US 12,066,226 B2
Service tools and systems for processing fluid through a fluid access port
Robert Danielson, Roseville, MN (US); and Allen Wagenius, Roseville, MN (US)
Assigned to FasTest, Inc., Roseville, MN (US)
Filed by FasTest, Inc., Roseville, MN (US)
Filed on May 20, 2022, as Appl. No. 17/664,302.
Claims priority of provisional application 63/190,900, filed on May 20, 2021.
Prior Publication US 2022/0373239 A1, Nov. 24, 2022
Int. Cl. F25B 41/40 (2021.01); F25B 45/00 (2006.01)
CPC F25B 41/40 (2021.01) [F25B 45/00 (2013.01); F25B 2345/005 (2013.01); F25B 2345/006 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A service tool for connecting to a fluid access port that is operable with a removable core which is configured to control fluid flow through the fluid access port when the removable core is mounted within the fluid access port, the service tool comprising:
a generally hollow cylindrical body having a first end, a second end and a longitudinal axis;
a latching connecter at the first end of the generally hollow cylindrical body, the latching connector is configured to releasably connect the generally hollow cylindrical body to the fluid access port;
a torque assembly disposed within the generally hollow cylindrical body, the torque assembly is rotatable relative to the generally hollow cylindrical body about the longitudinal axis;
the torque assembly includes a fluid flow passageway through which fluid can flow, a poppet valve in the fluid flow passageway that controls fluid flow through the fluid flow passageway, the poppet valve is rotatable with the torque assembly relative to the generally hollow cylindrical body, and a seat defined on the torque assembly that is configured to hold the removable core thereon so that the removable core is rotatable with the torque assembly.