Abstract: A method of producing glass fiber comprising: driving a bottomed hollow cylindrical rotor to rotate at high speed around a vertical rotary shaft, said rotor comprising a bottom, a peripheral wall and an annular flange, said peripheral wall being extended upwardly from an outer peripheral edge of the bottom and provided with a large number of fine holes, said annular flange extending inwardly from an upper edge of the peripheral wall; falling molten glass to the bottom of the rotor; and ejecting molten glass through said fine holes by centrifugal force generated by the high speed rotation of the rotor, to form the molten glass into filaments, and to produce glass fiber; characterized in that molten glass is made to fall at a position on the bottom, said position being apart from an inner edge of said annular flange by at least 10 mm or more, and apart from an inner surface of said peripheral wall by not more than 75 mm, the bottom having a large thickness at the position.

Abstract: A needle engaging with a loop at least lastly formed on a fabric formed just before inversion of a carriage is pulled by a pull-down cam formed in a composite cam system of the carriage while feeding a yarn to an opposite needle. When a feeding direction of a yarn fed from a yarn feeder is inverted accompanied with the inversion of the carriage, the tension force applied to the yarn is intensified to prevent tightening of the stitch of the knitted fabric.

Abstract: A knitting machine with latch needles and without sinkers comprising, in regions of the needle holder comprised between two contiguous slots which accommodate a corresponding needle, a knitting retention element with a portion forming a stop shoulder for the knitting; the knitting retention element can move on command from a first position, of no interference with the knitting formed, to a second position, of it insertion with the portion between two contiguous needles in a region which faces the knitting forming plane, such as retain the knitting portion lying between two contiguous needles, contrasting the entrainment of the knitting along the needles during extraction motion of the needles from the needle holder to release, onto their shank, the previously formed loop of knitting and/or to engage the yarn delivered at a feed or drop of the machine.

Abstract: The present invention relates to a method for producing a footlet on a circular knitting machine including at least a first (S1) and a second knitting system (S2), wherein a first quadrant is associated with the first knitting system (S1) and a second quadrant is associated with the second knitting system (S2), including the following steps: a) knitting an access opening (12) of the footlet, wherein at least a first (B1a, B1b, B1c), a second (B2) and a third region (B3) are formed in the transverse direction of the access opening (12), wherein a first (A1), a second (A2) and a third section (A3) are formed in the longitudinal direction of the access opening (12), including the following sub-steps: a1) knitting the second region (B2) and the third region (B3) of the first section (A1), within which the knitting system (S4; S2; S2) knitting the second region (B2) engages with the knitting system (S3; S3; S1) knitting the third region (B3), wherein the knitting system (S4; S2; S2; S3; S3; S2) knitting the first

Abstract: A washing machine using steam and a method for controlling the same is disclosed. The washing machine with a steam generator (100) selectively supplying steam inot a drum (30) according to the present invention includes a course select part (420) for a user to select a wash course, a steam select part (430) for a user to select whether steam washing is operated and a controller (440) for controlling the steam generator (100) based on a wash course selected from the course select part (420) (an inputted wash vourse) and a signal selected from the steam select part (430). The present invention has an advantageous effect thtat convenience is improved for a user to use the washing machine using steam as well as washing performance is improved, because disadvantages due to malfunctions of a steam generator are prevented.

Abstract: A locking part structure for a vehicle, which includes a door, locking means for locking the door to a vehicle body when the door is closed, and an auxiliary plate that connects the door to the locking means. The locking means comprises a door side locking part that is set in a lock opening formed in the door, and a vehicle body side locking part that is disposed on a vehicle body side and engages with the door side locking part when the door is closed. The auxiliary plate comprises a door fixing part to be fixed to the door, a lock fixing part to be fixed to the door side locking part, and a bending part that is disposed between the door fixing part and the lock fixing part, and formed in a bending form so as to be stretchable.

Abstract: A door lock having a large handle is provided, in which the door lock includes an inner lock portion, an outer lock portion and a lock bolt. The outer lock portion includes a transmission case and a cover, which define a receiving space therein for receiving an inner actuating plate engaged with an inner transmission wheel, and an outer actuating plate engaged with an outer transmission wheel. When the inner actuating plate moves upward, the outer actuating plate is caused to move upward, driving the outer transmission wheel to rotate counterclockwise. When the inner transmission wheel rotates counterclockwise, the outer transmission wheel is caused to rotate counterclockwise. When the key button is pushed downward, the outer actuating plate is caused to move upward, driving the outer transmission wheel to rotate counterclockwise. When the outer transmission wheel rotates counterclockwise, the lock bolt is caused to retract to unlatch the door.

Abstract: A mortise lock includes a case having first and second sidewalls. A follower plate is pivotably mounted in the case and actuatable by a key-operable cylinder to move a latch bolt from an extended position to a retracted position. A locking plate is moveable by the cylinder through transmission by a lever link between an unlocking position allowing movement of the latch bolt and a locking position not allowing movement of the latch bolt. The locking plate is active when a connecting member is slideably extended through a slot in the first sidewall and through an engaging hole of the lever link into another engaging hole in the follower. The locking plat is inactive when the connecting member is slideably extended through another slot in the second sidewall and engaged in the engaging hole of the follower and not engaged in the engaging hole of the lever link.

Abstract: An electronic device using a cover mechanism to cover a hole is described. The cover mechanism includes a locking member slidably mounted on a base member and a cover member. The cover member can be locked to the base member by locking of the cover member to the locking member in a locked position, can rotate around the locking member in a released position, and can expose the hole and physically attach to the locking member in an opened position.

Abstract: A self-disengaging lock for a motor vehicle lock mechanism, including a fixed stator and a rotor which is rotatably mounted in the stator and which comprises pins which are radially mobile under the action of a key intended to be axially introduced into the rotor, where the rotor is coupled to a control device of the lock, in an angular alignment in the manner of a cardan joint, when the key is correct, and the rotor is decoupled from the control device in the disengaged position, where the rotor is coupled to the control device directly, the end of the control device having a coupling arrangement held by the stator and the end of the rotor having another complementary coupling arrangement, where the coupling of the rotor and the control device enables the angular displacement of the control device in order to ensure the angular alignment.

Abstract: This invention is related to methods for the production of high phosphorus fertilizer products from waste products. In particular, the method describes the production of liquid and dry fertilizer products produced from the incineration of wastewater treatment sludges utilizing biological phosphorus removal (Bio-P). The fertilizers produced can be used interchangeably for commercial purposes either directly as a fertilizer product, or mixed with other conventional products to produce custom blended fertilizers for particular purposes.

Abstract: A rolling mill stand for the production of rolled strip or sheet metal includes working rolls which are supported on respective supporting rolls or on intermediate rolls which are supported on supporting rolls. At least one of the rolls having a barrel contour which runs over the entire effective barrel length and can be described by a non-linear function. The barrel contour of this at least one roll having chamfers in at least one of the marginal regions of its longitudinal extent and the chamfers forming a corrected barrel contour in these marginal regions, so that inhomogeneities in the load distribution along the contact line of two adjacent rolls, and in particular in the region of the edges of the strip, are minimized.

Abstract: A workpiece deforming press, including a safety device, comprises a press housing for housing therein a plurality of dies and punches arranged in a horizontal plane, wherein a press housing delimiting wall comprises a top horizontal guide bearing a sliding slide, wherein said sliding slide bears, through a linear actuator, a first overturning plane, supported by a fulcrum and adapted to be actuated by a linear actuator, and wherein said sliding slide further bears a second overturning plane supported by a fulcrum and adapted to be actuated by a cylinder-piston unit.

Abstract: The invention provides a method for producing a pearlitic rail by subjecting to at least rough hot rolling and finish hot rolling a billet comprising, in mass %, C: 0.65-1.20%, Si: 0.05-2.00%, Mn: 0.05-2.00%, and a remainder of iron an unavoidable impurities, wherein the finish hot rolling is conducted by rolling at a rail head surface temperature in a range of not higher than 900° C. to not lower than Ar3 transformation point or Arcm transformation point to produce a head cumulative reduction of area of not less than 20% and a reaction force ratio of not less than 1.25, and the finish hot rolled rail head surface is subjected to accelerated cooling or spontaneous cooling to at least 550° C. at a cooling rate of 2 to 30° C./sec, thereby refining the rail head structure to attain a hardness within a predetermined range and improving rail wear resistance and ductility.

Abstract: The present invention provides a novel die assembly for extruding and drawing ferrous and non-ferrous metal, and also to a method of making the same. The die assembly according to the present invention comprises a die core (3); at least one pre-stressed ring (2) placed around the die core (3); and a die casing (1) surrounding the ring (2), wherein the ring (2) is plastically deformed and hardened by press fitting it to the casing (1) so that the ring has compression stress exceeding its material yield limit by 10-40%, and the mating geometric feature (5) of the core and the ring is tapered towards the exit, to thereby obtain a rigid container system in which a die core can be press fitted with a great force without die cracking. As a result, a long lasting die assembly with surprisingly high performance, small dimension and low production cost is obtained by assembling the die core by a great force without die cracking.

Abstract: In a method for calibration of a measurement unit for determination of electrical properties of electronic components using at least one planar calibration standard, an electrical measurement quantity is measured at two different temperatures. The electrical property of the calibration standard is known at at least one temperature or is to be determined by calculation. A temperature coefficient is determined from both measured quantities, which describes the relative change of the electrical property of the calibration standard accompanying the temperature change and with which the electrical property of the calibration standard is determined at a measurement temperature. From the change in electrical property, an error coefficient of the measurement unit is determined. A method is also provided for determination of an electrical property of an electronic component, using the calibration method.

Abstract: Usually, a sniffing leak detector must be calibrated for each tracing gas. The calibration comprises ranging of the spectral positions into the mass spectrum and the amplitude height. At least one mass line is determined with a calibrating gas. The mass lines lying between two mass lines and/or between a zero point and a line are determined by interpolation and/or extrapolation. In this manner, a sniffing leak detector can be used for such tracing gases which have not previously been used for calibration purposes.

Abstract: A device for calibration of a humidity sensor with a measuring chamber includes a first gas connector for connection to a pressurizing unit and a second gas connection for connection to a further gas chamber. The first and/or the second gas connector may have a flow resistance which may be adjusted to two different fixed values.

Abstract: A balance tool for evaluating weight distribution of a wheelchair positioned on an elongated platform with a support extending from a lower surface and a linear scale, a measuring bar slideably movable relative to the linear scale for making measurements of horizontal distances between a center of mass and the center of the front wheels and the rear wheels, for determining the relative weight carried by the wheels and for adjusting the position of the wheels to have the rear wheels carry a substantial majority of the weight. A method of adjusting the balance of a wheelchair is disclosed.

Abstract: Embodiments of the present invention are directed toward pressure controllers and calibrators for setting or measuring pressures in test devices. In one embodiment, the pressure controller contains a dual reference pressure controller. The dual reference pressure controller is operable to maintain two different pressures relative to a reference pressure. The first pressure being a relatively fixed amount greater than the reference pressure and the second pressure being a relatively fixed amount less than the reference pressure.

Abstract: A gas sensor with a high temperature electrical connector is provided. The electrical connector incorporates a ceramic connector body having a pair of opposing ceramic body portions which each house a plurality of conductive terminals. The body portions are in pivoting engagement and fixed in a connector body retainer which also enables their pivoting, hinged movement. The pivoting engagement permits the ceramic body portions and terminals to hinge open to receive a gas sensor with a low insertion force and a hinge closed to provide the desired contact force.

Abstract: A method for the analysis of isotope ratios, wherein at least one sample gas and/or at least one reference gas are supplied to at least one analytical device via at least one open split, the addition of a carrier gas also being possible. According to the invention, the concentration of the sample gas and/or reference gas passing into the analytical device is controlled by the supply of the respective carrier gas or by direct supply of the sample gas into the analytical device. In the device according to the invention for supplying gases to at least one analytical device, two or more capillaries are provided for sample gases, the capillaries in each case having their own drive for the movement between mixing zone and waiting zone.

Abstract: An apparatus for determining the proportion of gases in a gas mixture, has a measurement chamber having a chamber defining structure, a gas inlet and a gas outlet, an ultrasound source and an ultrasound detector mounted such that the ultrasound source is capable of transmitting ultrasound through the chamber to the ultrasound detector; a temperature sensor mounted such that the sensor is capable of sensing the temperature in the chamber. The chamber defining structure is adapted to amplify thermal exchange with a gas content in the chamber so as to suppress a temperature change in the chamber.

Abstract: A ceramic heater is incorporated in a gas sensor capable of detecting the concentration of a specific gas contained in a target gas. The ceramic heater is composed of a heater base member made of ceramic, a heat generating member embedded in the heater base member, and electrode pads electrically connected to contact metal members. The contact metal members are electrically connected to external leads in the gas sensor. In the ceramic heater the electrode pads are formed on a contact area of the outer peripheral surface of the heater base member. The contact area includes a rear end part of the heater base member. On assembling the ceramic heater into the gas sensor, the contact metal members slid on the electrode pads formed in the contact area without directly contacting onto the outer peripheral surface of the heater base member.

Abstract: The invention relates to a circuit assembly for operating a sensor array, in particular, a gas sensor array for detecting gases, which comprises at least one signal line. According to said invention, a signal line is divided into two parallel line branches with a sensor and a diode, preferably a Schottky diode, arranged in each of said two parallel line branches, whereby the two diodes have opposite electrical polarity. The use of different polarity diodes permits actuation of both sensors through only one signal line. It can be determined if the current flows through one or the other of both sensors by merely polarizing the electrical potential applied to the signal line appropriately.

Abstract: A pressure-measuring device is used for placing in a chamber of an internal combustion engine. The pressure-measuring device has a housing, a force-transmitting element in operative connection with a pressure sensor, and a centering element. The pressure sensor is placed, together with contact plates, on a centering section of the centering element, thereby making it possible to position the pressure sensor and the contact plates within the housing of the pressure-measuring device. The assembly of the pressure-measuring device is thereby facilitated, and a preassembly is possibly allowed.

Abstract: A fluid actuator includes a piezoelectric body (31), a fluid channel (2) having the piezoelectric body (31) on a part of the inner wall thereof and enabling a fluid to move inside, and a surface acoustic wave generation portion (101) for driving the fluid in the fluid channel by surface acoustic waves generated from a interdigital electrode formed on the surface of the piezoelectric body (31) facing the fluid channel (2). The surface acoustic wave generation portion (101) is arranged at the position offset from the center of the fluid channel (2). The fluid actuator can perform drive with a low voltage and drives the fluid in a narrow fluid channel in a single direction.

Abstract: A switch valve for use in an extracorporeal blood flow circuit comprises a valve housing having a chamber, four openings communicating with the chamber, and a valve member located in the valve chamber. A first opening is to be connected to a patient via an arterial cannula, a second opening is to be connected to a patient via an venous cannula, a third opening is to be connected to a first inlet/outlet of a blood treatment device, and a fourth opening is to be connected to a second inlet/outlet of a blood treatment device. The valve member is movable within the valve housing to fluidly connect the first opening to either the third or the fourth opening and to fluidly connect the second opening to either the third or the fourth opening. The width of the valve member is smaller than a peripheral dimension of the openings.

Abstract: The invention relates to a signaling magnetic plug for a liquid circuit, the plug including a first magnetic electrode and a second magnetic electrode for coming into contact with the liquid flowing in the liquid circuit when the magnetic plug is mounted so as to detect the presence of metal particles that might be contained in the liquid. According to the invention, the plug also includes a preferably non-magnetic intermediate electrode disposed between the first and second magnetic electrodes while also being designed to be in contact with the liquid flowing in the liquid circuit when the magnetic plug is mounted, whereby said plug enables the presence of such metal particles to be detected early.

Abstract: A chromatography detector 11 includes a base substrate having a main surface 12a and a column flow path 15 formed on the main surface 12a, and a substrate block 13 and 14, which has a detection space 18 communicating with an outlet of the column flow path 15 and is stacked on the main surface 12a of the base substrate 12 so as to close a top surface of the column flow path 15.

Abstract: A GMR based sensor device (100) for sensing first particles (504, 505) e.g. magnetic beads for immuno assay of a sample comprising the first particles (504, 505) and second particles (503) e.g. red blood cells, the sensor device (100) comprising a detection unit (11, 12) adapted to detect a signal which depends on a quantity of the first particles (504, 505) and which depends on a quantity of the second particles (503)? based on a measurement performed with the sample comprising the first particles (504, 505) and the second particles (503), an estimation unit (30) for estimating information indicative of the quantity of the second particles (503) e.g. haematocrit based on an impedance measurement, and a determining unit (20) adapted for determining the quantity of the first particles (504, 505) based on the detected signal under consideration of the estimated information. The advantage of this arrangement is that whole blood samples may be used.

Abstract: A large round baler equipped with moisture sensing apparatus and a bale scale to improve information useful in baling and using bales. Moisture sensing begins after the bale reaches a predetermined diameter. A history of bale weights is used to estimate how much tension to apply to a belt tensioner to achieve both a target bale weight and a target bale size.

Abstract: The current invention relates to a bracket for use in conjunction with test coupons to allow for the consistent and long term monitoring of corrosive elements in a facility. The invention is able to have multiple coupons attached to a single bracket allowing for the testing various corrosive elements. Additionally the coupons can be placed at varying angles and locations to allow for a more complete analysis of the environments.

Abstract: A method is present for estimating engine load factor. Temperature data is obtained from a temperature sensor in a location with respect to an exhaust system for an engine. A rate of temperature change is estimated using the temperature data. A steady state temperature at a selected time is calculated for the location using the temperature data and the rate of temperature change. The engine load factor at the selected time is estimated from the steady state temperature.

Abstract: An intake throttle valve (ITV) position determination module generates a desired ITV position based on at least one of a desired airflow in a regeneration mode and an exhaust braking request in an exhaust braking mode. An ITV position limitation module generates a limited ITV position based on the desired ITV position. A transition module detects a transition from the exhaust braking mode to the regeneration mode, wherein an ITV is controlled to the limited ITV position after the transition is detected.

Abstract: An alcohol concentration sensor detecting alcohol concentration of fuel is provided in a fuel tank or a fuel passage. An alcohol concentration detected at a previous driving of an engine is stored in a backup RAM. When a current alcohol concentration is different from the previous alcohol concentration, a procedure of an abnormality diagnosis is prohibited or invalidated until all of the fuel remaining in the fuel passage is consumed.

Abstract: Method for detecting a cap off situation on the fuel tank of a combustion engine vehicle having a fill pipe head located under a fuel fill door, according to which a cap off test is run when the engine is started again after having been switched off and when a door switch indicates that the fuel fill door has been opened.

Abstract: A method of identifying an individual short circuit fuel injector, within an injector bank of an engine comprising a plurality of fuel injectors. Each fuel injector has a piezoelectric actuator and an associated injector select switch forming part of an injector drive circuit. The method comprises: (i) charging all of the piezoelectric actuators of the plurality of fuel injectors within the injector bank during a charge phase; (ii) at the end of the charge phase waiting for a delay period; and (iii) subsequently closing an injector select switch of a fuel injector to select said fuel injector. The method further comprises: (iv) determining a stack voltage present on terminals of the piezoelectric actuator of the selected fuel injector and storing the stack voltage in a data store. The stack voltage is indicative of an amount of charge present on the selected injector at the end of the delay period.

Abstract: A valve system includes a valve and a controller that controls the valve. The valve includes a valve body, and a motor configured to deliver a torque to the valve body to cause the valve body to move between an open position and a closed position. The controller is configured to drive the motor by applying a current to the motor. The controller is configured to measure the torque delivered by the motor to the valve body, compare the calculated torque with a threshold value, and diagnose a need by the valve system for preventive maintenance when the calculated torque is substantially equal to the threshold value. The threshold value represents substantially the maximum amount of torque available from the stepper motor.

Abstract: A method for analysing tire vibration characteristics and an apparatus for carrying out the method, wherein the apparatus includes a stiff frame including a wheel support for supporting a wheel with a tire to be analysed. A base part is flexibly connected with the frame by elastic means. The elastic means is embodied such that the frame is flexibly supported in one predefined functional direction. An actuator is provided for exciting vibrations into the wheel. The method and apparatus allow separate analysis of the natural vibrations in all four functional directions.

Abstract: A method for assessing the aerodynamic ground effects on an aircraft. The method includes determining the variation of at least one aerodynamic coefficient of the aircraft as a function of the height for a range of heights extending from an aerodynamically infinite height to a zero height. In the method, (i) the range of heights is subdivided into at least two consecutive sets of heights; (ii) for one of the sets of heights, the variation of said aerodynamic coefficient is determined by wind tunnel tests using a model of the aircraft; and (iii) for the other of the sets of heights, the variation of said aerodynamic coefficient is determined by digital simulation reproducing by computation the physical reality of the air flow around said aircraft.

Abstract: A reservoir sampling apparatus (20) is described having at least one probe (26) adapted to provide a fluid flow path between a formation and the inner of the apparatus with the flow path being sealed from direct flow of fluids from the borehole annulus with a heating projector (251) adapted to project heat into the formation surrounding the probe and a controller (253) to maintain the temperature in the formation below a threshold value.

Abstract: An anemometer assembly for sensing and transmitting wind speed and wind direction data. The wind sensor measures relative wind direction and wind speed without the use of moving parts and consumes very little power making it suitable for unattended operation. The main wind sensing member is an elongated vertical member that can be used as radio antenna. The data can be transmitted from a remote location and thus relay data to a central collection repository or network location.

Abstract: A method for measuring an air mass flow flowing in a main flow direction, and a hot-film air mass meter by which the method is able to be realized. The method and the hot-film air mass meter are especially suitable for use in the induction tract of an internal combustion engine. The hot-film air mass meter includes a sensor chip having a chip surface across which an air mass flow is able to flow. The chip surface in turn has a measuring surface, the measuring surface including a central hot-film air mass meter circuit having at least one central heating element and at least two temperature sensors. The method is implemented so that the at least one central heating element is periodically heated using a frequency ?. With the aid of at least two temperature sensors, at least two measuring signals are detected. The measuring signals and/or at least one differential signal of the at least two measuring signals are modulated using the frequency ?.

Abstract: The present invention is a non-intrusive method to determine the fluid level in a vessel. In a preferred embodiment, the vessel is a delayed coker drum in a refinery. Waves are generated in the vessel from an outside source. For wall vibration generated in the frequency range of 1-20,000 Hz, accelerometers on the exterior wall of the vessel measures the attenuation of the vibration modes of the vessel. The fluid level can related to the attenuation of the vibration mode. For wall vibration generated in the ultrasonic range, the wave traveling in the vessel wall are guided waves. The guided wave will leak energy into the fluid inside the vessel and will attenuate depending on the fluid level. Ultrasonic receivers on the outside of the vessel measure the attenuation. The fluid level can be related attenuation of the ultrasonic waves.

Abstract: A sensor module has a housing that may be mounted about a through opening of an assembly surface. The housing extends at least partly through the through opening when the housing is disposed on the assembly surface. The sensor module further has a sealing body, between the outer surface of the housing and the through opening of the assembly surface and an attachment device, by way of which the housing is fixed to the assembly surface. The attachment device lies on the through opening in order to bring about a mechanical fixation of the housing to the assembly surface.

Abstract: According to one exemplary embodiment, a virtual turbine speed sensor for a multi-stage turbocharger system of an internal combustion engine is disclosed. The multi-stage turbocharger system includes at least two sequential turbochargers each having a compressor and a turbine. The virtual turbine speed sensor includes a compressor efficiency module, an inter-stage air temperature module, and a turbine speed module. The compressor efficiency module is configured to estimate an efficiency of a compressor of a first of the at least two turbochargers. The inter-stage air temperature module is configured to estimate an inter-stage temperature of air between the at least two compressors. The inter-stage temperature estimate is based at least partially on the efficiency of the compressor of the first turbocharger. The turbine speed module is configured to estimate a speed of a turbine of a second of the at least two turbochargers.

Abstract: The present invention relates to an inertial measurement unit with enhanced resistance to acceleration, and it is characterized in that it comprises at least five accelerometers (Acc1 to Acc5), the sensing axes of which are arranged at various positions on the generatrix of a conical surface, and in that they comprise a device for detecting saturation of the accelerometers and a device for detecting abnormal biases.

Abstract: A vibrating gyroscope includes two input buffers each arranged to input voltage signals appearing at respective detection electrodes of one of two piezoelectric vibrators. An adding circuit adds up output voltages of the respective input buffers. An amplitude control circuit automatically controls a loop gain such that an output voltage of the adding circuit has a substantially constant amplitude. A phase-shift circuit controls the phase of a drive voltage supplied to the piezoelectric vibrators such that the piezoelectric vibrators oscillate by positive feedback. Two differential amplifier circuits each amplify a voltage difference corresponding to an angular velocity about an axis. Two synchronous detection circuits each perform detection using a synchronizing signal generated from an oscillation signal, and detect a voltage signal corresponding to the angular velocity.

Abstract: A micromechanical acceleration sensor having a substrate, a suspension, a seismic mass, and stationary capacitive electrodes, in which the seismic mass is suspended over the substrate with the help of the suspension, the seismic mass has a mass center of gravity, the suspension has at least two anchors on the substrate, the two anchors are situated on opposite sides of the mass center of gravity, the distance between the two anchors being small compared to a horizontal extension of the seismic mass, the two anchors determine a central axis, the seismic mass have recesses which are situated on opposite sides of the central axis and are laterally open outward on the sides facing away from the central axis, and the stationary electrodes at least engage in the recesses of the seismic mass.