Abstract: A tunnel excavation device includes a front body portion configured to support a cutter head and a rear body portion. The rear body portion includes a gripper carrier and a gripper portion. The gripper carrier is disposed in a rear of the front body portion. The gripper portion is provided on the gripper carrier. The gripper portion includes a groove portion and a wheel portion. The groove portion is formed in a recess shape toward the rear main body. The wheel portion is disposed in the groove portion.

Abstract: A tunnel excavation device includes a main body a frame and a workbench. The main body includes a front body section and a rear body section. The front body section includes a cutter head provided with a plurality of disk cutters. The rear body section is disposed behind the front body section and includes a gripper section for obtaining a reaction force when excavating. The frame is disposed continuously behind the main body. The workbench is disposed above the frame so as to be rotatable with respect to the frame.

Abstract: The tunnel excavation device includes a front body section and a rear body section. The front body section includes a cutter head, a cutter head support, and a vertical shoe. The rear body section is disposed to a rear of the front body section and includes a gripper section for obtaining a reaction force when excavating. The cutter head includes a plurality of roller cutters. The cutter head support supports the cutter head. The vertical shoe is disposed below the cutter head support and is provided in a turnable manner to the cutter head support.

Abstract: A tunnel excavation device includes a first body portion and an erector device. The first body portion includes a cutter head and a support portion rotatably supporting the cutter head. The erector device is configured to transport a supporting member toward an excavated wall surface. The erector device is provided on the support portion. The erector device includes a ring portion holding the supporting member, and a posture changing device configured to change an angle formed by a center axis of the ring portion and a rotation axis of the cutter head in a plan view.

Abstract: A tunnel excavation device includes a front body section and a rear body section. The front body section includes a cutter head, a cutter head support, peripheral plates, a roof shoe, and side shoes. The cutter head includes a plurality of roller cutters. The cutter head support supports the cutter head. The peripheral plates, the roof shoe, and the side shoes are provided to the outer circumference and can be collapsed inward. The rear body section is disposed to the rear of the front body section. The rear body section includes a gripper section. The gripper section obtains a reaction force for performing excavation.

Abstract: The tunnel excavation device includes a front body section and a rear body section. The front body section includes a cutter head, a cutter head support, and a vertical shoe. The rear body section is disposed to a rear of the front body section and includes a gripper section for obtaining a reaction force when excavating. The cutter head includes a plurality of roller cutters. The cutter head support supports the cutter head. The vertical shoe is disposed below the cutter head support and is provided in a turnable manner to the cutter head support.

Abstract: A tunnel excavation device includes a front body portion configured to support a cutter head and a rear body portion. The rear body portion includes a gripper carrier and a gripper portion. The gripper carrier is disposed in a rear of the front body portion. The gripper portion is provided on the gripper carrier. The gripper portion includes a groove portion and a wheel portion. The groove portion is formed in a recess shape toward the rear main body. The wheel portion is disposed in the groove portion.

Abstract: An electrode material includes an active material particle and a solid electrolyte particle. The solid electrolyte particle includes Li, M, and X, wherein M is at least one selected from the group consisting of metal elements excluding Li and metalloid elements, and X is at least one selected from the group consisting of F, Cl, Br, and I. The ratio R1 of the volume of the active material particle to the sum of the volume of the active material particle and the volume of the solid electrolyte particle is greater than or equal to 10% and less than 65% when expressed as percentage. The ratio R2 of the average particle diameter of the active material particle to the average particle diameter of the solid electrolyte particle is greater than or equal to 0.5 and less than or equal to 3.4.

Abstract: A halide producing method according to the present disclosure includes heat-treating a material mixture that is a material containing an MOx powder and an NH4X powder in an inert gas atmosphere or in a vacuum. M represents at least one element selected from the group consisting of rare-earth elements, X represents at least one element selected from the group consisting of F, Cl, Br, and I, x is greater than or equal to 1 and less than or equal to 2, and Requirement (a) or Requirement (b) below is satisfied, D1?D2 and D2?D1?0.5×D2??(a) D2<D1 and D1?D2?0.5×D1??(b) where an average particle diameter of the MOx powder is denoted by D1, and an average particle diameter of the NH4X powder is denoted by D2.

Abstract: An ultrasonic motor is provided that includes a stator having a plate-shaped vibrating body with first and second opposing main surfaces and a through-hole penetrating in a direction in which the first and second main surfaces face each other, and a piezoelectric element on the first main surface. Moreover, a stator fixing member is provided having a rotor in contact with the second main surface, a main body portion is disposed on the first main surface side, and a whirl-stop portion extends from the main body portion toward the vibrating body side. The whirl-stop portion and the through-hole of the stator have a polygonal shape in a plan view. The number of vertices of the whirl-stop portion and the through-hole is the same, and the whirl-stop portion and the through-hole are fitted to each other.

Abstract: A device may include a stator including a vibrating body in a plate shape having a first principal surface and a second principal surface opposed to each other, and including a piezoelectric device provided on the first principal surface of the vibrating body. A device may include a rotor directly or indirectly in contact with the second principal surface of the vibrating body. A device may include a spring in a plate shape having an opening and configured to give elastic force to the rotor in a direction from a side of the rotor to a side of the stator. A device may include a shaft inserted into the opening of the spring and having a mating portion, wherein. A device may include a shape of the opening of the spring is a noncircular shape in a plan view.

Abstract: An ultrasonic motor is provided with increased torque without an increase in size. The ultrasonic motor includes a stator having a plate-shaped vibrating body including first and second main surfaces and a piezoelectric element on the first main surface; and a rotor in contact with the second main surface. The piezoelectric element is disposed along a circumferential direction of a traveling wave so as to generate the traveling wave circulating around an axial direction Z by vibrating the vibrating body. The piezoelectric element vibrates the vibrating body in a vibration mode including a nodal line extending in the circumferential direction. A mass addition portion is provided along the circumferential direction on at least one of the first and second main surfaces of the vibrating body 3, and the mass addition portion is located outside the nodal line in a direction perpendicular to the axial direction Z.

Abstract: A tunnel excavation device includes a first body portion and an erector device. The first body portion includes a cutter head and a support portion rotatably supporting the cutter head. The erector device is configured to transport a supporting member toward an excavated wall surface. The erector device is provided on the support portion. The erector device includes a ring portion holding the supporting member, and a posture changing device configured to change an angle formed by a center axis of the ring portion and a rotation axis of the cutter head in a plan view.

Abstract: A tunnel excavation device includes a main body a frame and a workbench. The main body includes a front body section and a rear body section. The front body section includes a cutter head provided with a plurality of disk cutters. The rear body section is disposed behind the front body section and includes a gripper section for obtaining a reaction force when excavating. The frame is disposed continuously behind the main body. The workbench is disposed above the frame so as to be rotatable with respect to the frame.

Abstract: A proton conductor of the present disclosure includes a compound represented by the chemical formula BaZr(1-x-y)YbxScyO3-?. The chemical formula satisfies 0<x<0.5, 0 <y<0.5, (x+y)<0.5, and 0<?<0.5.

Abstract: An electrode material of the present disclosure is an electrode material that includes a compound represented by the chemical formula BaZr1-x-yMxCoyO3-?. M is In or Yb, and the chemical formula satisfies 0<x<1, 0<y<1, 0<(x+y)<1, and 0<?<1. A membrane electrode assembly of the present disclosure includes a first electrode including the electrode material, and an electrolyte membrane provided on a first main surface of the first electrode.

Abstract: The present invention relates to a chemical mechanical polishing (CMP) apparatus for polishing a workpiece, such as a metal body, to a mirror finish. The chemical mechanical polishing apparatus includes: a polishing pad (2) having an annular polishing surface (2a) which has a curved vertical cross-section; a workpiece holder (11) for holding a workpiece (W) having a polygonal shape; a rotating device (15) configured to rotate the workpiece holder (11) about an axis of the workpiece (W); a pressing device (14) configured to press a periphery of the workpiece (W) against the annular polishing surface (2a); and an operation controller (25) configured to change a speed at which the rotating device (15) rotates the workpiece (W) according to a rotation angle of the workpiece (W). The pressing device (14) is disposed more inwardly than the workpiece holder (11) in a radial direction of the polishing table (3).

Abstract: A piezoelectric vibration device is provided that includes a piezoelectric transformer, a flexible board and a case. The flexible board includes an element-mounting terminal connected to an outer electrode of the piezoelectric transformer, and an external connection terminal connected to a wiring board. The case has a securing member that secures the case to the wiring board and a ceiling. When the piezoelectric vibration device is mounted on the wiring board, the securing member defines a space between the ceiling and the wiring board to accommodate the piezoelectric transformer and the flexible board. Moreover, the piezoelectric transformer is suspended to the ceiling of the case by a holding member. This configuration provides a piezoelectric vibration device with which degradation of characteristics due to causes such as displacement of the piezoelectric vibrator or fluctuations in the pressing force applied by lead terminals is minimized.

Abstract: A multilayer ceramic capacitor satisfies a relationship A>B, where B represents a coverage rate of a first organic layer disposed on a first base electrode layer located on a first end surface, A represents a coverage rate of the first organic layer disposed on the first base electrode layer located on a first main surface or a second main surface, and A represents a coverage rate of the first organic layer located on the first main surface or the second main surface. A second end surface also has a similar configuration.

Abstract: In a conventional power supply system, it was difficult to quickly activate a motor load or the like after performing switching to an isolated operation.