Abstract: A muffler comprises an outer shell, an outlet pipe, and a restraining mechanism. A restraining mechanism restrains a height of spout of a liquid that flows inside the outlet pipe through a designated vent hole, the designated vent hole is at least one vent hole facing against a bottom surface of the outer shell among the at least one vent hole that the outlet pipe comprises.

Abstract: Provided is a muffler comprising: an outer shell; an outlet pipe, which is formed into a tubular shape containing a pair of open end-parts and is comprising an inlet port, wherein one of the open end-parts and the inlet port are arranged inside the outer shell; a valve body formed into a plate-like shape to cover the inlet port from the inside of the outlet pipe; an axis member that pivotally supports the valve body to the outlet pipe so that the valve body pivots inside the outlet pipe; and a biasing member that applies a biasing force in the radial direction of the outlet pipe to the valve body so as to occlude the inlet port.

Abstract: An exhaust gas heat recovery device of the present invention recovers heat of an exhaust gas from an internal combustion engine. The exhaust gas heat recovery device includes an exhaust pipe that leads the exhaust gas from an upstream side to a downstream side, a cylindrical shell that covers an outside of the exhaust pipe, and an exhaust gas heat recovery section that is interposed between the exhaust pipe and the cylindrical shell and that performs heat exchange between the exhaust gas and a heat exchange medium. The exhaust gas heat recovery section includes a stacked body that is composed by stacking a plurality of jacket each having a heat exchange medium conduit provided thereinside. In the stacked body, the respective heat exchange medium conduits in the plurality of jacket parts are serially connected to each other.

Abstract: An exhaust pipe that forms an exhaust flow channel includes a first flow channel member that forms part of the exhaust flow channel, and a second flow channel member connected in series with the first flow channel member, and forms part of the exhaust flow channel. A downstream-side end of the first flow channel member is inserted into an upstream-side end of the second flow channel member. A communication channel that communicates between an inside and an outside of the exhaust pipe is formed between an outer surface of an insertion part of the first flow channel member and an inner surface of an insertion-receiving part of the second flow channel member. The insertion-receiving part is arranged to face higher than a horizontal direction.

Abstract: An exhaust gas purification device comprises a catalyst disposed to the exhaust-gas flow path, and an inhibiting member that is disposed downstream of the catalyst in the exhaust-gas flow path, and diminishes a bias in flow-rate distribution of exhaust gases that flow into the catalyst by inhibiting a partial flow of the exhaust gases that flowed out of the catalyst, wherein the inhibiting member comprises a concave part comprising a concave shape facing the catalyst, and inhibits, by the concave part, a partial flow of the exhaust gases that flowed out of the catalyst.

Abstract: A restraint for a group-cell includes a main-body part and a shunt part. The main-body part is provided at one end-side of the group-cell in an arrangement direction in which battery cells are arranged. The shunt part extends from the main-body part towards an other end-side of the group-cell in the arrangement direction to form a shunt space between the shunt part and a portion of the group-cell provided at the one end-side in the arrangement direction, wherein an aperture to let in a coolant is formed at the one end-side in the arrangement direction as viewed from the shunt space.

Abstract: A battery case comprises: a first casing member; a second casing member to form a closed space together with the first casing member; a foam material provided along an inner wall surface of the closed space; and a reinforcing member provided in the closed space so as to hold the foam material between the reinforcing member and the inner wall surface.

Abstract: A catalytic converter comprises: a catalyst carrier that purifies exhaust gases from an internal combustion engine; and a catalyst housing tube that houses the catalyst carrier. The catalyst housing tube comprises: an inlet-side conical part that comprises an exhaust-gas inlet, an inner diameter of the inlet-side conical part increasing as a distance from the exhaust-gas inlet increases; a tube part that comprises the catalyst carrier arranged therein; and, an outlet-side conical part that comprises an exhaust-gas outlet, an inner diameter of the outlet-side conical part increasing as a distance from the exhaust-gas outlet increases. A conical inner tube is further provided inside the inlet-side conical part, a diameter of the conical inner tube being smaller than that of the inlet-side conical part, and, the inlet-side conical part and the conical inner tube form a double structure upstream of the catalyst carrier.

Abstract: A heating device for hot stamping is configured to heat a plated metallic material while conveying the plated metallic material. The heating device for hot stamping comprises: a first heating tank provided in a conveyance path for the plated metallic material; and a second heating tank provided downstream of the first heating tank in the conveyance path. A heating amount provided by the second heating tank is configured such that a temperature of the plated metallic material becomes equal to or higher than Ac3 point and less than a boiling point of a plating of the plated metallic material, and a heating amount provided by the first heating tank is configured to be larger than the heating amount provide by the second heating tank.

Abstract: A heat exchanger allows efficient heat exchange between a first fluid and a second fluid which flows inside the heat exchanger. A heat exchanger includes a heat exchanger main body housed inside a case where a first fluid flows and which houses a second fluid therein. The heat exchanger main body has a plurality of first passages such that the first fluid flows across the inside of the heat exchanger main body. In a side view from one direction, the heat exchanger main body has a shape that is left-right symmetric about the central axis of the case and of which the upstream side protrudes farther in the upstream direction toward the center. The first passages extend parallel to the central axis of the case, and are formed to be longer as they are disposed closer to the center of the heat exchanger main body.

Abstract: An exhaust gas purification device includes: a catalyst downstream from an enlarged diameter flow path in an exhaust gas flow path; a diffusing member upstream from the enlarged diameter flow path in the exhaust gas flow path and that causes exhaust gas that has flowed in from upstream to flow out so that said exhaust gas diffuses toward the enlarged diameter flow path; a supply device that supplies a reducing agent upstream from the diffusing member in the exhaust gas flow path; and a guiding member upstream from the diffusing member either at a flow mixing position in the exhaust gas flow path where the reducing agent and the exhaust gas mix or at a position downstream from the flow mixing position, and that splits the flow of the reducing agent that has flowed in from upstream into a plurality of flows and guides said flows toward the diffusing member.

Abstract: An exhaust gas purifying device includes a cylindrical shell, a flow channel pipe, and a lid member. The pipe is connected to the shell along a radial direction of the shell. The shell is a member that is formed in a cylindrical shape having a pair of open ends, and in which exhaust gases flow. The shell has at least one shell-side fitting groove that is formed at one of the ends, and in which the pipe is fittable. The lid member is a member that closes the one of the pair of ends of the shell, and has at least one lid-side fitting groove that is formed at a position facing the at least one shell-side fitting groove, and in which the pipe is fittable. The at least one shell-side fitting groove and the at least one lid-side fitting groove fit the pipe therein by holding the pipe therebetween.

Abstract: In an exhaust heat recovery device, exhaust gas flows out from a heat exchange outflow port into a heat exchange passage, the exhaust gas having flowed out into the heat exchange passage flows in a radial direction from an inner side to an outer side of a heat exchanger to reach a second heat exchange passage from a first heat exchange passage, and a heat exchange is performed in the heat exchanger while the exhaust gas flows.

Abstract: An exhaust valve structure includes: an inner cylindrical portion that forms an introducing passage of exhaust gas and that has a stay member; a valve element that closes or opens the introducing passage; and a wire mesh that is fixed to the stay member and that contacts the valve element when the introducing passage is closed. The wire mesh is formed in a shape such that a diameter of the wire mesh gradually increases toward a downstream side of the introducing passage and a load exerted on the stay member when the valve element contacts the wire mesh is distributed in a diameter-increasing direction in which the diameter of the wire mesh increases.

Abstract: An exhaust device includes: an exhaust manifold, an upstream-side cone of a catalyst, an exhaust gas sensor, an outer shell, and a sensor chamber. Between the upstream-side cone and the outer shell, an inflow channel is formed. The inflow channel has an opening that opens inside the exhaust manifold so as to communicate with the sensor chamber.

Abstract: Provided is an exhaust treatment device including a cylindrical shell into which an exhaust gas is introduced, and a flow channel pipe that penetrates through the cylindrical shell. One end of the flow channel pipe is connected to an exhaust-gas flow path of an internal combustion engine, and the exhaust gas is introduced into the cylindrical shell via the flow channel pipe. A pair of through holes, in which the flow channel pipe is disposed, are provided in a pipe wall of the cylindrical shell. A lid member configured to occlude one of the through holes is welded to the other end of the flow channel pipe so as to occlude an opening in the other end. The lid member is welded to the pipe wall so that the one of the pair of through holes is occluded by the lid member.

Abstract: An exhaust manifold to be connected to an internal combustion engine with a plurality of exhaust ports in the present invention includes a first upper shell member, a second upper shell member, and a lower shell member. The first upper shell member and the lower shell member are superposed on each other to thereby form a first flow passage to be connected to at least one exhaust port out of the plurality of exhaust ports. The second upper shell member is superposed on the lower shell member with the first upper shell member sandwiched therebetween such that at least a part of the first upper shell member is exposed, to thereby form a second flow passage to be connected to another at least one exhaust port out of the plurality of exhaust ports.

Abstract: A muffler for an internal combustion engine includes an outer shell, an inlet pipe, an outlet pipe, and at least one constricted part. The at least one constricted part is provided in at least one of the inlet pipe and the outlet pipe on an open side thereof opening toward an inside of the outer shell. The at least one constricted part has a cross-sectional area smaller than a cross-sectional area of the at least one of the inlet pipe and the outlet pipe, which is provided with the at least one constricted part.

Abstract: An exhaust gas purifying device includes a cylindrical shell, a flow channel pipe, and a lid member. The pipe is connected to the shell along a radial direction of the shell. The shell is a member that is formed in a cylindrical shape having a pair of open ends, and in which exhaust gases flow. The shell has at least one shell-side fitting groove that is formed at one of the ends, and in which the pipe is fittable. The lid member is a member that closes the one of the pair of ends of the shell, and has at least one lid-side fitting groove that is formed at a position facing the at least one shell-side fitting groove, and in which the pipe is fittable. The at least one shell-side fitting groove and the at least one lid-side fitting groove fit the pipe therein by holding the pipe therebetween.

Abstract: A ceramic heater includes a ceramic resistor, at least one metallic film, and at least one foam metal member. The at least one metallic film is formed on at least one surface, of the ceramic resistor, which is assigned as at least one electrode plane. The at least one foam metal member is formed in a plate-like shape. The at least one foam metal member covers and is attached to the at least one metallic film.