89 results about "Temperature extreme" patented technology

An apparatus for and method of minimizing the thermo-mechanical fatigue of flip-chip packages. The interposer of the present invention, preferably comprising an organic polymer such as polyimide, contains apertures having conductive plugs inserted therein for joining a chip to a substrate in an electronic module utilizing flip-chip packaging. The interposer is selected to provide optimum spacing between the chip and substrate having a coefficient of thermal expansion adapted to the thermal cycling temperature extremes of the module components. The interposer may comprise an inner core with two adhesive outer layers which may comprise different materials to promote adhesion at their respective interfaces within a module. Conductive plugs are disposed within the apertures of the interposer comprising of a first and second solder or comprising a conductive plug having top and bottom surfaces coated with a conductive adhesive. Preferably, the first solder is disposed within an interior of the apertures and the second solder is disposed within an exterior of the apertures such that the first solder is between a first portion and a second portion of the second solder. Upon reflow, the second solder is reflowed while the first solder remains solid.

The invention relates to a method and a device for monitoring, also permanently and automatically, temperature distributions and / or temperature anomalies on the basis of distributed fiber-optic temperature sensing as well as to the use of such methods. According to the invention the detection of local temperature extremes, i.e. minimums or maximums, in view of the evaluation is performed by an evaluation without numeric derivations. With the device for monitoring ascending and supply pipes surrounded by an annular space it is possible to check the safety of pressurized installations, particularly in the field of low-pressure gas storage, in a cost-efficient manner. Moreover, the position of an underground watershed or respectively the direction and flow rate of the flows in flooded drift sections can be determined on the basis of fiber-optic temperature measurements. The defined arrangement of preferably vertical sensor cables inserted into the bores also makes it possible to examine the tightness of base sole and lateral walls in building excavations. Finally, the virtually horizontal, meander-shaped arrangement of fiber-optic cables situated in several levels makes it possible to evaluate and control the efficacy and homogeneity of leaching processes in leaching dumps and fills.

A life-saving child car seat / carrier safety system that protects a child from injury or death due to passenger compartment temperature extremes is described herein. Each year, children and infants die tragically as a result of overheating in automobile passenger compartments when they are mistakenly left unattended by their caregivers. The present invention provides a system and method for child safety comprising an automatically closing child car seat compartment that detects dangerous temperatures; notifies caregivers via an auto-dialing cell phone; alerts passersby via emergency lighting, audible alarms, vocal alerts, and electronic messaging; contacts emergency services with GPS location information; provides breathable air; and provides temperature regulation as needed to cool or warm a child. A distinguishing feature of the invention is lifesaving temperature regulation provided by a thermally insulating enclosable seating compartment, a temperature sensor, and a Peltier junction thermoelectric device, or other means of cooling and heating.

Underwater power generation for an underwater vessel is provided when the vessel transits through an underwater thermocline. At least a portion of the shell of the vessel is made from a thermally conductive material. Thermo-to-electric energy converters are electrically coupled together with each converter having a first surface thermally coupled to the shell's inner surface. A phase change material is thermally coupled to each opposing second surface of the converters. The phase change material has a phase change temperature that is between the upper and lower temperature extremes of the underwater thermocline's temperature range. The converters generate electrical power as the underwater vessel transits through the underwater thermocline.

Keeping an infant comfortable and well ventilated when out for a stroll with mommy is the intent of this invention. A conditioned-air baby stroller keeps an infant comfortable while pushed by its caretaker. The working components of the heating and cooling apparatus are easily attachable by Velcro® or other attachment means to the baby carriage. Reliable electrical power is assured by a small electrical generator mechanically rotated when the childcare provider pushes the four-wheeled carriage. The generator provides heated or cooled air for the baby's comfort, electrically powering fan assemblies, easily mounted inside the canopy in a flow direction desired by the caretaker. Each fan assembly comprises a housing, a blower fan and motor, and heating element disposed in the housing and protected from accidental contact by a protective screen. An optional battery, kept charged by the electrical generator, continues to provide electric power if the caretaker stops the carriage. By applying electrical power from the generator to the heating element the infant is kept warm in cold weather. In hot weather the air intake side of each fan housing allows insertion of a refrigerated cold pack for increased infant comfort. Desired heating and cooling conditions are selected by activation of selection buttons fixedly securable by a clamp mechanism is to the handle of the baby stroller. An optional snap-on cover provides a microenvironment for the infant in times of temperature extremes.

The Resettable Latching MEMS Temperature Sensor provides the capability of recording external temperature extremes without consuming electrical power. The device incorporates a thermal bimorph, contacts, latches, and actuators for device reset. The device can be designed, hardwired, or programmed to trigger at various temperature levels. The device can be fabricated in a simple micromachining process that allows its size to be miniaturized for embedded and portable applications. During operation, the device consumes no quiescent power. The device can be configured to close a circuit, switch an interrupt signal, or switch some other electrical trigger signal between devices at the time of a temperature extreme being reached, or it can be configured to latch and be polled at some time after the temperature limit has occurred.

An apparatus and method for allowing emergency calling with a Global System for Mobile (GSM) radiotelephone during temperature extremes includes a Subscriber Identification Module (SIM) card, a temperature sensor; and a controller that detects when the radiotelephone has a SIM card error, whereupon the controller obtains a temperature measurement from the temperature sensor. If it is found that the temperature measurement is outside of an operating temperature range of the SIM card, the controller permits the radiotelephone to make an emergency calls only.

PCT No. PCT / FI95 / 00377 Sec. 371 Date Mar. 18, 1997 Sec. 102(e) Date Mar. 18, 1997 PCT Filed Jun. 29, 1995 PCT Pub. No. WO96 / 00789 PCT Pub. Date Jan. 11, 1996The present invention concerns transgenic plants producing trehalose and methods of increasing the trehalose content of plants. According to the invention, the plants of interest are transformed with the coding sequence of a gene for trehalose-6-phosphate synthase fused to a non-constitutive plant promoter, which allows for temporal, topological or stress-induced control over the expression of the gene. The invention can be used for protecting staple crop plants against drought, high salinity or temperature extremes and for improving the storage properties of harvested plants including green food stuffs, picked fruits and ornamental plants.

An ultrasonic coupler assembly for coupling an ultrasonic transducer to a pipe wall is disclosed, wherein the ultrasonic coupler is configured using three quadrilateral sections to reduce the temperature extreme to which the ultrasonic transducer is exposed and to improve the quality of the ultrasonic signal passing through the ultrasonic coupler.

The invention relates to a high-temperature extreme-pressure bentonite grease lubricant. The grease lubricant comprises the following components, by weight 80-95% of base oil, 5-15% of a thickener, 5-20% of an extreme pressure additive and 10-30% of an active dispersant, wherein the base oil is one of a mineral oil and a synthetic oil or a mixture of the two oils, and the extreme pressure additive is a solid lubricant. A preparation method of the grease lubricant comprises the following steps: fully stirring the base oil and the extreme pressure additive to uniformly mix them, adding the thickener, continuously fully stirring to uniformly mix, adding the active dispersant, stir-mixing for a certain amount of time, and grinding to uniformly disperse to obtain the grease lubricant. The grease lubricant of the invention has good high temperature performances, a good colloid stability, and a good mechanical stability, and is especially suitable for mechanical lubrication parts working under high-temperature heavy-load high-pollution conditions.

The invention relates to a fiber reinforced high temperature thermal barrier composite ceramic thick coating material. The fiber reinforced high temperature thermal barrier composite ceramic thick coating material has the following structure: spray coating layers having the 'concrete' action and reinforced layers which are arranged between the spray coating layers and have the 'steel bar' action are arranged in turn on the surface of a metallic matrix workpiece of a spray coating and cementing bottom layer; the spray coating layers at least have 3 layers and are prepared from a powdery composite coating material with double effects of high temperature thermal barrier and ablative heat protection by a plasma spraying process; and the reinforced layers are formed by high temperature fibers which wrap the spray coating layers in a paralleled or staggered mode for one or two times, and the use temperature of high temperature fibers is more than or equal to 700 DEG C. The material is prepared by the following steps: preparation of a matrix, spray coating, wrapping and the like. The material can be coated on the surfaces of various aircrafts moving at a high speed in the atmospheric layer through the plasma spraying process so as to have the actions of the high temperature thermal barrier and the ablative composite protective layer. The material can improve the upper limit of the working temperature of a metallic matrix in a high temperature environment and simultaneously prolong the service time of the metallic matrix in a high temperature extreme environment. The material has high practicability and is suitable for the industrialized production.

A safety system for protecting an occupant or occupants of an automotive vehicle from temperature extremes is automatically activated when the vehicle engine is turned off. A computer-based monitor unit, connected to a temperature sensor, an occupancy detector and at least one alarm device, compares the sensed temperature with predetermined high and low temperature reference levels and if the sensed temperature is either above or below these levels, and the vehicle is indicated to be occupied, activates the alarm device so as to indicate an alarm condition within the interior of the vehicle.

In a power amplifier, techniques are provided for protecting the power amplifier from temperature extremes resulting from conditions such as load mismatches. After sensing the temperature of the power amplifier, the operation of the RF power amplifier is controlled accordingly. In one example, the power amplifier is shut down when the sensed temperature reaches a threshold value, which can be set to a value just below the point where permanent damage would occur. In another example, when a threshold temperature is reached, the operation of the power amplifier is changed, to prevent the temperature of the power amplifier from rising to a level that would damage the power amplifier.

The invention relates to an automatic control method for improving the uniformity of the temperature of a sleeve kiln and belongs to the technical field of industrial automation. According to the method, on the basis of a fuzzy control principle, the variation of the temperature of each combustion chamber of the ring-shaped sleeve vertical kiln is tracked by an industrial control computer so as to control the temperature of the ring-shaped sleeve vertical kiln. A temperature extreme value judgment controller, a temperature fuzzy controller, a gas flow regulation controller and a combustion air flow controller are arranged in a programmable logic controller (PLC) machine; and the temperature of the sleeve kiln is controlled and regulated by judging the variation of the temperature of each combustion chamber, automatically regulating a distribution coefficient of gas in each combustion chamber and regulating the gas flow and the combustion air flow of each combustion chamber according to the coefficient. According to the method provided by the invention, due to the adoption of the automatic control method, the uniformity of the temperatures of the combustion chambers can be improved, the product quality is improved and refractory materials inside the sleeve kiln are protected.

The invention relates to a device and a method for testing an elasticity modulus under high temperature and ultrahigh temperature environments, and provides a device and a method for testing the elasticity modulus of a high temperature resistance material, such as ceramic, under high temperature and ultrahigh temperature extreme environments by utilizing a notched ring specimen. The device comprises a notched ring specimen and a cross recess clamp with a base and an action roller, and the notched ring specimen is arranged in a cross horizontal slot of the device so as to solve the problem of location of the notched ring specimen in high-temperature and ultrahigh-temperature furnaces. The method comprises the step of respectively loading notched ring specimen and a comparison specimen by utilizing same loads under complete same conditions to obtain two different compression displacements, wherein the difference value is a real deformation quantity of the notched ring specimen; therefore, deformation measurement system errors under the high-temperature and ultrahigh-temperature environments are eliminated. The device and the method provided by the invention can measure the elastic modulus of a material under the high-temperature and ultrahigh-temperature environments, and have great important significance to structure design and safety evaluation of aeronautical materials and refractory materials.

A system and method for performing hydrothermal treatment includes a reactor vessel having a pressure bearing wall. The surface of the pressure bearing wall that faces the reactor chamber is covered by a liner to protect the wall from exposure to temperature extremes, corrosives and salt deposits. The liner is formed with a porous layer and a non-porous, corrosion resistant layer. The corrosion resistant layer is positioned adjacent to the porous layer to seal the porous layer between the corrosion resistant layer and the wall of the vessel. Connectors extend through the wall of the reactor vessel to allow for fluid communication between the porous layer and an externally located pump. A heat transfer fluid can be selectively passed through the porous layer to maintain the temperature of the liner.

A system includes a temperature chamber (100), a text fixture (402), a test coupon (400), a data acquisition unit (404), an ohmmeter (406) and a computer (410). The temperature chamber (100) provides temperature extremes to the test coupon (400). The test coupon (400) includes a substrate (314), one or more vias (418-429) and traces (402-412) connecting the vias. The data acquisition unit (404) continuously measures a resistance value of the circuit formed by the vias (418-429) and traces (402-412) during temperature cycling of the test coupon (400) held by the test fixture (402). The ohmmeter (406) measures the temperature of the test coupon (400) with a thermocouple. The data is used to detect failures of the materials in the test coupon (400) during the temperature cycling.

The invention belongs to the technical field of polymer electrolyte preparation and relates to organic-inorganic hybrid all-solid-state polymer electrolyte with high thermal resistance and mechanical strength and a preparation method thereof. This electrolyte comprises a polyaryletherketone-polyethylene glycol brominated copolymer matrix having a polyethylene glycol structured main chain, inorganic nanoparticles and a lithium salt. The polyetherketone main chain structure is introduced to polyethylene glycol chain segments, thus ensuring the transmission of lithium ions in the polymer electrolyte, and the polyaryletherketone main chain structure provides the polymer electrolyte with excellent thermal resistance. The introduction of the inorganic nanoparticles also partly improves the mechanical strength, thermal stability and chemical stability of the polymer electrolyte. The invention improves the defect that traditional polymer electrolyte fails at a high temperature and ensures that an electrochemical device such as a lithium ion battery, a solar cell and a supercapacitor, assembled with the all-solid-state polymer electrolyte, operates safely and efficiently in high-temperature extreme environments.

The present invention relates to a universal colorant composition that is essentially free of volatile organic compounds (VOCs) and alkyl phenol ethoxylates (APEs). The present invention comprises a dispersing vehicle that comprises a low molecular weight carbamide compound, a C3-C5 polyalcohol, a polyethylene glycol, and optionally water. The dispersing vehicle provides excellent humectant and dispersing properties. The colorant composition comprising the dispersing vehicle maintains its stability and functionality following extended exposure to the atmosphere and / or temperature extremes. The present invention provides a colorant composition that is universally compatible with a wide variety of aqueous / water-based and organic solvent-based paints and coatings, while exhibiting physical and performance characteristics that are comparable to conventional colorant compositions that contain VOCs and APEs. A process for preparing a universal colorant composition for tinting a wide variety of aqueous / water-based and organic solvent-based paints and coatings is also provided.

An acousto-optic modulator includes an acousto-optic bulk medium and transducer attached to the acousto-optic bulk medium. The transducer includes an electrode circuit and plurality of piezoelectric platelet segments attached to the bulk medium and supporting the electrode circuit. The piezoelectric platelet segments are configured for reducing shear stress and susceptibility to fracture due to temperature extremes.

In a power amplifier, techniques are provided for protecting the power amplifier from temperature extremes resulting from conditions such as load mismatches. After sensing the temperature of the power amplifier, the operation of the RF power amplifier is controlled accordingly. In one example, the power amplifier is shut down when the sensed temperature reaches a threshold value, which can be set to a value just below the point where permanent damage would occur. In another example, when a threshold temperature is reached, the operation of the power amplifier is changed, to prevent the temperature of the power amplifier from rising to a level that would damage the power amplifier.

The invention discloses a system and a method for precisely identifying a target and calculating an effect in an ecological sponge type urban construction suitable area. The system comprises a spatialdata acquisition module, a suitable area spatial identification module, an index control and measure design module and a construction effect calculation module. The method is used for sponge city construction from city construction planning to engineering design whole process. Accurate identification of construction and reconstruction target suitable areas and suitable grade targets in urban heatisland control and urban landscaping processes can be realized, and the effects of flood disasters and high-temperature extreme climate events under different urban construction and reconstruction scenarios can be measured and calculated. The system comprises a novel sponge city and heat island control dual-target city planning and design framework, achieves refined remote sensing classificationand artificial intelligence detection algorithm aiming at precise identification of the ecological sponge city space suitability, and can effectively simulate the effects of city construction and reconstruction on rain flood and extreme high temperature events.

An integrated, outdoor compatible and portable solar photovoltaic device is made for USB based charging of mobile devices (i-phones / tablets / i-pads etc.) as well as for operating 12 V DC or mains voltage AC lighting and other small appliances. It can be used as an emergency power source for charging / operating these devices in case of sudden power interruption as well. This device, totally compatible with outdoor conditions of temperature extremes, snow, dust, rain, wind, hail, mud etc., is protected by an electrical fuse, a glowing “low battery charge” indicator and an hibernation / active switch. A toggle switch turns it in Lamp & USB charging mode when it is intended to be used.With regular 6 hr charging in a sunny day or all day charging in a cloudy day, 30 Wh energy can be used daily without harming the 60 Wh sealed battery's working life. Occasionally, much higher Wh can be consumed. The device is wired in such a way that it is always charged as the solar panel is always connected with the battery through the charge controlling device. In another embodiment, 12 VDC outlet is not provided but the regular USB charging system is replaced with a more powerful charger so that USB charging gadgets are charged much quickly, almost like their wall plug charging. 120V / 60 Hz, 230V / 50 Hz or any other AC line voltage and frequency can be obtained in yet another embodiment using an appropriate “modified” or “pure sine wave” type inverter intrinsic in it. This embodiment may or may not have an USB charging port and is fully scalable to a portable micro-grid storing more solar energy and power.The energy (Wh) going in / from this device during its charging / discharging can be monitored remotely on an smart phone using an intrinsic Blue-tooth broadcaster fitted in it with current and voltage monitoring sensors and a microprocessor. All the embodiments described here can have this capability.

An acousto-optic modulator includes an acousto-optic bulk medium and transducer attached to the acousto-optic bulk medium. The transducer includes an electrode circuit and plurality of piezoelectric platelet segments attached to the bulk medium and supporting the electrode circuit. The piezoelectric platelet segments are configured for reducing shear stress and susceptibility to fracture due to temperature extremes.

An accelerometer device for reducing stress on the sensor resulting from temperature extremes and multiple coefficients of thermal expansion. An exemplary accelerometer device includes upper and lower stators and a reed. The reed includes a support ring and a paddle that is flexibly connected to the support ring. The support ring includes a ring section and at least two mounting devices. The mounting devices are at least partially mechanically isolated from the ring section. The ring section flexibly receives the paddle. The mounting devices include a pad area and a neck area that connect the pad area to the ring section. The neck area includes a width dimension that is narrower than a diameter dimension of the pad area.

The present invention relates to a universal colourant composition that is essentially free of volatile organic compounds (VOCs) and alkyl phenol ethoxylates (APEs). The present invention comprises a dispersing vehicle that comprises a low molecular weight carbamide compound, a C3-C5 polyalcohol, a polyethylene glycol, and optionally water. The dispersing vehicle provides excellent humectant and dispersing properties. The colourant composition comprising the dispersing vehicle maintains its stability and functionality following extended exposure to the atmosphere and / or temperature extremes. The present invention provides a colourant composition that is universally compatible with a wide variety of aqueous / water-based and organic solvent-based paints and coatings, while exhibiting physical and performance characteristics that are comparable to conventional colourant compositions that contain VOCs and APEs. A process for preparing a universal colourant composition for tinting a wide variety of aqueous / water-based and organic solvent-based paints and coatings is also provided.

An apparatus and method for allowing emergency calling with a Global System for Mobile (GSM) radiotelephone during temperature extremes includes a Subscriber Identification Module (SIM) card, a temperature sensor; and a controller that detects when the radiotelephone has a SIM card error, whereupon the controller obtains a temperature measurement from the temperature sensor. If it is found that the temperature measurement is outside of an operating temperature range of the SIM card, the controller permits the radiotelephone to make an emergency calls only.