A pressure sensor includes a lidless structure defining an internal chamber for a sealed environment and presenting an aperture; a chip including a membrane deformable on the basis of external pressure, the chip being mounted outside the lidless structure in correspondence to the aperture so that the membrane closes the sealed environment; and a circuitry configured to provide a pressure measurement information based on the deformation of the membrane.

Various embodiments are directed to a pressure sensor and method of using the same. A pressure sensor may comprise a substrate having a substrate thickness extending between a first substrate surface and a second substrate surface, wherein the first substrate surface and the second substrate surface define opposing ends of the substrate thickness; a first pressure sensing assembly attached to the first substrate surface and configured to detect a first pressure force associated with a first fluid volume, wherein a portion of the first substrate surface adjacent the first pressure sensing assembly is fluidly isolated from the first volume of fluid; and a second pressure sensing assembly attached to the second substrate surface and configured to detect a second pressure force associated with a second volume of fluid, wherein a portion of the second substrate surface adjacent the second pressure sensing assembly is fluidly isolated from the second fluid volume.

A physical quantity measuring device includes: a metallic cylindrical case; a sensor module configured to detect a physical quantity; a synthetic-resin joint provided near a first open end of the cylindrical case, the joint being attached with the sensor module and provided with an introduction port for introducing a measurement target fluid; and a cover provided near a second open end of the cylindrical case. The cover includes a locking portion for locking the sensor module. The cylindrical case includes an engagement portion provided near the first open end and engaged with the joint and a crimp portion provided near the second open end, the crimp portion configured to be plastically deformed by crimping. The cover is attached to the cylindrical case by crimping the crimp portion.

A gauge including a housing, a measuring port, an opening formed in the housing and a cover for covering the opening. The cover of the gauge is selected from a range of flexible and translucent materials.

A pressure sensor is provided. The pressure sensor includes a substrate, and a first pressure sensing element, a second pressure sensing element, and sensor conditioning circuitry disposed on the first surface of the substrate. The sensor conditioning circuitry is electronically coupled to the first pressure sensing element and the second pressure sensing element. The pressure sensor further includes a buffer layer disposed on the first surface of the substrate such that the first pressure sensing element is disposed on the buffer layer. Multiple pressure sensing elements disposed on a single substrate for improving the performance of the pressure sensor.

A device for detecting a pressure of a fluid medium is described. The device includes at least one housing having at least two pressure feeds; at least one sensor module, the sensor module being accommodated in the housing, the sensor module including at least one support element, the support element including at least one substrate and at least one molding compound, the support element further including at least one passage opening, the passage opening entirely penetrating the support element; at least one pressure sensor element for detecting the pressure, the pressure sensor element including at least one diaphragm, the pressure sensor element covering the passage opening; at least one control and evaluation unit, the control and evaluation unit being at least partially enclosed by the molding compound. A method for manufacturing the device is also described.

A microelectromechanical system (MEMS) device includes at least one substrate, a lid, a MEMS component, a sensor, and a power supply. The lid is coupled to the substrate so that the substrate and the lid cooperatively define an interior cavity. The MEMS component is disposed within the interior cavity. The sensor is disposed within the interior cavity and is arranged to detect a parameter of the interior cavity. The power supply provides current to the sensor. The power supply is configured to control current during a ramp-up transition of the current and a ramp-down transition of the current such that the ramp-up transition and the ramp-down transition have attenuated high-frequency components.

To provide a pressure sensor housing that is less likely to cause temperature distribution inside a pressure sensor when the pressure sensor is disposed inside a heater block, a pressure sensor housing includes a hollow cylindrical member extending along a predetermined axis core. A pressure sensor element that detects the pressure of a fluid is accommodated inside the cylindrical member. The entire circumference of a side surface thereof is surrounded by an air layer in the first posture in which an axis core of a space is aligned with the predetermined axis core with the hollow member disposed in the space. The side surface is in contact with a wall surface defining the space at a plurality of points at the same time in a second posture, which is at least one of postures in which the predetermined axis core is eccentric with the axis core of the space.

A pressure sensor device of the present invention includes a first board including external connection terminals, a second board stacked on an upper surface of the first board and including a first through hole and a second through hole, a pressure sensor element including a diaphragm structure and mounted on an upper surface of the second board such that the first through hole is closed by the diaphragm structure, and a cover that is mounted on the upper surface of the second board to cover the pressure sensor element and in which a first channel for guiding a first fluid to an upper surface of the diaphragm structure is formed. A second channel is formed between the first board and the second board to lead from the second through hole to the first through hole and guide a second fluid to a lower surface of the diaphragm structure.

A pressure measurement device (1) comprising a housing (20) extending around an electronic card (30) provided with a pressure sensor (40); the housing (20) co-operating with a first face (31) of the electronic card (30) to define a first sealed volume (3); the housing (20) also co-operating with a second face (32) of the electronic card (30) that is opposite from the first face (31) to define a second sealed volume (4); the housing (20) including at least one first channel (24) putting the medium (5) outside the housing (20) into fluid flow communication with the first sealed volume (3); the electronic card (30) including at least one second channel (33) putting the first volume (3) into fluid flow communication with the second volume (4); and the connection between the housing (20) and the electronic card (30) being arranged to allow relative movement between the housing (20) and the electronic card.