US 12,467,832 B2
Reversible flow sampler
Stanley Needle, Louisville, CO (US)
Assigned to BL TECHNOLOGIES, INC.
Appl. No. 18/277,680
Filed by BL TECHNOLOGIES, INC., Minnetonka, MN (US)
PCT Filed Feb. 16, 2022, PCT No. PCT/US2022/016522
§ 371(c)(1), (2) Date Aug. 17, 2023,
PCT Pub. No. WO2022/177934, PCT Pub. Date Aug. 25, 2022.
Claims priority of provisional application 63/150,258, filed on Feb. 17, 2021.
Prior Publication US 2024/0133776 A1, Apr. 25, 2024
Prior Publication US 2024/0230481 A9, Jul. 11, 2024
Int. Cl. G01N 1/20 (2006.01)
CPC G01N 1/2035 (2013.01) 20 Claims
OG exemplary drawing
 
1. A reversible flow sampler comprising:
a housing having a housing cover moveable between an open position and a closed position;
a sample chamber defined by the housing, said sample chamber having an inlet and an outlet;
a first opening defined by the housing;
a second opening defined by the housing; and
a shuttle movably disposed within the housing and coupled to the housing cover, the shuttle movable between a first shuttle position and a second shuttle position, wherein:
in the first shuttle position, the shuttle fluidly connects the first opening with the sample chamber inlet and fluidly connects the second opening with the sample chamber outlet such that a first fluid enters the first opening and exits the second opening, and
in the second shuttle position, the shuttle fluidly connects the second opening with the sample chamber inlet and fluidly connects the first opening with the sample chamber outlet such that a second fluid enters the second opening and exits the first opening.