Abstract: To provide a holder housing tool with high general-purpose properties and favorable usability, and a file including the holder housing tool. A holder housing tool includes a first restriction part and a second restriction part. The first restriction part is hooked on one edge portion of an opening part of a holder by being inserted into the opening part. The second restriction part restricts the position of the holder at a position where the first restriction part is hooked by coming into contact with the holder.

Abstract: In a battery, a terminal member includes: a columnar portion; a head portion, outside an outer casing, having a larger diameter than a through hole of a lid; and an umbrella-shaped portion, more inside than a current collecting member, having a larger diameter than a through hole of the current collecting member to closely contact an inside surface thereof. A gasket includes: a plate-shaped portion between the lid and the head portion; and a cylindrical portion between a wall surface of the through hole of the lid and the columnar portion. An insulator includes: a plate-shaped portion between the lid and the current collecting member; and a cylindrical portion between the wall surface of the through hole of the lid and the columnar portion. Leading ends of the cylindrical portions close contact each other between the wall surface of the through hole of the lid and the columnar portion.

Abstract: A battery includes a current collecting member connected to a power generating element housed in an outer casing with a lid, and a rivet placed outside the outer casing. The current collecting member includes a plate-shaped portion placed along the lid. The rivet includes a through part extending through the lid, and a contact part contacting a first surface of the plate-shaped portion. A part of a peripheral end portion of the contact part is joined to the first surface. An edge portion of a non-joined portion of the peripheral end portion, facing the first surface, includes a tapered surface generating a gap smaller at a position closer to the through part. The tapered surface has a maximum size of 0.1 mm or more in a direction from the peripheral end portion to the through part and 0.03 mm or more in a thickness direction of the peripheral end portion.

Abstract: The present invention provides a thermal barrier coated component, monitoring or evaluation of the soundness of which is able to be adequately carried out on the basis of the thermal boundary conditions that are detected by a sensor. A thermal barrier coated component according to the present invention comprises: a base material; a first bond coat layer that is a metal bonding layer formed on the base material; a sensor unit that comprises a sensor and a conductive wire, which are formed on the first bond coat layer; a second bond coat layer that is formed on the first bond coat layer so as to cover at least the sensor unit, while having a surface roughness higher than that of the first bond coat layer; and a top coat layer that is formed on the second bond coat layer.

Abstract: A heat exchanger core according to an embodiment includes: a first header space; a plurality of first layered header passages; a plurality of first communication port rows; and a plurality of first passages. The plurality of first layered header passages are stacked in a perpendicular direction to a reference plane so as to each extend along the reference plane. Each first layered header passage has an open end at a first edge adjacent to the first header space and communicates with the first header space through the open end. The plurality of first communication port rows are arranged in the perpendicular direction so as to correspond to the plurality of first layered header passages, respectively. Each first communication port row is formed by a plurality of first communication ports arranged along the reference plane. The plurality of first passages communicate with any of the first layered header passages through the plurality of first communication ports.

Abstract: A first angle (?1) formed between a second straight line (L2) and a third straight line (L3) is more than 55°. A first length (D1) represents a straight line distance between a first point (A) and a second point (B), and a second length (D2) represents a length of a first electrode core body between the first point (A) and the second point (B). On this occasion, the second length (D2) is 1 time or more and 1.1 times or less as large as the first length (D1).

Abstract: A heat exchanger core includes: a plurality of internal passages; and a header passage communicating with the plurality of internal passages. An inner wall of the header passage has greater surface roughness than passage walls of the plurality of internal passages.

Abstract: Provided is a technique improving assemblability when a sealing plate is attached to an opening of a case body. The battery case disclosed here includes: a case body in bottomed rectangular parallelopiped shape having a substantially rectangular opening; and a sealing plate attached to the opening. The opening of the case body has long side portions, short side portions, R portions, and steps protruding from the inner surfaces of the short side portions. The R portions are each provided with a gradual change region where a shape of each the steps changes to be gradually close to the shape of each of the inner surfaces of the long side portions toward the long side portions.

Abstract: A heat exchanger includes a pipe main body forming a flow path to which a first fluid is supplied, a pair of partition plates defining a closed space, a plurality of heat transfer tubes, a supply portion configured to supply a second fluid into the closed space, a discharge portion configured to discharge the second fluid in the closed space, and a flow path forming portion forming a plurality of small flow path portions between the heat transfer tubes adjacent to each other. The second fluid flows between the plurality of heat transfer tubes in the closed space in a direction opposite to the flow direction of the first fluid. The plurality of small flow path portions are disposed at positions different from each other when viewed from a position where the discharge portion is disposed in an extension direction.

Abstract: An all solid state battery in which positional displacement of a plurality of cells arranged along a thickness direction can be prevented is provided. The all solid state battery includes a plurality of cells connected in series, wherein the all solid state battery includes a cell unit A and a cell unit B, a first current collector A in the cell A and a second current collector B in the cell B are arranged to face each other, the first current collector A includes a tab A, the second current collector B includes a tab B, and the tab A and the tab B are fixed by a fixing portion.

Abstract: A method for manufacturing a cell includes the steps of: preparing a housing portion having an opening; preparing a lid portion that includes a plate portion, a first external terminal located on the plate portion, and a second external terminal located on the plate portion at a position away from the first external terminal; placing the lid portion in the housing portion in such a manner that the plate portion closes the opening; placing a jig on an inter-terminal region of the plate portion that is located between the first external terminal and the second external terminal; and sealing the opening by joining the plate portion with the jig placed thereon and the housing portion together by welding.

Abstract: A main object of the present disclosure is to provide an exterior body wherein the thickness at corner of the convex structure is suppressed from being thinned. The present disclosure achieves the object by providing an exterior body for a laminated battery, and the exterior body comprises a convex structure with a space for enclosing a power generation element, the convex structure includes a top surface, in plan view, the top surface includes a first side, a second side extending in a direction crossing the first side, and a corner C12 connecting the first side and the second side, and in plan view, the corner C12 includes a curved portion 1A, a straight portion L12, and a curved portion 2B, from the first side toward the second side.

Abstract: An additive manufactured object according to at least one embodiment of the present disclosure includes a first base portion made of a metal, and a plurality of wall portions each having a thickness thinner than the first base portion and provided upright on the first base portion so as to be aligned in a wall thickness direction. A first end portion of each of the wall portions is connected to the first base portion via a first connection portion having a width greater than the thickness of each of the wall portions in the wall thickness direction.

Abstract: A heat exchanger according to one embodiment includes: a heat exchange core; a shell provided to surround the heat exchange core; and a first partition wall that is provided in a space surrounded by an outer surface of the heat exchange core and an inner surface of the shell, and partitions the space into a first header space communicating with the heat exchange core and a second header space communicating with the heat exchange core. The first header space and the second header space are adjacent to each other, separated by the first partition wall.

Abstract: A heat exchanger core according to at least one embodiment is provided with: a core body having a plurality of cavity portions forming a plurality of channels inside the core body; and a header including a header passage communicating with the plurality of channels on at least one end side of the core body. The header passage is at least partially located in a region displaced outward from an arrangement area of the plurality of channels in plan view as viewed from a first extension direction of the plurality of channels. The core body has a body side surface extending along the first extension direction at a position closer to the arrangement area than a portion of the header passage that is farthest outward from the arrangement area in the plan view.

Abstract: A heat exchanger includes: a pipe forming a flow path through which a first fluid is fed; a pair of partition plates provided at an interval in an extending direction of the flow path to block the flow path, to partition a closed space at a portion of the flow path; a plurality of heat transfer tubes having a tubular shape with both ends being open, extending so as to penetrate the pair of partition plates, and arranged side by side with intervals therebetween; a feeding part configured to feed a second fluid from an outside of the pipe to the closed space; and a discharging part configured to discharge the second fluid in the closed space to the outside of the pipe.

Abstract: A heat exchanger core includes a core formed such that a pair of adjacent passages are folded on top of one another while being adjacent. At least one passage of the pair of adjacent passages has a pair of adjacent passage portions between which the other passage is not interposed in a direction in which the passages lie on top of one another. The core has a heat insulation layer between the pair of passage portions.

Abstract: In a header of a heat exchanger core, a header passage includes: at least one radial passage extending along a radial direction, and a plurality of circumferential passages branched from each radial passage and communicating with one or more of the axial passages, respectively. The flow passage area of each radial passage is smaller in a second position than in a first position, where the second position is inward of the first position in the radial direction.

Abstract: A heat exchanger for heat exchange between a first fluid and a second fluid is provided with: a body part which is an additive manufactured body and includes a first passage through which the first fluid flows and a second passage through which the second fluid flows; and a covering part attached to the body part. The body part has a first opening portion of the first passage and a second opening portion of the second passage, and the covering part is attached to the body part so as to cover exposure of the first opening portion and the second opening portion.

Abstract: A heat exchanger passage switching device according to an embodiment includes: a communication tube having an internal passage communicating with a heat exchange passage for performing heat exchange inside a heat exchanger, and one or more communication holes communicating with the internal passage; and at least one chamber having an insertion hole into which the communication tube is inserted to slidably support the communication tube inserted in the insertion hole. The communication tube is capable of switching a communication state between the one or more communication holes and the at least one chamber by a relative position of the communication tube to the at least one chamber in an axial direction.