US 11,920,573 B2
Pressure exchanger
Poul Erik Hansen, Aabenraa (DK); and Tommi Kolb, Nordborg (DK)
Assigned to Danfoss A/S, Nordborg (DK)
Filed by Danfoss A/S, Nordborg (DK)
Filed on Jan. 24, 2022, as Appl. No. 17/582,149.
Claims priority of application No. 21153911 (EP), filed on Jan. 28, 2021.
Prior Publication US 2022/0235749 A1, Jul. 28, 2022
Int. Cl. F04B 1/2064 (2020.01); F04B 1/2035 (2020.01); F04F 13/00 (2009.01)
CPC F04B 1/2064 (2013.01) [F04B 1/2035 (2013.01); F04F 13/00 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A pressure exchanger comprising a housing, a drive shaft, and a cylinder drum rotatably arranged in the housing, the cylinder drum comprising two front faces and at least one cylinder between the front faces, wherein the housing comprises a port flange at each end of the cylinder drum and at least at one end of the cylinder drum a pressure shoe is arranged between the cylinder drum and the port flange of this end, wherein an adjustable stop arrangement is arranged between the pressure shoe and the cylinder drum, wherein the adjustable stop arrangement adjustably limits the maximum allowable movement of the pressure shoe between the port flange and the cylinder drum thus adjustably limiting the size of a gap between the pressure shoe and the port flange during start of the pressure exchanger.