Raytheon Company

Peter H Vo

Roger C Esplin

Brandon Craig Barclay

Richard O Beaman

John F Binnie, Jr

Brian B Greer

Edward C Schlatter

James Paul Henderson

Michael Klensin

Albert R Jordan, Iii

Colleen Williams

Jeffrey J Layton

An isolator including a body having a wall with slots that extend through a thickness of the wall from an isolator exterior to an isolator interior; the isolator comprising a center of elasticity; the slots having a cut angle oriented as angled relative to a radial direction orthogonal with an axis of the isolator; and a damping material disposed within at least one of the slots.

3-axis tunable metal isolator

A shock isolator includes slots in inner and outer parts that define flexures between the parts. The slots may include inner slots and outer slots that are offset from each other around a perimeter of the inner part. The shock isolator also includes stops that provide a mechanical limit on the movement of the flexures. The stops may be posts that extend from one of the parts into holes in the other of the parts. In another embodiment that stops may be extensions from one of the parts over portions of the other of the parts. The stops help in preventing plastic bending and/or fracture of the flexures due to stress.

Shock isolator with flexures and stop mechanism

A low-profile shock isolating payload mounting assembly comprises a first mount, a second mount, and an isolator. The second mount is movable relative to the first mount and comprises a riser comprising an inclined surface. The isolator comprises an inner frame and an outer frame. The inner frame couples to the first mount and comprises a platform and a leg extending from the platform. The leg is inclined to be complementary to the inclined surface of the second mount. The outer frame couples to the second mount and comprises an opening for accessing the platform of the inner frame. The rail is inclined so as to be complementary to the leg to capture the leg between the rail of the outer frame and the inclined surface of the second mount. The isolator operates to dampen vibrations and shocks propagating between the first and second mounts.

Low profile shock isolating mount

An isolator device comprises a first mount coupleable to an input structure subject to shock and/or vibration energy, a second mount coupleable to an object to be isolated (e.g., an electronics device). A flexure structure is coupled between the first and second mounts, and comprises a plurality of parallel flexures, a series of flexures, and a plurality of transition portions, all defining an isolation path between the first and second mounts. The parallel flexures are tuned to resonant frequency to attenuate shock and/or vibration in an axial direction relative to a normal axis. The series of radial flexures are tuned to resonant frequencies to attenuate shock and/or vibration energy in both radial directions relative to the normal axis. The isolator device can be a single piece of metallic material. An elastomeric damping material can be disposed within openings defined by the flexure structure to dampen response at the isolator's resonant frequency. Associated systems and methods are provided.

Metal isolator with tunable resonant frequencies

An isolator. The novel isolator includes a first mounting structure, a second mounting structure, and a structure for providing a coupling path between the first and second mounting structures, this path having a series of zigzag patterns adapted to attenuate shock and/or vibration energy. The first mounting structure is attached to the shock source, and the second mounting structure is attached to the device to be isolated. In an illustrative embodiment, the isolator provides a path having a series of ninety-degree bends and a length greater than a direct distance between the first and second mounting structures. The path length and number of bends is tuned to provide a desired attenuation level. The dimensions of the isolator may also be tuned to provide a desired resonant frequency. In a preferred embodiment, the isolator is made from metal or some other material having stable properties over time.

Z-leg shock isolator

A missile having an improved dome mounting arrangement, and a method for mounting a sapphire dome to a titanium missile turret that provides for minimum surface deformation and environmental sealing of the dome. A sealing material such as silicone rubber compound that is capable of enduring high temperatures attained during high speed missile flight is employed. The missile has a body with a nose and the dome mounting arrangement is attached to the nose. The dome mounting arrangement comprises a turret secured to the nose, the dome, and a retainer ring attached to the turret for securing the dome to the turret. An annular gap is formed between an outer surface of the dome and an inner surface of the retainer ring. The silicone rubber compound is disposed in the annular gap and cured to seal the dome. A plurality of shims may be disposed between the dome and the turret in a radial gap formed therebetween. A plurality of shims may also be disposed between the dome and the retaining ring around the periphery of the dome during assembly, so that the dome rotates freely after shimming. This ensures that the dome is stress-free during and after curing of the silicone rubber compound. The shims are removed after the silicone rubber compound no longer flows. The silicone rubber compound is cured for high temperature performance by curing for four hours, minimum, at room temperature, and then curing for two hours, minimum, at 160.degree..+-.10.degree. F., and then curing at 260.degree..+-.10.degree. F. for 30 minutes, minimum, and then curing them at 360.degree..+-.10.degree. F. for 30 minutes, minimum. Finally, the compound is cured at 400.degree..+-.10.degree. F. for 30 minutes, minimum, and then cooled to room temperature.

Growing community of inventors

Oro Valley, AZ, United States of America

Peter H Vo