US 12,188,567 B2
Fluid circuit comprising three way valve with adjustment device
Nicolas Granottier, Lyons (FR); and Guillaume Malsot, Marennes (FR)
Assigned to VOLVO TRUCK CORPORATION, Gothenburg (SE)
Filed by VOLVO TRUCK CORPORATION, Gothenburg (SE)
Filed on Nov. 24, 2021, as Appl. No. 17/456,438.
Claims priority of application No. 21305062 (EP), filed on Jan. 19, 2021.
Prior Publication US 2022/0228668 A1, Jul. 21, 2022
Int. Cl. F16K 11/10 (2006.01); F28F 27/02 (2006.01)
CPC F16K 11/105 (2013.01) [F28F 27/02 (2013.01); F28F 2250/06 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A fluid circuit comprising a 3-way valve, the 3-way valve comprises a central channel into which opens an inlet port, a first outlet port and a second outlet port, the 3-way valve comprises an adjustment device, wherein the adjustment device comprises a first piston mounted coaxially in the central channel, the first piston comprises a first window and a second window, wherein the first window is arranged to move away from a first orifice when the 3-way valve is in an open position for the first orifice, wherein the second window is arranged to move away from a second orifice when the 3-way valve is in an open position for the second orifice, and wherein a shutter is mounted on the edge of the first window, the shutter being actuated by movement of the first piston and ensuring at least partial closure of the first orifice of the 3-way valve, ensuring that the first outlet port opens when simultaneously the second outlet port closes and the first outlet port closes when simultaneously the second outlet port opens in a manner that the closing speed of the first outlet port is faster than the opening speed of the second outlet port.