Matches 151 - 200 out of 301 < 1 2 3 4 5 6 7 >
Match Document Document Title
4653618 Twin tube shock absorber gas seal  
A double-cylinder shock absorber, which is particularly suitable for use in a MacPherson strut, includes an inner cylinder having a closed lower end and which is filled with oil. A piston rod...
4647026 Pneumatic or hydropneumatic tension spring  
In a pneumatic or hydropneumatic tension spring which consists of a container in which a cylinder is concentrically arranged and a liquid and/or gas filling under pressure has an inward force upon...
4638896 Shock absorbers  
The present invention provides a shock absorber of monotube or twin-tube configuration wherein the piston within the shock absorber includes an electromagnetically operable bypass valve, the...
4635907 Hydraulic buffer for elevators  
A hydraulic elevator buffer contains a piston (plunger) which is pushed down into a volume of hydraulic fluid. The buffer has no seals separating its interior from the atmosphere. As the piston is...
4624346 Multi-ratio hydraulic energy dissipater  
An hydraulic energy dissipater with multiple working ratios, of the telescopic type, comprising a member with a variable cross-section, penetrating into a bore provided on the bottom of a piston...
4614255 Hydraulic shock absorber for vehicles  
A hydraulic shock absorber for vehicles including inner and outer cylinders, and a casing defining an oil chamber therein. The oil chamber is arranged to be in communication with the interior of...
4609082 Double-tube vibration damper unit  
In a double-tube vibration damper the cylinder engages by a terminal edge thereof an engagement face of a piston rod guiding and sealing unit. When the piston rod moves in the outward direction...
4602707 Vehicular shock absorbing device with improved compression head assembly  
An improved shock absorbing device includes a compression head assembly of simpler, less expensive, and more efficient design than prior art compression head assemblies. The compression head...
4560042 Method of self-pressurizing a damper  
A method of self-pressurizing a piston-and-rod hydraulic damper by providing at least two gas-generating reactants in the damper's reservoir which reactants are separated one from the other by a...
4544144 Hydropneumatic spring  
A gas spring in which the piston rod is connected to a piston with a through-hole bored therethrough which is disposed in the cylinder filled with high pressure gas and oil and the spring action is...
4529180 Thermally efficient shock absorber  
A thermally efficient shock absorber comprising a strut housing having an open end and a closed end, a piston including a piston housing and a piston head slideable in the strut housing, and a...
4527781 Pneumatic vehicle suspension unit with air sleeve guide  
A suspension unit has an elastomer air sleeve associated therewith and a low friction ring-like guide is fitted to the bottom of the dust tube of the unit to guide the air sleeve during operation...
4515252 Piston stroke responsive vortex-flow shock absorber  
A vortex flow hydraulic shock absorber for damping relative displacement of two components comprising a piston provided with a fluid passage therethrough including a pair of vortex chambers formed...
4485899 Shock absorber unit for vehicles  
In a shock absorber unit for vehicles of the double-tube type a piston rod guiding and sealing unit is provided adjacent a first end of a cylinder and a container surrounding the cylinder, and a...
4480730 Shock absorber unit for vehicles  
In a shock absorber unit for vehicles of the double-tube type a piston rod guiding member is provided at respective first ends of a cylinder and a container surrounding the cylinder. The first end...
4457409 Vortex shock absorber with absorbing force relief means  
A shock absorber is provided with a relief valve within a thrusting piston. The relief valve defines a vortex chamber therein and is movable in response to the pressure difference between a high...
4445673 Shock absorber and air spring assembly  
A shock absorber and air spring assembly particularly adapted for use in a tilt cab suspension system. It provides the capability of remotely adjusting the amount of damping of the damper piston on...
4445598 Two-tube telescopic hydraulic shock absorbers  
The shock absorber is of the type in which there is gas under pressure in the interspace between the two coaxial tubes or cylinders. In order to prevent the gas under pressure from reaching the...
4443926 Method of assembling shock absorbers  
A method of assembly of a shock absorber is disclosed. A cell, formed of plys of polymeric material impervious to hydraulic fluid and a high molecular gas, while pervious to air and water vapor, is...
4440273 Aeration preventing shock absorber  
A shock absorber comprising a cylinder, cylinder head having a relief check valve therein including an annular valve spool, relief valve ball, spring support, valve spring and valve cap, piston,...
4438834 Hydro-pneumatic damping unit  
An improved hydro-pneumatic damping unit includes a cylinder member, a piston rod extending through a central cavity in the cylinder member and within a guiding bore of a guiding and sealing unit...
4428566 Two-tube hydropneumatic shock absorber  
A hydropneumatic shock absorber comprises an outer tube centered on an upright axis, an inner tube coaxially spaced inside the outer tube and forming therewith an outer gas/liquid chamber, a piston...
4411342 Hydraulic damper  
A hydraulic damper includes a dual-tube type housing consisting of inner and outer tubes, a piston slidably disposed in the inner tube and dividing the interior thereof into two oil chambers, a...
4407396 Hydraulic shock absorber having piston-mounted valve biased by gaseous pressure  
A shock absorber has a cylinder, a piston dividing the cylinder into two chambers, and a valve in the piston which opens to permit hydraulic fluid to flow through the piston when the compression...
4397452 Hydro-mechanical stop for a shock absorber  
A hydro-mechanical compression and rebound stop 22 for a suspension strut 10 in which a tubular sleeve 30 is coaxially mounted about a piston rod 18 and is positioned by a coil spring 26 which has...
4396098 Force-responsive shock absorbing apparatus  
A fluid vibration damper, such as, a shock absorber includes a cylinder and piston combination in which the piston head travels through a fluid-filled cylinder and has fluid bypass openings in its...
4360085 Shock absorber with deflector for high pressure rebound oil  
A shock absorber for a vehicle suspension and the like in which an oil deflector is mounted between the piston rod guide and a single lip low pressure seal to divert streams of high pressure oil...
4356898 Valve assembly and reduced harshness shock absorber embodying the same  
A shock absorber including a piston assembly dividing a cylinder into a rebound chamber and a compression chamber, the piston assembly including fluid control bleed orifices of a size to permit...
4342447 Gas spring with tubular shell seal  
A gas spring comprises a piston assembly slidable in a cylinder closed at one end and open at the other with a rod connected to the piston assembly and projecting through the open end of the...
4312429 Hydraulic braking device for a load subjected to shocks and vibrations  
A hydraulic braking device for a load subjected to shocks and vibrations for the stabilization of loads in thermal or nuclear generating stations. The braking device has a cylinder 1 in which there...
4310077 Shock absorbers with improved compressible cushions  
A direct acting hydraulic shock absorber of the twin tube type including inner and outer tubular members, having an improvement which comprises forming an opening in the inner tubular member...
4306638 Shock absorber for automotive suspension  
A suspension strut has a helical suspension spring which is supported by the reservoir tube of a hydraulic shock absorber. The shock absorber incorporates linear bearings between telescoping tubes...
4287970 Hydro-pneumatic damping device  
A hydro-pneumatic damping device particularly for spring legs of automotive vehicles comprises an inner cylinder, an outer container, a central cavity within the inner cylinder, an annular cavity...
4280600 Self-refilling hydraulic actuator  
A piston slides in a fluid-filled piston chamber for damping or snubbing the movement of an object connected thereto. Attached to the piston is a piston rod which is disposed in the main fluid...
4262779 Shock absorber with reservoir and working chamber communicating structure  
A shock absorber and suspension strut unit having an outer cylinder containing a predetermined amount of a damping liquid. An inner cylinder is mounted rigidly and concentrically in the outer...
4257499 Hydraulic cartridge for improved motion control  
An improved type of hydraulic control cartridge with mounting structure and accessorial safety device for installation within both ends of reciprocative pneumatic actuators to permit a safe...
4245825 Shock absorber for wheeled vehicle  
An outer cylinder (18) is coaxially disposed around an inner cylinder (12). The lower ends of the cylinders (12), (18) are closed but communicate with each other and are mechanically connected to...
4240531 Low-wear shock absorber  
A shock absorber comprising a cylinder which is divided into two chambers by a piston slidably mounted therein. A casing surrounds the cylinder and forms a reservoir therebetween. The reservoir is...
4238009 Vibration damper for vehicles  
In a vibration damper or shock absorber for a vehicle, an axially extending cylinder is positioned within a similarly axially extending container with an annular reservoir formed between them. A...
4226408 Hydraulic shock absorber for vehicles  
A hydraulic shock absorber including inner and outer tubes telescopically fitted together and an orifice variable in response to relative movement of the inner and outer tubes. A large diameter...
4214737 Adjustable shock absorber including metering pin and reservoir structure  
A shock absorber has a body with a bore and a secondary chamber housing a preloaded floating piston. An apertured piston and rod assembly with a float valve is retracted in the bore when the piston...
4189033 Shock absorber  
A dual tube hydraulic shock absorber includes an inner tube or a cylinder slidably receiving a piston therein, a piston rod secured to the piston and extending out of the cylinder through the upper...
4185721 Springless seal for shock absorber  
This hydraulic shock absorber has a piston rod guide in the upper end of the pressure cylinder with a conical recess in which a toroidal piston rod seal of elastomer material is trapped under axial...
4180237 Hydraulic valve system  
A self contained hydraulic valve system, for controlling the flow of a normally gaseous fluid such as, for example, anhydrous ammonia, includes a hydraulic valve connected to a pressurized vessel...
4174098 Shock absorber and mounting means therefor  
A hydraulic shock absorber having an outer tube which is closed at one end and open at the other end. An inner tube, having a plurality of metering orifices, and having a closed inner end and an...
4162062 Hydraulic railway car sway damper  
A main body member having a head member bolted to one end defines the primary cylinder end portion of a single-ended hydraulic cylinder. A piston rod bearing insert is pressed into the main body...
4153145 Heavy duty hydraulic shock absorber  
A heavy duty hydraulic shock absorber having an inner tube in which is slidably mounted an impact receiving piston assembly. Upon application of an impact force on the piston assembly, the piston...
4139182 Spring device  
A spring device including a piston slidably disposed in an inner cylinder of a dual inner and outer cylinder with a piston rod secured thereto and extending to the outside of the cylinder through a...
4131266 Adjustable shock absorber  
A shock absorber having a housing with a piston chamber and a radially spaced accumulator chamber. A piston rod having a piston at its inner end is slideably mounted in the piston chamber, while...
4122923 Adjustable hydraulic shock absorber  
An adjustable hydraulic shock absorber of the dashpot type which includes an elongated outer tube and an inner tube fixed in said outer tube. A piston is movably mounted in the inner tube and has a...
Matches 151 - 200 out of 301 < 1 2 3 4 5 6 7 >