Invention Grant
- Patent Title: Wireless actuators
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Application No.: US17284243Application Date: 2019-10-10
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Publication No.: US11892015B2Publication Date: 2024-02-06
- Inventor: Seyed M. Mirvakili , Ian W. Hunter
- Applicant: Massachusetts Institute of Technology
- Applicant Address: US MA Cambridge
- Assignee: MASSACHUSETTS INSTITUTE OF TECHNOLOGY
- Current Assignee: MASSACHUSETTS INSTITUTE OF TECHNOLOGY
- Current Assignee Address: US MA Cambridge
- Agency: PABST PATENT GROUP LLP
- International Application: PCT/US2019/055658 2019.10.10
- International Announcement: WO2020/077102A 2020.04.16
- Date entered country: 2021-04-09
- Main IPC: F15B15/10
- IPC: F15B15/10 ; F15B21/06 ; H01F1/44 ; F15B15/20 ; F15B15/14 ; B25J9/14

Abstract:
A method of performing wireless actuation by inductive heating of magnetic particles. The method provides a bladder having an inner surface and an outer surface, the inner surface forming an interior area, the bladder configured to expand or retract so as to change an area of the interior area, (ii) a plurality of magnetic particles suspended in a fluid medium and disposed within the interior area, and (iii) a sleeve disposed on the outer surface of the bladder. The method excites the plurality of magnetic particles by application of an alternating magnetic field to which the particles reaction. The method causes, by the excited magnetic particles, a phase transition to the fluid medium within the interior area which causes the bladder to expand, such that the sleeve confining the bladder generates actuation from the expansion or retraction of the bladder.
Public/Granted literature
- US20210355972A1 Wireless Actuators Public/Granted day:2021-11-18
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