US 12,292,410 B2
Apparatus for couplant management
Denis Faucher, Lévis (CA); and Alain Deschênes, Montmagny (CA)
Assigned to Evident Canada, Inc., Québec (CA)
Appl. No. 17/916,334
Filed by Evident Canada, Inc., Québec (CA)
PCT Filed Mar. 30, 2021, PCT No. PCT/CA2021/050416
§ 371(c)(1), (2) Date Sep. 30, 2022,
PCT Pub. No. WO2021/195756, PCT Pub. Date Oct. 7, 2021.
Claims priority of provisional application 63/003,379, filed on Apr. 1, 2020.
Prior Publication US 2023/0142564 A1, May 11, 2023
Int. Cl. G01N 29/22 (2006.01); G01N 29/11 (2006.01); G01N 29/265 (2006.01); G01N 29/28 (2006.01)
CPC G01N 29/225 (2013.01) [G01N 29/28 (2013.01); G01N 29/11 (2013.01); G01N 29/265 (2013.01); G01N 2291/044 (2013.01); G01N 2291/106 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A couplant feeding circuit plate comprising:
a housing comprising a wall extending circumferentially around a couplant cavity, the couplant cavity defined by the wall and a membrane;
a couplant port disposed in the wall, the couplant port fluidly coupled with the couplant cavity and being configured to route couplant to the couplant cavity; and
a vacuum port disposed in the wall, the vacuum port fluidly coupled with the couplant cavity and being configured to route at least a portion of the couplant from the couplant cavity.