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A magneto-rheological damper piston assembly with a subsidence active dispersion device

A technology of magnetorheological damper and piston assembly, applied in the direction of shock absorber, shock absorber, spring/shock absorber, etc. The effect of energy recovery

Active Publication Date: 2020-06-23
振声慧源(重庆)科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Unfortunately, due to the complexity of the mechanical structure and practical problems in engineering applications, this structure has not been effectively realized so far

Method used

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  • A magneto-rheological damper piston assembly with a subsidence active dispersion device
  • A magneto-rheological damper piston assembly with a subsidence active dispersion device
  • A magneto-rheological damper piston assembly with a subsidence active dispersion device

Examples

Experimental program
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Effect test

Embodiment 1

[0045] see figure 1 , a magneto-rheological damper piston assembly with a sedimentation active dispersion device, characterized in that it includes a working cylinder 1, a piston rod 2 and a piston assembly.

[0046] see Figure 4 , the working cylinder 1 is cylindrical. Several through grooves I101 and several through holes I102 are uniformly distributed around the working cylinder 1 , wherein the through grooves I101 are located on the inner surface of the working cylinder 1 , and its position is recorded as the balance position of the working cylinder 1 . The working cylinder 1 is filled with magnetorheological fluid.

[0047] see Figure 7 , the piston rod 2 is a hollow cylinder. The inner wall of the upper end of the piston rod 2 is processed with threads. A plurality of lead grooves I201 are opened on the end surface of the upper end of the piston rod 2 . The upper end of the piston rod 2 penetrates the inside of the working cylinder 1, and can reciprocate inside t...

Embodiment 2

[0070] see figure 1 , a magneto-rheological damper piston assembly with a sedimentation active dispersion device, characterized in that it includes a working cylinder 1, a piston rod 2 and a piston assembly.

[0071] see Figure 4 , the working cylinder 1 is cylindrical. Several through grooves I101 and several through holes I102 are uniformly distributed around the working cylinder 1 , wherein the through grooves I101 are located on the inner surface of the working cylinder 1 , and its position is recorded as the balance position of the working cylinder 1 . The working cylinder 1 is filled with magnetorheological fluid.

[0072] see Figure 7 , the piston rod 2 is a hollow cylinder. The inner wall of the upper end of the piston rod 2 is processed with threads. A plurality of lead grooves I201 are opened on the end surface of the upper end of the piston rod 2 . The upper end of the piston rod 2 penetrates the inside of the working cylinder 1, and can reciprocate inside t...

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Abstract

The invention discloses a magnetorheological damper piston assembly with a sedimentation active dispersion device, which includes a working cylinder, a piston rod and a piston assembly; the working cylinder is equipped with magnetorheological fluid; the upper end of the piston rod is inserted into Inside the working cylinder, the part where the lower end passes through the working cylinder is provided with an oil seal; the piston assembly includes a rotor, a stator, a top cover and a bottom cover; the outer circumferential wall of the rotor is provided with spiral ribs; the rotor The stator is loosely sleeved on the piston rod and located inside the working cylinder; the stator is sleeved on the rotor and located inside the working cylinder; a damping gap is formed between the stator and the rotor; the top cover is sleeved on the piston rod and located inside the working cylinder inside; the bottom cover is located in the working cylinder; the present invention causes the magnetorheological fluid to rotate and flow axially in the working cylinder through the damping gap through the rotation of the spiral ribs on the rotor, which not only realizes that the magnetorheological fluid settles after The redispersion of the magneto-rheological damper also helps the energy recovery of the magneto-rheological damper during normal operation.

Description

technical field [0001] The invention relates to the field of magnetorheological dampers, in particular to a magnetorheological damper piston assembly with a settlement active dispersing device. Background technique [0002] Magnetorheological fluid is a suspension formed by mixing tiny soft magnetic particles with high magnetic permeability and low magnetic hysteresis and non-magnetic liquid. This kind of suspension exhibits low-viscosity Newtonian fluid characteristics under the condition of zero magnetic field; while under the action of strong magnetic field, it presents high-viscosity, low-fluidity Bingham fluid characteristics. In the case of zero magnetic field, the magnetorheological fluid behaves as a liquid with good flow performance, and its apparent viscosity is very small; under the action of a strong magnetic field, the apparent viscosity can increase by more than two orders of magnitude in a short time (milliseconds), and presents Solid-like properties; and thi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F9/53F16F9/32F16F9/34F16F9/36
Inventor 张红辉杨涛廖昌荣谢磊
Owner 振声慧源(重庆)科技有限公司
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