US 12,071,962 B2
Reservoir with variable charge pressure
Jerry L. Brinkley, Woodridge, IL (US); Matthew Klopfenstein, Chenoa, IL (US); Michelle Lass Sterrett, Chicago, IL (US); Joshua Zimmerman, New Holland, PA (US); and Hossein Gholizadeh, New Holland, PA (US)
Assigned to CNH Industrial America LLC, New Holland, PA (US)
Filed by CNH Industrial America LLC, New Holland, PA (US)
Filed on Nov. 28, 2022, as Appl. No. 18/070,122.
Prior Publication US 2024/0175452 A1, May 30, 2024
Int. Cl. F15B 1/26 (2006.01); B60K 25/00 (2006.01); F15B 13/044 (2006.01); F15B 15/20 (2006.01); B60K 31/06 (2006.01); F15B 1/10 (2006.01)
CPC F15B 1/26 (2013.01) [B60K 25/00 (2013.01); F15B 13/044 (2013.01); F15B 15/20 (2013.01); B60K 31/06 (2013.01); F15B 1/10 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A fluid system, comprising:
a reservoir having a first reservoir chamber and a second reservoir chamber separated by a movable barrier, the first reservoir chamber being configured to contain a working fluid;
a piston housing defining an internal volume;
a piston movable within the internal volume, the piston separating the internal volume into a first piston chamber and a second piston chamber, the second piston chamber being fluidly coupled to the second reservoir chamber; and
a fluid supply configured to provide a control fluid to the first piston chamber.