US 12,403,462 B1
Fluid sampler
Thomas J Gieseke, Dighton, MA (US)
Assigned to The United States of America as represented by the Secretary of the Navy
Filed by The United States of America as represented by the Secretary of the Navy, Newport, RI (US)
Filed on Aug. 14, 2023, as Appl. No. 18/233,371.
Int. Cl. B01L 3/00 (2006.01); B01L 3/02 (2006.01)
CPC B01L 3/0217 (2013.01) [B01L 2200/0689 (2013.01); B01L 2300/042 (2013.01); B01L 2300/0832 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An apparatus for obtaining fluid samples comprising:
a body having a spring retention section, a sample volume section, and a sample strainer section, wherein the bottom of said spring retention section is attached to the top of said sample volume section and the bottom of said sample volume section is connected to the top of said sample strainer section;
a plunger shaft having a first end and a second end installed in said body and extending axially from the top of said spring retention section, through said sample volume section, to the bottom of said sample strainer section;
a spring disposed around the first end of said plunger shaft;
a sample volume cap attached to the second end of said plunger shaft; and
a plunger attached to said plunger shaft with said plunger located between said sample volume section and said sample strainer section.