1619 patents
Page 77 of 81
Utility
Gas Sensor and Gas Concentration Measurement Method
18 Dec 19
In a gas sensor configured to measure the concentrations of a plurality of components in the presence of oxygen, in the interior of a structural body made from an oxygen ion conductive solid electrolyte, a preliminary chamber having a mixed potential electrode, an oxygen concentration adjustment chamber having a main pump electrode, and a measurement chamber having a measurement electrode are formed in a manner communicating in this order.
Taku OKAMOTO
Filed: 11 Jun 19
Utility
Gas Sensor
18 Dec 19
A first gas sensor includes a main pump cell that pumps oxygen inside a main oxygen concentration adjustment chamber, by applying a main pump voltage between a main interior side electrode and an exterior side electrode, and causing a main pump current to flow, a preliminary pump cell that pumps the oxygen inside a preliminary adjustment chamber by applying a preliminary pump voltage between an interior side preliminary electrode and the exterior side electrode, and causing a preliminary pump current to flow, and a constant control unit that controls the preliminary pump voltage of the preliminary pump cell in a manner so that the main pump current of the main pump cell becomes constant.
Kunihiko NAKAGAKI, Taku OKAMOTO, Osamu NAKASONE, Nobukazu IKOMA
Filed: 11 Jun 19
Utility
Gas Sensor and Method of Producing Gas Sensor
18 Dec 19
A gas sensor includes a structural body made up from a solid electrolyte that exhibits oxygen ion conductivity, a gas introduction port formed in the structural body, a preliminary chamber communicating with the gas introduction port and equipped with a preliminary pump electrode, a main chamber communicating with the preliminary chamber and equipped with a main pump electrode, and a measurement chamber communicating with the main chamber and equipped with a measurement electrode.
Kunihiko NAKAGAKI, Taku OKAMOTO, Nobukazu IKOMA
Filed: 11 Jun 19
Utility
Solid oxide fuel cell
16 Dec 19
An interconnector made of a lanthanum chromite is provided on a fuel electrode of an SOFC, and a P-type semiconductor film which is a conductive ceramics film is formed on a surface of the interconnector.
Koichi Koga, Makoto Ohmori
Filed: 1 Apr 13
Utility
Production method for welded body and production method for gas sensor
9 Dec 19
In a main metal piece 60 and an inner cylinder 70 serving as cylindrical bodies before welding, a second end surface 75 is an inclined surface that inclines toward an end portion opposite from the second end surface 75 as the second end surface 75 extends toward the center axis, and an angle θ2a is 5° to 15°.
Miyoshi Makino, Kenji Isaka
Filed: 31 Aug 15
Utility
Fuel cell stack
9 Dec 19
A fuel cell stack (100) includes a first power generation element, a first supporting substrate (5a), a second power generation element, a second supporting substrate (5b) and a communicating member (3).
Makoto Ohmori
Filed: 31 Jan 17
Utility
Support for Electric Heating Type Catalyst
4 Dec 19
A support for an electric heating catalyst includes: a honeycomb structure having partition walls extending between inflow and outflow to define cells forming a through channel; and an outer peripheral wall; a pair of electrode layers disposed on the outer peripheral wall; and a pair of electrode portions.
Naoki Okamoto, Naoya Takase
Filed: 31 Jul 19
Utility
Insulated Heat Dissipation Substrate
4 Dec 19
An insulated heat dissipation substrate including: a ceramic substrate; and a conductor layer bonded onto at least one of main surfaces of the ceramic substrate, wherein the conductor layer includes: an upper surface; a lower surface; and a side surface 1 connecting the upper surface with the lower surface; the ceramic substrate includes: a lowest portion; a side surface 2 connecting the lowest portion with the side surface 1 of the conductor layer; and a bonding surface at a position higher than the lowest portion, the bonding surface being bonded to the lower surface of the conductor layer; an absolute value (|α−β|) is 20° or less on average; and the side surface 1 has a receding portion from an end of the upper surface in the normal direction relative to the tangential line of the contour of the conductor layer as viewed in plane.
Shingo IWASAKI, Takashi EBIGASE
Filed: 15 Aug 19
Utility
Insulated Heat Dissipation Substrate
4 Dec 19
An insulated heat dissipation substrate including: a ceramic substrate; and a conductor layer bonded onto at least one of main surfaces of the ceramic substrate, wherein the conductor layer includes an upper surface, a lower surface bonded to the ceramic substrate, and a side surface connecting the upper surface with the lower surface wherein, a tip of the upper surface recedes in the normal direction of the conductor layer from a tip of the lower surface, the side surface has a contour having an inwardly recessed curve line and having a portion receding in the normal direction of the conductor layer from the tip of the upper surface, and a connection portion between the upper surface and the side surface has a rounded shape such that a maximum radius R of a circle is 0.1 μm≤R≤5 μm on average.
Shingo IWASAKI, Takashi EBIGASE
Filed: 13 Aug 19
Utility
Porous material, method for manufacturing porous material, and honeycomb structure
2 Dec 19
Provided is a porous material which is not easily damaged even when being exposed to a high temperature in a low oxygen atmosphere, and has heat resistance improved.
Atsushi Mizuno, Ryuta Kouno, Shuichi Ichikawa
Filed: 23 Mar 17
Utility
Exhaust heat recovery device
2 Dec 19
An exhaust heat recovery device including a heat exchange portion, an exhaust branch portion, and an exhaust distribution portion, wherein the heat exchange portion comprises a pillar-shaped honeycomb body having a first end face and a second end face, and a casing accommodating the honeycomb body, the exhaust branch portion has a branch path that branches a path of exhaust gas flowing into the honeycomb body into a central portion and an outer circumferential portion in a cross-section orthogonal to an axial direction of the honeycomb body, and the exhaust distribution portion has an exhaust distribution mechanism that adjusts a heat recovery amount by changing an airflow resistance of the path of the exhaust gas in the central portion of the honeycomb body and varying the exhaust amount passing through the path of the exhaust gas in the outer circumferential portion of the honeycomb body.
Tatsuo Kawaguchi, Takeshi Sakuma, Makoto Yoshihara, Hiroshi Mizuno, Daisuke Kimura
Filed: 16 Apr 18
Utility
Thermoacoustic energy converting element part, thermoacoustic energy converter, and method of manufacturing thermoacoustic energy converting element part
2 Dec 19
The thermoacoustic energy converting element part includes a plurality of through holes extending along a uniform direction to penetrate a body of the thermoacoustic energy converting element part to form traveling paths of acoustic waves.
Yukio Miyairi, Shinichi Miwa
Filed: 25 Jan 15
Utility
Gas sensor manufacturing method and gas sensor manufacturing apparatus
2 Dec 19
Provided is a method for manufacturing a gas sensor which suppresses a defective product caused by a defective posture of a sensor element therein.
Kenji Isaka, Koji Egawa, Nobukazu Ikoma
Filed: 20 Mar 17
Utility
Lithium Complex Oxide Sintered Body Plate
27 Nov 19
Disclosed is a lithium complex oxide sintered plate for use in a positive electrode of a lithium secondary battery.
Yukinobu YURA, Nobuyuki Kobayashi
Filed: 6 Aug 19
Utility
CorrectedGroup 13 Element Nitride Crystal Substrate and Function Element
27 Nov 19
A crystal substrate 1 includes an underlying layer 2 and a thick film 3.
Makoto IWAI, Takashi YOSHINO
Filed: 28 May 18
Utility
Lithium Complex Oxide Sintered Body Plate
27 Nov 19
Disclosed is a lithium complex oxide sintered plate for use in a positive electrode of a lithium secondary battery.
Yukinobu YURA, Nobuyuki KOBAYASHI
Filed: 6 Aug 19
Utility
Lithium Complex Oxide Sintered Body Plate
27 Nov 19
Provided is a lithium complex oxide sintered plate for use in a positive electrode of a lithium secondary battery.
Yukinobu YURA, Nobuyuki KOBAYASHI
Filed: 6 Aug 19
Utility
Lithium Composite Oxide Sintered Body Plate and Lithium Secondary Battery
27 Nov 19
Disclosed is a lithium complex oxide sintered plate including a plurality of primary grains having a layered rock-salt structure, the primary grains being bonded.
Yukinobu YURA, Shigeki OKADA
Filed: 11 Aug 19
Utility
Separation membrane structure
25 Nov 19
A separation membrane structure comprises a porous support, a first separation membrane formed on the porous support, and a second separation membrane formed on the first separation membrane.
Kenichi Noda
Filed: 29 Jun 17
Utility
Silica membrane and separation membrane filter
25 Nov 19
A silica membrane filter 10 includes a porous substrate 13 and a silica membrane 18 formed on the porous substrate 13, the silica membrane 18 having an aryl group.
Aya Miura, Masahiro Furukawa
Filed: 12 Sep 17