About 11 results
https://drivepatents.com/patents/1359185 · 15 Feb 2024
A hydraulic-mechatronic system, for a vehicle that is connected to a target system, includes a housing with a fluid reservoir containing fluid, a communication port, a hydraulic pump, an electric motor for driving the hydraulic pump, at least one check val...
https://drivepatents.com/patents/950529 · 27 May 2015
To configure a hydraulic circuit (10) with a hydraulic pressure control valve (20) provided for regulating, in particular reducing, the pressure at a control pressure connection (33), having - at least one movable actuating member (30), whose end surfaces ...
https://drivepatents.com/patents/962241 · 18 Mar 2015
An air suspension device for a vehicle with an internal combustion engine comprises a first compressed air tank (10) which is connected to the internal combustion engine of the vehicle such that the internal combustion engine can push compressed air into t...
https://drivepatents.com/patents/998838 · 29 Aug 2012
The method involves using electronic system for controlling compressed air processing system, and compressed air reservoir for storing compressed air. The electronic unit for controlling air processing system during vehicle standstill is provided. Other el...
https://drivepatents.com/patents/1013804 · 20 Apr 2011
The trailer (10) has a support frame (12) with a carriage (16) arranged centrically in a driving direction. The carriage has lateral wheels (18) that are connected with a throttle valve having a hydraulic cylinder for height-adjustment of the frame relativ...
https://drivepatents.com/patents/1069223 · 15 Mar 2006
A hydraulic suspension unit for the front axle suspension of a tractor, comprises a hydraulic jack 10 having a cylinder body 12, a piston 14 arranged within the cylinder body 12 to define two variable volume working chambers 18, 20, a piston rod 16 connect...
https://drivepatents.com/patents/1082147 · 24 Nov 2004
A multi-circuit protection valve unit for air pressure-operated actuators in a vehicle comprises air inlet (4) and outlets (20,23,27,28) to a central region (12). A control (2) processes a signal of outlet pressure and compares it with a stored reference p...
https://drivepatents.com/patents/1096261 · 2 May 2003
An air-supply unit has a compressor (1) driven by a motor (2), a sound absorber (3) with one or more rubber tubes and an air-dryer (4) and supplies pneumatic springs (5) with air. The pneumatic springs each connect in series to valves (6) able to trigger i...
https://drivepatents.com/patents/1100668 · 30 Oct 2002
A piston for inserting into a cylinder, in particular into a cylinder (6) of a hydraulic damping means, with a piston body (23) having an annular groove (24) at its outside surface (26,27), and an elastic seal ring (25) fitted into said groove (24), wherei...
https://drivepatents.com/patents/1102359 · 21 Aug 2002
The control system for a hydropneumatic vehicle suspension has cylinders (1, 2) mounted between the sprung and unsprung masses. The piston chambers (3, 4) are fed from a first hydraulic tank (15) and the chambers around the piston rods (7, 8) from a second...