1619 patents
Page 23 of 81
Utility
Honeycomb Filter
29 Sep 22
A honeycomb filter includes a honeycomb structure having a porous partition wall disposed to surround a plurality of cells; and a plugging portion provided at one end of the cell, wherein the honeycomb structure has an inflow side region including a range of up to at least 30% with respect to the total length of the honeycomb structure with the inflow end face as the starting point and an outflow side region including a range of up to at least 20% with respect to the total length of the honeycomb structure with the outflow end face as the starting point, in the extending direction of the cell of the honeycomb structure, an average pore diameter of the partition wall in the inflow side region is 15 to 20 μm and an average pore diameter of the partition wall in the outflow side region is 9 to 14 μm.
Fumihiko YOSHIOKA, Sachiko ISHIDA
Filed: 22 Dec 21
Utility
Silicon Carbide Porous Body, Honeycomb Structure, Electrically Heated Catalyst, and Method of Manufacturing Silicon Carbide Porous Body
29 Sep 22
A silicon carbide porous body contains β-SiC particles, Si particles, and metal silicide particles.
Shinji SUZUKI, Kyohei ATSUJI, Takahiro TOMITA
Filed: 4 Feb 22
Utility
Honeycomb Structure, and Electric Heating Support and Exhaust Gas Treatment Device Each Using the Honeycomb Structure
29 Sep 22
A honeycomb structure according to at least one embodiment of the present invention includes: a honeycomb structure portion having: an outer peripheral wall; and a partition wall arranged inside the outer peripheral wall to define a plurality of cells each extending from a first end surface of the honeycomb structure portion to a second end surface thereof to form a flow path; and a pair of electrode portions arranged on an outer peripheral surface of the outer peripheral wall of the honeycomb structure portion.
Masaki HOURA, Takayuki INOUE, Takashi NORO
Filed: 15 Dec 21
Utility
Honeycomb Filter
29 Sep 22
A honeycomb filter includes a honeycomb structure having a porous partition wall disposed to surround a plurality of cells; and a plugging portion provided at one end of the cell, wherein the honeycomb structure has an inflow side region including a range of up to at least 30% with respect to the total length of the honeycomb structure with the inflow end face as the starting point and an outflow side region including a range of up to at least 20% with respect to the total length of the honeycomb structure with the outflow end face as the starting point, in the extending direction of the cell of the honeycomb structure, an average pore diameter of the partition wall in the inflow side region is 9 to 14 μm and an average pore diameter of the partition wall in the outflow side region is 15 to 20 μm.
Sachiko ISHIDA, Fumihiko YOSHIOKA
Filed: 15 Dec 21
Utility
Composite Sintered Body, Honeycomb Structure, Electrically Heated Catalyst, and Method of Manufacturing Composite Sintered Body
29 Sep 22
A composite sintered body contains a silicon phase which is a main phase, a cordierite phase, and an amorphous phase containing Si.
Kyohei ATSUJI, Shinji SUZUKI, Shinpei OSHIMA, Takahiro TOMITA
Filed: 4 Feb 22
Utility
Method for Manufacturing Pillar-shaped Honeycomb Fired Body
29 Sep 22
A method for manufacturing a pillar-shaped honeycomb fired body including: measuring a firing shrinkage at an end surface of a first pillar-shaped honeycomb firing body at every predetermined angle for one round based on a portion that has been located at the center of a die when a green body passes through the die, obtaining a second pillar-shaped honeycomb formed body having a corrected end surface contour by modifying an annular mask used for extrusion molding based on a result of the measuring, and then obtaining a second pillar-shaped honeycomb fired body by performing drying and firing.
Shota UNO, Yasunori YAMAZAKI, Yusuke HAYAKAWA
Filed: 9 Feb 22
Utility
Control Method of Gas Sensor
29 Sep 22
A control method of a gas sensor including a sensor element and an activity determining part includes a temperature raising step of heating the sensor element by a heater of the sensor element to raise a temperature of the sensor element up to an active temperature at which the activity determining part determines that the sensor element is in a measurable active state; a prior driving step of raising the temperature of the sensor element by the heater from the active temperature up to a steady driving temperature, and operating a main pump cell and a measurement pump cell of the sensor element to detect NOx in the measurement-object gas; and a steady driving step of maintaining the temperature of the sensor element by the heater at the steady driving temperature, and operating the main pump cell and the measurement pump cell to continuously detect NOx in the measurement-object gas.
Yusuke Watanabe
Filed: 23 Mar 22
Utility
Gas Sensor
29 Sep 22
A gas sensor is capable of realizing a stable crimped shape even when the crimp portion of the housing is pressed from above during manufacture.
Hiroki ADACHI, Yuya SEIKE
Filed: 21 Mar 22
Utility
Gas Sensor
29 Sep 22
Provided is a gas sensor capable of realizing a stable crimped shape even when the crimp portion of the housing is pressed from above during manufacture.
Hiroki ADACHI, Kota KATAGIRI
Filed: 21 Mar 22
Utility
Sensor Element and Gas Detection Method Using Sensor Element
29 Sep 22
A sensor element includes a base part including a plurality of oxygen-ion-conductive solid electrolyte layers stacked; a measurement-object gas flow part for introduction and flow of a measurement-object gas through one end part in a longitudinal direction of the base part; a main pump cell including an inner main pump electrode disposed on an inner surface of the measurement-object gas flow part, and an outer pump electrode; a target-gas-decomposing pump cell including a target-gas-decomposing pump electrode disposed at a position farther from the one end part than the inner main pump electrode, and an outer pump electrode; a residual-oxygen-measuring pump cell including a residual-oxygen-measuring electrode disposed at a position farther from the one end part than the inner main pump electrode, and an outer pump electrode; and a reference electrode.
Yusuke WATANABE, Takayuki SEKIYA
Filed: 23 Mar 22
Utility
Sensor Element
29 Sep 22
A sensor element includes a base part including a plurality of oxygen-ion-conductive solid electrolyte layers stacked; a measurement-object gas flow part for introduction and flow of a measurement-object gas through a gas inlet; an inner oxygen pump electrode disposed on an inner surface of the measurement-object gas flow part; and a measurement electrode disposed on the inner surface of the measurement-object gas flow part.
Yusuke WATANABE, Takayuki SEKIYA, Shotaro NIIZUMA, Hayami AOTA, Toshihiro HIRAKAWA
Filed: 23 Mar 22
Utility
Sensor Element and Gas Sensor
29 Sep 22
A sensor element includes element main body including side surfaces, a detection unit, connector electrodes disposed on the rear end-side part of the side surfaces, a porous layer that covers at least front end-side part of the side surface, the porous layer having a porosity of 10% or more, and a water-penetration reduction portion.
Yuki NAKAYAMA, Shota KAGEYAMA, Yusuke FUJII, Kei KOSAKA
Filed: 27 May 22
Utility
Member for semiconductor manufacturing apparatuses
27 Sep 22
A member for semiconductor manufacturing apparatuses, which includes a ceramic electrostatic chuck and a cooling plate bonded together with a thermosetting sheet, is provided.
Kazuma Ohba, Tetsuya Kawajiri, Takashi Kataigi
Filed: 3 Mar 14
Utility
Energy management system, independent system, and operation method of independent system
27 Sep 22
Regarding an independent system, a prediction value of charged/discharged power of a storage battery is calculated, based on a prediction value of generated power of a renewable energy power generator, a prediction value of demanded power of a control device, and a prediction value of demanded power of a load on an assumption that a power supply limit is applied to the load.
Tetsuya Hatta, Hiroyuki Abe
Filed: 14 Apr 21
Utility
Bonded body with piezoelectric monocrystalline substrate and supporting substrate
27 Sep 22
A piezoelectric monocrystalline substrate is composed of a material represented by LiAO3 (A represents at least one element selected from the group consisting of niobium and tantalum), a bonding layer is compose of a material of an oxide of at least one element selected from the group consisting of niobium and tantalum, and an interface layer is provided along an interface between the piezoelectric monocrystalline substrate 6 and bonding layer, and the interface layer has a composition of ExO(1-x) (E represents at least one element selected from the group consisting of niobium and tantalum and 0.29≤x≤0.89).
Masashi Goto, Tomoyoshi Tai, Takahiro Yamadera, Yuji Hori, Keiichiro Asai, Masahiko Namerikawa, Takashi Yoshino
Filed: 24 May 19
Utility
Porous Composite
22 Sep 22
A porous composite includes a porous base material, and a porous collection layer provided on a collection surface of the base material (e.g., on inner surfaces of first cells).
Masashi KUBOYAMA, Kenichi HIDAKA, Takuya NAKASHIMA, Yunie IZUMI
Filed: 6 Jun 22
Utility
Honeycomb Structure and Electrically Heating Support
22 Sep 22
A ceramic honeycomb structure includes: an outer peripheral wall; and a partition wall disposed on an inner side of the outer peripheral wall, the partition wall defining a plurality of cells, each of the plurality of cells to form a fluid flow path extending from one end face to other end face.
Takayuki INOUE, Makoto HAMAZAKI, Kohei YAMADA
Filed: 14 Jan 22
Utility
Method for Producing Honeycomb Structure and Method for Producing Electrically Heating Support
22 Sep 22
A method for producing a ceramic honeycomb structure, the honeycomb structure includes: an outer peripheral wall; and partition walls disposed on an inner side of the outer peripheral wall, the partition walls defining a plurality of cells, each of the cells extending from one end face to the other end face to form a flow path, wherein the honeycomb structure includes at least one slit provided on a cross section perpendicular to an axial direction of the honeycomb structure, wherein the method includes the steps of: preparing a honeycomb structure element before forming the slit; and forming the slit by arranging a wire so as to pass from one end face to the other end face in the cell and then cutting the partition walls while moving the honeycomb structure element and/or the wire.
Yuto NAITO
Filed: 8 Dec 21
Utility
Honeycomb Structure and Electic Heating Support Using the Honeycomb Structure
22 Sep 22
A honeycomb structure according to at least one embodiment of the present invention includes: partition walls defining cells each extending from a first end surface of the honeycomb structure to a second end surface thereof to form a fluid flow path; and an outer peripheral wall.
Makoto HAMAZAKI, Takayuki INOUE, Kohei YAMADA
Filed: 11 Mar 22
Utility
Method for Producing Honeycomb Structure, Method for Producing Electrically Heating Support and Filling Material Intruding Device
22 Sep 22
A method for producing a ceramic honeycomb structure including at least one slit filled with a filling material in a cross section in an axial direction of the honeycomb structure, wherein the honeycomb structure includes: an outer peripheral wall; and a partition wall, the partition wall defining a plurality of cells, wherein the method includes the steps of: preparing a honeycomb structure element comprising at least one slit; masking one end face of the honeycomb structure element except for the slit; and providing the honeycomb structure comprising the at least one slit filled with the filling material by applying a pressure to an axial direction of the honeycomb structure element and feeding the filling material from the one end face to intrude the filling material from the slit on the one end face side to the slit on the other end face side.
Yuto NAITO
Filed: 23 Dec 21