US 12,269,311 B2
Dual tube load distribution unit for vehicle suspension system
Peter Boon, Merchtem (BE); Tom Daniels, Testelt (BE); and Paolo Diomedi, Brussels (BE)
Assigned to DRiV Automotive Inc., Northville, MI (US)
Filed by DRiV Automotive Inc., Northville, MI (US)
Filed on Apr. 18, 2023, as Appl. No. 18/302,318.
Prior Publication US 2024/0351391 A1, Oct. 24, 2024
Int. Cl. B60G 17/08 (2006.01); B60G 13/08 (2006.01); B60G 21/06 (2006.01)
CPC B60G 17/08 (2013.01) [B60G 13/08 (2013.01); B60G 21/06 (2013.01); B60G 2202/24 (2013.01); B60G 2202/415 (2013.01); B60G 2500/10 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A suspension system, comprising:
a plurality of dampers including a front left damper with a first compression chamber and a first rebound chamber, a front right damper with a second compression chamber and a second rebound chamber, a back left damper with a third compression chamber and a third rebound chamber, and a back right damper with a fourth compression chamber and a fourth rebound chamber;
a plurality of hydraulic circuits including a first hydraulic circuit that extends between and fluidly connects said first compression chamber of said front left damper and said fourth rebound chamber of said back right damper, a second hydraulic circuit that extends between and fluidly connects said second compression chamber of said front right damper and said third rebound chamber of said back left damper, a third hydraulic circuit that extends between and fluidly connects said first rebound chamber of said front left damper and said fourth compression chamber of said back right damper, and a fourth hydraulic circuit that extends between and fluidly connects said second rebound chamber of said front right damper and said third compression chamber of said back left damper;
at least one load distribution unit arranged in fluid communication with at least two hydraulic circuits in said plurality of hydraulic circuits; and
said load distribution unit including a manifold block with a first cylinder bore, a first pair of pressure tubes that are at least partially received in said first cylinder bore on opposing sides of said manifold block to define a first pair of opposed cylinders, a first piston rod assembly with a first piston rod and a first pair of opposed pistons that are mounted on said first piston rod and are slidingly received within said first pair of opposed cylinders, and a first pair of reserve tubes that are at least partially received in said first cylinder bore on opposing sides of said manifold block and are arranged annularly about said first pair of pressure tubes to define a first pair of reservoir chambers between said first pair of pressure tubes and said first pair of reserve tubes.