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Low coast brake of an automatic transmission

An automatic transmission device and brake technology, applied in the direction of hydraulic brakes, brakes, brake types, etc., can solve the problems of low coasting brake operation delay, waste of fuel, insufficient hydraulic fluid flow space, etc.

Inactive Publication Date: 2005-06-22
HYUNDAI MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the low-coast brake has a problem that its operation is delayed due to insufficient hydraulic fluid flow space in the conventional low-coast brake
[0007] Therefore, the low coast brake has the problem of unnecessarily wasting fuel by delaying the disengagement of the operating element

Method used

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  • Low coast brake of an automatic transmission
  • Low coast brake of an automatic transmission
  • Low coast brake of an automatic transmission

Examples

Experimental program
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Embodiment Construction

[0023] Embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0024] figure 1 It is a schematic diagram of a low coasting brake of an automatic transmission according to an embodiment of the present invention.

[0025] Such as figure 1 As shown, the low coast brake of the automatic transmission according to the embodiment of the present invention is connected to the inner ring 104 of the front one-way clutch (FWD O.W.C) 102 so that the low coast brake is operated by the front brake 100 when the front brake 100 is operated. .

[0026] In addition, the low coast brake of an automatic transmission according to an embodiment of the present invention includes a piston 200 , a plurality of main plates 300 , a plurality of friction plates 400 and a reaction plate 500 .

[0027] The plurality of main boards 300 and the plurality of friction plates 400 are alternately arranged.

[0028] The piston 200 selectively presses th...

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PUM

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Abstract

The fuel mileage is significantly increased since the low coast brake includes a plurality of main plates respectively having: a main body portion; a tooth portion formed on the outer circumference of the main body portion, the tooth portion also having a plurality of teeth next to each other , which has a gap of a first predetermined angle; and a non-tooth portion next to each other, which has a gap of a second predetermined angle on the outer circumference of the main body portion, the non-tooth portion has no teeth to enhance the flow of hydraulic fluid sex.

Description

technical field [0001] Generally, the present invention relates to an automatic transmission. More particularly, the present invention relates to a low coast brake for an automatic transmission. Background technique [0002] Generally, the low coast brake of the automatic transmission is operated when the current shift speed is shifted to a first gear speed or a second gear speed in an engine brake-on state. [0003] The low coast brake is connected to the inner ring of the front one-way clutch (FWD O.W.C), so that when the front brake is operated, the low coast brake is operated by the front brake. [0004] In addition, the low coast brake includes a piston, a plurality of main plates, a plurality of friction plates alternately provided on the main plates, and a reaction plate. [0005] Thus, the low coast brake is engaged / disengaged from the operating element by sliding up to the left and right according to the supplied hydraulic fluid. [0006] However, the low-coast b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D65/12B60T13/12F16D13/00F16D55/36F16D55/40F16D65/092F16D65/28
CPCF16D55/36F16D13/00
Inventor 黄圭喆
Owner HYUNDAI MOTOR CO LTD