发明公开
EP1750018A2 Surfaces and articles resistant to impacting liquids
审中-公开
Oberflächenund Artikeln die gegen der Stosswirkung vonFlüssigkeitenbeständigsind。
- 专利标题: Surfaces and articles resistant to impacting liquids
- 专利标题(中): Oberflächenund Artikeln die gegen der Stosswirkung vonFlüssigkeitenbeständigsind。
-
申请号: EP06254002.6申请日: 2006-07-31
-
公开(公告)号: EP1750018A2公开(公告)日: 2007-02-07
- 发明人: Bhate, Nitin , Hsu, Ming Feng , O'Neill, Gregory Allen , Deng, Tao , Okuyama, Shannon Maile , Stein, Judith , Turnquist, Norman Arnold , Varanasi, Kripa Kiran
- 申请人: General Electric Company
- 申请人地址: One River Road Schenectady, NY 12345 US
- 专利权人: General Electric Company
- 当前专利权人: General Electric Company
- 当前专利权人地址: One River Road Schenectady, NY 12345 US
- 代理机构: Bedford, Grant Richard
- 优先权: US705239P 20050803; US487023 20060717
- 主分类号: F15D1/06
- IPC分类号: F15D1/06
摘要:
Articles resistant to wetting by impinging droplets of liquid are presented, as well as a method for resisting wetting of an article by impinging droplets of liquid. For example, an article (300) comprises a surface portion (320) oriented to intercept droplets (310) of a liquid impinging upon the article (300). This surface portion (320) comprises a plurality of surface features (330), wherein the plurality of surface features (330) has a median size, a , a median depth, h , and a median spacing, b . The parameters a , b , and h are selected to generate, in response to a droplet of the liquid impinging upon the surface portion (320) at a relative velocity v , a back pressure that is greater than a Bernoulli pressure generated by the drop upon impact on the surface portion (320). The method comprises providing a surface portion (320) oriented to intercept incoming droplets (310) of a liquid, the surface portion (320) comprising a plurality of features (330) so disposed on the surface to generate, in response to a drop of liquid impinging upon the surface portion (320) at a relative velocity of at least 5 m/s, a back pressure that is greater than a Bernoulli pressure generated by the drop upon impact on the surface portion (320); and exposing the surface portion (320) to droplets (310) of liquid moving at a velocity of at least about 5 m/s relative to the surface portion (320) so that the droplets (310) impinge upon the surface portion (320).
公开/授权文献
- EP1750018A3 Surfaces and articles resistant to impacting liquids 公开/授权日:2011-12-14
信息查询