Abstract: A wiring system for use in an air conditioning system comprising a printed circuit board having a perimeter and wiring receptacles located proximate the perimeter and wiring connectors. In one aspect, at least some of the wiring receptacles comprise two or more wiring sub-receptacles, and each of the wiring sub-receptacles includes a slotted sub-receptacle connection pattern. Furthermore, the slotted sub-receptacle connection pattern of each of the wiring sub-receptacles is different from every other sub-receptacle connection pattern. Each of the wiring connectors includes a ridged connection pattern that is different from every other ridged connection pattern of the wiring connectors, such that a given wiring connector is receivable within only one of the wiring sub-receptacles. An air conditioning system and a method of manufacturing is also provided.

Abstract: In the condenser provided with two of the degassing chambers separated by a cooling fluid, communication between the degassing chambers is prevented even if a pressure difference is increased between the degassing chambers.

Abstract: The subject invention pertains to a method and apparatus for cooling. In a specific embodiment, the subject invention relates to a lightweight, compact, reliable, and efficient cooling system. The subject system can provide heat stress relief to individuals operating under, for example, hazardous conditions, or in elevated temperatures, while wearing protective clothing. The subject invention also relates to a condenser for transferring heat from a refrigerant to an external fluid in thermal contact with the condenser. The subject condenser can have a heat transfer surface and can be designed for an external fluid, such as air, to flow across the heat transfer surface and allow the transfer of heat from heat transfer surface to the external fluid. In a specific embodiment, the flow of the external fluid is parallel to the heat transfer surface.

Abstract: A hydrophilic composition and a hydrophilic member obtained by using the composition are provided, which composition contains a hydrophilic polymer having a specific structure of having a hydrolysable group in the side chain thereof in a content of 50% by weight or more based on the weight of the solid components and further contains an additive having an antifungal property, and which composition shows excellent water resistance and maintains the high hydrophilicity even after being stored for a long period under an environment of high temperature and high humidity.

Abstract: A cooling system of a first psychrometric mixture having a condensation unit capable of condensing fluid contained in this mixture by direct contact with liquid comprising this fluid, the liquid being in the condensation unit at a temperature below that of the first mixture, and an evaporation unit capable of evaporating liquid in a second psychrometric mixture having fluid, the liquid being in the evaporation unit at a temperature greater than that of the second mixture, the condensation and evaporation units being coupled by a circulation circuit of the liquid, and a regulator for regulating the liquid flow.

Abstract: A method of liquefying a hydrocarbon stream, such as natural gas, comprising at least the steps of : (a) partially liquefying a hydrocarbon feed stream (10) to provide a partially liquefied hydrocarbon stream (20); (b) passing the partially liquefied hydrocarbon stream (20) through a first gas/liquid separator (B) to provide a methane-enriched gaseous overhead stream (30a) and a mixed C2+ enriched liquid bottom stream (30b); (c) adding at least a part (30c) of the mixed C2+ enriched bottom stream (30b) to a mixed refrigerant circuit (4) to change the C2 component inventory of the mixed refrigerant (100) in the mixed refrigerant circuit (4); and (d) liquefying the methane-enriched gaseous overhead stream (30a, 30) against at least a fraction (110, 125, 135) of the mixed refrigerant (100) in the mixed refrigerant circuit (4) to provide a liquefied hydrocarbon stream (50).

Abstract: A refrigerant stream is provided at a refrigerant pressure, and passed through at least three heat exchange steps operating at different pressures. A hydrocarbon stream is passed through at least two of these heat exchange steps to provide a cooled stream. A fraction of the refrigerant stream is expanded and evaporated at each heat exchange step to a different pressure, to provide a first evaporated refrigerant stream at a first evaporation pressure, and at least two other evaporated refrigerant streams at evaporation pressures lower than the first. The first evaporated refrigerant stream is compressed through a highest-pressure compressor to provide at least a fraction of the refrigerant stream at the refrigerant pressure, and the other evaporated refrigerant streams are compressed through at least two parallel lower pressure compressors to provide two or more part-compressed refrigerant streams, all of which part-compressed refrigerant streams are passed through the highest pressure compressor.

Abstract: Methods for controlling thickness variations across the width of a glass ribbon (104) are provided. The methods employ a set of thermal elements (106) for locally controlling the temperature of the ribbon (104). The operating values for the thermal elements (106) are selected using an iterative procedure in which thickness variations measured during a given iteration are employed in a mathematical procedure which selects the operating values for the next iteration. In practice, the method can bring thickness variations of glass sheets within commercial specifications in just a few iterations, e.g., 2-4 iterations.

Abstract: The present invention is related to a method for the combustion of pulverized fuel as a heating source for melting raw materials for producing glass. The method including the steps of, feeding a regulated controlled flow of a mixture of pulverized fuel and air or gas under pressure for pneumatic transport in at least one distribution means; discharging the mixture of pulverized fuel and air or gas from feeding means toward at least one of said distribution means; regulating in a controlled manner the pulverized fuel-air or gas mixture from the distribution means to each of a plurality of burners in a glass melting region of a glass melting furnace; burning the pulverized fuel by means of the burners in the glass melting region of said glass melting furnace while providing a combustion flame with high thermal efficiency to carry out a controlled heating for melting the glass; and, counteracting erosive and abrasive effects of the pulverized fuel in the glass melting furnace by means of refractory materials.

Abstract: The hydroxyl content in an optical fiber is stabilized by a manufacturing process involving exposure of the optical fiber to a mixture of deuterium and a predetermined amount of hydrogen.

Abstract: A method of making an illuminator out of a light guide using a laser to cut a pattern of U shaped notches or grooves in at least one side of the light guide. The laser may be moved at a substantially constant or variable speed during continuous or intermittent pulsing of the laser to cut a plurality of notches or grooves of a desired depth, width, spacing, relative position, diameter and/or surface finish in the light guide.

Abstract: The present invention provides a method for manufacturing an optical fiber preform, which provides an optical fiber with stable transmission loss characteristics, and improves manufacturing efficiency. The method for manufacturing an optical fiber preform comprises dehydrating the optical fiber soot preform by lowering the optical fiber soot preform within the muffle tube and passing through a heating region, pulling up the dehydrated optical fiber soot preform to the predetermined position, and sintering the optical fiber soot preform by lowering the optical fiber soot preform again within the muffle tube and passing through the heating region where temperature of the heating region is higher than temperature of the heating region in dehydrating; wherein A?B is satisfied where A is pull-up speed (mm/minute) of the optical fiber soot preform during the pulling up and B is gas flow rate (mm/minute) within the muffle tube at room temperature during the pulling up. Furthermore, 1.5×A?B is satisfied.

Abstract: The inventive washing machine is capable of advantageously rinsing laundry with clean water by performing a rinsing operation while cleaning water being used for the rinsing operation in a rinsing step. The washing machine includes a water circulation passage (42, 43, 44, 45, 15, 55, 25, 57, 26, 58, 59) for circulating laundry water to a washing tub (3). Rinsing water retained in the washing tub (3) can be circulated through the water circulation passage. Ozone generated by an ozone generator (19) is mixed with the circulated water, whereby the rinsing water is cleaned. This water cleaning operation is performed only in the rinsing step. Where the ozone is supplied only in the rinsing step, the ozone is effective to decompose dirt and odorant of the laundry. Thus, the rinsing operation is advantageously performed.

Abstract: A multifunctional integrated cleaner unit machine includes a cabinet, washing basin and a full-automatic washing machine located in the cabinet. An enclosing frame is provided on an upper part of the cabinet. A cover corresponding with the full-automatic washing machine is hinged on the enclosing frame. A control panel and a main water inlet are provided at the enclosing frame. A dryer machine is located on one side of the full-automatic washing machine in the cabinet. The washing basin is located in the enclosing frame above the dryer machine. The washing machine, the washing basin and the dryer are combined into an integral machine with the security standard, thereby the multifunctional integrated cleaner unit machine has the advantages of small occupied area, low manufacturing cost, full functions, proper height, time saving in use, convenience, energy saving, convenient installation, little vibration and noise, low transporting cost and uniform integral style.

Abstract: A drum is fixed to a mounting star, on which a shaft for drive of the drum is fixed. The fixing is achieved by means of arrangement of several openings in the mounting star with different entry and exit diameters, whereby a tip corresponding to each opening is arranged on the drum, which is introduced through the smallest hole in the opening. The tip is subsequently deformed such that the outer surface thereof is pressed against at least the walls of the opening, whereupon the fixing is generated.

Abstract: The present invention refers to a suspension assembly for laundry machines and, more specifically, to a suspension assembly for laundry machine comprising a washing liquid-containing tank suspended inside a structural housing. Said suspension assembly of the present invention comprises at least a suspension rod coupled to an upper portion of the inner wall of said housing and an lower portion of the outer wall of said tank; and at least a radial connection element with a first edge couplable to different positions of the outer wall of said tank and a second edge couplable to the suspension rod.

Abstract: An access door for a locking mailbox is provided having a mail slot configured for the receipt of items, such as letters, which can be covered by a rotatable mail slot door. The locking mailbox can also have a lock configured to selectively lock the access door to a housing of the pre-existing or new mailbox and, optionally, a theft deterrent device positioned adjacent the mail slot that projects inwardly into the housing of the mailbox when the door of the mailbox is positioned in a closed position.

Abstract: An apparatus including a motor that has a rotatable output shaft extending outward from the motor and defining a rotational axis. The apparatus also includes a coupler that is coupled to the output shaft for rotation therewith, and a coil spring that is coupled to the coupler without external attachment means such that rotation of the coupler is transferred to the coil spring.

Abstract: A conveying device includes a plurality of conveying rollers supported in parallel at predetermined intervals, and conveys a workpiece to a heat-retaining/heating furnace from a rolling mill by the conveying rollers. The conveying device includes an impact prediction data collecting unit and a control unit. The impact prediction data collecting unit acquires data on the upstream of the heat-retaining/heating furnace. The data is used to predict the magnitude of an impact applied to rollers in the furnace, which are positioned in the heat-retaining/heating furnace, of the conveying rollers by the workpiece. The control unit predicts the magnitude of an impact from the data, which is acquired by the impact prediction data collecting unit, and adjusts the conveying speed of the workpiece in the heat-retaining/heating furnace according to the magnitude of the impact.

Abstract: A shot peening apparatus 1 includes a storage container 2 that stores therein shots B for shot peening. The storage container 2 moves toward a shot-peening treated region U and shot-peens a treated region surface UP. The shot peening apparatus 1 includes an oscillator 3. An oscillating unit 4 is mounted to the oscillator 3, in order to impart kinetic energy to the shots B stored in a container inside 2I. The outer shape of the oscillator 3 is formed in a shape matching the shape of a treated region surface UP of the treated region U.

Abstract: An object of the invention is to provide a manufacturing method and an apparatus for a twisted flat bar which can prevent the pitch from becoming inconsistent and makes it possible to process a long flat bar into a twisted flat bar. The manufacturing method for a twisted flat bar is characterized in that a flat bar (5) is sandwiched between two round bars (7), which are positioned so as to be inclined at the same angle in different directions relative to the longitudinal direction of the flat bar from the two sides, and the above described two round bars are rotated relative to the flat bar around the rotational axis in the longitudinal direction of the flat bar, and at the same time, the flat bar is moved in the longitudinal direction of the flat bar relative to the round bars.

Abstract: A rolling mill, including: a casting device that casts molten metal to form a slab with a predetermined width; a pair of finishing milling rolls that shape the slab by rolling; and a movement device capable of moving the finishing milling rolls along respective axis directions thereof, in which a contour of a peripheral surface of each of the finishing milling rolls has a shape in which a first contour and a second contour are overlapped, the first contour including: edge regions with a shape in accordance with an average value of thickness variation in edge portions so as to make uniform a rolling reduction in a width direction for the slab with an edge thickness equal to the average value; and a central region that is interposed between the edge regions, and the second contour including edge regions which have an inclination angle steeper with respect to the axis direction than a central region so that the distance between facing edge portions of one of the pair of finishing milling rolls and the other of t

Abstract: A wire drawing apparatus (10) is used in a final drawing process to ensure adequate initial performance of adhesion between brass-plated steel wire and rubber without a drop in productivity. At least one of the die (14z) disposed in the most downstream position, the die (14y) disposed in the second most downstream position, and the die (14x) disposed in the third most downstream position is a drawing die having a friction coefficient ? of 0.12 to 0.41 with the brass-plated steel wire. The other dies (14) are drawing dies each having a friction coefficient ? of 0.1 or below. By using these drawing dies, brass-plated steel wire (13) is drawn, and a noncrystalline portion of high lattice defect density is formed on the surface of the crystalline portion of the brass-plating layer of the brass-plated steel wire (13).

Abstract: A process for producing a metal hollow body comprising a first axial portion with a first cross-sectional area and a second axial portion with a second cross-sectional area, and in which the two axial portions are connected to one another by means of a shape transition running in the axial direction, the method includes producing a preform body having at least one transition region which extends in the axial direction and is arranged between the first and second axial portions, wherein, in the transition region, the cross-sectional area of the preform body continuously changes from the cross-sectional area of the first axial portion into the cross-sectional area of the second axial portion, accommodating the preform body in a die, a shaping mandrel into the preform body, and axially moving the shaping mandrel to upset the preform body in the die into the final shape of the hollow body.

Abstract: In an apparatus and a method for producing diffraction- and interference-active structures by micro-pattern stamping a metal object, a micro-stamping arrangement is provided including a micro-stamping station with a micro-pattern stamp for generating a diffraction-active structure on the metal object, an application station for applying a protective layer to the diffraction-active structure and a macro-stamping station for applying a macroscopic image relief over the diffraction active structure while it is protected by the protective layer.

Abstract: A system and method for removal of dents from wind turbine masts uses a dent pushing tool. The dent pushing tool includes a self aligning ram assembly with a central ram cylinder and removable adjustable length arms. At the end of one arm is a curved base. At the end of the other arm is a dent pusher plate. Removal of the dent is caused by extension of the central ram cylinder.

Abstract: A dent removal tool for removing dents from automobile panels is provided. The tool includes a body with a handle on one end and a rest plate for contacting the body panel on the opposite end. A clamp for gripping one or more studs which have been welded to the body panel is located between the handle and the rest plate. The tool gives an automobile repair technician a high degree of mechanical advantage and control in removing dents from body panels.

Abstract: A dent removal tool for removing dents from automobile panels is provided. The tool includes a body with a handle on one end and a rest plate for contacting the body panel on the opposite end. A clamp for gripping one or more studs which have been welded to the body panel is located between the handle and the rest plate. The tool gives an automobile repair technician a high degree of mechanical advantage and control in removing dents from body panels.

Abstract: An impact testing device is provided. The impact testing device comprises a plate and an impact generating module. The plate has a first surface for loading a test object. The impact generating module is fastened to the plate to apply an impact to the plate and actuate the plate along the first direction, the second direction and the third direction independently. Thereby, the impact testing device of this invention is adapted to apply the impact to the test object along any direction under control.

Abstract: Disclosed is a method for detecting a low concentration gas. In the method, a measurand gas containing the target gas in a concentration of 50 ppm or less is supplied to an oscillation element which contains a quartz crystal resonator and a zeolite including a metal complex (such as a zeolite including a cobalt phthalocyanine complex) present on or above the quartz crystal resonator. The target gas is then detected through a change in resonance frequency of the quartz crystal resonator, the change being caused by the adsorption of the target gas by the metal-complex-including zeolite.

Abstract: A fluid identification device of long life for identification of a target fluid. The device uses at least two liquid type detection parts each of which is equipped with both of a temperature detector and a heating element, selects electrical conduction to any one of the heating elements, and identifies the target fluid based on a fluid temperature detection signal of the temperature detector in the fluid detection part not including the heating element whose electrical conduction has been selected and an output of the fluid type detection circuit.

Abstract: A pressure sensor is arranged on a supply/discharge pipe of a reactive gas to be supplied to or discharged from a fuel cell, and measures the pressure of the reactive gas in the pipe. The pressure sensor is provided with an engaging section which has a screw and engages with a pipe wall of the pipe; a pressure detecting section, which faces a reactive gas channel of the pipe and detects the pressure inside the pipe by displacement; a displacement sensor, which is arranged in the pressure detecting sensor and measures displacement of the pressure detecting section; and a buffer section, which connects the engaging section with the pressure detecting section by sandwiching a buffer layer which communicates with the reactive gas channel of the pipe, and eliminates abnormal displacement of the pressure detecting section by deforming to a stress generated by torque of the screw, at the time when the pressure sensor is engaged with the pipe.

Abstract: A propellant ignition testing apparatus having a compressively sealable chamber. A fixed end plate assembly is fixedly mounted on a support structure. A test chamber assembly having a combustion chamber for accommodating propellant is provided, and an initiator ignites propellant accommodated in the combustion chamber. A moveable end plate is disposed adjacent to the test chamber assembly on a side thereof remote from the fixed end plate assembly. A device is mounted on the support structure for generating a compressive force, with the moveable end plate being operatively connected to a moveable component of the device for moving the moveable end plate toward the test chamber assembly for sandwiching the combustion chamber of the test chamber assembly in a compressively sealed manner between the fixed end plate assembly and the moveable end plate.

Abstract: An encapsulated device comprising an integrated gas permeation sensor is provided, comprising a base substrate with an electronic component arranged thereon being enclosed within an encapsulation for protecting the electronic component from moisture and/or oxygen; at least one sensor is arranged within the encapsulation to measure the permeation of gas into the encapsulation; each sensor comprises an electrically conductive sensing element comprising a moisture and/or oxygen sensitive material, wherein the reaction of said material with moisture and/or oxygen results in a change in the electrical resistance/conductivity of the sensor.

Abstract: An object of the present invention is to provide an apparatus and a method by which quantities of water vapor passing through a measured object can be measured with high sensitivity and in a short time period. The apparatus and method measure water vapor permeability of the measured object based on a dew point temperature in a second space measured after introducing water vapor into a first space, wherein the first space and the second space are parted from each other by the measured object, and wherein the first space is maintained at a predetermined temperature and a predetermined humidity under atmospheric pressure, and the second space is maintained in a dry state with a dew point temperature of ?70° C. or less under atmospheric pressure.

Abstract: A sniffing leak detector which comprises a first suction line in a sniffing probe, the line leading to a main device, is provided with a larger second suction line through which gas is sucked in from the sniffing tip by a gas delivery pump. By connecting the second suction line, the distance sensitivity is increased. By disconnecting the second suction line, on the other hand, the sensitivity is increased. Thus, it is possible to first search for leaks by use of a high gas throughput and subsequently exactly determine the leaks under the quantitative aspect by use of a reduced flow.

Abstract: Structured with a rotational fluctuation measuring section 51 measuring a rotational fluctuation amount DTdi, a misfire judging section 55 judging a misfire by comparing the rotational fluctuation amount with a judging threshold value, a low load judging section 56 judging an internal combustion engine operating under a low load condition, and an ignition angle judging section 57 judging an ignition angle exceeding an ignition delay angle, wherein the misfire judging section 55 has a map M1 with judging threshold values th1 with respect to rotational speeds ne of the engine and a map M2 with judging threshold values th2 with rotational fluctuation amounts larger than the map M1, and judges the misfire based on the maps M1 and M2 when the engine is operating under the low load condition with the ignition angle exceeding the ignition delay angle and, in other cases, based only on the map M1.

Abstract: A device for detecting a combustion chamber pressure of an internal combustion engine, in particular a gasoline engine. The device includes a sensor housing, the sensor housing being set up to be at least partially introduced into a combustion chamber of the internal combustion engine. At least one mechanical-electrical transducer element is accommodated inside the sensor housing, which is separated from the sensor housing by at least one sensor holder, in particular a sensor holder which at least partially encloses the mechanical-electrical transducer element. The sensor holder has an at least partially rigid design.

Abstract: An apparatus for determining at least one parameter of a medium flowing in a main flow direction, in particular of an intake air mass of an internal combustion engine, is proposed. The apparatus has a plug-in part that is introducible into the flowing medium with a predetermined alignment with respect to the main flow direction, having at least one inlet opening and at least one outlet opening as well as at least one main channel connecting the two openings. Also provided is at least one measurement channel that branches off from the main channel, having at least one sensor element, received in the measurement channel, for determining the at least one parameter. At least one directing surface, which diverts the flow of the medium from the measurement channel, is provided before a branching point of the measurement channel from the main channel.

Abstract: A diagnostic system comprises a monitoring module and a diagnostic module. The monitoring module receives a first rail pressure measured by a high side rail pressure sensor during engine cranking at a location where fuel is pressurized by a high pressure fuel pump. The diagnostic module selectively diagnoses a fault in at least one of the high pressure fuel pump and the high side rail pressure sensor when the first rail pressure is less than a predetermined pressure and rail pressures received during a predetermined period after the first rail pressure is received are less than the predetermined pressure.

Abstract: A method for evaluating the transversal grip of a type of tires on a snow-covered ground, of providing this type of tires to a vehicle, driving this vehicle at the transversal grip limit on a snow-covered track, and producing instantaneous measures of the vehicle transversal acceleration while it travels on the track. Track (P) includes a plurality of turns (V1, V2) making it possible to establish a transversal acceleration steady state, the transversal acceleration instantaneous measures being subjected to a low-pass filtering, and the transversal grip of a tire is judged as being even better the higher the transversal acceleration values obtained with this tire are.

Abstract: A method is proposed for operating a sensor on or in a vehicle tyre, in particular an acceleration sensor and in particular for detecting a tyre rotation period and/or a tyre contact period, wherein the sensor is operated with a first sampling rate in a first time interval of a rotation of a tyre, and with a second sampling rate in a second time interval of the rotation of the tyre.

Abstract: An assembly for transient and continuous testing of an open portion of a well bore arranged in a lower part of a drill string includes at least two packers fixed outside of the drill string, which are expandable for isolating a reservoir interval. The assembly includes a down-hole pump, sample chamber, sensors, closing valve, sensors and telemetry for measuring and realtime transmission of flow rate, pressure and temperature of fluid flow from the reservoir interval, from the down-hole pump, in the drill string and in an annulus above the packers, a mud driven turbine or electric cable, and a circulation unit. The circulation unit, independent of the circulation rate for mud to the annulus, can feed formation fluid from the reservoir interval into the annulus, so that at any time a well can be kept in over balance and the mud can solve the formation fluid from the reservoir interval.

Abstract: A transducer for use in a fluid detector for determining a presence of a fluid within a container, the transducer comprising a piezoelectric element that outputs an ultrasonic signal in response to an input electrical signal, characterized in that said transducer further comprises, a lens with an upper portion, a lower portion, and a focal point, the upper portion including a curved surface with convex side. The piezoelectric element is coupled to the upper portion of the lens so that, when the lens is disposed adjacent an outer surface of a wall of the container such that the lens is intermediate the piezoelectric element and the wall, the lens focuses the ultrasonic signal toward the focal point of the lens and on the inner surface of the wall.

Abstract: Process for measuring a liquid level in a tank and a system suitable for such process that consists in: positioning, in the tank, two substantially identical reference capacitors and two substantially identical measurement capacitors so that, when the tank is full, the four capacitors are submerged and so that, when the liquid level in the tank falls, a measurement capacitor/reference capacitor pair (Cmeas2, Cref2) emerges before another pair of capacitors (Cmeas1, Cref1); measuring the four capacitors Cmeas1, Cref1, Cmeas2, Cref2 in air when they are in air; and when at least one capacitor is at least partly immersed in the liquid, measuring the value of the four capacitors, and calculating the liquid level in the tank from the measured value of the capacitor partly immersed in the liquid, its value previously measured in air, and the measured values of the other capacitors.

Abstract: A method of monitoring the effectiveness of a liquid distribution system having a body arranged to receive liquid from a supply source and at least one distribution line for receiving liquid from the body, includes sensing the rate at which the liquid flows through the body after supply of the liquid to the body from the supply source.

Abstract: A gauge assembly measuring an amount of a liquid, for use with a float arm assembly including a float arm pivoting in response to a change in the level of liquid, and a flange housing a first magnet and coupled to the float arm where the movement of the float arm causes a displacement of the first magnet. The gauge assembly includes a support adapted to be attached to the flange, which includes a second magnet, spaced in relationship to the first magnet and having a different strength than the first magnet, and an electronic circuit positioned proximate to the first and second magnets to provide a signal representative of the position of the second magnet wherein the second magnet is displaced by the first magnet in response to the level of liquid. The gauge assembly includes a display associated with the second magnet for showing the level of liquid.

Abstract: A method for determining an imbalance of a propeller shaft assembly can include establishing balancing planes relative to certain areas of the propeller shaft assembly and identifying each component of the propeller shaft assembly that could have a potential imbalance condition due to a tolerance variation. The method can also include determining the potential imbalance condition for each identified component, and determining a contribution of each determined potential imbalance condition to a respective pair of the established balancing planes. The method can further include determining a total magnitude of imbalance at the respective pair of established balancing planes based on the determined contributions of each potential imbalance condition, and determining a statistically representative value of the determined magnitude of imbalance.

Abstract: A mode matching servo for an inertial sensor having a resonator and an accelerometer provides a test signal at a frequency higher than a predetermined inertial sensor response frequency and lower than an accelerometer resonance mode frequency so as to induce acceleration signals from the accelerometer substantially at the test signal frequency when the modes are not matched. A feedback signal is provided in response to such induced signals to substantially nullify the signals.

Abstract: An exemplary capacitive sensor includes a casing, a fixed electrode, a spring, a moveable electrode, and a capacitance measuring circuit. The casing includes a base and a cylindrical wall. The fixed electrode is disposed on the cylindrical wall and includes a fixed arm section and at least one fixed prong section, wherein at least one fixed prong section is curved and extends outwards from one side of the fixed arm section. The spring is disposed on the base. The moveable electrode is attached to the spring and includes a movable electrode section and at least one movable prong section, wherein at least one movable prong section is curved and extends outwards from one side of the movable arm section, and the movable prong section and the fixed prong section oppose each other. The capacitance measuring circuit is configured for measuring the capacitance between the fixed electrode and the movable electrode.