G Zhang, J Chen, Z Zhang, M Sun, Y Yu… - Smart Materials and …, 2022 - iopscience.iop.org
This work describes the magnetic analysis of an innovative double cup-shaped gap magnetorheological (MR) clutch featuring with three smart MR gels. Four kinds of Halbach …
BW Deffenbaugh, HM Herr, GA Pratt… - US Patent 6,764,520, 2004 - Google Patents
Accordingly it is one important advantage of the present invention to overcome Some or all of the above limitations by providing a variable-torque magnetorheologically actu ated …
AV Clausen, M Oddsson - US Patent 8,057,550, 2011 - Google Patents
Certain embodiments of the invention relate to increasing the functionality of a transfemoral prosthetic device. In one embodiment, the transfemoral prosthetic device is configured such …
The extremely severe heating of magnetorheological (MR) brakes restricts their application in high-power situations. This study aims to develop a novel MR brake with a high-torque …
CR Bisbee III, HH Hsu - US Patent 7,455,696, 2008 - Google Patents
The invention in some embodiments relates to a dynamic seal for a prosthetic knee. The dynamic seal in one embodiment is utilized to seal a magnetorheological fluid comprising a …
HM Herr, A Wilkenfeld, O Bleck - US Patent 7,279,009, 2007 - Google Patents
The invention relates to an automated speed-adaptive and patient-adaptive control scheme and system for a knee prosthesis. The control scheme and system utilizes sensory …
VA Neelakantan… - Journal of Intelligent …, 2005 - journals.sagepub.com
Conventional shear mode transmission clutches using magnetorheological fluids (MRFs) can be either disc-shaped or cylindrical. The major drawbacks of these devices include the …
HM Herr, A Wilkenfeld, O Bleck - US Patent 7,799,091, 2010 - Google Patents
US PATENT DOCUMENTS 5,955,667 A 9/1999 Fyfe 5,957,981. A 9/1999 Gramnas 4.209, 860 A 7/1980 Graupe 5,960,918. A 10/1999 Moser et al. 4.212, 087 A 7, 1980 Mortensen …