Title:
CHEMICALLY RESISTANT MULTILAYERED COATING FOR A MEASURING DEVICE USED IN PROCESS ENGINEERING
Document Type and Number:
WIPO Patent Application WO/2016/041727
Kind Code:
A3
Abstract:
Field device (7, 12) used in process and/or automation engineering for monitoring at least one chemical or physical process variable of a medium (16) in a component (17) carrying a medium at least partially and temporarily and comprising at least an electronic unit (14) and a sensor unit (15), wherein at least one portion of at least one component (3) of the sensor unit is in contact with the medium at least temporarily, the at least one portion of the component (3) in contact with the medium is provided with a chemically resistant multilayered coating (2) consisting of at least two layers, wherein a first layer (4) is made of a material consisting of a densely packed atomic arrangement which provides a protection against corrosion by said medium, and a second layer (5) consisting of a chemically resistant plastic material is arranged around the first layer (4) and protects the first layer against outer damage and corrosion.
Inventors:
SULZER THOMAS (CH)
SEEFELD PETER (DE)
LOPATIN SERGEJ (DE)
TOUZIN MIKE (DE)
GETMAN IGOR (DE)
FUNKEN DIETER (DE)
SEEFELD PETER (DE)
LOPATIN SERGEJ (DE)
TOUZIN MIKE (DE)
GETMAN IGOR (DE)
FUNKEN DIETER (DE)
Application Number:
PCT/EP2015/069061
Publication Date:
October 27, 2016
Filing Date:
August 19, 2015
Export Citation:
Assignee:
ENDRESS & HAUSER GMBH & CO KG (DE)
International Classes:
G01F15/00; G01F23/296; G01L19/06
Domestic Patent References:
| WO2001066269A1 | 2001-09-13 |
Foreign References:
| EP0736757A1 | 1996-10-09 | |||
| US20130291650A1 | 2013-11-07 | |||
| DE29501626U1 | 1995-03-23 |
Other References:
See also references of EP 3194906A2
Attorney, Agent or Firm:
ANDRES, Angelika (Colmarer Str. 6, Weil am Rhein, DE)
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