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公开(公告)号：US11384810B2
公开(公告)日：2022-07-12
申请号：US16166505
申请日：2018-10-22
发明人： Amirahmad Mohammadi
IPC分类号： F16F9/32 , B23K31/02 , B21D22/02 , B23K26/24 , F16F9/10 , B23K26/38 , B23K101/06 , B23K103/04
摘要： A shock absorber pressure tube defining a working chamber is provided. A piston assembly coupled to a piston rod is slidably disposed in the pressure tube and divides the working chamber into upper and lower working chambers. A reserve tube surrounds the pressure tube to define a reserve chamber. A base valve assembly, position at one end of the pressure tube, controls fluid flow between the lower working chamber and the reserve chamber. The reserve tube comprises first and second open shells that are joined together at longitudinal seams to create a substantially cylindrical shape. The first and second open shells may be made from patchwork blanks, tailor welded blanks, tailor rolled blanks, or tailor heat treated blanks to give different portions of the first and second open shells different thicknesses, strengths, properties, or characteristics.
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公开(公告)号：US11009095B2
公开(公告)日：2021-05-18
申请号：US16181726
申请日：2018-11-06
发明人： Amirahmad Mohammadi
摘要： A damper including a damper tube, a piston assembly, a piston rod attached to the piston assembly, and a monolithic base. The piston assembly is slidingly disposed within the damper tube. The monolithic base includes a closed end, an open end, a base portion at the closed end, and a wall portion. The base portion is joined to and seals one end of the damper tube. The base portion includes a concave depression that tapers inwardly from a base portion perimeter to a cup bottom. The wall portion extends longitudinally from the base portion perimeter to the open end such that the cup bottom is positioned between opposing sides of the wall portion. Integrally formed fastening eyes are provided in the opposing sides of the wall portion.
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公开(公告)号：US20210131516A1
公开(公告)日：2021-05-06
申请号：US17147066
申请日：2021-01-12
发明人： Amirahmad Mohammadi
摘要： A method of manufacturing a damper tube is provided. The method includes providing a tube having a first end and a second end opposite to the first end. The method includes providing a reinforcing insert, at least partly, within the first end of the tube. The method includes flattening a portion of the first end of the tube. The method also includes bending at least one of the reinforcing insert and the flattened portion of the first end of the tube into a loop. The method further includes connecting an edge of the loop to the tube.
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公开(公告)号：US11378149B2
公开(公告)日：2022-07-05
申请号：US17147066
申请日：2021-01-12
发明人： Amirahmad Mohammadi
摘要： A method of manufacturing a damper tube is provided. The method includes providing a tube having a first end and a second end opposite to the first end. The method includes providing a reinforcing insert, at least partly, within the first end of the tube. The method includes flattening a portion of the first end of the tube. The method also includes bending at least one of the reinforcing insert and the flattened portion of the first end of the tube into a loop. The method further includes connecting an edge of the loop to the tube.
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公开(公告)号：US10920847B2
公开(公告)日：2021-02-16
申请号：US16045271
申请日：2018-07-25
发明人： Amirahmad Mohammadi
摘要： A method of manufacturing a damper tube is provided. The method includes providing a tube having a first end and a second end opposite to the first end. The method includes providing a reinforcing insert, at least partly, within the first end of the tube. The method includes flattening a portion of the first end of the tube. The method also includes bending at least one of the reinforcing insert and the flattened portion of the first end of the tube into a loop. The method further includes connecting an edge of the loop to the tube.
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公开(公告)号：US20180328441A1
公开(公告)日：2018-11-15
申请号：US16045271
申请日：2018-07-25
发明人： Amirahmad Mohammadi
CPC分类号： F16F9/3242 , F16F9/3271 , F16F9/54
摘要： A method of manufacturing a damper tube is provided. The method includes providing a tube having a first end and a second end opposite to the first end. The method includes providing a reinforcing insert, at least partly, within the first end of the tube. The method includes flattening a portion of the first end of the tube. The method also includes bending at least one of the reinforcing insert and the flattened portion of the first end of the tube into a loop. The method further includes connecting an edge of the loop to the tube.
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