US 11,981,237 B2
Padding for a motor vehicle seat
Mohamed Ben Lagha, Paris (FR); Santi Sanchez, Paris (FR); and Christine Tonellato, Paris (FR)
Assigned to TESCA FRANCE, Paris la Défense (FR)
Appl. No. 17/283,290
Filed by TESCA FRANCE, Paris la Défense (FR)
PCT Filed Oct. 9, 2019, PCT No. PCT/EP2019/077259
§ 371(c)(1), (2) Date Sep. 27, 2021,
PCT Pub. No. WO2020/074537, PCT Pub. Date Apr. 16, 2020.
Claims priority of application No. 1859350 (FR), filed on Oct. 9, 2018.
Prior Publication US 2023/0023502 A1, Jan. 26, 2023
Int. Cl. B60N 2/58 (2006.01); B32B 5/02 (2006.01); B32B 5/26 (2006.01); B32B 7/12 (2006.01); B60N 2/70 (2006.01); B32B 5/18 (2006.01); B32B 5/24 (2006.01); B32B 9/02 (2006.01); B32B 9/04 (2006.01)
CPC B60N 2/70 (2013.01) [B32B 5/02 (2013.01); B32B 5/26 (2013.01); B32B 7/12 (2013.01); B32B 5/18 (2013.01); B32B 5/245 (2013.01); B32B 9/025 (2013.01); B32B 9/046 (2013.01); B32B 2255/02 (2013.01); B32B 2255/26 (2013.01); B32B 2262/0261 (2013.01); B32B 2262/0276 (2013.01); B32B 2307/546 (2013.01); B32B 2307/718 (2013.01); B32B 2601/00 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A padding for a motor vehicle seat, the padding comprising:
a cover upholstering the padding, the cover having an area for receiving a passenger,
a sheet for measuring multizone pressure, the sheet extending facing the whole of the area, the sheet comprising means for connection to an electronic system for measuring the pressure exerted by an occupant of the padding at various zones of the area, the sheet comprising:
a flexible support layer,
a first electrode comprising a plurality of first current-conduction lines, each of the first current-conduction lines having a first end forming a first contact element,
a second electrode overlapping the first electrode, the second electrode comprising a plurality of second current-conduction lines, each of the second current-conduction lines having a second end forming a second contact element,
each first element being disposed facing a respective second element,
a plurality of intermediate contact elements having piezoresistive properties, each of the intermediate elements being inserted between a respective first and second element to form a plurality of pressure sensors formed by a stack of the contact elements, the sensors being distributed over the support layer,
an elastically compressible stuffing block,
and wherein,
the support layer is made of mesh,
the first electrode is made from conductive ink printed on the support layer,
the second electrode is made from printed conductive ink,
the intermediate contact elements are made from printed conductive ink with less conductivity than that of the inks of the first and second electrodes.