About 14 results
https://drivepatents.com/patents/1379216 · 12 Mar 2026
A fluid suspension system for a land vehicle is provided with a fluid biasing member with a first fluid port and a second fluid port. The fluid biasing member is adapted to be connected to a chassis and a first axle of a land vehicle spaced apart from a pi...
https://drivepatents.com/patents/970525 · 3 Sep 2014
The towing vehicle has a check valve (19.0) that is arranged in the piston rod side annular cylinder displacements (13.0.1,13.1.1) of a rear axle of a tandem axle, where the displacements are associated with a compensation- and suspension cylinder (13.0) t...
https://drivepatents.com/patents/970520 · 3 Sep 2014
The proportional directional control valve (10) has a single actuator (18), and a control piston (16) moved by actuator starting from first switching position in which working ports (A,B) of valve housing (12) are connected to tank port (T) of housing, via...
https://drivepatents.com/patents/980719 · 18 Dec 2013
A forklift truck (10) comprising a truck body (20), a drive wheel (30), first forks (40), second forks or support arms (50) and a hydraulic system (100) which comprises a first, a second and a third hydraulic line (D2, D3, D6) for delivering hydraulic flui...
https://drivepatents.com/patents/988897 · 10 Jul 2013
The device (24) has first and second valve units (18, 20) adjusted such that a third valve unit (22) is switched between the first and second valve units and a pressure supply (P). An actuator (16) comprises two actuator sides (KS, RS) that are alternately...
https://drivepatents.com/patents/1001126 · 20 Jun 2012
The device (H) has a switching valve (40) e.g. 2/3 switching valve, provided superior to driver sides (37, 39) of working flow 2/2-pressure regulating seat valves (35, 38). A pressure balanced 2/2-control flow pressure regulating seat valve (42) is provide...
https://drivepatents.com/patents/1066599 · 7 Jun 2006
A vehicle suspension system for a vehicle, including: (a) a plurality of suspension cylinders (10, 12, 14, 16; 130; 150, 152, 154, 156) each disposed between a chassis-side member (22) and a corresponding one of a plurality of wheel-side members (20); (b) ...
https://drivepatents.com/patents/1074326 · 7 Sep 2005
An automotive hydropneumatic suspension system acts on a working cylinder (12) and has a reservoir (10) linked to a fluid tank (T) via a valve (20; 52). Prior to activation of the suspension system the pressure in the reservoir is raised to about the same ...
https://drivepatents.com/patents/1079812 · 23 Feb 2005
Hydraulic spring system cylinders (10,12) between vehicle structure and axle each link their cylinder (14,16) and ring (18,20) chambers (RC) to pressure reservoirs (26,28) with optional links to a source (42) of pressure and a tank (34) via valve assemblie...
https://drivepatents.com/patents/1087088 · 19 May 2004
The hydropneumatic suspension has at least one suspension cylinder (10), at least one storage device, especially a hydraulic storage device (18), and a controllable valve (20), especially a proportional valve for enabling or inhibiting a fluidic connection...