Multi-component sensing coating for pressure and temperature measurements

Patent metadata

Field	Value
Publication number	US-9970913-B2
Application number	US-201414502922-A
Country	US
Kind code	B2
Filing date	Sep 30, 2014
Priority date	Sep 30, 2014
Publication date	May 15, 2018
Grant date	May 15, 2018

Abstract

An environment sensitive coating system is disclosed that includes a pressure sensitive component comprising a first portion of an oxygen sensitive light emitting material dispersed in an oxygen permeable binder; and a pressure reference component comprising a second portion of the oxygen sensitive light emitting material dispersed in an oxygen impermeable binder.

First claim

What is claimed is:

1. A method of applying an environment sensitive coating system to a substrate, comprising:
applying a pressure sensitive component comprising a first portion of an oxygen sensitive light emitting material embedded in an oxygen permeable binder in a first pattern to the substrate; and
applying a pressure reference component comprising a second portion of the oxygen sensitive light emitting material embedded in an oxygen impermeable binder in a second pattern to the substrate, wherein at least one of the first and the second patterns comprises a plurality of discrete dots having a lateral dimension less than 0.1 mm and a thickness less than 0.1 mm.

2. The method of claim 1 , wherein applying the pressure sensitive component in the first pattern comprises depositing a flowable pressure sensitive precursor comprising the first portion of the oxygen sensitive light emitting material and the oxygen permeable binder to the substrate according to the first pattern and hardening the flowable pressure sensitive precursor to form the pressure sensitive component; and wherein applying the pressure reference component in the second pattern comprises depositing a flowable pressure reference precursor comprising the second portion of the oxygen sensitive light emitting material and the oxygen impermeable binder to the substrate according to the second pattern and hardening the flowable pressure reference precursor to form the pressure reference component.

3. The method of claim 1 , wherein the oxygen permeable binder and the oxygen impermeable binder are each usable for 3D printing or inkjet printing.

4. A method of applying an environment sensitive coating system to a substrate, comprising:
applying a pressure sensitive component comprising a first portion of an oxygen sensitive light emitting material embedded in an oxygen permeable binder in a first pattern to the substrate; and
applying a pressure reference component comprising a second portion of the oxygen sensitive light emitting material embedded in an oxygen impermeable binder in a second pattern to the substrate, wherein applying the pressure sensitive component in the first pattern comprises depositing a flowable pressure sensitive precursor comprising the first portion of the oxygen sensitive light emitting material and the oxygen permeable binder to the substrate according to the first pattern and hardening the flowable pressure sensitive precursor to form the pressure sensitive component; and wherein applying the pressure reference component in the second pattern comprises depositing a flowable pressure reference precursor comprising the second portion of the oxygen sensitive light emitting material and the oxygen impermeable binder to the substrate according to the second pattern and hardening the flowable pressure reference precursor to form the pressure reference component, and wherein depositing the flowable pressure sensitive precursor and the flowable pressure reference precursor to the substrate is performed using a 3D printer.

5. A method of applying an environment sensitive coating system to a substrate, comprising:
applying a pressure sensitive component comprising a first portion of an oxygen sensitive light emitting material embedded in an oxygen permeable binder in a first pattern to the substrate; and
applying a pressure reference component comprising a second portion of the oxygen sensitive light emitting material embedded in an oxygen impermeable binder in a second pattern to the substrate, wherein applying the pressure sensitive component in the first pattern comprises depositing a flowable pressure sensitive precursor comprising the first portion of the oxygen sensitive light emitting material and the oxygen permeable binder to the substrate according to the first pattern and hardening the flowable pressure sensitive precursor to form the pressure sensitive component; and wherein applying the pressure reference component in the second pattern comprises depositing a flowable pressure reference precursor comprising the second portion of the oxygen sensitive light emitting material and the oxygen impermeable binder to the substrate according to the second pattern and hardening the flowable pressure reference precursor to form the pressure reference component, and wherein depositing the flowable pressure sensitive precursor to the substrate comprises:
positioning the substrate on a work surface of a 3D printer;
flowing the flowable pressure sensitive precursor to a dispenser of the 3D printer;
applying energy to the flowable pressure sensitive precursor; and
dispensing the flowable pressure sensitive precursor onto the substrate in a plurality of dots according to the first pattern; and wherein hardening the flowable pressure sensitive precursor comprises curing the flowable pressure sensitive precursor.

6. The method of claim 5 , wherein depositing the flowable pressure reference precursor to the substrate comprises:
positioning the substrate on a work surface of a 3D printer;
flowing the flowable pressure reference precursor to a dispenser of the 3D printer;
applying energy to the flowable pressure reference precursor; and
dispensing the flowable pressure reference precursor onto the substrate in a plurality of dots according to the second pattern; and wherein hardening the flowable pressure reference precursor comprises curing the flowable pressure reference precursor.

7. A method of applying an environment sensitive coating system to a substrate, comprising:
applying a pressure sensitive component comprising a first portion of an oxygen sensitive light emitting material embedded in an oxygen permeable binder in a first pattern to the substrate; and
applying a pressure reference component comprising a second portion of the oxygen sensitive light emitting material embedded in an oxygen impermeable binder in a second pattern to the substrate, wherein applying the pressure sensitive component in the first pattern comprises depositing a flowable pressure sensitive precursor comprising the first portion of the oxygen sensitive light emitting material and the oxygen permeable binder to the substrate according to the first pattern and hardening the flowable pressure sensitive precursor to form the pressure sensitive component; and wherein applying the pressure reference component in the second pattern comprises depositing a flowable pressure reference precursor comprising the second portion of the oxygen sensitive light emitting material and the oxygen impermeable binder to the substrate according to the second pattern and hardening the flowable pressure reference precursor to form the pressure reference component, and wherein depositing the flowable pressure sensitive precursor to the substrate comprises:
positioning the substrate on a work surface of an inkjet printer;
flowing the flowable pressure sensitive precursor to one or more dispensers of the inkjet printer; and
dispensing the flowable pressure sensitive precursor onto the substrate in a plurality of dots according to the first pattern; and wherein hardening the flowable pressure sensitive precursor comprises curing the flowable pressure sensitive precursor.

8. The method of claim 7 , wherein depositing the flowable pressure reference precursor to the substrate comprises:
positioning the substrate on a work surface of an inkjet printer;
flowing the flowable pressure reference precursor to one or more dispensers of the inkjet printer; and
dispensing the flowable pressure reference precursor onto the substrate in a plurality of dots according to the second pattern; and wherein hardening the flowable pressure reference precursor comprises curing the flowable pressure reference precursor.

Assignees

• Boeing Co

Inventors

• Ponomarev Sergey G
• Mclean James Douglas

Classifications

• G01L11/00

  Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 · CPC title

• B29K2995/0065

  Permeability to gases · CPC title

• G01N2021/7786

  Fluorescence · CPC title

• G01N31/22

  using chemical indicators (G01N31/02 takes precedence) · CPC title

• G01L11/02

  by optical means · CPC title