US 12,320,438 B2
High stability regulator
Jared Schlueter, Traverse City, MI (US); and Dan Mizell, Traverse City, MI (US)
Assigned to The Oilgear Company, Traverse City, MI (US)
Filed by The Oilgear Company, Traverse City, MI (US)
Filed on Oct. 20, 2023, as Appl. No. 18/491,487.
Application 18/491,487 is a division of application No. 17/574,141, filed on Jan. 12, 2022, granted, now 11,828,376.
Claims priority of provisional application 63/136,532, filed on Jan. 12, 2021.
Prior Publication US 2024/0044415 A1, Feb. 8, 2024
Int. Cl. F16K 17/04 (2006.01); F16K 17/06 (2006.01)
CPC F16K 17/0486 (2013.01) [F16K 17/065 (2013.01); Y10T 137/2607 (2015.04)] 12 Claims
OG exemplary drawing
 
1. A hydraulic regulator comprising: a vent valve that opens to provide a fluid path from a regulated pressure port to a vent port; a supply valve that opens to provide a fluid path from the regulated pressure port to a supply pressure port; and a control piston having a linear cam profile with a vent cam that opens the vent valve and a supply cam that opens the supply valve; wherein the vent cam and the supply cam are spaced apart axially along the control piston and the vent valve and the supply valve are spaced apart from one another such that only one of the vent valve and the supply valve are opened at once; and wherein the vent valve and the supply valve engage the control piston between the vent cam and the supply cam.