228 results about "Geometric design" patented technology

An implantable sensor for use in measuring a concentration of an analyte such as glucose in a bodily fluid, including a body with a sensing region adapted for transport of analytes between the sensor and the bodily fluid, wherein the sensing region is located on a curved portion of the body such that when a foreign body capsule forms around the sensor, a contractile force is exerted by the foreign body capsule toward the sensing region. The body is partially or entirely curved, partially or entirely covered with an anchoring material for supporting tissue ingrowth, and designed for subcutaneous tissue implantation. The geometric design, including curvature, shape, and other factors minimize chronic inflammatory response at the sensing region and contribute to improved performance of the sensor in vivo.

An implantable sensor for use in measuring a concentration of an analyte such as glucose in a bodily fluid, including a body with a sensing region adapted for transport of analytes between the sensor and the bodily fluid, wherein the sensing region is located on a curved portion of the body such that when a foreign body capsule forms around the sensor, a contractile force is exerted by the foreign body capsule toward the sensing region. The body is partially or entirely curved, partially or entirely covered with an anchoring material for supporting tissue ingrowth, and designed for subcutaneous tissue implantation. The geometric design, including curvature, shape, and other factors minimize chronic inflammatory response at the sensing region and contribute to improved performance of the sensor in vivo.

Latex articles with geometrically defined surface structure providing enhanced grip characteristics in dry, wet or oily environment; and a method of making same comprising applying a polymeric coagulant coating to a smooth former surface, wherein the coating becomes tacky during drying, applying discrete coagulant particles of selected size, shape and distribution to the tacky coating to attach and protrude from the former surface with the polymeric coagulant coating, dipping the former into an aqueous latex emulsion, wherein the polymeric coagulant coating and the discrete coagulating particles destabilize the latex, thereby developing a latex layer, vulcanizing and stripping the latex article inside out, and dissolving the discrete coagulant particles in water or suitable solvents to reveal the geometrically designed texture with pre-selected size, shape and distribution of impressions providing improved dry, wet and oily surface grip by removal of a fluid boundary layer.

The present invention provides a parylene-based membrane filter device for capturing of circulating tumor cells (CTC). The membrane filter has an array of holes having a predetermined geometric design with precisely controlled size, shape and density. In one aspect, the device has a stack of substantially parallel membrane filters with uniformly-spaced and / or monodispersed holes.

A pharmaceutical formulation having a geometric configuration that affects the release characteristics of active agents contained therein and associated methods are provided. In one aspect, a sustained release oral dosage pharmaceutical tablet may include a first layer having a first active agent, where the first layer is disposed between two adjacent controlled release layers, at least one of the adjacent layers including at least one second active agent. The two adjacent layers are arranged such that they cover a portion of the first layer. The two adjacent layers may be separate layers or they may be joined into a single continuous layer, depending on the overall configuration and geometric design of the oral dosage form.

The present invention provides an annular beam of monolithic construction of one homogeneous material and a related efficient, low-cost non-pneumatic tire. Specific geometric design, combined with nonlinear elastomer physical properties, enable the suppression of all reinforcing belts, continuous fibers, or other strengthening layers in the annular beam. The annular beam consists of at least two bands that are continuous in the circumferential direction and connected by a web geometry. The non-pneumatic tire consists of the annular beam, a ground contacting portion, a central wheel, and a plurality of web spokes that connect the wheel and beam. When the tire is loaded to a design load against a flat surface over a design contact length, a contact area of essentially uniform pressure is produced, while the load is transmitted from the beam to the hub via tension in the web spokes. The tire can be economically manufactured.

The invention provides an intelligent networked transportation system for an overall road network. The intelligent networked transportation system comprises a sensing, communication and control modulefor managing the entire transportation system connected by road segments and nodes. When intelligent networked vehicles travel in a transportation network, they will route different types of road facilities such as basic road sections, highways, main roads, traffic bottleneck sections, interlaced and confluence sections, intersections, the start or last one kilometer if the road, parking areas, bridges, tunnels, multi-modal hubs, etc. These different sections and nodes in a transportation network have significant differences in geometric design and facility characteristics. The invention provides a specific intelligent networked system subsystem design to adapt to different types of road characteristics and achieve complete door-to-door travel.

A method and system for computer aided design (CAD) is disclosed for designing geometric objects. The present invention interpolates and / or blends between such geometric objects sufficiently fast so that real time deformation of such objects occurs while deformation data is being input. Thus, a user designing with the present invention obtains immediate feedback to input modifications without separately entering a command for performing such deformations. The present invention utilizes novel computational techniques for blending between geometric objects, wherein weighted sums of points on the geometric objects are used in deriving a new blended geometric object. The present invention is particularly useful for designing the shape of surfaces. Thus, the present invention is applicable to various design domains such as the design of, e.g., bottles, vehicles, and watercraft. Additionally, the present invention provides for efficient animation via repeatedly modifying surfaces of an animated object such as a representation of a face.

The present invention provides a parylene-based membrane filter device for capturing of circulating tumor cells (CTC). The membrane filter has an array of holes having a predetermined geometric design with precisely controlled size, shape and density. In one aspect, the device has a stack of substantially parallel membrane filters with uniformly-spaced and / or monodispersed holes.

The invention relates to an integration circuit design, checking and testing integrated process which is realized by a computer-controlled integral system comprising, an automation design subsystem for presenting the key technical points of each steps from design input to printing chart, a verification subsystem for presenting rule inspection from electricity connected relation checking to geometry design and verification each key technical points, and a testing subsystem for presenting key points of testing survival and fault simulation.

A lighting device combined with an air purification feature is disclosed. At least one function of the device is to provide high quality directional light for general lighting purposes. An additional function is to decompose VOCs and / or destroy microbes in the ambient air. The heat generated by white LEDs is utilized to generate air flow through the device. The geometry is designed to utilize the chimney effect and maximize volumetric flow. The circulated air is purified by a photocatalytic layer applied to the interior surface of the device. The lighting device can be built into pendant luminaires or lamps, thus ensuring vertical orientation of the light module. The exemplary embodiments may be applied in public places, hospitals, ward rooms, and other locations where a cost effective disinfection method is needed.

Latex articles with geometrically defined surface structure providing enhanced grip characteristics in dry, wet or oily environment; and a method of making same comprising applying a polymeric coagulant coating to a smooth former surface, wherein the coating becomes tacky during drying, applying discrete coagulant particles of selected size, shape and distribution to the tacky coating to attach and protrude from the former surface with the polymeric coagulant coating, dipping the former into an aqueous latex emulsion, wherein the polymeric coagulant coating and the discrete coagulating particles destabilize the latex, thereby developing a latex layer, vulcanizing and stripping the latex article inside out, and dissolving the discrete coagulant particles in water or suitable solvents to reveal the geometrically designed texture with pre-selected size, shape and distribution of impressions providing improved dry, wet and oily surface grip by removal of a fluid boundary layer.

A crash helmet assembly is provided including a lightweight shell or lattice of sufficiently rigid material and geometric design to surround but not contact the user's head. The helmet is affixed to a rigid vest-like garment by interconnecting rigid straps and braces such that the resulting combination deflects compression impact forces away from the head and neck and onto the user's shoulders and upper torso.

The present invention consists of the particular geometry of the reflectors or dispersers which constitute the anti-radar chaff cloud. Instead of using conventional rectilinear forms, in the present invention multilevel and space-filling forms are introduced. Due to this geometric design, the properties of the radar chaff clouds improve mainly in two aspects: radar cross-section (RCS) and mean time of suspension.

A chamber, system, and method for separating a selected component from a fluid are provided. The chamber is capable of rotating about the central axis of a centrifuge device and includes a radially-extending duct having an optimized variable cross-sectional area that decreases in relation to the outward radial distance from the central axis of the centrifuge. The optimized geometrical design of the duct provides that a centrifugal force exerted on the selected component caused by the rotation of the chamber substantially balances the drag force exerted on the selected component by the fluid as the selected component flows through the duct. Thus, the duct allows the selected component to be dispersed in equilibrium along the radial length of the duct such that the selected component may be effectively suspended with the duct and / or separated from the fluid using elutriation or other methods.

An surface protection system of manufacture for protecting the surfaces, including restroom floors, from accidental liquid spills, including urine and water, with a top unit containing grid work of any geometric design containing a slip resistance top design that directs liquid down and into the absorbing core; an absorbing core attached to the top unit by any method, consisting of non woven material containing super absorbent polymer or super absorbent fiber, or similar material that has a high rate of absorbency and capacity to retain the liquid in the material; a moister barrier attached to the absorbing core and the top unit by any permanent means, including glue, heat welding, or other methods, and optionally, a backing unit containing slip resistant characteristics. All components being combined into one surface protection system that also provides for the user to stand on a portion of it, allowing a closer position to a urinal, toilet, beverage machine, drinking fountain, or other intended use of the surface protection system. An article of manufacture for protecting the counter surfaces from accidental liquid spills, including coffee, carbonated beverages, and water, with a top unit containing grip work grid work of any geometric design containing a slip resistance top design that directs liquid down and into the absorbing core; an absorbing core attached to the top unit by any method, consisting of non woven material containing super absorbent polymer or super absorbent fiber, or similar material that has a high rate of absorbency and capacity to retain the liquid in the material; a moister barrier attached to the absorbing core and the top unit by any permanent means, including glue, heat welding, or other methods, and optionally, a backing unit containing slip resistant characteristics. All components being combined into one surface protection system that also provides for the user to stand on a portion of it, allowing a closer position to a urinal, toilet, beverage machine, drinking fountain, or other intended use of the surface protection system.

In order to provide an angle sensor in an embodiment, which is axially short in particular and on the other hand radially wider, with a functionality that is as good as possible, on the one hand certain shielding measures against interfering magnetic fields are proposed, and on the other hand a certain geometric design is proposed, in particular comprising an intermediary magnet.

An ossicle prosthesis includes, at one end, a first fastening element designed as a top plate for mechanical connection with the tympanic membrane, and, at the other end, a second fastening element for mechanical connection with a component or parts of a component of the ossicular chain or with the inner ear, and a connecting element that connects the two fastening elements with each other in a sound-conducting manner; the top plate includes a radially outward annular region, a radially inward attachment region for mechanically attaching the top plate to the connecting element, and several segment elements for radially connecting the annular region with the attachment region, characterized by the fact that the segment elements are geometrically designed such that they locally emulate any localized medial motions made by the tympanic membrane, but they do not transmit the motion to distant regions of the top plate. As a result, a high level of post-operative flexibility and variability of the prosthesis, and higher-quality sound conduction through the prosthesis may be attained in a technically simple, uncomplicated, and cost-favorable manner.

A system for evaluating a manufacturability of a casting design. The system includes at least one of a geometry analyzer, a casting evaluation tool, a residual stress evaluation tool, and a machining evaluation tool. The geometry analyzer analyzes a geometric design of the casting design to determine its geometric design-ability, the casting evaluation tool evaluates the casting design to determine its cast-ability, the residual stress evaluation tool evaluates the casting design to determine its heat treat-ability, and the machining evaluation tool evaluates the casting design to determine a machine-ability of the casting design. If the casting design is determined as not geometrically design-able, not cast-able, not heat treat-able, or not machine-able by the geometry analyzer, the casting evaluation tool, the residual stress evaluation tool, or the machining evaluation tool, respectively, then modifications to the casting design are recommended to optimize the casting design for manufacturing.

The present invention provides an annular beam of monolithic construction of one homogeneous material and a related efficient, low-cost non-pneumatic tire. Specific geometric design, combined with nonlinear elastomer physical properties, enable the suppression of all reinforcing belts, continuous fibers, or other strengthening layers in the annular beam. The annular beam consists of at least two bands that are continuous in the circumferential direction and connected by a web geometry. The non-pneumatic tire consists of the annular beam, a ground contacting portion, a central wheel, and a plurality of web spokes that connect the wheel and beam. When the tire is loaded to a design load against a flat surface over a design contact length, a contact area of essentially uniform pressure is produced, while the load is transmitted from the beam to the hub via tension in the web spokes. The tire can be economically manufactured.

Geometrical design of laser microchips is disclosed that allows variation of the optical path length in the different media by simple displacement of the microchip, the movement having a non-zero projection orthogonal to the pump beam. The concept can be implemented to vary optical loss in the lasing cavity, the absorbed pump power, or the optical length of the cavity. Passively Q-switched microchip laser output performance can thus be controlled by simple transverse displacement of the microchip relative to the pump beam. The above microlaser can be combined with voltage-controlled variable-focus output optics in order to control the peak power density of the laser pulses.

The invention discloses a reverse design method for an impeller of a centrifugal pump, which comprises the following steps: according to a given impeller axial plane, a blade in a three-dimensional space can be actually expressed as X=X(z(u, v), r(u, v), theta(u, v)), the (z(u, v), r(u, v)) has been determined when a streamline of the impeller axial plane is given, and the space modeling of the blade can be determined by determining the theta(u, v) on the impeller axial plane. The reverse design method is characterized in that the reverse design method transforms a geometric design problem of the blade of the centrifugal pump into a boundary value problem of a partial differential equation to solve under the condition of the given impeller axial plane of the centrifugal pump. The reverse design method overcomes a lot of disadvantages such as the definition and modification of geometrical shape of the blade in the prior design method, can realize the parametric design of the blade, overcome the defects existing when a fussy two-dimensional form drawing is used for showing three-dimensional twisted blades in the prior method, can closely combine the hydraulic design of hydraulic machinery, three-dimensional solid modeling and the CFD analysis of flow field, and realize the quick and accurate solving of the reverse problem of the blade.

A flexible core element having a large bonding surface area suitable for sandwich type construction comprising a plurality of first hexagonal nodes defining a first surface, a plurality of second hexagonal nodes defining a second surface spaced apart from and parallel to the first surface, and a plurality of rectangular wall members which interconnect said first hexagonal nodes to said second hexagonal nodes and define the depth of the core element. Each hexagonal node corresponds to an open hexagonal cell on its obverse surface and serves as a bonding surface. The core element is fabricated from a continuous sheet of material that has been die-cut with a repeating geometrical design, creased and folded, concertina style, in upon itself to make a double-sided core material that is flexible, able to vent, exhibits good bend and shear strength, and has a large surface bonding area rendering it suitable in the construction of lightweight sandwich panels and offering a wide array of other applications.

A flexible core element having a large bonding surface area suitable for sandwich type construction comprising a plurality of first hexagonal nodes defining a first surface, a plurality of second hexagonal nodes defining a second surface spaced apart from and parallel to the first surface, and a plurality of rectangular wall members which interconnect said first hexagonal nodes to said second hexagonal nodes and define the depth of the core element. Each hexagonal node corresponds to an open hexagonal cell on its obverse surface and serves as a bonding surface. The core element is fabricated from a continuous sheet of material that has been die-cut with a repeating geometrical design, creased and folded, concertina style, in upon itself to make a double-sided core material that is flexible, able to vent, exhibits good bend and shear strength, and has a large surface bonding area rendering it suitable in the construction of lightweight sandwich panels and offering a wide array of other applications.

Provided is a universal interface adapted for providing continuous positive airway pressure to a patient when the interface is used with a standard ventilator. The interface is configured to operate at a supply pressure no greater than about 120 centimeters of H2O in order to deliver pressure to the patient of up to about 15 cm of H2O at a flow rate of up to about 12 liters / minute. The universal interface may comprise an interface body having a space pair of breathing passageways intersecting a corresponding of supply passageways. Each one of the breathing passageways is comprised of a patient passageway and an exhalation passageway. Each one of the supply passageways includes a jet venturi having a taper portion. Each one of the exhalation passageways includes a taper portion which tapers outwardly along a direction from the patient passageway toward the exhalation passageway.

A novel process neutralizes airborne pathogens by using microwave powered ultra violet light combined with catalyzed filters and impingement media made of a layer of Filtrite filter media or comparable brand filter media covering an aerogel blanket. The geometric design maximizes the efficiency of the UV light, and impingement of pathogens on the Filtrite filter media / aerogel blanket catalyzed surfaces. The system can be utilized for preventing sick building syndrome (SBS), to prevent the spread of airborne diseases in hospitals, biohazard research laboratories, food and pharmaceutical processing facilities, and biological weapons storage facilities. It can also be used in HVAC systems to minimize the contamination caused by a biological terrorist attack.

A garment for children is provided having a body portion formed from a single piece of material in a simple geometric design. A generally curved body portion uses as few as four slits to form a front portion, back portion and opposing arm portions. A front slit can be provided to split the front portion. A neck opening is centrally located and permits the garment to fold around and be secured to the child while the child lays on the same. Optional mitten and hood members can be integrally or removably formed with the garment.

The present invention relates to a variable transmission ratio concurrent axis coniflex gear pair geometrical designing method. Based on spherical engagement theory research said method can implement parameter design of given transmission ratio relationship and concurrent axis coniflex gear pair of interaxial included angle. Tooth profile calculation and solid model creation, and utilizes given transmission relationship and interaxial included angle to define parameter equation of a pair of pitch cone faces and utilizes the kinematics relationship of spherical engagement and CAD software to form non-cone gear solid model. Said non-cone gear pair can simplify existent variable transmission ratio transmission mechanism and can be substituted for combination of several pairs of gear pairs, so that it has extensive universality.

A bonding pad suitable for use in wire bonding an integrated circuit includes an approximately rectangular metal pattern. The bonding pad has at least one slot or hole in it, located at or adjacent to at least one corner of the approximately rectangular metal pattern. The slot or hole provides peeling stress relief.

An elastomeric bush bearing is designed as a slotted bush. To reach a high ratio of static radial stiffness to torsion spring rate along with a high axial stiffness at the same time, a beading is formed at least at one axial end but preferably at both axial ends of the slotted bush. In case of an especially advantageous embodiment, a slotted bush with additional intermediate parts inserted into the elastomeric bearing body, two encapsulated rubber packets are created by the simultaneous special geometric design of the inner part. The individual stiffnesses of the two rubber packets are thus compensated and thus there is a homogeneous increase in the overall stiffness of the bush. The beadings are prepared before the components of the bearing are assembled and vulcanized to the parts of the later outer sleeve.