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JP6668218B2 |
To provide a pressure measurement device of a gas and a pressure measurement method of a gas capable of measuring a pressure even in the case of a high temperatures gas.A pressure measurement device 50 of a gas includes: an oxygen sensor...
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JP6666220B2 |
To reduce measurement errors of pressure.An electric resistance value of a heat generation section when a temperature of a specific portion to be a portion of an outer surface of a heater unit and located on the tip side further than a r...
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JP2020020635A |
To provide a pressure detector attached to the tip of the functional part of an engine, the pressure detector exhibiting high accuracy and high sensitivity in measurement without causing such adverse effects as breakage of a pressure det...
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JP2020016513A |
To provide a pressure sensor with which it is possible to improve durability and add a desired preload to a piezoelectric element, and to secure expected sensor accuracy.The pressure sensor includes: a cylindrical housing that defines an...
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JP2020016512A |
To provide a pressure sensor with which it is possible to suppress the influence of heat and secure initial sensor accuracy.In a pressure sensor equipped with a pressure measuring member 70 comprising cylindrical housings 10 and 20, a di...
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JP2020012697A |
To provide a pressure sensor with which it is possible to reduce the temperature rise of a pressure detection element mounted on the surface of a diaphragm part.A diaphragm body 140 includes a diaphragm part 144 in which a pressure detec...
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JP2020012696A |
To provide a pressure sensor capable of reducing wet spread on a glass layer, and a method of manufacturing a pressure sensor capable of reducing wet spread on a glass layer.A diaphragm part 144 has a groove 146 that opens on surface 144...
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JP6632509B2 |
In an embodiment, a pressure sensor includes a tip secured to a port. The tip includes an opening for receiving pressure to be measured by the pressure sensor. The port includes a threaded section for mounting the pressure sensor in a fi...
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JP6629127B2 |
A device for determining a pressure and a method for manufacturing the same, having a housing including a cavity, a sensor device including a first sealing structure which engages with the housing so that an opening of the cavity is clos...
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JP2020003472A |
To provide a pressure sensor with a heater preventing an output error of a sensor element while reducing a heat load on the sensor element.A pressure sensor 10 with a heater comprises a housing 100 having a seal part 112 with diameter re...
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JP2019219283A |
To provide a pressure sensor capable of appropriately performing wire bonding to an electrode pad and appropriately detecting strain generated at a diaphragm part by a detection part of a strain gauge in the pressure sensor including a p...
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JP2019219280A |
To provide a pressure sensor with which it is possible to downsize a pressure detection element appropriately (while suppressing a reduction in the sensitivity of pressure detection).A pressure sensor 10 comprises a rectangular pressure ...
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JP2019219286A |
To provide a pressure sensor capable of reducing noise generated due to displacement member vibration radially applied to a diaphragm body (vibration regardless of pressure change as measuring object).The pressure sensor is configured su...
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JP2019219282A |
To provide a pressure sensor that includes a junction glass in a shape suitable for joining a pressure detection element having a plan view rectangular shape onto a surface of a diaphragm part having a toric shape in plan view.In a junct...
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JP6624989B2 |
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JP6625001B2 |
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JP6608261B2 |
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JP6607005B2 |
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JP6606483B2 |
A pressure detection device includes: a cylindrical body made of a conductor; a pressure receiver made of a conductor, the pressure receiver being mounted to one end side of the body and receiving pressure from the outside; a signal gene...
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JP6605449B2 |
When a combustion pressure sensor (5, 5A...) is formed that includes at least: a case member (31...) which has a joint surface (31a...) on the side of a tip end and in which an opening portion is provided; a joint surface (41a...) which ...
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JP6602740B2 |
A pressure sensor of the present invention includes a housing extending along an axial line, a diaphragm fixed to a front-end side of the housing, a piezoelectric unit disposed in a hole in the housing and including a piezoelectric eleme...
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JP2019184239A |
To suppress the generation of diaphragm distortion due to the heat of combustion gas.A pressure sensor includes; a cylindrical casing; a diaphragm that is arranged in the casing and is deflected according to the pressure received from a ...
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JP6591917B2 |
To provide a stack type pressure sensor with the improved electric connectability between an external electrode member and a side surface electrode portion of a piezoelectric element that are stacked, under the high temperature, the high...
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JP2019174392A |
To provide a pressure detection device with high measurement performance which can suppress an influence on the pressure detection unit caused by heat and pressure received from the pressure medium.A pressure detection device 5 is attach...
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JP6587972B2 |
To provide a structure which is hard to be broken, by proving an automatic sealing property to a high-pressure sensor.A pressure measuring device 100 has a casing 110 equipped with a hollow chamber 12 and a first seal structure portion, ...
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JP2019163708A |
To provide an internal combustion engine which suppresses clogging of piping for connecting an exhaust pipe and a pressure sensor, and is excellent in maintainability.An internal combustion engine comprises: an internal combustion engine...
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JP6580526B2 |
A pressure sensor includes a connection portion provided with a screw portion configured to fix the pressure sensor to a combustion chamber of a vehicle engine; a hollow liquid-enclosing container fixed to one end of the connection porti...
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JP6578184B2 |
An in-cylinder pressure detecting apparatus for detecting a pressure in a combustion chamber of an internal combustion engine is provided. The in-cylinder pressure detecting apparatus includes a pressure detecting element mounted on a fu...
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JP6561780B2 |
In a combustion pressure sensor, a sensor holder is installed in a housing. The sensor holder has an end contact surface. A load transfer member is installed in the housing. The load transfer member has a contact surface facing the end c...
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JP6560562B2 |
[Problem] Occurrence of a change in pressure measurement sensitivity in a pressure sensor for an internal combustion engine with combustion of fuel. [Means for Solution] A variable member is connected to a rod-shaped member and connected...
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JP6550070B2 |
A measuring element for measuring dynamic pressure, temperature and/or static pressure includes a body made of a piezoelectric material and having opposing side surfaces carrying electrodes. The piezoelectric material of the body is sele...
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JP2019113382A |
To provide a pressure sensor capable of suppressing influence of heat to accurately sense pressure of a high-temperature pressure medium.A pressure sensor comprises: a housing 10 having a tip-end cylindrical section 11; a pressure measur...
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JP2019113380A |
To provide a pressure sensor capable of suppressing influence of heat to accurately sense pressure of a high-temperature pressure medium.A pressure sensor comprises: a housing 10 having a tip-end cylindrical section 11; a pressure measur...
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JP6541601B2 |
To suppress a damage of a piezoelectric element due to a temperature change.In a piezoelectric element 10 formed in a rectangular parallelepiped in which each edge is aligned with a crystallographic X-axis (electric axis), a Y-axis (mech...
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JP6542118B2 |
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JP6541083B1 |
To provide a connector for a sensor capable of supporting a repertoire of various sensor units and improving production efficiency. This sensor connector 2 includes terminal modules 5, 5 ... Inserted in a module insertion portion 31, and...
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JP6526467B2 |
This pressure sensor is equipped with: a housing (10) having a tip tubular portion (11) that lengthens in the direction of an axis (S) and is exposed to a pressure medium; an output measurement unit (20) that includes a piezoelectric mem...
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JP3221482U |
To provide a differential pressure detecting device capable of smoothly moving a moving body even at the time of an earthquake and thereby suppressing a malfunction between a magnet and a reed switch. A differential pressure detecting de...
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JP2019078186A |
To provide a method and apparatus for operating an internal combustion engine having injection of a cooling fluid into a combustion chamber of the internal combustion engine.A method comprises: identifying a risk of knocking in present c...
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JP6511363B2 |
[Problem] Occurrence of a change in pressure measurement sensitivity in a pressure sensor for an internal combustion engine with combustion of fuel. [Means for Solution] A variable member is entirely disposed within a housing, is connect...
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JP6509644B2 |
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JP6503190B2 |
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JP6499601B2 |
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JP6496080B2 |
In piezoelectric sensors, conventional amplification factor adjustment methods involving the cutting of a wiring pattern or use of a laser trimmable resistor are unable to adjust the amplification factor when the sensor is in a completed...
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JP6487655B2 |
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JP6484157B2 |
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JP6483634B2 |
A pressure detecting device that detects the combustion pressure in an internal combustion engine includes: a piezoelectric element 10 that outputs a charge signal corresponding to the pressure in a combustion chamber; and a mounting boa...
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JP2019032246A |
To provide a pressure sensor capable of transferring a pressure received by a transfer member to a sensor part in a structure in which a transfer member connecting a retaining member and a sensor part is formed with two or more members a...
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JP2019028054A |
To provide a technique capable of suppressing a sensor element of a pressure sensor from decreasing in pressure detection precision.A pressure sensor comprises main-body metal fittings, a movable member, a holding member, and a sensor el...
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JP6469544B2 |
A support (17) for an electronic module (7) for generating a signal, this module being intended to be inserted into a sensor (1) for measuring the pressure of the gases contained in a vehicle cylinder, the support (17) including a portio...
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