A magnetorheological damper, wherein the damper comprises a housing that is at least partially filed with a magnetorheological fluid, and a magnetorheological valve disposed within the housing. The valve includes a magnetically permeable core having at least one coil reservoir formed therein, and at least one conductor coil, wherein each conductor coil is disposed around a portion of the core within a respective one of the coil reservoir(s). The valve additionally includes a fluid flow path adjacent the conductor coil(s). The fluid flow path is structured and operable to allow the magnetorheological fluid to flow adjacent the conductor coil(s). The valve further includes at least one coil cover, wherein each coil cover is disposed over a respective one of the coil(s) such that the respective coil is protected from exposure to magnetorheological fluid flowing through the fluid flow path.

The present disclosure relates to a hydraulic damper comprising a main tube, a piston assembly, a base valve assembly, and at least one hydraulic compression stop assembly cooperating with a compression valve assembly, and comprising a pin disposed slidably within the piston rod and biased to project an activating tip towards the compression chamber. Said compression valve assembly comprises at least one deflectable or floating disc covering compression flow passages, and biased by a piston member slidable along said axis and normally abutting a retaining surface, and a pressure chamber having one surface defined by a surface of said piston member abutting said retaining surface, wherein said pin upon sliding inside the piston rod facilitates a flow of the working liquid from the compression chamber into said pressure chamber to increase biasing load on said at least one deflectable or floating disc.

A dual piston adjuster for a shock absorber has a first damping piston and a second damping piston. A first fluid path includes a first cross-sectional flow area and provides fluid communication of a working fluid to bypass the damping pistons. A second fluid path provides fluid communication of the working fluid from the first fluid path through the first damping piston and the second damping piston in series. A third fluid path includes a second cross-sectional flow area and provides fluid communication of the working fluid from the second fluid path at a location between the first damping piston and the second damping piston to bypass the second damping piston. A first adjustable valve is provided to selectively adjust a first pressure drop of the working fluid in the first fluid path and a second adjustable valve is provided to selectively adjust a second pressure drop of the working fluid in the third fluid path.

A hydraulic damper comprises a main tube, a piston assembly, a base valve assembly, and a compression stop assembly. The compression stop assembly includes an insert defining an inner chamber, and a sleeve displaceable along with the main piston assembly and configured to be slidably introduced inside the inner chamber. The sleeve has a diameter lower than the diameter of the main tube defining a first external flow channel between the sleeve and the main tube; the sleeve is attached to the piston assembly by a spring disposed within the sleeve; and the insert is provided with a plurality of axially-spaced holes and has an annular flange adjoining the inner wall of the main tube and separating the compression chamber from a second external flow channel between the radially external outlets of the holes and the base valve assembly.

A damper including a tube, a piston, and a base line valve. The base line valve arranged in fluid communication with at least one of a first and second working chamber of the tube. The base line valve includes a housing, a plug slidably disposed in the housing along a valve axis between open and closed positions, and a spring. The plug includes a plug nose extending through an opening of the housing. The plug nose includes a first annular surface and a second annular surface. The first annular surface being sealingly engaged with a seat of the housing when the plug is in the closed position. The second annular surface being positioned radially inward of the seat by a first dimension when the plug is in the closed position and by a second dimension greater than the first dimension when the plug is in the open position.

A hydraulic pressure controller includes: a hydraulic pressure control mechanism including a brake control valve for controlling a hydraulic pressure of a brake fluid; and a control substrate including a brake control circuit that controls an operation of the brake control valve. The control substrate includes a suspension control circuit that controls an operation of a suspension control valve for controlling a damping force of a suspension of the vehicle, a first relay that enables energization between the brake control valve and a power supply, and that shuts off energization between the brake control valve and the power supply, and a second relay that enables energization between the suspension control valve and the power supply, and that shuts off energization between the suspension control valve and the power supply.

Provided is a solenoid comprising a molded coil, an anchor, and an armature. In the anchor, an outer peripheral convex portion and an inner peripheral convex portion are formed. When no current is being applied, axial distance between the outer peripheral convex portion of the anchor and an outer peripheral portion of the armature which is radially closest to the outer peripheral convex portion is smaller than axial distance between the inner peripheral convex portion of the anchor and an inner peripheral portion of the armature which is radially closest to the inner peripheral convex portion. In other words, timing at which the outer peripheral convex portion of the anchor and the outer peripheral portion of the armature face each other in a radial direction is shifted from timing at which the inner peripheral convex portion of the anchor and the inner peripheral portion of the armature face each other in the radial direction.

Active suspension actuator systems including an actuator with a compression volume and an extension volume are described. In some embodiments, the system includes one or more flow control devices in fluid communication with the compression volume and/or the extension volume of the actuator. In some instances, a flow control device may include a pressure balanced blow-off valve (PBOV). In some embodiments, the system includes a high capacity bidirectional base valve. In some embodiments, two or more flow control devices cooperate to, for example, damp low amplitude oscillations in the extension and/or compression volumes, and to allow the build-up of pump generated differential pressures while discharging rapid road induced differential pressure spikes between the extension and compression volumes.

A method for controlling vehicle motion is described. The method includes accessing a set of control signals including a measured vehicle speed value associated with a movement of a vehicle. A control signal associated with user-induced input is also accessed. The method compares the measured vehicle speed value with a predetermined vehicle speed threshold value to achieve a speed value threshold approach status, and then compares the set of values to achieve a user-induced input threshold value approach status. The method monitors a state of a valve within the vehicle suspension damper, and determines a control mode for the vehicle suspension damper. The method also regulates damping forces within the vehicle suspension damper.

The present application is directed to an externally adjustable internal bypass shock absorber that combines both the suspension function and the shock absorbing function in one unit. More particularly, the shock body houses a bypass cylinder that includes an upper bulkhead with adjuster rod pockets and check valves as well as a lower bulkhead having one or more check valves. The bypass cylinder includes one or more bypass tubes within bypass tube accepting cavities, in fluid communication with bypass adjuster valve blocks controlling the flow of hydraulic fluid within the bypass tubes. Adjuster rods are telescopically received inside the bypass adjuster block valves for controlling whether the individual oil flow ports are closed, partially open, or fully open. These adjuster rods provide an actuation means in the damper for manual or non-automatic adjustment allowing high speed and low speed as well as sway control on the external shock surface.