Abstract: A device comprises a main body equipped with at least one handle, three sampling chambers that are mounted outside the main body and a control unit. The three sampling chambers are independent of each other and protrude radially from a predefined portion of the main body. The control unit is device can effect multiple environment to be controlled programmed so that the samplings from an in one, two or three different positions in the space, remaining stationary.

Abstract: A mounting apparatus for a rotor, including: a first portion for connection to a driving means, for rotation about a first rotational axis; a second portion comprising a mounting assembly adapted for engaging with a portion of the rotor so as to hold the rotor relative thereto, configured for rotation about a second rotational axis; and a connection member connecting the first portion to the second portion so that rotational movement of the first portion effects rotational movement of the second portion about the second rotational axis, wherein the connection member is configured substantially to prevent radial movement of the second portion relative to the first portion, while enabling inclination of the first rotational axis relative to the second rotational axis.

Abstract: A rotation rate sensor for detecting a rotational movement of the rotation rate sensor about a rotational axis extending within a drive plane of the rotation rate sensor include: a first rotational element, a second rotational element and a drive structure moveable in parallel to the drive plane, the first rotational element being drivable about a first center of rotation to achieve a first rotational vibration in parallel to the drive plane, the second rotational element being drivable about a second center of rotation to achieve a second rotational vibration in parallel to the drive plane, the drive structure being (i) coupled to the first and second rotational elements, and (ii) configured to generate a drive mode in phase opposition of the first and second rotational vibrations.

Abstract: This pressure and temperature determining device includes a membrane, which has a face of contact with the fluid and a securing face opposite to the contact face, a pressure determining element secured to the membrane, and a temperature determining element secured to the membrane. The pressure determining element includes at least one piezoresistive track. The temperature determining element includes at least one thermoresistive track.

Abstract: A pellicle is disposed over a lithography mask. An acoustic wave generator is placed over the pellicle. The acoustic wave generator is configured to generate acoustic waves to cause the pellicle to vibrate at a target resonance frequency. A resonance detection tool is configured to detect an actual resonance frequency of the pellicle in response to the acoustic waves. One or more electronic processors are configured to estimate an age condition of the pellicle as a function of a shift of the actual resonance frequency from the target resonance frequency.

Abstract: Systems and methods are disclosed for deriving linear acceleration using an accelerometer. The orientation of a device may be determined using only accelerometer data. The determined orientation may then be used to determine a gravity vector, such that linear acceleration may be derived by subtracting the gravity vector from accelerometer data.

Abstract: A pressure measuring instrument having a sensor carrier, a casing, a plug connector, evaluation electronics, and a pressure sensor. The sensor carrier supports the pressure sensor adapted to output a pressure-proportional, electrically detectable pressure signal. The sensor carrier has a base body, a pressure terminal formed together with the base body to be connected to the source of the pressure to be detected, and a seat having several different circle geometries, each having an annular surface adapted for mounting a pressure sensor. The pressure terminal has a connecting channel opening inside the seat, and the annular surfaces of the individual circle geometries are axially staggered with respect to the port of the connecting channel, wherein the annular surface having the smallest diameter is closest to the connecting channel port.

Abstract: A multi-part air data probe sensor assembly facilitating rapid replacement is provided. One example air data probe sensor assembly comprises a mount plate interface including at least one mount plate electrical connector configured to mate with electrical lines of an aircraft and at least one mount plate pneumatic connector configured to mate with pneumatic tubes of an aircraft; and a detachable sensor body having at least one sensor electrical connector that is coupled with the at least one mount plate electrical connector and at least one sensor pneumatic connector that is coupled with the at least one mount plate pneumatic connector; and a mechanical seal provided between the mount plate interface and the detachable sensor body, wherein the mechanical seal is composed of a moisture blocking material.

Abstract: The present invention relates to a shear test device and test method of rock mass discontinuities under constant normal stiffness condition. The device includes: a base used for placing a test piece; a loading framework fixedly connected with the base; a shear loading system used for applying a shear force to the test piece; a normal loading system used for applying a normal pressure to the test piece; a normal displacement monitoring system used for measuring the magnitude of normal displacement of the test piece in real time; and a computer control system used for receiving the data of the normal displacement of the test piece in real time, and constantly adjusting the normal pressure applied by the normal loading system to the test piece according to the principle that the normal stiffness of the test piece is unchanged.

Abstract: A method for detecting a phase angle difference between a first periodic measurement signal and a second periodic measurement signal, wherein, for the purpose of determining a torque applied to a shaft, the two periodic measurement signals describe a rotation of the shaft at an axial distance from one another including superimposing a periodic auxiliary signal which simulates a previously known rotational speed for the shaft on the first periodic measurement signal in order to form a superimposition signal, and determining the phase angle difference on the basis of the superimposition signal and the second measurement signal.

Abstract: A filter device having a sonotrode connected to a filtration assembly. The filtration assembly has a filter body having a fluid passage. The filter body has a filter across the fluid passage. The filter assembly has a resonant frequency and the sonotrode is adapted to vibrate the filter assembly at or near the resonant frequency.

Abstract: A SAW sensor arrangement includes a transducer including a support for supporting a SAW device. The support includes a sensor location part located between two oppositely extending attachment parts. The SAW device is mountable to the sensor location part. The sensor arrangement 10 includes at least two spaced friction raisers. The sensor arrangement includes a clamp arrangement which applies a clamping force to clamp the sensor arrangement to an item. The sensor arrangement is arranged so that in use each of the friction raisers is located between a different one of the attachment parts and the item.

Abstract: A tire traveling test device has a belt that horizontally spans between two drums and a load support device that supports a flat surface of the belt from a lower surface side of the belt. The load support device is provided with a liquid supply means that supplies support liquid between the load support device and the belt and supports the belt from below. The liquid supply means is provided with a plurality of supply holes from which support liquid can be discharged between the load support device and the belt. Additionally, the liquid supply means can adjust the flow rate of the support liquid discharged from the supply holes on the basis of the fluid pressure, which changes according to the tire contact state.

Abstract: The invention is an apparatus and method for measuring the flow rate of a liquid through a conduit. The apparatus is based on a flow rate meter which is adapted to accurately measure the volumetric flow rate of a liquid using a simple, cost and energy effective, and accurate method using only one temperature sensor. The method is based on applying a pulse of thermal energy to the flowing liquid and measuring the temperature increase as a function of time and energy input. By comparing these measurements to a calibration table made by performing similar measurements for known flow rates, the rate of flow can be determined. One application, which will be described to illustrate the features of the method and apparatus of the invention, is measurement of the flow rate of urine excreted by a catheterized patient.

Abstract: A stress-detecting element includes a support body, a support film, a first piezoelectric element, first and second elastic parts. The support body has an opening part with first and second rectilinear sections extending parallel to each other. The support film blocks off the opening part. The first piezoelectric element straddles the first rectilinear section from an interior area to an exterior area of the opening part as seen in plan view. The first elastic part straddles the first rectilinear section from the interior area to the exterior area of the opening part. The second elastic part straddles the second rectilinear section from the interior area to the exterior area of the opening part. The first and second elastic parts respectively have first and second elastic end sections disposed in the interior area of the opening part and spaced apart from each other.

Abstract: A fluid flow meter can include a sensor capable of transmitting a transmit signal to propagate, at least partially, through a fluid in a pipe and receiving a respective receive signal. The fluid flow meter can include a memory storing computer code instructions and a plurality of pipe type signatures associated with a plurality of pipe types. Each pipe type signature of a respective pipe type of the plurality of pipe types can include one or more characteristics of receive signals associated with that pipe type. The fluid flow meter can also include a processor communicatively coupled to the sensor and to the memory. When executing the computer code instructions, the processor can determine one or more signal features of the receive signal, and identify a pipe type of the pipe based on the one or more signal features of the receive signal and the plurality of pipe type signatures.

Abstract: A pressure sensor includes a pre-formed diaphragm located at the distal end of a pressure sensor. The diaphragm has a convex surface on a first side of the diaphragm which is exposed to a fluid to be measured. A strain gauge is attached to a second surface on the opposite side of the diaphragm. The diaphragm may be deformed to have the convex curvature on the first surface, and heat treated.

Abstract: A prosthetic component suitable for long-term implantation is provided. The prosthetic component measures a parameter of the muscular-skeletal system is disclosed. The prosthetic component comprises a first structure having at least one support surface, a second structure having at least one feature configured to couple to bone, and at least one sensor. The prosthetic component is a housing for the at least one sensor and electronic circuitry. The electronic circuitry is hermetically sealed from an external environment. The at least one sensor couples to the support surface of the first structure. The support surface of the first structure is compliant. The first and second structure are coupled together housing the at least one sensor and electronic circuitry.

Abstract: The invention relates to a torque sensor assembly with an upper rotor mounted on an upper shaft axially disposed about a rotational axis, an outer lower rotor axially disposed about the rotational axis, an inner lower rotor axially disposed about the rotational axis between the upper rotor and the outer lower rotor, and at least one probe positioned between the outer lower rotor and the inner lower rotor, the at least one probe measures flux generated by the upper rotor and directed by the outer lower rotor and the inner lower rotor.

Abstract: A force-measuring device is provided for integrating measurement of at least three radial forces acting centrally, in particular for radial presses or collets. The force-measuring device comprises a stretching-element assembly, which is concentric to a measurement axis and which comprises at least one stretching element. The force-measuring device also has at least three pressure elements spaced from each other in a circumferential direction, wherein two spreading elements are connected to the at least one stretching element at ends of the stretching element, the pressure elements are supported, by means of pressure inclines, on corresponding sliding inclines of the spreading elements, a transmitting element is fastened to a first of the two spreading elements, and a measuring sensor acts between the second of the two spreading elements and the transmitting element.