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JP2023087492A |
To provide a pressure sensor which can suppress the vibration of a lead wire, etc., while simplifying the structure, reducing costs, and simplifying assembly work.The pressure sensor comprises: a cylindrical housing H for defining an axi...
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JP7282006B2 |
To suppress the breakage of a piezoelectric element in manufacturing a pressure detector that includes the piezoelectric element.Against a temporary assembly created by assembling the constituent member of a second structure that include...
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JP7261689B2 |
Provided is an adapter for installing a pressure sensor, which can efficiently separate a deposit deposited in a front end of a pressure sensor. The adapter for installing a pressure sensor (1) comprises: an installation unit (10) fixati...
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JP2023054736A |
To provide a sensor mounting pedestal capable of reliably applying wholly circumferential fillet welding even at such a mounting position that the sensor mounting pedestal and an external surface of an exhaust device are close to each ot...
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JP2023049395A |
To suppress accuracy deterioration in detection of a detection target signal by reducing vibration of a pressure sensing device at a frequency close to a frequency of the signal based on changes in pressure to be sensed.A pressure sensin...
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JP7232969B1 |
An object of the present invention is to easily remove incomplete combustion products adhering to a temperature reducing member even in a state where the sealing performance between the temperature reducing member and the pressure receiv...
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JP7171260B2 |
To create a new type internal combustion engine in which a pressure sensor is optimally incorporated in a cylinder head.A recess (4) in a cylinder head (2), which receives a pressure sensor (5), and a sensor housing (6) or a sensor adapt...
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JP7166897B2 |
To provide a pressure detection device having high credibility.A pressure detection device comprises: a pressure detection element 41 that outputs an electric signal in accordance with an externally received pressure; a conductive member...
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JP7166194B2 |
To suppress the damage of a piezoelectric element due to the unevenness of pressure applied from each electrode member.A piezo-electric module 400 constituting a pressure detector comprises: a piezoelectric element 41 consisting of a pie...
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JP7154215B2 |
The invention relates to a method for producing a sensor housing for a pressure sensor and to a sensor housing for a pressure sensor, to a pressure sensor having such a sensor housing, and to the use of an additive production device for ...
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JP2022158209A |
To achieve an abnormality detection circuit capable of performing an abnormality determination without flowing a current through an output path in a signal processing circuit.An abnormality detection circuit 60 includes: a switching unit...
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JP2022147447A |
To facilitate control in the welding operation in comparison with a case when performing the spot welding by determining a welding point being a target position about the welding with an object and a spring, and thereby reduce complicati...
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JP2022142610A |
To enhance strength with respect to a deflection of a transmission member formed into a plate-like shape.A pressure detection device comprises: a piezoelectric element that detects a change in pressure; a processing circuit that performs...
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JP2022141475A |
To provide a pressure detection device in which the effect upon other regions due to the contact of a weld bead in a welded section is suppressed.The pressure detection device comprises: a cylindrical tip-side housing 31; a piezoelectric...
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JP2022130281A |
To provide a pressure sensor in which the vibration of a connector part can be suppressed while the versatility is high, the cost is low, the assembling is easy, and the assembling property is improved.A pressure sensor includes a tubula...
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JP7081420B2 |
According to the present invention, a knocking determination device: has a determination part that detects vibration that occurs at an internal combustion engine; and performs knocking determination on the basis of a detection signal fro...
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JP7077210B2 |
To increase the reliability of electrical connection between a piezoelectric element and a processing circuit.A circuit built-in member 57 provided in a pressure detector that detects the combustion pressure, etc., of an internal combust...
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JP2022063431A |
To realize a signal processing circuit for a cylinder internal pressure sensor with which it is possible to more suitably correct the offset of a sensor unit and the signal processing circuit.A signal processing circuit 40 includes an ar...
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JP2022039439A |
To realize a signal processing circuit of a cylinder pressure sensor capable of more precisely detecting a malfunction of the cylinder pressure sensor.A signal processing circuit 40 of a cylinder pressure sensor 1 includes a malfunction ...
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JP2022039442A |
To optimally detect an open failure in an input path from a sensor circuit to a determination unit in a failure detection circuit in a cylinder internal pressure sensor.A signal processing circuit 40 of a cylinder internal pressure senso...
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JP2022039438A |
To achieve a signal processing circuit of a cylinder internal pressure sensor that makes it possible to make a more accurate correction of an amplification factor even under an environment in which a pressure greatly changes.A signal pro...
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JP7016310B2 |
To provide a pressure detector with which superimposition of noise from the outside is suppressed.Provided is a pressure detector 20 comprising: a pressure detection unit 41 for detecting a change of a pressure; a first housing 49 having...
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JP2022020330A |
To provide a pressure sensor capable of protecting a diaphragm from a high temperature pressure medium to suppress heat strain and suppressing or preventing sensor accuracy from being reduced by the influence of heat to obtain expected s...
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JP7008006B2 |
To provide a pressure detector which, in a process of incorporating a conduction member of a piezoelectric detector into a housing on a tip side, achieves improvement of its workability, assemblability, and productivity, so as to ensure ...
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JP7002821B2 |
To provide a pressure sensor which is capable of detecting a temperature with high measurement sensitivity even under an environment susceptible to heat caused by a flame, and which is of a simple structure and low cost.A pressure sensor...
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JP6990617B2 |
The first solid propellant is formed to have a columnar shape so as for a combustion surface to move to a first direction, and to have an end surface exposed to a combustion space. The surface of first solid propellant except for the end...
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JP6985534B2 |
A pressure sensor of the present invention comprises a cylindrical housing (10, 210); a diaphragm (30) which is fixed to the front end of the housing and exposed to a pressure medium; a pressure measuring member (70, 270) comprising a fi...
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JP6980367B2 |
A pressure sensor includes a sensor assembly and an evaluation unit. The sensor assembly includes a sensor and an electrode arrangement. The sensor generates signals under the action of a pressure profile, and the electrode arrangement t...
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JP6980368B2 |
A pressure sensor includes a sensor assembly and an evaluation unit. The; sensor assembly includes a sensor and an electrode arrangement. The sensor is configured to generate signals under the action of a pressure profile. The electrode ...
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JP6964306B2 |
To provide a piezoelectric material for combustion pressure sensor, a production method thereof and a combustion pressure sensor using the same.A piezoelectric material is composed of a crystal containing Sr, Ca, Ta, Al, Si and O, this c...
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JP2021173671A |
To provide a pressure sensor that can suppress heat strain by protecting a diaphragm from a high-temperature pressure medium, to suppress or prevent reduction of the sensor accuracy due to thermal influence and secure an initial sensor a...
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JP2021173708A |
To provide a pressure sensor capable of suppressing or preventing output signal drift caused by temperature difference arising between two ends of a piezoelectric body.A pressure sensor comprises: cylindrical housings 10, 20 defining an ...
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JP2021173670A |
To provide a pressure sensor that can suppress thermal influence and attain a desired sensor accuracy.The present invention includes: cylindrical housings 10, 20; a pressure measurement member 80 contained in the housing, the pressure me...
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JP6955640B2 |
The objective of the present invention is to remove drift of a piezoelectric element and thereby obtain a highly precise pressure detection signal by means of a simple configuration. A pressure detection signal processing device 200 incl...
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JP6954861B2 |
To reduce errors of measuring the temperature of a piezoelectric member.A piezoelectric element 30 is formed in a pressure detector detecting a pressure in the combustion chamber of an internal combustion engine, and includes: a piezoele...
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JP6951241B2 |
To reduce the ingress of noise to the output of a piezoelectric element.A pressure detector 20 comprises: a piezoelectric element 33 for detecting a change of pressure via a diaphragm head 32, etc.; a positive path (second pressuring mem...
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JP6948247B2 |
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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JP6948491B1 |
The circuit built-in member 46 provided in the pressure detection device that detects the combustion pressure of the internal combustion engine has a processing circuit that processes the charge signal output by the piezoelectric element...
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JP2021162376A |
To simplify a pressurization structure for applying a preload, to reduce cost, and to improve assembling performance.An elastic member 90 is stacked and arranged in a first housing 33 together with respective members of a piezoelectric e...
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JP2021156589A |
To provide a pressure detection device capable of accurately performing pressure measurements of a measured object where vibrations occur.A pressure detection device 20 is mounted on a measured object to detect an internal pressure of th...
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JP2021156586A |
To provide a pressure detection device capable of accurately performing pressure measurements of a measured object where vibrations occur.A pressure detection device is mounted on a measured object to detect an internal pressure of the m...
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JP2021156599A |
To improve the practicality of a pressure detection device by defining a range of insulating properties of a pressure receiving portion and a covering portion formed on a body portion of the pressure detection device.A pressure detecting...
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JP2021156585A |
To provide a pressure detection device capable of accurately performing pressure measurements of a measured object where vibrations occur.A pressure detection device 20 is mounted on a measured object to detect an internal pressure of th...
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JP2021156588A |
To provide a pressure detection device capable of accurately performing pressure measurements of a measured object where vibrations occur.A pressure detection device 20 is mounted on a measured object to detect an internal pressure of th...
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JP2021156587A |
To provide a pressure detection device capable of accurately performing pressure measurements of a measured object where vibrations occur.A pressure detection device 20 is mounted on a measured object to detect an internal pressure of th...
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JP6943592B2 |
To provide a cylinder internal pressure sensor that enables achievement of a seal structure capable of excellently obtaining both of a seal property and a heat release property between a through-hole of a cylinder head and a cylinder int...
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JP6937148B2 |
To reduce an error of an output value that is attributable to the thermal expansion of a pressure receiving member that receives pressure.A pressure detector comprises: an outside front housing 11 and an inside front housing 12 arranged ...
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JP6938654B2 |
A combustion pressure sensor comprises a sensor body (9), at least one first optical fibre (1, 2) inserted into the sensor body (9), and a resiliently deformable membrane (7; 13) attached to the sensor body (9). The at least one first op...
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JP6909705B2 |
To suppress an intrusion of noise from a ground side of a piezoelectric member.A pressure detector includes: a piezoelectric element 34; a tip side electrode member 35 disposed on a tip side of the piezoelectric element 34; a rear end si...
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JP6902431B2 |
To reduce the ingress of noise into the output of a piezoelectric element.A pressure detection device 20 comprises: a piezoelectric element 33 detecting change of pressure via a diaphragm head 32, etc.; a positive path (second pressurizi...
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