key components of the automatic transmission system, and its performance has an important impact on the performance of the vehicle. Due to the complexity of the flow field in the torque converter, its design is basically based on a simplified one-dimensional beam model and empirical data for repeated trial production tests. The disadvantage of this method is that the error is large, the design cycle is long, and the optimal performance may not be achieved. Contents of the invention [0003] The invention provides a method to optimize the blade cascade system of the hydraulic torque converter by using the existing CAD model of the hydraulic torque converter. On the premise of retaining th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H41/26
Inventor 吴光强李珺陈曙光王欢王立军冀海燕陈祥殷学仙程建平顾文清
Owner 华域动力总成部件系统(上海)有限公司
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