可授權專利


新型磁流變液阻尼器 


專利名稱 磁流變液阻尼器
專利國家
   專利證書號
美國 US 8,443,947 B2
專利權人 國立台北科技大學
發明人 蕭耀榮、黃耀寬
應用領域 運輸
需求項目 專利授權









技術摘要


A magneto-rheological fluid damper includes a housing, a magnetically permeable body, a spindle, and a magneto-rheological fluid. Given a plurality of multi-pole two-way magnetic poles and a plurality of multi-pole coils, magnetic lines pass through the magneto-rheological fluid mostly in a direction perpendicular to a gap, such that the magneto-rheological fluid features an enhanced chaining force. Accordingly, the magneto-rheological fluid damper enables an increase in a magnetically permeable area of the magneto-rheological fluid subjected to an applied magnetic field and enhancement of damping force, and is free from a complete system failure.


專利商品特色


What is claimed is:

1. A magneto-rheological fluid damper, comprising: a housing having an inner wall and an inner receiving chamber; a magnetically permeable body axially slidable within the inner receiving chamber and separable from the inner wall by a gap, the magnetically permeable body comprising an upper lid, a lower lid, an inner magnetic body, a non-magnetically permeable separating ring, an outer magnetic body, and a plurality of magnetically permeable rods, wherein the inner magnetic body, the non-magnetically permeable separating ring, and the outer magnetic body are arranged in a radial order and disposed between the upper lid and the lower lid, wherein the inner magnetic body and the non-magnetically permeable separating ring are spaced apart from each other by a spacing, the non-magnetically permeable separating ring adjoins the outer magnetic body, wherein the magnetically permeable rods are isometrically and radially arranged within the spacing, wherein each of the magnetically permeable rods has an end connected to the inner magnetic body and another end penetrating the non-magnetically permeable separating ring to connect with the outer magnetic body, wherein a coil is wound around each of the magnetically permeable rods; a spindle disposed at the upper lid and configured to protrude out of the housing and slide axially within the inner receiving chamber together with the magnetically permeable body; and a magneto-rheological fluid for filling the inner receiving chamber.

2. The magneto-rheological fluid damper of claim 1, further comprising a directing shaft disposed in the inner receiving chamber and having a guiding axle protruding axially and upward, wherein the magnetically permeable body has an axial passage which penetrates the upper lid, the inner magnetic body, and the lower lid such that the magnetically permeable body moves relative to the guiding axle while the guiding axle slides along the axial passage.

3. The magneto-rheological fluid damper of claim 2, wherein the directing shaft further has a disk, and the guiding axle is disposed at the disk.

4. The magneto-rheological fluid damper of claim 3, wherein the disk is confined to the housing by the inner wall thereof, configured to divide the inner receiving chamber into an upper inner receiving chamber and a lower inner receiving chamber, and penetrated by at least a via for communication between the upper inner receiving chamber and the lower inner receiving chamber.

5. The magneto-rheological fluid damper of claim 4, further comprising a gas storage chamber disposed in the lower inner receiving chamber.

6. The magneto-rheological fluid damper of claim 1, wherein the inner magnetic body is a hollow cylinder.

7. The magneto-rheological fluid damper of claim 1, wherein the non-magnetically permeable separating ring comprises two hemispherical non-magnetically permeable separating ring units coupled together.

8. The magneto-rheological fluid damper of claim 1, wherein the outer magnetic body comprises a plurality of C-shaped outer magnetic body units coupled together.

9. The magneto-rheological fluid damper of claim 8, wherein the outer magnetic body units number four.

10. The magneto-rheological fluid damper of claim 8, wherein adjacent ones of the outer magnetic body units are separated by an opening.

11. The magneto-rheological fluid damper of claim 1, wherein the magnetically permeable rods number four.

12. The magneto-rheological fluid damper of claim 1, wherein at least a through hole penetrates an upper lid-connected end of the spindle radially.


聯繫方式


聯絡人:技轉中心
電 話:(02)8772-0360
地 址:10608 台北市忠孝東路三段1號 國百館4樓
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