US 12,345,343 B2
Anti-seize adjustable regulator
Ian Rodgers, Itasca, IL (US); and Moises Contreras Hernandez, Itasca, IL (US)
Assigned to Robertshaw Controls Company, Itasca, IL (US)
Filed by Ian Rodgers, Itasca, IL (US); and Moises Contreras Hernandez, Itasca, IL (US)
Filed on Sep. 21, 2023, as Appl. No. 18/370,951.
Claims priority of provisional application 63/410,359, filed on Sep. 27, 2022.
Prior Publication US 2024/0102566 A1, Mar. 28, 2024
Int. Cl. F16K 17/06 (2006.01); F16H 25/20 (2006.01)
CPC F16K 17/06 (2013.01) [F16H 25/2015 (2013.01); F16H 2025/209 (2013.01); F16K 2200/304 (2021.08)] 14 Claims
OG exemplary drawing
 
1. A regulating valve comprising:
a drive motor coupled to a drive screw;
a linear drive system operably coupled to the drive screw having a gear driven by a worm connected to the drive screw with the gear restrained by at least one guide to limit movement of the gear to linear movement;
a lifter operably coupled to the linear drive system;
a regulator spring continuously applying a first force against the lifter in a first direction against a valve seat and against a regulator in a second direction throughout a range of lifter motion, the first direction being opposite to the second direction; and
a stop located opposite a portion of the lifter from the regulator spring with the at least one guide extending from the stop towards the lifter, and whereby the linear drive system translates rotational motion of the drive screw to linear motion in the first and second direction without rotation.