Foreign matter detection sensor
US-9217679-B2 · Dec 22, 2015 · US
US9689756B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9689756-B2 |
| Application number | US-201414510709-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 9, 2014 |
| Priority date | Oct 9, 2014 |
| Publication date | Jun 27, 2017 |
| Grant date | Jun 27, 2017 |
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A tool for use in locating a pressure measurement device between a surface and a biasing member is provided. The tool includes a first indexing member configured to couple to a first side of the pressure measurement device, and a second indexing member configured to couple to a second opposing side of the pressure measurement device. The second indexing member includes an outer surface including a recess sized to receive at least a portion of the biasing member. The first and second indexing members are configured to be pressed between the biasing member and the surface such that the first and second indexing members compress against the pressure measurement device.
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What is claimed is: 1. A tool for use in locating a pressure measurement device between a surface and a biasing member configured to bias against and couple to the surface, said tool comprising: a first indexing member configured to couple to a first side of the pressure measurement device; and a second indexing member configured to couple to a second opposing side of the pressure measurement device, wherein said second indexing member comprises an outer surface comprising a recess sized to receive at least a portion of the biasing member, wherein said first and second indexing members are configured to be pressed between the biasing member and the surface such that said first and second indexing members compress against the pressure measurement device. 2. The tool in accordance with claim 1 , wherein said first and second indexing members have shapes that substantially mirror each other when coupled to the first and second opposing sides of the pressure measurement device. 3. The tool in accordance with claim 1 , wherein said recess forms side walls in said second indexing member that extend about said recess, wherein a gap is formed in at least one of said side walls. 4. The tool in accordance with claim 1 , wherein a shape of said recess is selected such that the at least a portion of the biasing member mates with said recess. 5. The tool in accordance with claim 4 , wherein the biasing member comprises a wiper arm, said recess shaped to receive at least a portion of the wiper arm. 6. The tool in accordance with claim 1 , wherein said first and second indexing members each comprise an inner surface comprising a notch sized to receive the pressure measurement device. 7. The tool in accordance with claim 1 , wherein said first and second indexing members each comprise a fastener opening defined therein sized to receive a fastener therethrough. 8. An assembly for use in measuring a pressure induced on a surface by a biasing member configured to bias against and couple to the surface, said assembly comprising: a pressure measurement device; a tool comprising: a first indexing member coupled to a first side of the pressure measurement device; and a second indexing member coupled to a second opposing side of the pressure measurement device, wherein said second indexing member comprises an outer surface comprising a recess sized to receive at least a portion of the biasing member, wherein said first and second indexing members are configured to be pressed between the biasing member and the surface such that said first and second indexing members compress against the pressure measurement device; and a display device coupled in communication with said pressure measurement device, wherein said display device is configured to display the pressure induced by the biasing member. 9. The assembly in accordance with claim 8 , wherein said pressure measurement device comprises a load cell. 10. The assembly in accordance with claim 8 further comprising a housing sized to receive said display device. 11. The assembly in accordance with claim 8 , wherein said first and second indexing members have shapes that substantially mirror each other when coupled to the first and second opposing sides of the pressure measurement device. 12. The assembly in accordance with claim 8 , wherein said recess forms side walls in said second indexing member that extend about said recess, wherein a gap is formed in at least one of said side walls. 13. The assembly in accordance with claim 8 , wherein said first and second indexing members are fabricated from a material having a hardness value less than a hardness value of the surface. 14. The assembly in accordance with claim 8 , wherein a shape of said recess is selected to mate with the at least a portion of the biasing member. 15. The assembly in accordance with claim 14 , wherein the biasing member comprises a wiper arm, said recess shaped to receive at least a portion of the wiper arm. 16. A method of measuring a pressure induced on a surface by a first biasing member configured to bias against and couple to the surface, the pressure measured with a pressure measurement device, said method comprising: positioning a tool between the first biasing member and the surface, wherein the tool comprises a first indexing member configured to be coupled between the surface and the pressure measurement device, and a second indexing member configured to be coupled between the biasing member and the pressure measurement device; coupling the first indexing member to the surface; coupling the first biasing member to the second indexing member; and obtaining pressure measurements as the first and second indexing members are pressed between the first biasing member and the surface. 17. The method in accordance with claim 16 , wherein coupling the first biasing member to the second indexing member comprises mating the first biasing member with a recess defined in an outer surface of the second indexing member. 18. The method in accordance with claim 16 , wherein coupling the first biasing member to the second indexing member comprising orienting the tool such that the first biasing member extends along a length of the second indexing member. 19. The method in accordance with claim 16 further comprising: coupling the first indexing member to a first side of the pressure measurement device; and coupling the second indexing member to a second opposing side of the pressure measurement device. 20. The method in accordance with claim 16 further comprising: positioning the tool between a second biasing member and the surface, wherein the second biasing member extends in a different direction than the first biasing member; coupling the second indexing member to the surface; and coupling the second biasing member to the first indexing member.
by measuring elastic deformation of gauges, e.g. of springs · CPC title
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