154 results about "Blast damper" patented technology

A shock absorber includes: at least one cylinder apparatus including a cylinder sealingly containing operating fluid, a piston slidably fittedly inserted in the cylinder to divide an interior of the cylinder into two chambers, and a piston rod coupled to the piston and extending to an outside of the cylinder; and at least one damping force generation mechanism connected to the cylinder apparatus, and capable of generating a damping force to be applied to a flow of the operating fluid caused by a movement of the piston and adjusting the damping force from the outside. The damping force generation mechanism includes a damping valve for generating the damping force, a pilot chamber for applying a pilot pressure by the operating fluid to the damping valve, and a pump for at least supplying or discharging the operating fluid to or from the pilot chamber.

A shock absorber that combines both the suspension function and the shock absorbing function in one unit. It has an elongated shock body filled with hydraulic fluid and a piston mounted on a piston rod that reciprocally travels within the shock body. The shock body is telescopically received in a bypass cylinder body having a greater diameter that produces an annular chamber between the outer surface of the shock body and the inner surface of the bypass cylinder body. A coil spring is mounted on the outside surface of the bypass cylinder body to provide a suspension function by the shock absorber. A plurality of bypass tubes are associated with longitudinally spaced ports in the shock body. Adjuster rods are telescopically received inside the respective bypass tubes for controlling whether the individual ports are closed, partially open, or fully open. These adjuster rods would be manipulated externally of the shock absorber assembly.

A shock absorber includes a shock rod and piston which are disposed within a fluid chamber within a shock body. The piston separates the shock body fluid chamber into a compression fluid chamber and a rebound fluid chamber. A reservoir fluid chamber accommodates the entry of the shock rod into the fluid chamber as the shock absorber compresses under shock forces. The compression fluid chamber is in fluid communication with the reservoir fluid chamber through a third chamber or passage. A first valve may control passage of fluid from the compression fluid chamber into the passage. Second and third valves may be disposed within the passage in parallel with each other and in series with the first valve. The third valve may include an easily accessible knob disposed outside the shock body.

The invention relates to a suspension hydraulic damper (1) comprising a tube (2) filled with working liquid, inside of which a slidable piston assembly (3), provided with compression (12) and rebound (11) valve assemblies and attached to a piston rod led outside the damper, is placed, and at least one additional compression valve system (18, 19). To increase an amount of dissipated energy during extremely fast compression strokes the compression valve system (18, 19) comprises at least one substantially thin closing element, preferably in a form of a flat floating disc (24, 34), having an outside diameter less than the inner diameter of the tube (2) and being axially slidable with respect to the piston rod (4) axis, a spring (23, 33) surrounding the piston rod (4) axis and pressing the closing element against a retainer (26, 35) into open position, an abutting surface (28, 38) for the closing element (24, 34) in closed position, and at least one passage (25, 31) for the flow of damping medium in closed position.

A shock absorber assembly comprises a piston and cylinder arrangement, a damping-fluid chamber and a damping valve arrangement which is located in the damping fluid chamber and serves to divide the chamber into sub-chambers. The assembly is such that in use the valve arrangement regulates the flow of fluid between the sub-chambers.

An air-bag suspension system for a motorcycle having a motorcycle main frame, fender struts extending outwardly from the main frame, and a swing arm pivotally mounted to the main frame about a pivot axis. The air-bag suspension system includes shock absorber assemblies each having an air-bag. The air in the air-bags is generated by an on-board compressor and released through a solenoid valve. The air-bag suspension system replaces the standard coil spring hydraulic suspension commonly found on motorcycles and provides a greater range of adjustment, remotely controlled, while the motorcycle is in use. The air-bag suspension system accommodates heavier loads than the stock suspension systems when the air-bags are fully inflated; and when deflated completely, provide an aesthetically pleasing stance. The range of wheel travel provided allows the rider to adjust the suspension to provide the smoothest ride coupled with an increased load capacity or adverse road conditions.

The invention discloses an automobile active self-adaption type shock absorber comprising a hydraulic oil cylinder, a piston, a piston rod and a shock absorption spring. The hydraulic oil cylinder is spaced by the piston into an upper oil cavity and a lower oil cavity. The piston is provided with an upstream one-way damping pressure valve and a downstream one-way damping pressure valve. The upper oil cavity is communicated with an upper oil cavity energy accumulator. The lower oil cavity is communicated with a lower oil cavity energy accumulator. A pressure regulating device is connected between the upper oil cavity energy accumulator and the lower oil cavity energy accumulator. When an automobile body vibrates downwards, hydraulic oil in the lower oil cavity flows back to the lower oil cavity energy accumulator through an oil tube, the shock absorption effect of an air spring is played, the upstream one-way damping pressure valve is opened, and vibration energy of the automobile body is absorbed through damping of the upstream one-way damping pressure valve, so that the bearing capacity of the air spring reaches the maximum and will not increase any more, the peak of impact of the shock absorber system on an automobile frame is reduced remarkably, and vibration of the automobile body is absorbed actively; when the automobile body vibrates upwards and tires leave the automobile frame, the process is contrary, active self-adaption shock absorption is achieved, and vibration of the automobile body is reduced effectively.

A steering damper in a motorcycle includes a vane partitioning a chamber in a damper housing into two oil chambers, wherein hydraulic fluid flows between the two chambers to generate attenuating force. The steering damper also includes a damper shaft connected to the vane and supporting the vane for rocking motion with respect to the housing, and a hydraulic pressure control valve. The housing is attached to a head pipe, and the damper shaft is attached to a steering system. When the head pipe is to be attached to the housing, the housing is extended rearwardly behind a top bridge, and a linear solenoid for driving and controlling the hydraulic pressure control valve is attached to the housing and disposed below the extension thereof.

A pneumatic tire with a noise damper made of a spongelike multi-cellular material is disclosed. The noise damper is divided into small dampers to improve the high-speed durability of the tire. The noise damper is provided with a water-impermeable outer coating to prevent water from infiltrating into the spongelike multi-cellular material during transporting, store keeping and the like.

A shock absorber, which is particularly applicable to bicycles, includes a secondary chamber whose volume selectively contributes to a volume associated with a primary chamber of the shock. A piston is supported by a compression rod and cooperates with a shock tube to define the primary chamber. The secondary chamber is fluidly isolated from the primary chamber by a valve arrangement positioned proximate the piston. A plunger extends along a longitudinal length of the shock and forms or interacts with the valve arrangement such that the secondary chamber is selectively fluidly connected to the primary chamber so the primary and secondary chambers of the shock assembly contribute to the performance of the shock for a selected portion of shock travel.

A shock absorber includes an external control valve which controls the damping characteristics of the shock absorber. The external control valve controls the flow of fluid between the lower working chamber of the shock absorber and the reservoir chamber and between the upper working chamber of the shock absorber. The damping characteristics are dependent on the amount of current being applied to a solenoid valve which controls a fluid valve assembly. A soft fluid valve assembly is disposed in series with the fluid valve assembly to allow for the tuning of the damping forces at low current levels provided to the solenoid valve.

A damper for a bicycle, having a primary unit including a damper tube, a piston rod that supports a main piston, a reservoir tube that is outside of the compression chamber of the primary tube, and an inertial valve within the reservoir tube. The damper also includes a flow path connecting the reservoir fluid chamber and the compression chamber of the primary tube. The damper also may have a damping valve in the reservoir tube. When the inertia valve is open, the damping valve opens before flow through the inertia valve is maximized. The main piston and the damper tube at least partially define a compression chamber and a rebound chamber. The main piston is movable within the damper chamber of the primary unit. The reservoir tube includes a reservoir fluid chamber. The inertial valve is responsive to terrain-induced forces and not responsive to rider-induced forces when the shock absorber is assembled to the bicycle.

The present invention provides a method and apparatus for a multilayer optical articles. A method comprises forming a first multilayer article with a first substrate, first adherent, and second substrate using a first holder and a second holder. The method further comprises forming a second multilayer article with the first multilayer article, a second adherent, and a third substrate using the first holder and second holder to grasp the second multilayer article. After removal of the first and second holders, the first and second adherent maintains the second multilayer article in a posture at which the second multilayer article was held by the first and second holders, wherein the first and second adherent comprise a photopolymer such that the article is capable of storing data in a reflective holographic data storage system.

A shock absorber for a vehicle includes a pressure tube that defines a fluid chamber. A piston disposed within the fluid chamber divides the fluid chamber into an upper working chamber and a lower working chamber. The piston defines a compression passage and a rebound passage which extend through the piston between the upper working chamber and the lower working chamber. A valve disc assembly engages the piston and controls the flow of fluid between the upper working chamber and the lower working chamber. The valve disc assembly includes a bleed disc that defines an orifice with a substantially non-linear contour. The orifice extends to an outer diameter of the bleed disc, and forms a bleed channel between the upper working chamber and the lower working chamber.

Improved mount and bearing height adjustable air suspension shock absorber devices, apparatus, systems and methods, for use with sport utility vehicles(SUVs) such as Range Rovers®, and the like. Air lines run through an upper mount into an upper opening of an inflatable and deflatable airbag. The airlines have not external lines such as the nylon type tubing used in the prior art, and are not prone to failure which occurs more frequently with the external tubing air lines. Inflating and deflating the air springs/airbags (bladders) allows for the shock absorbers in the devices to be adjusted to different riding conditions over different types of terrains giving the rider a customized ride over different types of on road and off-road terrains. An internal air line machined into the head of the air suspension device provides a direct passageway for compressed air to pass into and out of the airbag without using external tubes. Sealing members such as O-rings provide airtight seals between the moving members of the head components of the air suspension devices.