A load sensor having a centrally disposed aperture element through which a fastening element of a vehicle air suspension assembly passes to affix the load sensor between the vehicle air suspension assembly and the vehicle suspension, wherein the load sensor has a force measurement sensor disposed proximate an elongate slot to generate a load signal which varies based on an amount of strain in the load sensor, wherein the load signal received by a load calculator allows calculation of the load exerted from the vehicle frame to the vehicle suspension.

An air spring suspension system includes a first air spring that has a first volume with a first pressure that is configured to provide a first spring stiffness to a first suspension assembly. A second air spring has a housing with a second volume with a second pressure that is configured to provide a second spring stiffness to a second suspension assembly. The second air spring includes a piston that is arranged in the second volume. One of the housing and the piston includes a first mounting structure that is configured to connect to a vehicle chassis. Another of the housing and the piston includes a second mounting structure that is configured to connect to the second suspension assembly. The second air spring also includes a fluid connection on the housing. The second air spring further includes a crosslink valve that is disposed in the housing and movable between open and closed positions. The crosslink valve is configured to selectively fluidly connect the second volume to the fluid connection. A crosslink line is fluidly connected to the first volume of the first air spring and the fluid connection on the second air spring. A controller is in communication with the crosslink valve. The controller is configured to command the crosslink valve between the open and closed positions in response to an input.

A load sensor having a centrally disposed aperture element through which a fastening element of a vehicle air suspension assembly passes to affix the load sensor between the vehicle air suspension assembly and the vehicle suspension, wherein the load sensor has a force measurement sensor disposed proximate an elongate slot to generate a load signal which varies based on an amount of strain in the load sensor, wherein the load signal received by a load calculator allows calculation of the load exerted from the vehicle frame to the vehicle suspension.

A suspension arrangement for a vehicle includes a piston for supporting a flexible bellows assembly of the suspension arrangement, said piston having a first portion connectable to the flexible bellows assembly and a second portion connectable to a wheel axle, said piston further having an outer side and an inner side, and wherein said suspension arrangement further comprises a mounting structure for positioning an insertable sensor device toward the flexible bellows assembly, said mounting structure extending at least from the outer side to the inner side and having an outer opening for receiving the insertable sensor device from an outside of the piston.

An air management system for a vehicle having a first pneumatic circuit and a second pneumatic circuit, in which the first and second pneumatic circuits are pneumatically connected in a neutral position via a cross-flow mechanism. The first pneumatic circuit includes a first leveling valve configured to adjust independently the height of a first side of the vehicle. The second pneumatic circuit includes a second leveling valve configured to adjust independently the height of a second side of the vehicle. The first and second leveling valves are configured to establish pneumatic communication between the first and second pneumatic circuits when the first leveling valve is not independently adjusting the height of the first side of the vehicle and the second leveling valve is not independently adjusting the height of the second side of the vehicle.

An air management system for a vehicle having a first pneumatic circuit and a second pneumatic circuit, in which the first and second pneumatic circuits are pneumatically connected in a neutral position via a cross-flow mechanism. The first pneumatic circuit is configured to independently adjust air pressure of a first side of the vehicle. The second pneumatic circuit is configured to independently adjust air pressure of a second side of the vehicle. The system is configured to establish pneumatic communication between the first and second pneumatic circuits when the air management system is not independently adjusting the adjust air pressure of the first side of the vehicle and the air pressure of the second side of the vehicle in the cross-flow mode.

A load sensor disposed between an air suspension assembly of a vehicle and a vehicle suspension, wherein the load sensor generates a load signal which varies based on an amount of force transferred from said vehicle frame to said vehicle suspension, wherein the load signal can be received by a load calculator to allow calculation of the load exerted from said vehicle frame to the vehicle suspension.

Gas spring sensors including a millimeter wave radar source and a target surface disposed in spaced relation to the radar source. The sensors also include a millimeter wave radar receptor operable to generate a signal upon receiving the radar waves reflected off the target surface. The radar source is operable to direct millimeter-length radar waves of a frequency greater than or equal to 120 gigahertz (GHz) and a wavelength of 2.5 millimeters or less toward the target surface. A processor is communicatively coupled with the radar source and the radar receptor, and is operable to determine a displacement and a relative velocity using pulsed Doppler or continuous wave frequency modulation radar methods that rely on time of flight and frequency phase shifts of pulsed or continuous radar waves. Gas spring assemblies including such sensors, and suspension systems including one or more of such gas spring assemblies are also included.

A load sensor disposed between an air suspension assembly of a vehicle and a vehicle suspension, wherein the load sensor generates a load signal which varies based on an amount of force transferred from said vehicle frame to said vehicle suspension, wherein the load signal can be received by a load calculator to allow calculation of the load exerted from said vehicle frame to the vehicle suspension.

Example bicycle suspension components and analysis devices are described herein. An example suspension component includes a first tube and a second tube configured in a telescopic arrangement having an interior space, a spring system including a pneumatic chamber containing a mass of a gas forming a pneumatic spring configured to resist compression of the telescopic arrangement, and a suspension component analysis (SCA) device. The SCA device may include a pressure sensor to detect a pressure of the gas in the pneumatic chamber and provide a signal indicative of the detected pressure and circuitry configured to receive the signal. The circuitry and the pressure sensor are at least partially disposed in the interior space.