Abstract: The present disclosure provides an ice-making system having a control system. The control system selectively places the ice-making machine in a freeze cycle and a harvest cycle, based upon inputs from sensors that determine a flow rate of fluid out of an evaporator, and a level of fluid in a sump. The control system can further prevent a slushing condition in the ice-making machine by monitoring the temperature of the fluid in the sump. The control system can also monitor the sensors to ensure that they are providing correct signals.

Abstract: A method and apparatus for limiting the adverse effects of temperature on the electrical energy storage system (ESS) of an electric vehicle after the vehicle has been turned off are provided. In general, whether or not coolant is circulated through a coolant loop coupled to the ESS depends on the difference between the ambient temperature and a preset temperature, the preset temperature typically corresponding to the temperature of the ESS.

Abstract: Disclosed is a method for controlling a hot water circulation system associated with a heat pump. The present invention gives a freezing burst prevention operation function to a water-refrigerant heat-exchanger which performs heat exchange between a refrigerant and water, making it possible to remove a phenomenon that the water-refrigerant heat-exchanger installed out of the space where a user lives is frozen to be damaged.

Abstract: A refrigeration cycle system is disclosed. A compression unit 11 for compressing the refrigerant by the drive force of a vehicle engine 4 is arranged in a housing 10 of a compressor 1. The flow rate of the refrigerant discharged from the compression unit 11 is detected by a flow rate sensor 15 including a throttle portion 15b and a pressure difference detection mechanism 15a. The throttle portion 15b reduces the flow rate of the refrigerant discharged from the compression unit 11. The pressure difference detection mechanism 15a detects the pressure difference between the upstream side and the downstream side of the throttle portion 15b in the refrigerant flow thereby to detect the flow rate of the refrigerant discharged from the compression unit 11. An oil separator 12 for separating the lubricating oil from the refrigerant discharged from the compression unit 11 is interposed between the compression unit 11 and the flow rate sensor 15.

Abstract: In a refrigeration cycle device for a vehicle, a weak-inflammability refrigerant that does not ignite at a high-temperature heat source mounted in an engine compartment of the vehicle in a refrigerant single state is circulated in a refrigerant cycle. The refrigerant cycle includes a compressor for compressing and discharging the refrigerant. The compressor includes an oil separator that is located at a refrigerant discharge side of the compressor to separate a lubrication oil from the refrigerant and to return the separated lubrication oil to an interior of the compressor, a shutting portion configured to shut a reverse flow of the refrigerant at a refrigerant suction side of the compressor, and a driving portion located to drive the shutting portion. Furthermore, the driving portion causes the shutting portion to shut the reverse flow of the refrigerant when the refrigerant cycle is damaged.

Abstract: A refrigerant compressor assembly for a refrigeration circuit controls the temperature within a temperature controlled space. The refrigerant compressor assembly includes a first unloading valve, a first valve actuator, and a first valve control system that adjusts the first valve actuator via a pulse-width-modulated signal, a second unloading valve, a second valve actuator, and a second valve control system that adjusts the second valve actuator via a pulse-width-modulated signal. The refrigerant compressor assembly also includes a third unloading valve. The first valve actuator is coupled to the first and third unloading valves and controlled by the first valve control system. The unloading valves selectively allow or resist fluid flow from higher to lower pressure areas within the refrigerant compressor assembly.

Abstract: A wind turbine generator capable of preventing a salt damage and reducing noise as well as easily starting in a cold region is provided. The wind turbine generator includes a nacelle (3) for accommodating a generator set, an internal heat exchanging unit (13, 15, 16) accommodated in the nacelle (3) to exchange heat between the generator set and a refrigerant, an external heat exchanging unit (17) disposed outside the nacelle (3) to exchange heat between an outside air and the refrigerant, a compressor (18) disposed in the nacelle (3) to compress the refrigerant and circulate the refrigerant between the internal heat exchanging unit (13, 15, 16) and the external heat exchanging unit (17), and an expansion unit (19) to expand the refrigerant compressed by the compressor (18).

Abstract: An air conditioner having a heat-source side unit including a compressor and a heat-source side heat exchanger, plural use-side units each having a use-side heat exchanger and an inter-unit pipe for connecting the heat-source side unit to the plural use-side units, including an auxiliary heat source unit having a water-refrigerant heat exchanger for heat-exchanging refrigerant with water, a refrigerant side of the water-refrigerant heat exchanger being selectively connectable to one of the high-pressure gas pipe and the low-pressure gas pile through one of a first change-over valve and a second change-over valve, and also connected to a liquid pipe through an expansion valve, and a controller for controlling the auxiliary heat source unit so that the water-refrigerant heat exchanger of the auxiliary heat source unit functions as an evaporator with a water side thereof serving as a heat source when some of the user-side units are under heating operation.

Abstract: A device for automatic processing of contaminated refrigerant from an air conditioning system, said device comprising a compressor for compressing refrigerant. Said device further comprising an oil separator, said oil separator receiving compressed refrigerant from said compressor; said oil separator further including means for draining oil separated from said compressed refrigerant. Said device further comprising a storage tank, said storage tank receiving and temporarily containing said compressed refrigerant from said oil separator. Said storage tank including a vapor port and a liquid port. Said device further comprising a vacuum pump for creating low pressure within said device during evacuation of refrigerant. Said device further comprising a low pressure service hose for connecting said device to said air conditioning system. Said device further comprising a high pressure service hose for connecting said device to said air conditioning system.

Abstract: A heating/cooling system has improved operating efficiencies due to low superheat provisions and a specially configured compressor oil return. For certain systems, such as direct exchange geothermal heating/cooling applications having sub-surface heat exchanges extending at least 100 feet below the surface and using R-410A refrigerant, a specific compressor oil may be used to further improve efficiency.

Abstract: The invention proposes a pressure-reducing module for an air conditioning circuit (10) through which a supercritical refrigerant flows. The module is connected to the circuit via one inlet and two outlets. The module comprises a pressure-reducing device (120), and a distribution valve (16) connected to the pressure-reducing device and to the two outlets. A dual evaporator circuit using such a pressure-reducing module is also proposed. The two evaporators (131, 132) are mounted in parallel. The module receives the fluid coming from a gas cooler via its inlet and delivers the fluid to at least one of the two evaporators (131, 132) via its outlets.

Abstract: Provided in one embodiment is a decorative beaded necklace for ornamental decoration, comprising a plurality of decorative compartments, each of the compartments being fluidly connected to each other; a tube, the tube being fluidly connected to at least one of the plurality of compartments; and a fluid inlet, the fluid inlet allowing fluid to be added to the plurality of compartments.

Abstract: A piece of jewelry to be worn by a wearer, having a spray mechanism mounted on the piece of jewelry, and a reservoir for containing a fluid mounted on the piece of jewelry, to dispense a fluid, such as a fragrance or scent, to the body of the wearer. The manipulation of the reservoir by the wearer actuates the spray mechanism and dispenses fluid from the reservoir.

Abstract: A method of manufacturing monolithic glass reflectors for concentrating sunlight in a solar energy system is disclosed. The method of manufacturing allows large monolithic glass reflectors to be made from float glass in order to realize significant cost savings on the total system cost for a solar energy system. The method of manufacture includes steps of heating a sheet of float glass positioned over a concave mold until the sheet of glass sags and stretches to conform to the shape of the mold. The edges of the dish-shaped glass are rolled for structural stiffening around the periphery. The dish-shaped glass is then silvered to create a dish-shaped mirror that reflects solar radiation to a focus. The surface of the mold that contacts the float glass preferably has a grooved surface profile comprising a plurality of cusps and concave valleys. This grooved profile minimizes the contact area and marring of the specular glass surface, reduces parasitic heat transfer into the mold and increases mold lifetime.

Abstract: Methods for edging optical articles comprising two main faces, at least one of which being coated with an outermost layer comprising fixing the optical article to a chuck with a holding pad that adheres to both the optical article and the chuck, wherein the surface of the holding pad contacting the optical comprises an adhesive material; and edging the optical article with an edging device; wherein prior to fixing the optical article to the chuck, at least one temporary layer of an organic material is formed onto said outermost layer of the optical article, the organic material of the temporary layer comprising at least one organic compound having a fluorinated functional moiety and at least one linking functional moiety capable of establishing at least one intermolecular bond or interaction with the adhesive material of the holding pad. Optical articles obtained via these methods.

Abstract: A fluid-cooled mold for the production of a quartz crucible provided in its interior with a space for flowing of cooling fluid comprises an outer mold section made from a heat-conductive metal or alloy material and an inner mold section closely arranged to an inner surface of the outer mold section and made from a heat-resistant material.

Abstract: A mold of a glassware forming machine has a longitudinal plane of symmetry, and two half-molds movable between a closed position and an open extraction position by a powered mold opening/closing device, which has a fixed fastening and supporting structure, two mold-holders, and, for each mold-holder, a respective supporting and actuating arm hinged to the relative mold-holder to rotate about a movable hinge axis, and to the fixed structure to rotate about a fixed hinge axis; the fixed hinge axes being located on opposite sides of the plane of symmetry, and at such a distance from the plane of symmetry that, when the half-molds are in the closed position, the line intersecting the fixed axis and movable axis of each arm extends substantially parallel to the plane of symmetry.

Abstract: A method for producing a drawn glass member includes a step of thermally softening and drawing a first end of a first glass base material, and a step of thermally bonding together a second end of the first glass base material, having the first end thermally softened and drawn, with one end of a second glass base material to form a thermally bonded portion. The step of thermally bonding together the second end of the first glass base material with the one end of the second glass base material is executed, while pressing, along a direction of the drawing, a side plane of at least one of the first and second glass base materials including the thermally bonding portion so as to keep a cross-sectional shape of at least one of the first and second glass base materials.

Abstract: A non-woven product having a core layer (32) containing dense particulate additive between adjacent layers (33) which are substantially free of additive is made by fiberizing a mineral melt on a spinner (1) comprising at least one fiberizing rotor (2, 3, 4) mounted for rotation about a substantially horizontal axis, and the resultant fibres are collected in air streams (5) as a cloud of fibres which travels towards a travelling collector (11) on which a web (14) is formed and carried out of the spinning chamber (9). Dense particles such as magnesium hydroxide are ejected from a suitable ejector (15) on to a baffle (16) by which they are deflected across the width of the chamber and lengthwise over the length of a intermediate collecting zone (B) to form the core layer (32) while the initial and final collecting zone (A and C) are substantially free of the dense particulate additive.

Abstract: A method for fabricating multilayer fabrics having a prescribed integration pattern and an apparatus of implementing same. In one embodiment, the method include the steps of providing a plurality of winding yarn carriers arranged in a multilayer structure along a first direction and configured such that each winding yarn carrier is operably movable with respect to one another along a second direction that is perpendicular to the first direction, forming a plurality of crossover points of the winding yarns by moving at least one winding yarn carrier along the second direction according to the integration pattern, transporting the binder yarns through the plurality of winding yarn layers at predetermined locations along the first direction, and locking the binder yarns in place, pushing the binder yarns toward the fell of the multilayer fabrics, and taking up the formed multilayer fabrics.

Abstract: A circular knit tubing adapted for making a wearable article has a first knitted single layer tubular portion and a second knitted single layer tubular portion separated by a junction portion. The second tubular portion is folded over the first tubular portion at a fold line in the junction portion. The first and second tubular portions are then joined together, whereby the junction portion forms a band or welt. After the band is formed, the second tubular portion is folded back to cover the band. The wearable article may be a shirt having single layer top and bottom portions with a central double welt portion for physical contact around the wearer's chest or torso. The junction portion forming the band or welt preferably is integrally knitted with the first and second tubular portions. The band or welt defines a central opening to receive an electronic or electrical device or other component.

Abstract: A system for detecting the operative parameters of a household appliance, such as a washing machine or dryer, provided with a relatively mobile component with respect to a load-bearing frame (tank or basket), including a pressure switch including in turn a rigid casing accommodating a deformable membrane sensitive to hydraulic pressure, a ferromagnetic material core engaged to the membrane and a winding fixed to the casing and operatively coupled with the core to form a variable inductance electrical inductor; in which the pressure switch is coupled to the relatively mobile member to follow its movements; and in which said variable inductance electrical inductor is operatively associated to a ferromagnetic material bracket integrally carried by the load-bearing body and arranged outside the pressure switch.

Abstract: A system and method is disclosed for indicating satisfactory times for titrating a chemical solution, e.g., cleaning product, used by a utility device to clean and/or sanitize various types of articles. The utility device is described in an exemplary embodiment as being a warewashing machine that applies the chemical solution to articles provided to the machine on racks. The chemical solution is formed in a solution tank from a combination of at least one chemical product and at least one rinse agent. Whereas the chemical product is described as a detergent, the rinse agent is described as water. Over a time period including multiple wash cycles, the chemical product and the rinse agent are added to the solution tank, thereby changing conductivity of the chemical solution.

Abstract: A device (1) maintains a locked and closed state of a space separating device (2) in a releasable manner, in particular a protective device of a machine (4). The device has a first part (6) with an opening and a second part (8). The parts are movable relative to one another. The opening is at least partially closable. The device (1) includes a latch (18) for locking the closed state of the space-separating device (2), a holding element (30) for keeping the latch (18) in the latched position, and a release element (36) for releasing the catch of the latch (18). The catch of the latch (18) may be lifted by a rotational movement of the release element (36) relative to the latch (18).

Abstract: A pin tumbler lock releasing system includes keyway insertible and universally configured lift, key and shim devices that are cooperatively used to raise the pin stacks within a pin tumbler lock to just above the pin tumbler lock's shear line so that the lock's plug element may be rotated within its outer casing in order to disengage its locking mechanism.

Abstract: The present invention provides a lubricant for hot metal working which is capable of inhibiting generation of white scale, attributed to the lubricant, on the surface of a workpiece material and is capable of improving lubricity to obtain favorable appearance of the finished product. The lubricant for hot metal working comprises a silicate compound used for adding to a lubricant composition mainly containing sodium borate.

Abstract: A piercing and rolling plug has a film composed of oxides such as Fe3O4 and FeO and Fe (metal) as being formed on the surface of the base metal by electric arc spraying using an iron wire whose main component is Fe and, owing to this film, a plug excellent in heat-shielding and seizure-preventing effects can be realized and the lifetime of the plug can be prolonged. Further, in regenerating this plug, a film can be re-formed via the steps of shot blasting of the as-used plug in piercing and rolling and electric arc spraying in that order; thus, it is possible to regenerate the plug at low cost and in a short period of time.

Abstract: A robotic bending apparatus for bending archwires and other types of elongate, bendable medical devices into a desired configuration includes a first gripping tool and a moveable gripping tool. The first gripping tool can be either fixed with respect to a base or table for the robot or positioned at the end of robot am. The moveable gripping tool is mounted to the end of a moveable robot arm having a proximal portion also mounted to the base. The robot preferably comprises a six axis bending robot, in which the distal end of the moveable arm can move relative to the fixed gripping tool about three translational axes and three rotational axes. The gripping tools preferably incorporate force sensors which are used to determine overbends needed to get the desired final shape of the archwire. The robot may also include a resistive heating system in which current flows through the wire while the wire is held in a bent condition to heat the wire and thereby retain the bent shape of the wire.

Abstract: An apparatus and method for forming at least one end turn and at least one stator slot segment of a conductor for a stator of a dynamoelectric machine comprising at least two forming die sets. The forming die sets are disposed having a space substantially equal to a width of the conductor between adjacent die sets and include a female forming die and a male forming die linearly slideable to the female forming die. The die sets are disposed such that both at least one end turn and at least one stator slot segment are formable between the male forming dies and the female forming dies when the male forming dies are sequentially actuated to the female forming dies.

Abstract: The present invention discloses an adjustable hydraulic press with both upper and lower double action, specially suitable for the cylindrical gear formed by stamping or expanding, closed forging and the metal cold forming or metal hot forming of punching, finishing, flanging and drawing of sheet materials. The press comprises four columns, an upper beam, a main slide block, a hold down slide block, a fixing worktable, a floating worktable and a lower beam. A hydraulic chamber a of master cylinder fixed in the upper beam communicates to a hydraulic chamber of an auxiliary cylinder, a plunger of the master cylinder is connected to the main slide block and drives it. A hydraulic chamber of a gas-liquid power accumulator fixed in the main slide block communicates to a hydraulic chamber of a hold down cylinder, a plunger of the hold down cylinder is connected to the hold down slide block and drives it. A plunger of an ejecting cylinder fixed in the lower beam is connected to the floating worktable and drives it.

Abstract: Methods and apparatus for measuring the yield value of flowable material in a flow of flowable material comprise iteratively wetting a measuring body by the flowable material at a relatively constant temperature, subsequently permitting the flowable material to discharge for a discharge time so that the measuring body achieves approximately constant weight, using a functional unit in communication with the measuring body to determine a residual quantity of the flowable material which adheres to the measuring body after the discharge time, and determining the yield value of the flowable material based upon the quantity of the flowable material adhering on the measuring body.

Abstract: In a fuel property detection device, a fuel housing is made of a thin-plate metal member that can be elastically-deformed by a fuel pressure in a fuel chamber. Thus, if the fuel pressure in the fuel chamber is increased, the fuel housing expands and the pressure in the fuel chamber is decreased. Further, if the fuel pressure in the fuel chamber is decreased, the fuel housing contracts and the pressure in the fuel chamber is increased. That is, the fuel housing functions as a kind of damper. Therefore, in the fuel property detection device, generation of abnormal noise due to fuel pulsation or the like, and a positional change of the electrodes due to the fuel pulsation or the like can be prevented.

Abstract: A multi-functional, composite fuel display for displaying both fuel level information and fuel economy information is provided. The fuel level is displayed using a plurality of bar segments, each corresponding to a single unit of fuel. Once a single unit of fuel is consumed, the corresponding bar segment changes size to indicate an average fuel economy for that unit of fuel. The bar segment corresponding to the current unit of fuel being consumed changes size in real time to indicate instantaneous fuel economy. An indicator is provided over the bar segments corresponding to single unit of consumed fuel to indicate average fuel economy for the current tank of fuel.

Abstract: A system for simulating an engine environment during engine operation is disclosed. The system includes a surface. The system also includes a liquid delivery device configured to deliver a liquid to the surface. The system further includes a temperature controller operably coupled to the surface, and the system is configured to cause condensation of a fluid on the surface.

Abstract: This invention is a method for determining the quality of lubrication oil added to a quantity of used oil in an operating engine or mechanism such as occurs during an oil change or when additional oil is added to maintain the vehicle manufacturer's specified total volume of oil. The method is based on identifying the electrical resistivity characteristics of the oil addition, representative of both the base oil formulation and its additive package, and, through comparison with previously-generated resistivity data on multiple oils identifying the oil addition. The added oil may then be compared with manufacturer specifications for the specific application to determine whether it meets recommended manufacturer requirements.

Abstract: A wheel and sensor assembly includes a U-shaped bracket assembly mounting to and moving with a wheel assembly. One or more sensor device(s) such as camber angle and slip angle sensors mount to the bracket assembly for operatively measuring one or more wheel assembly parameter(s) during vehicle use. The bracket assembly mounts to the wheel assembly and turns therewith. The bracket assembly positions the sensor device(s) in operative optimal proximity to the road surface during vehicle use under actual operating conditions.

Abstract: The present invention relates to a turbofan propulsion simulator means, in particular for a turbofan of an aircraft or spacecraft, wherein the turbofan propulsion simulator means comprises a modular configuration, wherein the turbofan propulsion simulator means comprises a module, wherein the module is a turbine means to drive the turbofan of the turbofan propulsion simulator means, wherein the turbine means can be coupled with at least two fan means, characterized in that, the at least two fan means to be connected with the turbofan propulsion simulator means comprises almost or essentially the same mass and/or almost or essentially the same barycentre.

Abstract: The present invention provides a master tire for inspecting the accuracy of a tire tester easily and securely. A master tire 100 according to the present invention is equipped with an upper-lower rim member 120, a cylindrical member 110 equivalent to the tread portion of a tire, and leaf spring 130 secured to the cylindrical member 110 and the rim member 120 with bolts 140 and bolts 142. A spindle 21 is secured to the rim member 120 so that the center axis thereof is not displaced. The rim member 120 is vertical to or slightly inclined with respect to the spindle 21. The cylindrical member 110 is made of a metallic material, such as iron or aluminum, or a hard plastic having stable characteristics.

Abstract: Methods and apparatus for decreasing a density of a downhole fluid are described. An example apparatus to analyze a downhole fluid includes a chamber to decrease a density of at least a portion of a sample of a downhole fluid. Additionally, the example apparatus includes a sensor to measure a pressure of at least the portion of the sample in the chamber. Further, the example apparatus includes a fluid measurement unit to measure a characteristic of at least the portion of the sample based on a relationship between the pressure of at least the portion of the sample in the chamber and a predetermined pressure. Further yet, the example apparatus includes a control unit to determine a parameter of the downhole fluid based on the characteristic.

Abstract: An apparatus for the testing of downhole an injection assembly prior to installation of the injection assembly in the completion string is disclosed. The apparatus is comprised an injection tubing, an injection sub, an injection valve, an injection sub test block, a pressure foot, a pressure foot test block, and means for introducing pressure at a desired level. The injection sub test block, pressure foot, pressure foot test block are interchangeably engageable with the injection sub for testing in a sequence to allow the pre-testing of the connections of components of the injection assembly at the surface of the well.

Abstract: A method of determining an estimate of the de-trended turbulence intensity TI in a proposed site for a wind farm including the steps of measuring the wind speed at a predetermined sampling frequency fs during a number of time periods pz; calculating in each time interval pz wind speed statistical parameters Vmean, ?v and a wind speed trend parameter k in real time for each new wind speed measure xj as a function of the values of said parameters Vmean, ?v, k for the prior wind speed measure xj-1 and the new wind speed measure xj; storing the parameters Vmean, ?v, k obtained at the end of each time interval pz; determining the de-trended turbulence intensity TI in said proposed site using said stored parameters Vmean, ?v, k. The invention also refers to an apparatus for acquiring the data needed for the calculation of the de-trended turbulence intensity TI.

Abstract: An optical sensor device that can be used as a rain sensor has a light emitter, a light receiver, and an optical plate with rotationally symmetrically shaped Fresnel prism structures, which is coupled to a pane, in particular a windshield of a vehicle, by means of a coupling layer. On its opposite side, the optical plate takes up light from the light emitter. The light is coupled into the pane and, after a total reflection on an internal surface of the pane, is directed onto the light receiver.

Abstract: An assembly for use in a rotary positive displacement fluid meter having an inner body wall surface that includes a first impeller having an outer surface located within the rotary positive displacement fluid meter and adapted to be directly driven by a fluid flow. The assembly also includes a flexible edge member situated at a distal end of the impeller such that there is a clearance between the flexible edge member and the inner body wall of the rotary positive displacement fluid meter. The impeller defines a longitudinal axis and the flexible edge member has a length along the longitudinal axis and a width in a direction that is orthogonal to the longitudinal axis.

Abstract: An inductive liquid-level sensor employs a central shaft supporting multiple independent electrical loops that may be interrogated to detect the proximity of the conductive element in the float rising and falling with changes in liquid height outside of the shaft.

Abstract: A portable work capacities testing apparatus, and a method using that portable apparatus, are disclosed. The apparatus comprises a host computer 110, a dynamic strength and lifting device 120 releaseably interconnected with the host computer, a hand grip strength device 130 releaseably interconnected with the host computer, a finger pinch strength device 140 releaseably interconnected with the host computer, a forearm/wrist strength device 150 releaseably interconnected with the host computer, a handling/proprioception device 190 releaseably interconnected with the host computer, a finger flexion device 180 releaseably interconnected with the host computer, a whole body coordination device 170 releaseably interconnected with the host computer, and a strength push/pull/lift device 160 releaseably interconnected with the host computer.

Abstract: Apparatus for measuring forces which are produced by an unbalance of a rotary member, the apparatus including a measuring shaft (2) which is supported in a rotary mounting (26) rotatably about its axis (23) and to which the rotary member (1) is fixed for the measurement operation, and a support device (3) having force measuring sensors (4, 5) for supporting the measuring shaft (2) on a stationary frame (6), wherein the support device (3) has an intermediate frame (7) on which the measuring shaft is supported in a mounting plane having a force measuring sensor (4), the intermediate frame (7) is supported on the stationary frame (6) by way of a further force measuring sensor (5) and by way of a first pair (11, 12) of support levers and pivots (15 to 18), the rotary mounting (26) is fixedly connected to a stiff holding device (29) at an axial spacing with respect to the mounting plane (8) in which the force measuring sensors (5, 6) are disposed, the holding device (29) is supported on the intermediate frame (8)

Abstract: A sensor includes at least one stationary pad with comb teeth, a hub, at least one actuator spoke coupled to a location on the hub, and at least one sensing spoke extending from the hub. The sensing spokes have comb teeth generally interdigitated with the comb teeth of the stationary pad. The location of the coupling between the actuator spoke and the hub offsets a line of action of a force on the actuator spoke from a center of rotation of the hub.

Abstract: Apparatus and methods are provided for multiplier circuits having reduced phase shift. A multiplier circuit comprises an input node for an input signal and an output node for an output signal. A first multiplier is coupled to the input node and has a first multiplier output, wherein the first multiplier multiplies the input signal by a first signal to produce a second signal at the first multiplier output. A second multiplier is coupled to the output node and is matched to the first multiplier. The second multiplier multiplies the output signal by a third signal to produce a fourth signal at a second multiplier output. An amplifier is coupled to the first multiplier output and the second multiplier output and produces the output signal at an amplifier output coupled to the output node based upon the second signal and the fourth signal.

Abstract: Monolithic solid-state inertial sensor. The sensor detects rotation rate about three orthogonal axes and includes a micromachined monolithic piezoelectric crystalline structure including an equal number of vibratory drive and detection tines on each side of an axis of symmetry of the sensor, the tines being synchronized to have alternate actuation movements inward and outward.

Abstract: The invention relates to an apparatus and a method for determining the softness of a hygienic paper or textile with at least one ply, wherein an element (106) is arranged relative to a positionally fixed sample (P), with at least one ply, of the hygienic paper or textile such that it can move and is designed such that it can be adjusted with respect to the sample (P) with a penetration force (F) acting on the sample (P) being specified, wherein in the region of the oscillations being produced between sample (P) and the element (106), an oscillation sensor (116) is arranged which registers the noises produced during the relative movement of the element (106) acting on the sample (P).