| Entries |
| Document | Title | Date |
|---|
| 20080238017 | Air suspense system for a vehicle - An air suspension system for a load bearing vehicle which includes a pair of air springs fluidly connected to a pair of auxiliary air reservoirs and to a main air reservoir. The system includes control valves which permit the air in the air springs to be exhausted therefrom to lower the vehicle frame without exhausting the air from the auxiliary air reservoirs. | 10-02-2008 |
| 20080258419 | Suspension for a wheel of a motor-vehicle, in particular a bus - In a suspension for a wheel of a motor-vehicle, supporting, through a corresponding articulated spindle, V-shape arms, receiving a spring forming resilient cushioning element thereon the motor vehicle body bears, the resilient cushioning element comprises a base bearing on parallel guides of the V-shape arms, thereby forming a bearing surface, the central guide including a hole for receiving a throughgoing clamping screw for clamping the resilient cushioning element at a target position. | 10-23-2008 |
| 20080272570 | Gas Spring Suspension System - A gas spring suspension system that maximizes the travel of the suspension system. The suspension system includes an outer tube and an inner tube slidable within the outer tube. A piston assembly is slidably mounted in the inner tube to sealingly separate a positive spring and a negative gas chamber. A floating piston is slidably mounted in the inner tube to separate a gas chamber from the negative gas chamber. The positive spring biases the inner and outer tubes apart from each other and the negative gas chamber biases the inner and outer tubes toward each other. The floating piston is configured to slidably displace within the inner tube in response to pressure differentials between the negative gas chamber and the gas chamber. | 11-06-2008 |
| 20090134595 | APPARATUS COMPRISING A SUSPENSION SYSTEM AND METHOD FOR ADJUSTING A SUSPENSION SYSTEM - An apparatus having a suspension system with a first part which is acted upon by a mass, a second part, and also an air spring arranged between this first part and this second part. At least one supplementary volume device for air is provided, the volume of which can be varied in a controlled manner, and also a first control device for adjusting the volume of the supplementary volume device. | 05-28-2009 |
| 20100066051 | METHODS AND APPARATUS FOR SUSPENSION LOCK OUT AND SIGNAL GENERATION - Methods and apparatus for regulating the function of a suspension system are disclosed herein. Suspension characteristics often contribute to the efficiency of a suspended system. Depending on the desired operating parameters of the suspended system, it may be desirable to alter the functional characteristics of the suspension from time to time in order to maintain or increase efficiency. The suspension hereof may be selectively locked into a substantially rigid configuration, and the damping fluid may be phase separated and/or cooled to increase damping rate during use (or offset rate degradation). The suspension hereof may generate power usable to achieve any or all of the foregoing or to be stored for use elsewhere in the suspended system or beyond. | 03-18-2010 |
| 20100109276 | CONTROLLABLE VEHICLE SUSPENSION SYSTEM WITH MAGNETO-RHEOLOGICAL FLUID DEVICE - A controllable suspension system for controlling the relative motion between a first body and a second body includes at least one strut including a magneto-rheological fluid damper. The fluid damper includes a piston rod guide disposed within a damper body. The piston rod guide has a passage therein for receiving a piston rod. A piston rod bearing assembly is disposed in the piston rod guide to engage with and support reciprocal motion of the piston rod. At least a first piston rod seal and at least a second piston rod seal are arranged to seal between the piston rod guide and the piston rod. A fluid chamber is defined between the piston rod guide and the piston rod. A piston rod guide gas charged accumulator is arranged between the piston rod and the damper body. | 05-06-2010 |
| 20100207347 | SPRING STRUT BEARING - A suspension strut bearing for supporting the top end of a suspension strut in a motor vehicle. The suspension strut comprises an inner part ( | 08-19-2010 |
| 20100270769 | SUSPENSION SYSTEM WITH A RETROFIT SUSPENSION KIT - The suspension system of the present invention broadly comprises a method of retrofitting an existing torsion axle suspension carried by a frame with an air spring comprising the steps of removing an original torsion axle that was fixed to a frame from the frame and mounting the torsion axle to at least one rotatable arm such that rotation of the arm causes vertical translation of the original torsion axle. The suspension system also comprises a retrofit kit for use with a torsion axle suspension system having a torsion axle and a spindle comprising a hanger bracket adapted to be attachable to the frame, a pivot arm for mounting to the hanger bracket and adapted for rotatably supporting the existing torsion axle, an air spring, a support assembly secured to the pivot arm for supporting the air spring, and an attachment for securing the pivot arm to the support assembly. | 10-28-2010 |
| 20110006499 | SELF-GUIDED AIR SPRING ASSEMBLY - An air spring assembly includes a pedestal that has one end fixed to a suspension arm and includes a second end with a platform that supports an air spring assembly. An air spring piston is fixed to the platform. A lower portion of a flexible bellows is fixed to the air spring piston and an upper portion of the flexible bellows is mounted to a vehicle frame structure. A linear movable member has one end fixed to the upper portion of said flexible bellows and an opposite end slidingly received within an internal cavity of the pedestal such that the upper and lower portions of the flexible bellows articulate linearly with respect to each other. | 01-13-2011 |
| 20110175317 | VEHICLE LEAF SPRING TO AIR RIDE SUSPENSION CONVERSION ASSEMBLY - An air ride suspension assembly or kit useful when converting a leaf spring suspension arrangement on a motor vehicle having a solid rear axle to one supported by the conversion suspension assembly is disclosed. The two sets of leaf springs which are attached to both sides of the vehicle chassis and the axle are removed and replaced by first and second upper support arms which are secured to the pre-existing leaf spring attachment sites on the chassis. The leading end of first and second lower trailing arms are each pivotally connected to a corresponding upper support arm proximate the front end of each support arm, and in the intermediate section of each trailing arm, are attached to the underlying axle by pivot connection means which permits the axle to pivot at right angles to the trailing arms. First and second inflatable air bladders are disposed between each support arm and trailing arm combination at a location rearward of the pivot connection means. The air ride conversion assembly can be supplied as a kit which may or may not include a known inflation control system for controlling air flow into and out of the air bladders which can also be obtained separately from third party sources. The conversion system has particular appeal to owners of light trucks who routinely carry heavy loads in the truck bed. | 07-21-2011 |
| 20120056398 | SEMI-TRAILER AXLE AND SUSPENSION CONNECTING STRUCTURE - A semi-trailer axle and suspension connecting structure includes an axle ( | 03-08-2012 |
| 20120313342 | SLIDER BOX FOR A HEAVY-DUTY VEHICLE - A frame for a heavy-duty vehicle trailer includes a pair of elongated, spaced-apart parallel main members, each one having a pair of spaced apart parallel vertical walls. At least one cross member extends between and attaches to the main members, and includes a pair of spaced apart parallel transversely-extending vertical walls. Each one of a first pair of hangers includes a pair of spaced-apart parallel vertical walls that generally align and attach to the main member vertical walls. Each hanger includes a hanger support having a pair of spaced apart parallel vertical webs integrally formed with a diagonally extending side member. The hanger support attaches to the inboard hanger wall and also to the cross member. The frame reduces weight and provides improved reaction of longitudinal and side loads, yet still efficiently reacts vertical and racking loads imparted on the frame during operation of the vehicle. | 12-13-2012 |
| 20130193664 | JOUNCE BUMPER, END MEMBER, GAS SPRING ASSEMBLY AND METHOD OF ASSEMBLY - A jounce bumper can include a mounting wall and at least one helical thread. An end member can be at least partially formed from a quantity of polymeric material and can include a base wall and at least one helical thread integrally formed from the quantity of polymeric material. The end member and the jounce bumper can form a gas spring assembly. A method of assembly is also included. | 08-01-2013 |
| 20130249183 | POSITION DEPENDENT DAMPER FOR A VEHICLE SUSPENSION SYSTEM - A damper assembly for a vehicle suspension system includes a primary damper and a secondary damper. The secondary damper is coupled to the primary damper and includes a housing and an annular piston. The housing includes a sidewall that partially surrounds the primary damper, and the volume between the sidewall and the primary damper defines a damping chamber. The sidewall defines a plurality of apertures. The annular piston is positioned within the damping chamber and slidably coupled to the sidewall. The primary damper provides a base damping force and the secondary damper provides a supplemental damping force that varies based on the position of the annular piston along the housing. | 09-26-2013 |
| 20130264790 | GAS SPRING PISTON AND GAS SPRING ASSEMBLY INCLUDING SAME - A piston assembly ( | 10-10-2013 |
| 20140062052 | VEHICLE - A vehicle includes a pair of front wheels; a pair of rear wheels; a cabin frame portion; a first support frame portion extending forward from the cabin frame portion; a second support frame portion extending rearward from the cabin frame portion; a first suspension system supported by the first support frame portion and suspending the front wheels; and a second suspension system supported by the second support frame portion and suspending the rear wheels. Each of the first suspension system and the second suspension system includes a damping unit. Each damping unit includes a pair of dampers generating damping forces via oil viscosity resistance; an adjuster that adjusts the damping forces generated by the dampers; and a pair of oil paths which connect the dampers with the adjuster. | 03-06-2014 |
| 20140091548 | END MEMBER AND GAS SPRING ASSEMBLY INCLUDING SAME - An end member for a gas spring assembly is dimensioned to receivingly engage an end of a flexible wall. The end member can be formed from polymeric material and can include a side wall receiving the end of the flexible wall. The end member can also include a base wall extending transverse to the side wall and dimensioned to abuttingly engage a jounce bumper of the gas spring assembly. The end member can include a mounting ridge or a mounting channel for engaging an associated structural component. A gas spring assembly including such an end member is also included. | 04-03-2014 |
| 20140138931 | PRESSURE BUFFER DEVICE AND SUSPENSION DEVICE - A pressure buffer device includes a bypass path configured to form a channel of the oil from the a second oil chamber to the a first oil chamber, a slit valve connected to the bypass path, configured to form an inflow route of the oil from the bypass path to a pressure chamber, and having a channel sectional area smaller than a channel sectional area of the bypass path, and a communication path connected to the bypass path, configured to form an inflow route of the oil from the bypass path to an annular recess, and having a channel sectional area larger than the channel sectional area of the slit valve and smaller than the channel sectional area of the bypass path. | 05-22-2014 |
| 20140145411 | HEIGHT SENSOR FOR AN AIR SPRING - The subject invention relates to an air spring height sensor. The air spring height sensor of this invention comprises a height measuring signal transmitter ( | 05-29-2014 |
| 20140191487 | LATERAL SUPPORT ELEMENTS, GAS SPRING ASSEMBLIES AND METHODS - Lateral support elements for engaging an associated flexible wall of an associated gas spring assembly can be displaceably mounted along an associated end member of the associated gas spring assembly, such as by way of an elastomeric mounting element. The elastomeric mounting element can be formed as an endless annular ring, from an elongated length of elastomeric material wound helically about an axis, a plurality of support element sections disposed in peripherally spaced relation to one another about an axis or from a plurality of concentric element rings formed from elastomeric and comparatively rigid materials. Gas spring assemblies including one or more of such lateral support element as well as suspension systems that includes one or more of such gas spring assemblies and methods of manufacture are also included. | 07-10-2014 |
| 20140252743 | AIR SPRING COVER WITH SWITCH-BASED AIR VOLUME - An air spring for vehicle undercarriages, including an air spring cover and rolling piston. The air spring cover and rolling piston are connected by an air spring bellows. The air spring cover accommodates a first and second clamping ring for clamping the air spring bellows to fix the air spring bellows to the air spring cover. The rolling piston and air spring bellows have a common first air volume. The end of the rolling piston closest to the undercarriage accommodates a third clamping ring to seal the first air volume from the external environment. The air spring cover has a second air volume. The first air volume and the second air volume are sealed off from the external environment. The first air volume is spatially separated from the second air volume. A switch valve enables a first air path to link the second air volume to the first air volume. | 09-11-2014 |
| 20140353938 | DAMPER ASSEMBLY WITH MONOTUBE AND DYNAMIC COMPRESSION VALVE AND VEHICLE HAVING SAME - The damper assembly has a damper housing at least partially defining an interior chamber. A free piston is positioned in the damper housing to separate the interior chamber into a gas-filled chamber and a fluid-filled chamber. A piston assembly is configured to move within the fluid-filled chamber and separates the fluid-filled chamber into an extension chamber and a compression chamber. A valve assembly separates the compression chamber into a primary chamber adjacent the piston assembly and a secondary chamber adjacent the free piston. The valve assembly is configured to restrict flow from the primary chamber to the secondary chamber to cause a pressure drop during compression by the piston assembly. The free piston is configured to slide within the damper housing in response to fluid displacement caused by movement of the piston rod in the fluid-filled chamber. | 12-04-2014 |
| 20150054247 | SHOCK ABSORBER GAS SPRING SEAL - A shock absorber includes a first portion and a second portion that reciprocate relative to one another. The shock absorber includes a gas spring chamber defined between an interior wall and a plunger. A seal including a lip portion minimizes gas pressure loss and friction between the two portions. | 02-26-2015 |
| 20150115562 | SYSTEMS AND METHODS FOR AUTOMATED AIR SUSPENSION PRESSURE DROP - Various systems and methods for automated air suspension pressure drop are disclosed. | 04-30-2015 |
| 20150343872 | Suspension System for Motor Vehicles - There is provided an improved vehicle suspension system for a vehicle which has frame members, the improvement comprising a mounting plate formed of a high tensile strength steel, the mounting plate having a planar central portion, first and second legs extending diagonally upwardly therefrom, first and second air springs mounted on the planar central portion with an upper end of each of the air springs being connected to a respective frame member. | 12-03-2015 |
| 20160082799 | SUSPENSION SYSTEM - A suspension system is provided. The suspension system may provide a straightforward framework having spaced-apart, pivotably-connected suspension plates having at least one of air bag compactly nested there between. In certain embodiments, the suspension system may provide a U-shaped bracket perpendicularly joined to one of the suspension plates, forming a generally centrally-located shelf nook thereto, wherein another air bag may be compactly nested. The suspension system may provide an operable air supply that can adjust the air pressure of the plurality of air bags while in use | 03-24-2016 |
| 20160167475 | POSITION DEPENDENT DAMPER FOR A VEHICLE SUSPENSION SYSTEM | 06-16-2016 |
