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Dr Raj C Thiagarajan ATOA Scientific Technologies Dr Raj C Thiagarajan ATOA Scientific Technologies
Chaudhari Tansen Dhanahjay Gok, Theethira Poovanna Kushalappa, Jaarda Eric Jon, Thiagarajan Chinniah, Shuler Stephen: Energy absorbing articles. Gen Electric, January 4, 2006: EP1612108-A1 (2 worldwide citation)

An article comprises a plurality of auxetic structures (10) wherein the auxetic structures are of size greater than about 1mm. The article also comprises at least one cell boundary (20) that is structurally coupled (22,24) to the auxetic structures. The cell boundary is configured to resist a deform ...


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Dr Raj C Thiagarajan ATOA Scientific Technologies
Chaudhari Tansen D, Thiagarajan Chinniah, Theethira Poovanna K, Shuler Stephen, Jaarda Eric J: Energy absorbing article. General Electric Co &Lt Ge&Gt, March 16, 2006: JP2006-071093

PROBLEM TO BE SOLVED: To provide an energy absorbing system capable of reducing weight and volume and having better resistance property to deformation and higher collision impact energy absorbing property than currently available energy absorbing systems to meet today's rigorous safety standards whi ...


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Dr Raj C Thiagarajan ATOA Scientific Technologies
Chaudhari Tansen D, Thiagarajan Chinniah, Theethira Poovanna K, Shuler Stephen, Jaarda Eric J: Energy absorbing articles. Gen Electric, yuan chaohui, January 4, 2006: CN200510081042

An article comprises a plurality of auxetic structures (10) wherein the auxetic structures are of size greater than about 1mm. The article also comprises at least one cell boundary (20) that is structurally coupled (22,24) to the auxetic structures. The cell boundary is configured to resist a deform ...


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Fernand Navas: Application of an improved damper to an intervertebral stabilization device. Societe PSI, Dowell & Dowell, December 27, 1994: US05375823 (442 worldwide citation)

An improved damper, of the type comprising elements for progressively resisting, in exponential manner, the advance of a piston under the effect of a force of axial compression, which functions as a stop opposing any displacement of the piston beyond a predetermined value, in an intervertebral stabi ...


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J David Carlson, Michael J Chrzan: Magnetorheological fluid dampers. Lord Corporation, Richard K Thomson, Randall S Wayland, January 11, 1994: US05277281 (191 worldwide citation)

Magnetorheological (MR) fluid dampers are optimized. Dimensional relationships involved in the flow of magnetic flux are related to an operational parametric ratio of magnetic flux density in the fluid to the flux density in the steel. A magnetic valve is utilized to change the flow parameters of th ...


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Martyn R Shorten, Joseph J Skaja: Shock absorbing component and construction method. Retama Technology Corporation, Arnold White & Durkee, February 29, 2000: US06029962 (169 worldwide citation)

A shock absorbing component having a pair of surfaces with a plurality of inwardly extending indentations in the top and bottom surfaces. The indentations extend between the surfaces to provide support members for the shock absorbing component. At least some of the indentations are hemispherical. Th ...


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J David Carlson, Michael J Chrzan, Frank O James: Magnetorheological fluid devices. Lord Corporation, Richard K Thomson, Randall S Wayland, February 8, 1994: US05284330 (148 worldwide citation)

This invention relates to sealless designs of magnetorheological fluid dampers. With these sealless designs a piston rod extends above and below a piston head within a cylindrical housing and has frustoconical elastomer elements attached to and between the rod and housing to allow translation of the ...


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Mark L Pomeranz, R Saul Levinson: Shock absorbing devices using rheopexic fluid. Frishauf Holtz Goodman & Woodward, September 18, 1984: US04471538 (130 worldwide citation)

Shock absorbing devices utilize rheopexic fluid contained in a deformable sealed chamber which is subjected to external shock forces. Upon application of the shock forces to the deformable sealed chamber, the rheopexic fluid filled therein is exerted with shear stress which causes the rheopexic flui ...


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Karnopp Dean C, Crosby Michael J: System for controlling the transmission of energy between spaced members. Lord Corporation, Wright Esq James W, April 30, 1974: US3807678 (129 worldwide citation)

The system is semi-active and includes a passive isolator and an active damper coupled in parallel between spaced members. The damping characteristics of the damper are actively varied as a function of some control condition such as displacement, velocity, acceleration or the like for generating an ...



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