A suspension system for controlling movement of a vehicle wheel may include a spring and damper assembly coupling the wheel to the vehicle chassis for movement of the wheel relative to the vehicle chassis. The spring and damper assembly may include a spring coupled to a damper member configured to extend and retract the wheel relative to the vehicle chassis. The suspension system may further include a damper actuator located remotely from the spring and damper assembly and configured to modify an amount of damping and/or wheel extension. The suspension system may also include a spring actuator integrated with the damper actuator and configured to control an amount of deflection of the spring and/or to alter a spring rate. The damper actuator may be provided at a location in the vehicle separated from the spring and damper assembly.

A suspension strut including an air spring unit and a damper unit that are aligned on a common axis is disclosed. The air spring unit includes a rolling tube having a flared terminal end that extends over a damper tube associated with the damper unit. The damper tube has a circumferential groove formed in an outer diameter of the damper tube. A retaining ring has a greater outer diameter than the outer diameter of the damper tube and is positioned in the circumferential groove. A base has an inner diameter less than the outer diameter of the retaining ring, and an outer diameter smaller than the predetermined diameter of the flared free end, and is supported on the retaining ring. A torsion element fits around the damper tube and within the flared free end.

Gas spring end members dimensioned for securement between an associated flexible spring member and an associated damper housing has a longitudinal axis. The end member includes an end member wall extending between first and second ends. An end wall portion is oriented transverse to the longitudinal axis and a side wall portion extends axially from along the end wall portion to a distal edge. An end member recess is dimensioned to receive the associated damper housing. A securement device removably retains the end member in operative engagement with the associated damper housing. Gas spring and damper assemblies and suspension systems are also included.

An assembly (AS1) in accordance with the subject matter of the present disclosure can include a gas spring (200), an internally-mounted device (300) and a mounting assembly (400, 500) operatively connecting the internally-mounted device to an end member (202, 204) of the gas spring (200). The mounting assembly (400, 500) can permit at least a portion of the internally-mounted device to undergo 360 degree rotational and pivotal displacement relative the end member (202, 204) of the as spring (200). The mounting assembly (400, 500) can include a device mount (402, 502) that can be operatively secured to the internally-mounted device (300) and a retainer (404, 504) that is secured to the end member (202, 204) and operatively retains the device mount (402, 502) adjacent the end member (202, 204). The device mount (402, 502) and the retainer (404, 504) can include complimentary semi-spherical surfaces that permit the relative movement between internally-mounted device (300) and the end member (202, 204) of the gas spring (200).

A gas spring and gas damper assembly includes a gas spring assembly and a gas damper assembly. The gas spring assembly includes a first wall portion, a second wall portion disposed in spaced relation to the first wall portion, and a flexible wall section connected therebetween. The gas damper assembly includes a third wall portion disposed in longitudinally-spaced relation to the first wall portion, and a second flexible wall section connected between the second wall portion and the third wall portion. A fourth wall portion is disposed between the first and second wall sections to define two pressurized gas chambers. A damper rod connects at least the first and third wall portions. Methods are also included.

A damper assembly includes a tubular member including a sidewall and a shoulder. The damper assembly includes a rod and a piston coupled to the rod. A secondary piston has a second contact surface, an opposing second surface, an inner cylindrical face defining a central aperture that receives the rod, and an outer cylindrical face. The opposing second surface includes one or more surface grooves, extending between the inner cylindrical face and the outer cylindrical face along the opposing second surface, and one or more bypass orifices disposed about the body member. The bypass orifices extend along the inner cylindrical face between the second contact surface and the opposing second surface. The secondary piston defines a channel extending between the inner cylindrical face and an outer periphery of the body member. The channel and bypass orifices form a fluid flow path when the piston contacts the secondary piston.

Provided is a vehicle capable of suppressing an increase in weight. A vehicle includes an air suspension device (pneumatic apparatus), an accumulator, and an air pump. Compressed air is supplied to the air suspension device. The accumulator stores compressed air to be supplied to the air suspension device. The air pump is driven by a relative movement between a vehicle body and wheels, and generates compressed air to be stored in the accumulator.

The invention relates to an air spring module having an air spring and a shock absorber for the suspension and damping of vibrations of a motor vehicle chassis. The air spring has a rolling bellows which is fastened to an air spring cover and a rolling piston. The rolling bellows at least partially delimits a first working space filled with compressed air. At least two working spaces are provided in the rolling piston, which are separated from one another by a partition and connectable to the first working space via switchable valves arranged in the rolling piston. In order to achieve simple production and installation as well as a low overall height, the rolling piston has at least two working spaces which are arranged adjacent to one another.

An airshock assembly is disclosed. The airshock assembly includes a shock absorber an airspring, and an air compressor assembly. The airspring is axially coupled with a portion of the shock absorber and used to modify a ride height of the shock absorber. The air compressor assembly is coupled with a portion of the shock absorber. The air compressor assembly is used to modify an air pressure in the airspring without requiring the airshock assembly to utilize an air reservoir.

A shock absorber including: a first cylinder having an interior, first and second ends and defining an axis, wherein the interior includes a damping fluid chamber and a damping piston movably mounted therein for movement between the first and second ends, wherein the damping piston is mounted on a first end of a shaft, wherein the first end of the shaft is movably retained within the interior of the first cylinder; first and second bypass openings configured for opening into the damping fluid chamber at first and second axially spaced-apart positions; a bypass channel fluidly coupling the first and second bypass openings; a fluid metering valve; and a floating piston dividing a portion of the shock absorber into a gas chamber and the reservoir chamber, wherein the fluid metering valve and the floating piston define the reservoir chamber there between.