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公开(公告)号：US20240215142A1
公开(公告)日：2024-06-27
申请号：US18553839
申请日：2022-06-02
Applicant: UNIVERSITY OF WASHINGTON
Inventor： Ravi Sankar Vaddi , Igor V. Novosselov , Alexander V. Mamishev
CPC classification number: H05H1/2439 , B64C23/005 , F15D1/0075 , F15D1/12
Abstract: Dielectric barrier discharge plasma actuators are described. In one embodiment, a fluid flow actuator includes: a dielectric sheet; and a first electrode of a dielectric barrier discharge-direct current augmented (DBD-DCA) actuator disposed on a first face of the dielectric sheet. The first electrode is exposed to a surrounding fluid. The fluid actuator also includes a second electrode of the DBD-DCA actuator disposed on a second face of the dielectric sheet. The second face of the dielectric sheet is opposite from the first face of the dielectric sheet. The first electrode and the second electrode are configured for receiving an alternating current (AC) voltage configured to locally ionize the fluid and to generate ions. A third electrode located downstream from the first electrode and the second electrode. The third electrode is configured for receiving a direct current (DC) voltage configured to accelerate the ions.
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公开(公告)号：US20240108923A1
公开(公告)日：2024-04-04
申请号：US18262594
申请日：2022-01-26
Applicant: University of Washington
Inventor： Alexander V. Mamishev , Abbie Sawyer , Anastasiya Makarevich , Richard Wang , Ravi Sankar Vaddi , Edward Martija , Sara Seulbee Shin
CPC classification number: A62B23/025 , A62B18/006 , A62B18/084
Abstract: The present disclosure provides a device for respiratory protection. The device includes a face shield having a first end and a second end opposite the first end. The device also includes a headband coupled to the first end of the face shield and the second end of the face shield. The device also includes an electrohydrodynamic (EHD) air filter system positioned along an entirety of a perimeter of the face shield.
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