U.S. Pat. No. 9,588,019 A tire deformation sensing and tire inflation system for tires that makes use of ultrasonic sensors embedded in the bead lock of the tire to measure time intervals between transmitted ultrasonic signals and the echo received signals to and uses the information obtained to adjust the tire pressure through a central tire inflation system.
Patents
Tire deformation sensor and tire inflation system
U.S. Pat. No. 9,579,936 A tire deformation sensing and tire inflation system for a steel belted tires which makes use of magnetic coils embedded in the wheel assembly to detect the position of the tire’s steel belting and uses the information obtained to adjust the tire pressure through a central tire inflation system.
Ultraviolet light curing compositions for composite repair
U.S. Pat. No. 9,248,468 Methods and compositions concerning an ultraviolet light curable formulation useful for repairing composite materials including the repair of a hole in the exterior of an airplane. The formulation may contain an acrylic oligomer, an acrylic monomer, an organic peroxide, a dialkylaniline promoter, a photoinitiator. The formulation can include a filler such as carbon fabric or Kevlar fabric.
Protective coatings for high strength steels
U.S. Pat. No. 9,217,055 A process for coating a metallic surface of an aircraft. The process includes applying to the metallic surface a composition that polymerizes to form a polyurea having a tensile strength of more than 3500 psi and at least 700% elongation. The polyurea can be formed from an A-side and a B-side, where the weight percents of components for the A-side are: from about 30 to about 65 percent of polyisocyanate; from about 15 to about 70 percent of a polytetramethylene ether glycol; diluent, from 0 to about 20 percent; where the weight percents of components for the B-side are: from 35 to about 40 percent of one or more aromatic diamines; from about 20 to about 70 percent of one or more amine terminated polyether polyols.
Energy absorbing system for vehicles
U.S. Pat. No. 8,790,776 The present invention relates to an energy absorbing composition comprising a core material and an applique material. The energy absorbing material may include a core material, such as an aluminum honeycomb or expanded polypropylene (EPP). The energy absorbing material may further comprise a protective material, which is applied to the core material to enhance durability of the energy absorbing material and increase the energy absorbing characteristics of the core The protective material may comprise external polyurethane, polyurea, or other suitable skin forming material and the protective material may be applied to the core material using any viable technique, including spraying or painting. The energy absorbing material of the present invention can withstand multiple impacts without significant loss to its energy absorbing qualities. The energy absorbing system meets or exceeds FMVSS 302 flammability specifications.
Polyureasulfone polymer
U.S. Pat. No. 8,440,778 A polyureasulfone polymer having a high cohesive energy density and tensile strength, and method of making.
Polysilazane coatings
U.S. Pat. No. 8,394,889 A composition and process for manufacturing a camouflaged aircraft component. The process includes providing an aircraft component; applying an uncured coating onto the aircraft component wherein the uncured coating comprises polysilazane resin, at least one pigment, at least one matting agent, and at least one diluent; allowing the diluent to evaporate; curing the coating to provided a cured coating that comprises cured polysilazane, at least one pigment, and at least one matting agent.
Chemically and biologically resistant hydration system
U.S. Pat. No. 8,166,969 A hydration system for providing fluid to a user. The system comprises a bladder configured to hold a fluid, wherein comprises an outer layer of a fluorinated rubber composite. A spout is connected to the bladder and in communication with the inside of the bladder, wherein the spout comprises an output port and an fill port for filling the bladder with fluid. A cap adapted to engage and close the fill port is included. Also, a tube having a first end is connected to the output port of the spout and having a second end and having a second end connected to a fluid delivery fitting.
Polysilazane coatings
U.S. Pat. No. 7,919,189 A composition and process for manufacturing a camouflaged aircraft component. The process includes providing an aircraft component; applying an uncured coating onto the aircraft component wherein the uncured coating comprises polysilazane resin, at least one pigment, at least one matting agent, and at least one diluent; allowing the diluent to evaporate; curing the coating to provided a cured coating that comprises cured polysilazane, at least one pigment, and at least one matting agent.
Low volatile organic content lubricant
U.S. Pat. No. 7,524,797 A water-based lubricant composition, comprising: water, molybdenum disulfide, polytetrafluoroethylene, and a polymeric binder, wherein the binder is an acrylic resin or a polyurethane resin.
Coating with amine curing agent, epoxide-containing toughener, expoxy resin and rubber toughener
U.S. Pat. No. 7,465,477 This invention concerns an epoxy coating for use as a non-skid surface for applications such as the deck of an aircraft carrier. The epoxy coating can be formulated from (a) an amine curing agent, (b) an epoxide-containing toughening agent such as a polysulfide and/or a polythioether, (c) an epoxy resin, (d) a rubber toughening agent, and (e) an optional fire retardant, a glass fiber thixotrope and impact toughening agent, an optional pigment, an optional corrosion inhibitor, an optional moisture penetration inhibitor, an optional ultraviolet light stabilizer, an optional abrasive aggregate, or a combination thereof.
Manufacturing sides of amine curing agent and rubber toughener, and epoxy resin and epoxide-containing toughener
U.S. Pat. No. 7,435,767 This invention concerns an epoxy coating for use as a non-skid surface for applications such as the deck of an aircraft carrier. The epoxy coating can be formulated from (a) an amine curing agent, (b) an epoxide-containing toughening agent such as a polysulfide and/or a polythioether, (c) an epoxy resin, (d) a rubber toughening agent, and (e) an optional fire retardant, a glass fiber thixotrope and impact toughening agent, an optional pigment, an optional corrosion inhibitor, an optional moisture penetration inhibitor, an optional ultraviolet light stabilizer, an optional abrasive aggregate, or a combination thereof.
Expansion coefficient balancing in pressure compensation systems
U.S. Pat. No. 7,221,623 The use of a pressure compensation system and composite polymer materials results in a new type of outboard sensor assembly, of the type used to monitor the status and location of towed array systems from boats. The inventive system is lower in cost, easier to manufacture in quantity, lighter weight, less likely to leak, and with a lower failure rate than conventional systems. The pressure compensation system makes use of a two (or more) phase slurry system to provide temperature compensation.
Pressure compensated composite polymer outboard sensor assembly
U.S. Pat. No. 7,206,256 The use of a pressure compensation system and composite polymer materials results in a new type of outboard sensor assembly, of the type used to monitor the status and location of towed array systems from boats. The inventive system is lower in cost, easier to manufacture in quantity, lighter weight, less likely to leak, and with a lower failure rate than conventional systems.
Distributed mode system for real time acoustic emission monitoring
U.S. Pat. No. 7,080,555 A distributed real time health monitoring system is described for monitoring of acoustic emission signals from different regions of a structure such as aircraft or spacecraft structures. The health monitoring system has its analysis and prognosis intelligence distributed out to the local regions being monitored and therefore does not require extensive cabling systems to carry the high bandwidth information characteristic of acoustic emission.
Room temperature cured high temperature and load dimensionally stable acrylate adhesives
U.S. Pat. No. 7,014,790 This invention concerns an acrylate adhesive that cures at room temperature and has excellent dimensional stability. The adhesive may be used in applications such as for fiber optic connectors. The adhesive may be made by curing a two-part system or by use of a primer-based system. The two part system may include an adhesive part A, which may include one or more monofunctional, difunctional, or trifunctional acrylate or methacrylate monomers, a peroxide or hydroperoxide free-radical initiator, an antioxidant, and optionally, additives such as thickeners, thixotropes, and adhesion promoters; and an activator part B, which may contain a N,N-disubstituted aromatic amine, a difunctional methacrylate monomer, an antioxidant, and optionally, additives such as thickeners, thixotropes, and adhesion promoters.
Two-part adhesive with (poly)(meth)acrylate in part A and N,N-disubstituted aromatic amine and di(meth)acrylate in part B
U.S. Pat. No. 6,734,249 This invention concerns an acrylate adhesive that cures at room temperature and has excellent dimensional stability. The adhesive may be used in applications such as for fiber optic connectors. The adhesive may be made by curing a two-part system or by use of a primer-based system. The two part system may include an adhesive part A, which may include one or more monofunctional, difunctional, or trifunctional acrylate or methacrylate monomers, a peroxide or hydroperoxide free-radical initiator, an antioxidant, and optionally, additives such as thickeners, thixotropes, and adhesion promoters; and an activator part B, which may contain a N,N-disubstituted aromatic amine, a difunctional methacrylate monomer, an antioxidant, and optionally, additives such as thickeners, thixotropes, and adhesion promoters.
Coating with primer and topcoat both containing polysulfide, epoxy resin and rubber toughener
U.S. Pat. No. 6,632,860 A process for coating a solid surface comprises 1) applying onto a solid surface a primer coating prepared from an amine curing agent, a polysulfide toughening agent, an epoxy resin, a rubber toughening agent, a fire retardant, a glass fiber thixotrope, and a pigment; and 2) applying onto the primer coating a topcoat prepared from an amine curing agent, a polysulfide toughening agent, an epoxy resin, a rubber toughening agent, a fire retardant, a glass fiber thixotrope, a pigment and an abrasive aggregate.