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8002250 |
Air spring and shock absorber unit with operator control element
An air spring and shock absorber unit for bicycles or motorbikes includes operator control elements which are accessible from the outside and are disposed on an outer surface of the air spring and...
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7770701 |
Suspension strut for use with a compressible magnetorheological fluid
A strut (12) is configured for an active suspension system (142) which provides electronic control for both the force applied by the strut (12) and the dampening characteristics of the strut (12)....
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7559542 |
Low impact gas spring
A gas spring for providing a smooth and generally gradual load distribution between interrelated parts of a press has a casing defining at least in part a gas chamber. A housing is received at...
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7520494 |
Spring element
A spring element with a hydropneumatic strut are positioned between the bogie and the body of a rail car, with the strut having a sliding piston in a cylinder, whereby the piston or the cylinder...
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7487863 |
Pressure container in a vibration damper
Vibration damper with a damping medium-filled cylinder, in which a piston rod is installed with freedom of axial movement, and a pressure container, which is connected to the vibration damper by an...
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7469914 |
Control system for motorcycle fork
A ride control system for a motorcycle having an oil-containing fork having an air space. The control system includes a control unit having a reservoir and a valve in flow communication with the...
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7426983 |
Landing gear strut damper, and landing gear with independent struts comprising same
A damper for an airplane landing gear leg comprises a main strut (11) and a rod piston (13) co-operating with the strut (11) to define a main chamber (15) and annular chamber (16) for hydraulic...
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7413062 |
Electronically controlled frequency dependent damping
A gas damper includes a gas pressurized working chamber and valving within the piston to control flow of the gas through the piston. A system is in communication with the working chamber to control...
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7168535 |
Non metallic gas valve assembly for a shock absorber
A gas valve assembly for a shock absorber includes a first portion of a first material and a second portion of second material which is less rigid than the first material. The first portion defines...
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7097012 |
Compact temperature compensating gas spring
A compact temperature compensating gas spring including a gas filled hollow cylinder and a piston assembly slidably received in the gas filled hollow cylinder. The piston assembly includes a piston...
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7017893 |
Pull-type suspension
A suspension unit used in a pull type shock application is disclosed, whereby a main shaft passes completely through a damping fluid so that the shock absorber fluid is not compressed when the...
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7007588 |
Device for adjusting the pressure in a hydraulic jack
The invention relates to a device for adjusting the pressure in the chambers of a hydraulic jack comprising a hollow valve seat extending substantially longitudinally between two end sections, the...
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7004292 |
Adjusting element having a cylinder with pressure relief
A cylinder has an interior space which contains a medium under pressure. A piston is displaceably arranged in the cylinder and has a piston rod which projects from the cylinder at one end of the...
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6749046 |
Combined spring and shock absorber system including a hydraulic accumulator
In a combined spring and shock absorber system for a wheel suspension of a vehicle comprising tubular rolling bellows arranged between a wheel-support structure and a vehicle body the bellows...
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6695105 |
Hydraulic shock absorber
A hydraulic shock absorber comprises a cylinder (11) with an expandable and contractible piston rod (12), an outer casing (13) disposed on the outside of the cylinder (11), and a reservoir (16)...
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6695104 |
Reusable impact energy absorbing device
An reusable impact energy absorbing device utilized a liquid filled piston and cylinder assembly whereby upon application of an impact to the piston the piston will move along the length of the...
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6691841 |
Shock absorber with leveling function
Heat of an electrothermal part of a heater can be transmitted indirectly and efficiently to a pressure medium. A tubular case 6 having one end portion connected to a piston rod 2 airtightly and the...
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6648309 |
Self-pumping hydropneumatic suspension strut with internal ride-height control
Self-pumping hydropneumatic suspension strut with internal ride-height control, particularly for motor vehicles, with an outer tube with an oil-filled high-pressure work space under the pressure of...
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6581651 |
Gas filling apparatus and method for gas shock absorber
A gas filling apparatus for gas shock absorber comprises the assembly location correction unit, a gas filling unit, wherein the gas filling unit includes a rod chucking unit, a calking jig, an oil...
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6425467 |
Actuation arrangement for movable components on vehicles
An actuation arrangement for movable components on vehicles, particularly for trunk lids or hoods, doors, vehicle tops and top covers, including at least one hydraulic cylinder (1) pivotably...
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6217011 |
Fluid mount including a partitionless compensator
A fluid mounting (20) for isolating or damping vibration between a vibrating member (21) and a structure (23). In one aspect, the fluid mounting (20) includes inner (22) and outer (24) members, a...
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6129368 |
Axle controller for industrial vehicles
An industrial vehicle having an axle pivotally supported on a frame. The vehicle includes a damper for connecting the axle to the frame. The damper allows pivotal motion of the axle when the damper...
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6092795 |
Fluid and elastomer damper
A fluid damper to damp unwanted vibration between a first member (21) and a second member (23, 23'), such as between a rotor blade and hub within a helicopter rotor system. According to a first...
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5996747 |
Automatic-return hydraulic device, especially for vehicle seats
The device comprises a cylinder (1) which is divided in two variable volume chambers (3,4) by a piston (2,2'), which has conduits (5,5') for the passage of a fluid from one chamber to the other,...
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5735510 |
Vibration damper apparatus
A fluid type of vibration damper apparatus containing fluid in a rigid fluid container divided by a partition formed with an orifice into two fluid chambers in communication with each other through...
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5735371 |
Cylinder piston device
According to an illustrative example of the invention, a gas spring is provided with an emergency exit permitting escape of pressurized gas in the event the gas pressure exceeds a predetermined...
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5711514 |
Shock absorber for a bicycle
A bicycle shock absorber includes a cylinder body which confines a sealed space therein and a valve member which is disposed movably in the cylinder body and which divides the sealed space of the...
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5595268 |
Fluid actuated friction damper
A fluid actuated friction damper having telescopically movable inner and outer bodies, the outer body having an elongated, continuous friction surface. The inner body includes a first set of...
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5579814 |
Method and apparatus for charging dampers with pressurized gas
A method and apparatus for charging a damper with pressurized gas by forming a flow passage between the dust lip of the oil seal and the piston rod. The flow passage is formed by locally deforming...
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5529155 |
Suspension strut and seal arrangement
A suspension strut comprising a tube which is closed at one end and which defines a fluid chamber; a piston rod extending through the other end of the tube; and a seal providing a substantially...
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5509514 |
Gas charging of suspension damper
A structure and method of gas charging a suspension damper is provided wherein a deflectable seal opens a gas charging passage solely under the application of externally applied gas pressure...
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5458219 |
Pressurized shock absorber
An improvement is provided in a dual tube hydraulic shock absorber having an annular reservoir with a gas cell therein, which comprises advice for charging and pressurizing the shock absorber with...
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5339932 |
Apparatus and method to cushion movement of a member
An apparatus to cushion movement of a member in a machine includes a piston which divides a cylinder into upper and lower variable volume chambers. A body of lubricating liquid is held in a chamber...
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5328005 |
Valve in an air shock absorber
A two-way valve for introducing pressurized air into the air chamber of an air shock absorber, and for maintaining a preselected minimum pressure within the air chamber. The valve includes a valve...
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5314045 |
Fluid connecting assembly
According to an illustrative example of the invention a connecting pipe is provided with a cover face engaging an external cylindrical face of a cylinder. This cylinder includes a fluid chamber and...
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5207301 |
Active suspension actuator with real time damping
A piston and rod subassembly is reciprocally mounted in a piston tube subassembly. A transfer tube is concentrically mounted in the rod and is in fluid communication with a pressurized source of...
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5148896 |
High pressure hydropneumatic shock absorber
A high pressure hydropneumatic shock absorber (10) includes a cylinder (12) with a piston (16) slidably positioned within the cylinder (12). The piston (16) and cylinder (12) are configured as a...
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5094324 |
Bicycle shock-absorbing apparatus
A bicycle shock-absorbing apparatus comprises an inner tube, a valve device, and an outer tube. The inner tube is inserted into the outer tube, with the valve device disposed at the bottom thereof...
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4995485 |
Sealing structure of an accumulator
An accumulator comprises a housing and a rod. The housing is sealed by means of high- and low-pressure sealing devices. The high-pressure sealing device includes an annular groove formed on the...
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4934669 |
Hydraulic shock absorber
A hydraulic shock absorber including an elongated body, closed at first and second opposite ends thereof, the elongated body containing a quantity of liquid. A piston is mounted for axial movement...
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4928799 |
Hydraulic dashpot
A hydraulic dashpot comprising a cylinder, a piston separating the cylinder into a pair of chambers, a rod connected to the piston and projecting outwardly of the cylinder, a storage chamber for...
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4890822 |
Car suspension system
A suspension system according to the present invention comprises a cylinder assembly, which includes a cylinder and a rod fitted therein for axial reciprocation. An oil chamber containing oil and a...
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4838527 |
Convertible gas spring
A gas spring with a piston rod slidably received in a cylinder which defines a chamber in which a gas is compressed when the rod is forced into the cylinder. The gas spring can be operated with...
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4815716 |
Telescoping strut shock isolator
A shock isolator apparatus of the pressurized air type having a plurality of cylinder chambers and a piston positioned for movement in the cylinder chambers. An air passage tube axially located in...
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4813655 |
Control valve for gas spring
A gas spring unit having a housing, and a piston assembly slidably supported within and projecting outwardly of the housing. The housing and piston assembly cooperate to define therebetween a...
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4721289 |
Combined check and exhaust valve for high pressure gas spring
A gas spring unit having a housing, and a piston assembly slidably supported within and projecting outwardly of the housing. The housing and piston assembly cooperate to define therebetween a...
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4718647 |
Pneumatic counterbalance with dual force
A pneumatic spring counterbalance extensible link including a closed end cylinder with an end connector a piston and rod assembly within the cylinder and maintained therein by the crimped over end...
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4702463 |
Gas spring
A gas spring for damping structural components, for example of a car, comprises two cylinders filled with gas, of which one cylinder is provided with a first piston and is movable in the other...
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4667780 |
Re-chargeable servo cylinder
A re-chargeable self-contained servo cylinder for the control of force with variable piston positions under load includes an elongated cylinder housing having a tubular body with open receiver end...
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4664234 |
Self pressurized damper
A method of making a pressurized shock dampening device, and the device so made wherein: a gas-generating, thermally decomposable substance is placed in the gas chamber of the device at the time of...
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