Freitas, BR
Carlos Alberto Bergamasco De Freitas, Sao Paulo BR
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20130071810 | AUXILIARY DEVICE FOR MARKING THE LOCATION OF THE INSTALLATION OF DENTAL IMPLANTS - The present Utility Model Patent relates to Auxiliary Device Marking the Location of Installation of Dental Implant made of various materials such as titanium, surgical steel, metal alloys, polyethylene, acrylic polymers, other suitable plastic and other characterized as being composed by rod ( | 03-21-2013 |
David Fraga Freitas, Rio De Janeiro BR
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20140078864 | INTRA-BED SOURCE VERTICAL SEISMIC PROFILING - A system and method obtain a Vertical Seismic Profile (VSP). The system includes a seismic source disposed in a first borehole at a first depth greater than an identified depth of a interface, the seismic source configured to emit seismic waves. The system also includes one or more receptors disposed in a second borehole that includes a target region of interest, the one or more receptors configured to receive direct and reflected components of the seismic waves. | 03-20-2014 |
Emerson Freitas, Sao Jose Dos Campos - Sp BR
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20090062973 | STALL, BUFFETING, LOW SPEED AND HIGH ATTITUDE PROTECTION SYSTEM - A flight control system moves elevators according to a pilot command summed with an automatic command. The flight control system monitors a set of flight parameters to determine if the flight vehicle is operating inside a permitted envelope. The flight controls system incorporates automatic protections thru the automatic elevator command if the flight vehicle is close to its envelope limits. The exemplary illustrative non-limiting implementation herein provides automatic protections in order to protect the flight vehicle from low speeds, high attitude, stalls and buffetings. | 03-05-2009 |
20110054720 | STALL, BUFFETING, LOW SPEED AND HIGH ATTITUDE PROTECTION SYSTEM - A flight control system moves elevators according to a pilot command summed with an automatic command. The flight control system monitors a set of flight parameters to determine if the flight vehicle is operating inside a permitted envelope. The flight controls system incorporates automatic protections thru the automatic elevator command if the flight vehicle is close to its envelope limits. The exemplary illustrative non-limiting implementation herein provides automatic protections in order to protect the flight vehicle from low speeds, high attitude, stalls and buffetings. | 03-03-2011 |
Gustavo Freitas, Novo Hamburgo BR
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20110079339 | FRICTION STIR WELDING SPINDLE DOWNFORCE AND OTHER CONTROL TECHNIQUES, SYSTEMS AND METHODS - Friction stir welding equipment control force spindle for mounting in an orbital head housing uses a coaxial sensor to measure downforce. Simultaneously, an axial electrical actuator is controlled to dynamically correct the axial tool position during the welding, by a direct axial force system control, in order to maintain controlled downforce according to parameters previously set, based on numerical control. The equipment also sets up, monitors and controls spindle rotation speed, welding speed, acceleration speed and downforce using for example closed loop control functions. A laser system may scan the backing surface before welding and correct original tool path, in order to get an offset tool path. A precision alarm system may provide safe welding while preventing the tool from colliding with the backing surface. | 04-07-2011 |
Joao Jorge Martins Freitas, Sao Paulo BR
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20110110049 | MOTOR CONTROL CENTER UNIT WITHDRAW WITH DOOR CLOSED - An electrical enclosure wherein an electrical component can be moved between various positions (e.g., connected, disconnected, test, etc.) without opening an enclosure door. The electrical enclosure supports a component for movement between a withdrawn position, a test position, and an inserted position. A handle is accessible by an operator from an exterior of the enclosure and is configured to move the component between the respective positions without having to open the enclosure. The handle is integral with the enclosure and thus an operator needs no special tool or other device to effect movement of the electrical component between its respective positions. | 05-12-2011 |
20140126120 | MOTOR CONTROL CENTER UNIT WITHDRAW WITH DOOR CLOSED - An electrical enclosure wherein an electrical component can be moved between various positions (e.g., connected, disconnected, test, etc.) without opening an enclosure door. The electrical enclosure supports a component for movement between a withdrawn position, a test position, and an inserted position. A handle is accessible by an operator from an exterior of the enclosure and is configured to move the component between the respective positions without having to open the enclosure. The handle is integral with the enclosure and thus an operator needs no special tool or other device to effect movement of the electrical component between its respective positions. | 05-08-2014 |
Lino Rodrigues De Freitas, Lagoa Santa - Mg BR
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20080286181 | Process for Enrichment of Anatase Mechanical Concentrates in Order to Obtain Synthetic Rutile with Low Contents of Rare Earth and Radioactive Elements - The present invention relates to a process for obtaining synthetic rutile with low contents of rare earth and radioactive elements from anatase mechanical concentrates, comprising the following sequential operations: calcination (1) of the anatase concentrate in a fluidized bed or rotary kiln, at a temperature between 400° C. and 600° C., during a period of time from 15 to 60 minutes, wherein hydrated iron oxides are converted into hematite after hydration water is removed, providing a reduction in the time required for next step; reduction (2) of the calcined product, in a fluidized bed or rotary kiln, at a temperature between 400° C. and 600° C., during a period of time from 5 to 30 minutes, using hydrogen, natural gas or any carbon based reducing agent such as metallurgical coke, charcoal, petroleum coke, graphite, among others, the result of which is the trans-formation of hematite into magnetite; dry or wet low-intensity magnetic separation (3) of the reduced product, in permanent magnet and drum magnetic separators, the magnetic field ranging between 600 and 800 Gauss, in which the magnetic fraction generated in the reduction step is discarded; high-intensity, high-gradient magnetic separation (4) of the low-intensity non-magnetic fraction, in rare-earth permanent magnet, either roll or drum, separators with magnetic field intensity ranging from 10000 to 15000 Gauss, extracting silicates, secondary phosphates, monazite, calzirtite, zircolinite and uranium and thorium-containing minerals; leaching (5) of the magnetic fraction of the high-intensity, high-gradient separation in agitated tanks or fluidized bed columns, with a solution of 20-25% w/w HCl, a solid-liquid ratio of 1/2 w/w, a temperature between 90° C. and 107° C., for a residence time in the leaching from 2 (two) to 4 (four) hours, providing solubilization of impurities rich in iron, aluminium, phosphates, magnesium, barium, calcium, strontium, rare earths, uranium and thorium; filtering of the leached product in a belt filter; drying of the filtered product in a rotary or fluidized bed drier; oxidation (6) of the dried product in a rotary kiln or fluidized bed reactor, at a temperature ranging 900° C. and 1200° C., in the presence of a mixture of the following substances: alkali metal sulphates (mainly lithium, sodium and potassium), alkali metal carbonates (mainly lithium, sodium and potassium), phosphoric acid (H | 11-20-2008 |
Lisiane Dos Santos Freitas, Aracaju BR
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20110186515 | PROCESS FOR TREATMENT OF WATER/OIL EMULSIONS - A process for the treatment of water/oil (W/O) emulsions is described which includes the addition of an ionic liquid, under heating, to a water/oil emulsion containing between 0.5% and 85% of water per volume as a dispersion phase, until the concentration of the ionic liquid in the emulsion remains within the range of 0.01 μL/g to 100 μL/g. The ionic liquid used is a salt of a general C | 08-04-2011 |
Miller Nunes De Freitas, Sao Paulo BR
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20100143472 | OSMOTIC FORM FOR CONTROLLED RELEASE OF ACTIVE PRINCIPLES - The present invention refers to a tablet-shaped osmotic release system providing, in a controlled way, active principles which solubility depends on the pH of the medium, simultaneously providing appropriate solubilization throughout the gastrointestinal tract. The pharmaceutical osmotic release system comprises of a pharmaceutical layer, which contains at least one active principle in a solid solution, a propelling layer, which contains at least one osmopolymer and at least one osmoagent, a semipermeable coating involving both layers, and at least one orifice in the semipermeable coating at the side of the pharmaceutical layer. | 06-10-2010 |
Renato De Almeida Freitas, Sao Caetano Do Sul BR
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20150232027 | SYSTEMS AND METHODS TO INDICATE CLEARANCE FOR VEHICLE DOOR - In one exemplary embodiment of the invention, a vehicle warning system is provided. The system includes a vehicle having a door movable between a closed position and a fully open position, and an outer zone associated with the door. The outer zone defines an area providing a sufficient clearance to move the door to the fully open position. The system further includes an active safety system that monitors the outer zone and generates a warning signal if an object is located within the outer zone such that the door does not have sufficient clearance to move to the fully open position. | 08-20-2015 |
Ricardo Munoz Freitas, Rio De Janeiro Rj BR
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20090052831 | Fiber optic position transducer with magnetostrictive material and position calibration process - Fiber optic position transducer that includes a magnetic or electromagnetic element, one or more segments of magnetostrictive material, Fiber Bragg Grating Sensors, a rod of material that is impenetrable to magnetic fields, optical fiber. One or more of the sensors is fixed upon a segment of magnetostrictive material, which is fixed to a rod, and may only be displaced longitudinally. The Fiber Bragg Grating Sensors have different wave lengths and are made of the same optical fiber. The magnetic or electromagnetic element included may be made of NdFeB (Neodymium Iron Boron) or metal alloys of TbDyFe (Terbium, Dysprosium and Iron), such as TX, Terphenol-D and others. It is applied to a control flow valve in an oil well, and it also refers to the calibration process of the position of the transducer. | 02-26-2009 |
20100316328 | Fiber optic position transducer with magnetostrictive material and position calibration process - Fiber optic position transducer that includes a magnetic or electromagnetic element, one or more segments of magnetostrictive material, Fiber Bragg Grating Sensors, a rod of material that is impenetrable to magnetic fields, optical fiber. One or more of the sensors is fixed upon a segment of magnetostrictive material, which is fixed to a rod, and may only be displaced longitudinally. The Fiber Bragg Grating Sensors have different wave lengths and are made of the same optical fiber. The magnetic or electromagnetic element included may be made of NdFeB (Neodymium Iron Boron) or metal alloys of TbDyFe (Terbium, Dysprosium and Iron), such as TX, Terphenol-D and others. It is applied to a control flow valve in an oil well, and it also refers to the calibration process of the position of the transducer. | 12-16-2010 |
Rodrigo Fernandes Freitas, Benfica BR
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20150279485 | ADVANCED MEMORY TEST DIAGNOSTICS - For performing advanced memory test diagnostics, an apparatus, method, and computer program product are disclosed. The apparatus may include a processor, a memory that stores code executable by the processor, an address space module that identifies an address space having a plurality of blocks of memory addresses, a memory diagnostic module that performs, at least three times, a memory test procedure using a block pattern, wherein a first block pattern is used the first time, a second block pattern is used the second time, and a third block pattern is used the third time, and a memory fault module that determines the presence of a memory fault based on results of the memory test procedures. | 10-01-2015 |
Zaida Maria Faria De Freitas, Rio De Janeiro BR
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20090068126 | Composition for surface photoprotection - The molecules capable of absorbing ultraviolet radiation from the cashew nut shell liquid changes are the object of the present invention; it is also described the compositions responsible for protecting the surfaces and chemical processes for the referred molecules production. | 03-12-2009 |