Example aspects of an over-pressure protection system and a method for operating an over-pressure protection system are disclosed. The over-pressure protection system can comprise a main body housing defining a main body chamber; a fluid received in the main body chamber, the fluid defining a fluid pressure; a pressure sensor configured to measure the fluid pressure of the fluid, the pressure sensor configurable in an activated mode and a deactivated mode; and a control system configured to place the pressure sensor in the deactivated mode when the fluid pressure is equal to or above a pre-determined threshold pressure.

A reconfigurable pressure transducer assembly having an input tube filter assembly is provided. The resonant frequency and dampening characteristics associate with the pressure transducer assembly may be configured by the input tube filter assembly. The input tube filter assembly includes one or more inserts disposed in an input tube channel, the one or more inserts including one or more bores of selectable dimensions and extending therethrough from a first end to a second end. The one or more inserts define an effective input tube bore, and the input tube filter assembly is tunable by selection of the selectable dimensions of the one or more inserts.

Method and apparatus to reduce static pressure measuring error are disclosed. An example apparatus to measure static pressure includes a static pressure tap including a channel to define an external opening of a vehicle, where the channel extends through a pressure chamber to a pressure sensor disposed within, and a porous material disposed proximate the opening to reduce error in static pressure measurements.

Example aspects of an over-pressure protection system and a method for using an over-pressure protection system are disclosed. The over-pressure protection system can comprise a main body comprising a main body housing, the main body housing defining a main body chamber; an incompressible fluid received in the main body chamber, the fluid defining a fluid pressure; a pressure sensor for measuring the fluid pressure of the incompressible fluid, the pressure sensor configurable an activated mode and a deactivated mode; a first barrier movable between a first position and a second position; wherein the over-pressure protection system is configurable an under-pressure configuration, wherein the pressure of the incompressible fluid is below a threshold pressure, and an over-pressure configuration, wherein the pressure of the incompressible fluid is equal to or above the threshold pressure; and a control system configuring the pressure sensor in the deactivated mode in the over-pressure configuration

A pressure sensor for an internal combustion engine, which includes: a body containing a pressure-measuring membrane and a device for attaching to the cylinder head of the engine; and an end piece which extends substantially in an axial extension of the body, and includes a long part, and a substantially hemispherical convexity positioned on the end part of the long part.

A snubber includes a head portion, a shank portion, and a threaded portion. The shank portion is attached to the head portion, and the shank portion defines a shank diameter. The threaded portion is attached to the shank portion, and the threaded portion includes an external helical thread wrapped around a central shaft. The external helical thread defines a threaded diameter, and the central shaft defines a central shaft diameter. The shank diameter and the thread diameter are sized such that the shank portion and the threaded portion define at least one fluid flow path when the snubber is installed in a pressure sensor.

An aero damping measurement system is provided. The system includes a shroud defining a tunnel, a hub disposed within the tunnel, and a plurality of blades coupled to the hub. The blades may rotate about the hub. A gas pressure probe may have a tip extending to the tunnel to deliver a pressurized burst into the tunnel. An aeromechanical identification system may include a pressurized gas source, a valve in fluid communication with the pressurized gas source, and the gas pressure probe may be in fluid communication with the valve. The valve may control a flow of a pressurized gas from the pressurized gas source into the gas pressure probe. A pressure sensor may be coupled to the gas pressure probe and configured to measure a pressure within the gas pressure probe.

The present disclosure relates to a medical pressure measuring device (100) for measuring a pressure of a pressurized breathing gas supplied to a subject by a breathing apparatus (200). The device (100) comprises a pressure sensor (110) arranged at a point of measurement (195) and configured to measure the pressure of a sample gas at a sampling point (190). The sampling point (190) and the point of measurement (195) are connected by a pressure sampling tube (180) in which a pressure wave of the sample gas can propagate from the sampling point (190) to the point of measurement (195). The pressure sampling tube (180) has a sampling tube volume and an acoustic impedance.

The medical pressure measuring device (100) further comprises a damping arrangement (120) arranged to be brought into fluid communication with the pressure sampling tube (180). The damping arrangement (120) comprises a flow restrictor (130) and a receptor chamber arrangement (140). The receptor chamber arrangement (140) comprises a receptor chamber (141). The receptor chamber arrangement (140) is an arrangement for receiving the pressure wave of the sample gas. The flow restrictor (130) correlates to the acoustic impedance of the pressure sampling tube (180) so as to prevent acoustic resonance in the pressure sampling tube (180). The receptor chamber (141) correlates at least to the volume of the pressure sampling tube (180), so as to prevent acoustic resonance in the pressure sampling tube (180).

A micromechanical component including a mounting including a spanned diaphragm, which is warpable via a pressure difference between a first diaphragm side and a second diaphragm side against a diaphragm counter force according to a diaphragm spring constant of the diaphragm, and at least one actuator electrode, which is connected to the diaphragm and adjustable against a spring force according to at least one spring constant of at least one spring with the aid of a warping of the diaphragm, an overall system spring constant being definable as the sum of a diaphragm spring constant of the diaphragm and the spring constant of the single spring, or an overall spring constant of all springs, via which the at least one actuator electrode is connected to the mounting, and the spring constant of the single spring or of all springs being at least 5% of the overall system spring constant.

According to one aspect of the present invention, there is provided an oil pressure sensor attachment structure including: the oil path body; the sensor case; and a fixing member which fixes the sensor case to the oil path body. The sensor case has a columnar portion which is disposed along a central axis extending in an up and down direction, and a flange portion which protrudes from the columnar portion to an outside in a radial direction. The fixing member has a fixing portion which comes into contact with the oil path body and is fixed thereto, and a pressing portion which comes into contact with the upper surface of the flange portion and presses the flanges portion against the oil path body. The fixing portion and the pressing portion are disposed with an interval therebetween.