45 results about "Impact mitigation" patented technology

A collision mitigation system is proposed which makes use of forward mounted long range ladar sensors and short range ladar sensors mounted in auxiliary lamps to identify obstacles and to predict unavoidable collisions therewith, and a duplex radio link in communication with secondary vehicles, and a number of external airbags deployable under the control of an airbag control unit, to reduce the forces of impact on the host vehicle, secondary vehicles, and bipeds and quadrupeds wandering into the roadway. A suspension modification system makes use of headlight mounted long range ladar sensors and short range ladar sensors mounted in auxiliary lamps to characterize the road surface, identify road hazards, and make adaptations to a number of active suspension components, each with the ability to absorb shock, elevate or lower the vehicle, and adjust the spring rate of the individual wheel suspensions.

Provided is the utilization of face panels (20) containing core materials (16) topologically structured at small scale, relative to a system (e.g. ship hull) that utilize them. They are optimized Lo absorb or reflect the energy subject to their while also possessing the ability to efficiently support high structural loads. It is entirely compatible with double-hull ship design concepts, because the volume between the hulls is used to locate the energy absorbing material substructures. The approach can be generalized to provide protection from impacts of low, intermediate or high intensity. The technology to design such structures requires materials selection and cell topology designs coupled with and techniques for the affordable manufacturing of structures that must he able to sustain severe dynamic deformations. It requires a coupling of effects occurring and phenomena that occur at the materials and structural levels.

An active material hood impact mitigation mechanism is activated in response to a signal generated from an impact sensor or pre-impact sensor or manually. The mitigation mechanism is capable of changing either reversibly or irreversibly the stiffness, shape, location, orientation, or displacement force of the hood either globally or locally, before an impact against the hood. The active material mitigation mechanism is held in a device designed to be installed in operative communication with the hood surface. The active material is characterized by a first shape or stiffness and is operative to change to a second shape or stiffness in response to the activation signal. Such active materials include shape memory alloys, electroactive polymers, shape memory polymers, magnetic shape memory alloys, magnetorheological fluids, magnetorheological elastomers, electrorheological fluids, and piezoelectric materials.

This invention relates to a multifunctional structure for mitigating the effects of explosions and impeding the penetration of projectiles that is also highly effective at supporting structural (i.e. static) loads. By wrapping a tile in multiple layers of high-performance fabric, upon impact by a projectile additional tensile forces are created, aiding in the deceleration of the projectile. With added layers the tensile forces aiding projectile deceleration increase, resulting in a ballistic panel for use in multifunctional structural/armor systems having a lighter weight and greater stopping power than conventional armor systems in addition to functioning as part of a structure for supporting static loads.

A blast/impact mitigation shield includes, in one example, a first body including a damping material in a solid state and which transitions to a viscous fluid state when stressed beyond a critical stress and a second body including damping material in a solid state and which transitions to a viscous fluid state when stressed. A plunger plate has blades extending outwardly therefrom and is located between the first and second bodies.

A clutch mechanism includes a pulley, an armature, an electromagnet, a plate spring, and a damper. The armature is joined to the pulley in a direction of a rotation axis. The electromagnet generates attracting magnetic force, which attracts the armature in a joining direction. The plate spring generates resilient force, which urges the armature in an opposite direction from the joining direction. The damper includes an impact mitigation part mitigating an impact when the armature collides with the pulley. The pulley, the armature, the damper, and the plate spring are arranged in this order in the direction of the rotation axis. The damper includes a contact portion in contact with part of the armature in the direction of the rotation axis. The plate spring includes a pressing part pressing the contact portion on the armature both at time of joining and at time of unjoining between the armature and the pulley.

Various embodiments provide multi-layered self-healing materials, capable of repairing puncture damage. The multi-layered self-healing materials, capable of repairing puncture damage of the various embodiments may be constructed by sandwiching a reactive (e.g., oxygen sensitive) liquid monomer formulation between two solid polymer panels, such as a polymer panel of Barex 210 IN (PBG) serving as the front layer panel and a polymer panel of Surlyn® 8940 serving as the back layer panel. The various embodiments may provide methods to produce multi-layered healing polymer systems. The various embodiments may provide a two-tier, self-healing material system that provides a non-intrusive capability to mitigate mid to high velocity impact damage in structures.

A blast mitigation method includes forming a body of solid material which transitions from a solid state to a non-flowing viscous fluid state when stressed which attaching it to the body of the undercarriage of a vehicle. The material of the body transitions from a solid state to a viscous fluid, state when an explosion occurs, is proximate the body and it absorbs at least some energy from the explosion mitigating impact on the vehicle. A plunger plate with blades extending outwardly therefrom is coupled to the body and oriented such that the blades are adjacent the body.

The present disclosure relates to a vehicle impact mitigation system. The impact mitigation system can be configured to mitigate front impact situations. A main rail and an extendable rail-configured to move with respect to the main rail-are provided. A front module is attached to the extendable rail and attachable to the main rail. A spring is positioned between the front module and main rail, the spring is configured to apply a force to the front module when the front module is detached from the main rail. An actuator is configured to control attachment of the front module to the main rail.

A mobile electronic device with enhanced impact absorber is disclosed. The device can include: a housing including a front and a rear housing; and a user interface, the rear housing including an impact absorber located on an outer most portion of the rear housing. Beneficially, the impact absorber can provide enhanced impact mitigation. The impact absorber can allow a mobile electronic device to sustain an impact and mitigate damage to the housing and components therein.

The invention relates to a composite material closed boxcar which comprises a box body, wherein the box body consists of an outer layer, a middle layer and an inner layer. The outer layer consists of a gel coat layer and a structure layer, wherein the middle layer consists of a metal frame and a sandwich glass steel plate, the inner layer is the structure layer, and the structure layer consists of a plurality of polyester resin layers and a fiber layer; and all the layers are connected by using adhesive layers. The composite material closed boxcar has good luster, is colorable, simultaneously has the good performances of water resistance, chemical resistance, corrosion resistance, abrasion resistance, impact resistance and the like, further has toughness, rebound elasticity and good corrosion resistance, light weight and collision rebound elasticity, can effectively prevent small collision and also has the good functions of heat preservation, thermal insulation or anti-freezing property, impact mitigation and noise isolation. The composite material closed boxcar has the advantages of reasonable design, low production cost, easy fabrication, good effects of heat preservation and thermal insulation, strong anti-collision capacity and a wide range of applications.

A method of manufacturing a shield by fabricating a plunger plate to include outwardly extending blades on one surface thereof and coupling the plunger plate to a body of damping material with blades of the plunger plate adjacent the body of damping material. The damping material is configured to transition from a solid to a non-flowing viscous fluid state locally near the blades of the plunger plate as they are driven into the body.

The releasable impact mitigating fasteners is an adaptable mechanism that may be used as the main energy management source and/or be used as a supplemental energy management source. The improved releasable impact mitigating fasteners are easily incorporated into protective devices such as helmets and/or other protective gear for a variety of activities, applications and/or industries, that require enhanced impact absorption, reusability, and/or quick release capabilities under specifically designed impact loads, etc. Each of the releasable impact mitigating fasteners comprise a first end, a second end and an impact mitigation structure. The first end comprises a face plate, the second end may comprise at least one flange. Each of the releasable impact mitigating fasteners may further comprise a base.

Compounded High Explosive Composites provide a novel family of low-cost explosives that exhibit anisotropic (directionally dependent, non-symmetric) sensitivity properties to replace current homogenous plastic bonded high explosives that are vulnerable to unwanted detonation from a variety of hazards and operating conditions. Anisotropic sensitivity behavior is largely achieved by manipulating the bulk property of critical diameter to fine-tune the compounded geometry of the explosive composite. As such, Compounded High Explosive Composites represent structural arrangements of small, spatially distributed, highly consolidated explosive units (pellets) arranged in a prescribed (but versatile) fashion in a motion and energy-dampening rubbery matrix. The compounded geometry and structural arrangement allows the explosive pellets to function cooperatively and detonate in an exemplary orientation, while ensuring the pellets do not cooperate in other directions to mitigate against known vulnerabilities and threats.

A system for and method of mitigating pedestrian impact utilizing an energy absorption member, such as an expandable honeycomb celled matrix, and at least one tether disposed within a recessed formation defined by the vehicle and interconnected to the member and a drive mechanism, wherein the member is selectively caused to extend and be spaced from an exterior surface.