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Stator assembly and eddy current retarder for eddy current retarder

An eddy current retarder and stator assembly technology, applied in the field of auto parts, can solve problems such as affecting vehicle passability, and achieve the effect of increasing the torque of the retarder

Active Publication Date: 2018-05-08
TELMA AUTOMOBILE BRAKING SYST SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, since the retarder is usually installed at the chassis position of the car, if the chassis position of the car itself is low, the retarder will affect the trafficability of the vehicle when it is installed on the vehicle

Method used

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  • Stator assembly and eddy current retarder for eddy current retarder
  • Stator assembly and eddy current retarder for eddy current retarder
  • Stator assembly and eddy current retarder for eddy current retarder

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Experimental program
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Effect test

Embodiment approach

[0030] The stator assembly of the eddy current retarder provided by the present invention is also composed of 8 or 6 magnetic poles, wherein the distance from the two lowest poles to the center of the circle is r, and the distance from the rest of the poles to the center of the circle is greater than or equal to r . figure 1 It is the first embodiment of the eddy current retarder provided by the present invention, such as figure 1 Therefore, the magnetic poles 3e and 3d are located at the bottom of the retarder stator assembly. The distance between the circumference of the magnetic poles 3e and 3d and the center of the circle is r. In this way, compared with the prior art, when the retarder is installed on the vehicle, the space dimension of the retarder is still L, which remains unchanged. The distance from the circumference of the magnetic poles 3b, 3c, 3f, 3g, 3a and 3h to the center of the circle is R, and R is greater than r. The formula for calculating the total torqu...

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Abstract

The invention discloses a stator assembly for an eddy current retarder, which is used to increase its torque without increasing the height of the eddy current retarder, comprising a plurality of magnetic poles fixed on a stator disk, and the magnetic poles are composed of poles Composed of a pole and a coil wound outside the pole, the pole includes a first pole group and a second pole group, the first pole group is located on a first circle centered on the center of the eddy current retarder, the The second magnetic pole group is located on a second circle centered on the center of the compact eddy current retarder, and the radius of the first circle is smaller than the radius of the second circle.

Description

technical field [0001] The invention relates to an automobile component, in particular to a stator assembly and an eddy current retarder for an eddy current retarder. Background technique [0002] The eddy current retarder is an auxiliary braking device for automobiles. The device is installed between the car drive axle and the gearbox, and realizes non-contact braking through the principle of electromagnetic induction. The eddy current retarder can provide a strong braking torque in a fairly wide speed range, thereby avoiding safety hazards such as vehicle deviation, traditional brake failure and tire blowout, so it is widely used in motor vehicles, especially large machines on the train. [0003] The most common eddy current retarder in the prior art consists of a rotor, a stator assembly, a rotor adjusting gasket and a support frame. The stator assembly is usually composed of an even number of magnetic poles arranged on the stator disk in a certain positional relations...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K1/14H02K49/04
Inventor 刘增岗章立文
Owner TELMA AUTOMOBILE BRAKING SYST SHANGHAI
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