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Stator of torque converter and torque converter comprising such stator

A torque converter and stator technology, applied in the field of torque converters, can solve problems such as loss of torque converter torque transmission efficiency and reduction of the overall area of ​​stator blades.

Pending Publication Date: 2020-10-20
VALEO KAPEC TORQUE CONVERTERS NANJING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this tapered shape also reduces the overall area of ​​the stator vanes, thereby losing the efficiency of the torque converter's torque transmission

Method used

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  • Stator of torque converter and torque converter comprising such stator
  • Stator of torque converter and torque converter comprising such stator
  • Stator of torque converter and torque converter comprising such stator

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Embodiment Construction

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings of the embodiments of the present disclosure.

[0025] Unless otherwise defined, technical terms or scientific terms used herein shall have the usual meanings understood by those of ordinary skill in the art to which the present disclosure belongs. Words such as "a", "an" or "the" used in the specification and claims of the present disclosure do not indicate a limitation of quantity, but indicate that there is at least one. "Comprising" or "comprising" and similar words mean that the elements or items appearing before the word include the elements or items listed after the word and their equivalents, without excluding other elements or items. Directions such as "axial" and "radial" are defined with respect ...

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Abstract

The invention relates to a stator for a torque converter which includes a stator hub, a stator shroud, and a plurality of stator blades. The stator blades extend radially outward from the stator hub to the stator shroud and include a base intersecting the stator hub and an end intersecting the stator shroud. The base portion has a width Laa and the end portion has a width Lcc. In the direction inwhich the stator blades extend radially outward, the width of at least one of the plurality of stator blades is first gradually increased and then gradually decreased, and has a width Lbb, Laa < Lbb,and Lcc < Lbb at the widest thereof. The present disclosure also relates to a torque converter including the stator as described above.

Description

technical field [0001] The present disclosure relates to a stator for a torque converter and a torque converter including such a stator. In particular, the vanes of the stator have an undulating profile in width direction. Background technique [0002] Typically, a torque converter is provided between the engine and the transmission of an automatically shifted motor vehicle. The hydraulic torque converter is used to transmit the driving power of the engine to the transmission by using fluid (usually oil), and plays the role of torque transmission and torque conversion. A torque converter includes an impeller connected to a flex plate and a turbine connected to and driven by the impeller on a transmission input shaft, and a stationary stator. During fluid circulation, fluid exiting the turbine impinges on the pressure side of the stator blades and is redirected, exerting a reactive torque on the turbine. In this way, the torque output by the turbine is therefore different ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H41/04F16H41/24F16H41/26
CPCF16H41/04F16H41/24F16H41/26
Inventor 李茂辉李璐胡勋
Owner VALEO KAPEC TORQUE CONVERTERS NANJING CO LTD
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