Abstract: A separator for a fuel cell includes multiple main passages configured to face a power generating unit and allow reactant gas to flow through the main passages, a supply-side manifold hole configured to supply the reactant gas toward the main passages, a discharge-side manifold hole configured to discharge the reactant gas from the main passages, multiple supply-side connecting passages that connect the supply-side manifold hole and the main passages to each other, and multiple discharge-side connecting passages that connect the discharge-side manifold hole and the main passages to each other. At least one of the supply-side connecting passages and the discharge-side connecting passages has a protrusion that protrudes toward the power generating unit, the protrusion being partially provided in an extending direction of the connecting passage.

Abstract: A fuel cell stack includes stacked cells. Each of the cells includes a plastic support frame that supports a membrane electrode assembly at a central portion of the support frame, and includes two separators that sandwich the support frame. The support frame and the two separators each have a through-hole that defines a passage through which fluid flows. An outer surface of each of the two separators in the stacking direction includes a rib. The rib protrudes from an outer edge of the separator and from a peripheral edge of the through-hole of the separator. A shape of the rib on one of the two separators is different from a shape of the rib on the other one of the two separators.

Abstract: A fuel cell stack includes stacked cells. Each cell includes a plastic support frame member that supports a membrane electrode assembly, and includes two separators that sandwich the support frame member. The support frame member and the two separators each have a through-hole that extends in a stacking direction of the cells and define a passage through which fluid flows. The support frame member includes a protrusion that protrudes from each separator in at least one of an outer edge of the support frame member and a peripheral edge of the through-hole. The protrusion is sandwiched by plastic frames in the stacking direction together with outer edges of the separators, peripheral edges of the through-holes of the separators, or both the outer edges and the peripheral edges.

Abstract: A seat cover is a skin material of a seat cushion or seatback. The seat cushion or seatback having a first seam allowance and a second seam allowance are sewn together with a first seam line. The first seam allowance is placed at a first end side of a first cover piece, and the second seam allowance is placed at a second end side of a second cover piece. At least one of a first design surface of the first cover piece or a second design surface of the second cover piece is provided with a plurality of stitches at positions crossing the first seam line.

Abstract: A separator for a fuel cell includes multiple gas passages arranged side by side on a facing surface, and multiple cooling passages provided on a cooling surface. Each cooling passage is located between adjacent ones of the gas passages. The gas passages include multiple upstream passages arranged side by side, a merging portion, and a downstream passage that extends from the merging portion. The cooling surface includes a downstream end portion and a groove. The downstream end portion is a section in one of the cooling passages. The section is located between adjacent ones of the upstream passages and at an end portion of the cooling passage on a downstream side in a flow direction of the coolant. The groove connects the downstream end portion to another one of the cooling passages that is adjacent to the downstream end portion with one of the gas passages in between.

Abstract: A locking device for a seat back table for locking a seat back table stored at a storage position at which the seat back table is stored along a back portion of a seat back, the locking device includes a rotary operation member provided on a main body member that is one of the seat back table and the seat back, a first locking member provided on the main body member and connected to the operation member, and a second locking member provided on the main body member and connected to the operation member or the first locking member. When the operation member is rotated in one direction from a predetermined position, the first locking member and the second locking member are rotated in directions opposite to each other and are engaged with a counterpart member that is the other of the seat back table and the seat back.

Abstract: Sleeping equipment includes a mat body and a plurality of air bags. The mat body includes a middle support portion, an upper support portion, and a lower support portion. The mat body is configured to switch between a bed mode and a chair mode. The air bags are arranged in the mat body in a mat length direction from the upper support portion toward the lower support portion. At least a part of the air bags is divided into right and left bag portions in a mat width direction, and the right bag portion and the left bag portion are configured to be independently inflated and deflated.

Abstract: A switch circuit includes a switch element, a control circuit, a supply line, a switch line that connects the switch element in parallel to a parallel part of the supply line, an input line that allows input of a current from the switch line to the control circuit, a first FET and a second FET provided in the parallel part, and a third FET provided in the switch line in parallel to the input line. The second FET includes a body diode having a forward direction opposite to a forward direction of a body diode of the first FET. The third FET includes a body diode having a forward direction coincident with a direction in which a current is supplied to the load via the switch element.

Abstract: Disclosed herein are a fiber-reinforced material and an article made of the same. The fiber-reinforced material includes a fiber assembly and a matrix material coating the fiber assembly, the matrix material is a thermoplastic resin composition obtained by blending a polyolefin resin, a polyamide resin, and a modified elastomer that reacts with the polyamide resin. When a puncture test is performed at a striker speed of 1-4 msec and when a maximum impact force is applied is defined as PM and a deflection at break is defined as PB, PB/PM?4. When the amount of energy absorbed before a maximum impact force is applied is E1, the amount of energy absorbed after a maximum impact force is applied and before break is E2, and a total amount of absorbed energy of E1 and E2 is ET, the ratio of E2:ET is 70% or more.

Abstract: A gear device includes a first gear, a second gear, a third gear, a housing, and a cover. The second gear is offset eccentrically when the first gear is rotated. The third gear is rotated at a speed slower than a rotation speed of the first gear when the second gear is offset eccentrically. The housing accommodates the first gear, the second gear, and the third gear. The cover is attached to the housing. The cover includes a deformation resistance portion that limits deformation of the cover in an axial direction of the third gear.

Abstract: A cover for an internal combustion engine is configured to be attached to an engine main body so as to cover a timing chain or a timing belt. The cover for the internal combustion engine includes insertion holes configured to receive a crankshaft or a camshaft. The cover for the internal combustion engine includes a first member made of a hard plastic and a second member made of a material different from the hard plastic. The first member is produced by insert molding with the second member embedded in the first member. A periphery of at least one of the insertion holes in the second member includes a joint surface that is joined to the first member. The joint surface includes annular grooves surrounding the insertion hole, the annular grooves being arranged in a radial direction of the insertion hole.

Abstract: Provided is a storage mechanism for a seat table enabling improved handleability at the time of storage with a relatively simple configuration. One aspect of the present disclosure is a storage mechanism for a seat table used by combination with a seat. The storage mechanism for the seat table includes a held portion provided to the seat table, and a holding portion provided to a storage portion where the seat table is stored. The held portion includes at least one attracted magnet. The holding portion includes at least one attracting magnet attracting the at least one attracted magnet, and at least one repelling magnet repelling the at least one attracted magnet.

Abstract: There is provided a pallet reversing apparatus for a conveyor that conveys a pallet including a die having a front surface and a back surface. The pallet reversing apparatus for the conveyor includes: a rotating unit that rotates the pallet with respect to a conveyance direction via a shaft provided at a center of the pallet; and a hooked portion provided at one end of the shaft. The rotating unit is provided on one side of a rotation shaft of a head or a tail of the conveyor, and rotates in synchronization with the rotation shaft. The rotating unit includes a hook portion configured to rotate with respect the conveyance direction. The rotating unit rotates the hook portion by 180 degrees in a state of hooking the hook portion to the hooked portion, so that the pallet is reversed with respect to the conveyance direction.

Abstract: There is provided a seat including: a seat shell that supports a seated person; and a cushion body for cushioning, provided on a seating surface of the seat shell. The seat shell includes an opening penetrating the seating surface. The cushion body includes a ventilation portion whose front surface has a ventilation property and a low-ventilation portion whose front surface has an inferior ventilation property than the ventilation portion, the ventilation portion and the low-ventilation portion being arranged side by side along the seating surface. The ventilation portion and the opening are provided side by side along the seating surface without the low-ventilation portion interposed between the ventilation portion and the opening.

Abstract: A vehicle seat including a pipe frame formed in the shape of a hollow rectangle constituting a part of a sitting portion, a pair of side frames respectively attached to a left side and a right side of the pipe frame to connect the pipe frame to a structural member of a vehicle, a cross bracket attached to rear regions of the pair of side frames to connect between the pair of side frames in a lateral direction, and a bottom cover disposed to cover the underside of the pipe frame, in which a rear portion of the bottom cover is attached to the cross bracket, and a front portion of the bottom cover is attached to the pipe frame.

Abstract: A vehicle interior structure, includes: a first fixing part provided, at a fixed interval, at at least one of a side part extending in a vehicle front-rear direction of a vehicle cabin or a floor part extending in the vehicle front-rear direction of the vehicle cabin; and a module that is attachable and detachable relative to the first fixing part, the module having a removal direction that is orthogonal to the vehicle front-rear direction, and in-plane with the floor part or the side part.

Abstract: Provide is a vehicle seat capable of inhibiting rattling of a seat cushion provided with a lifting device. One embodiment of the present disclosure is a vehicle seat including a lifting device for a seat cushion. The lifting device includes a pinion gear, a sector gear engaged therewith, a link rotating, together with the sector gear, with respect to the cushion frame, and a rubber member attached to the cushion frame. The link is displaced between a first position where a position of the seat cushion is lowest and a second position where the position of the seat cushion is highest. When the link is at the first position, or at the second position, or in a region between the first position and the second position, the rubber member is brought in pressure contact with the sector gear along a direction intersecting a rotational axis of the sector gear.

Abstract: In a structure in which a lower arm is fixed to a vehicle, provided is a vehicle seat that can reduce an impact applied to a recliner. One aspect of the present disclosure is a vehicle seat including a lower arm and a recliner. The lower arm includes an arm body to which the recliner is attached, a first fixing portion to be attached to the vehicle in a lower position, and a second fixing portion attached to the vehicle in a rear position. The arm body includes a first recess arranged between the recliner and the first fixing portion in an up-down direction, the first recess extending from an edge of the arm body, and a second recess arranged between the recliner and the second fixing portion in a front-rear direction, the second recess extending from the edge of the arm body.

Abstract: Provided is a method for producing metal nanoparticles, which enables metal nanoparticles to be more conveniently produced. The method for producing metal nanoparticles includes spraying and drying a mixture to form metal nanoparticles, the mixture containing a metal salt and at least one solvent selected from alcohols having 1 or more and 5 or less carbon atoms.

Abstract: A seat pad having a pad body made of a polyurethane foam molding, a ventilation passage extending along a pad back surface of the pad body, a duct member which is harder than the pad body forming an inner peripheral wall of the ventilation passage, and a back surface member provided along the pad back surface. The duct member and the back surface member are integrally foam-molded with the pad body. The back surface member has an overlapping portion which is not provided on a bottom surface of the ventilation passage but is provided so as to overlap the duct member in the direction perpendicular to the plane in a non-bottom area outside the bottom surface.