Title:
CLEANING APPARATUS FOR OPTICAL WINDOW, ENGINE, AND METHOD FOR CLEANING OPTICAL WINDOW OF ENGINE
Document Type and Number:
WIPO Patent Application WO/2020/004181
Kind Code:
A1
Abstract:
This disclosure provides an apparatus for cleaning a surface of an optical window 32. The apparatus comprises: a first electrode 33 that is provided in an interior of the optical window and covered with a dielectric material forming the optical window; a second electrode 34a that is provided around a perimeter of the optical window and is exposed at the surface on at least one side of the optical window; an electric power source 50 that is electrically connected between the first electrode and the second electrode; and a control unit 60 that controls the electric power source 50 such that a high-frequency or pulsed voltage is applied across the first electrode and the second electrode by the electric power source, and a dielectric barrier discharge is generated along the surface 32a of the optical window.
Inventors:
TAKAHASHI EIICHI (JP)
SEGAWA TAKEHIKO (JP)
SEGAWA TAKEHIKO (JP)
Application Number:
PCT/JP2019/024314
Publication Date:
January 02, 2020
Filing Date:
June 19, 2019
Export Citation:
Assignee:
AIST (JP)
International Classes:
F02B23/08; F02P23/04; H05H1/24
Domestic Patent References:
| WO2016093214A1 | 2016-06-16 |
Foreign References:
| JP2008002280A | 2008-01-10 | |||
| JPH08165978A | 1996-06-25 |
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