Abstract: A fuel cell array comprising a plurality of serially connected fuel cell units. A respective fuel cell unit comprises a fuel cell and a tubular cap capped on each end of the fuel cell. The fuel cell unit further comprises an electrically conductive terminal layer forming an outermost laminate of the fuel cell in one end of the fuel cell and extending in the longitudinal direction from the one end of the fuel cell toward the other end thereof to terminate past a tubular skirt of the tubular cap to form a connection area. The terminal layer is directly laminated on the fuel electrode layer in a fuel electrode layer exposition area and directly laminated on the solid electrolyte layer in a solid electrolyte layer exposition area. The fuel cell unit further comprises a grass material forming a sealing layer circumferentially around the fuel cell to fill between the inner surface of the tubular cap and the outer surface of the fuel cell.

Abstract: A torsional vibration damper includes a planetary rotary unit and an elastic body that couples two rotary elements of three rotary elements so that the two rotary elements can rotate relatively to each other. The torsional vibration damper includes a shaft supporting member by which a rotation center axis of at least any one rotary element of the two rotary elements and a rotation center axis of the rotary element other than the planetary rotary unit and the two rotary elements are held on the same axis. The shaft supporting member has a holding section that is disposed in a position between fellow planetary rotary elements and not making contact with the planetary rotary elements and that fits with and thereby suppresses movement of the rotary element other than the planetary rotary unit and the two rotary elements in the axial direction.

Abstract: A torsional vibration damping device that prevents an increase in an inertial torque due to resonance without reducing a mass of an inertial mass member. A torque of an engine is delivered to a first rotary element of a planetary unit. The torsional vibration damping device damps pulsation of the torque of the engine to be delivered to the transmission by an inertial torque generated by a rotation of the third rotary element resulting from a relative rotation between the first rotary element and the second rotary element caused by the pulsation of the engine torque. The torsional vibration damping device comprises: a connection member rotated integrally with the first rotary element; an intermediate member rotated integrally with the second rotary element; an output member delivering torque to the transmission; a first elastic member connecting the connection member to the intermediate member; and a second elastic member connecting the intermediate member to the output member.

Abstract: A torsional vibration damper having enhanced vibration damping performance is provided. The torsional vibration damper comprises: a vacant area existing between an outer circumference of the sun gear and an inner circumference of the ring gear outside of a revolving range of the planetary gears revolved as a result of relative rotation between the sun and the ring gear; and a mass increasing portion that is formed on the rotary member other than an input element and an output element within the vacant area in such a manner as to protrude from the rotary member.

Abstract: A torsional vibration damper in which a mass may be fitted easily into a chamber is provided. In the rotary disc, an insertion hole is formed integrally with the chamber. An opening diameter of the insertion hole is larger than an outer diameter of a flange plate of the mass, and an opening width at a boundary between the insertion hole and the chamber is larger than an outer diameter of a trunk of the mass. The retainer comprises a restricting portion that restricts an oscillating range of the mass in the chamber.

Abstract: A tractor includes a vehicle body, an engine, a cooling device, a fan, and a first exterior member. The engine is disposed on the front side of the vehicle body. The cooling device is disposed behind the engine. The fan is arranged to produce cooling air for the cooling device. The first exterior member is disposed on the front side of the vehicle body and covers the engine, the cooling device, and the fan. A first discharge port is arranged to discharge the cooling air and is provided in a first side surface of the first exterior member. The front side surface is positioned on a first side in the vehicle left-right direction. The front surface of the first exterior member includes no opening.

Abstract: A torsional vibration damper having enhanced vibration damping performance is provided. The torsional vibration damper comprises: a vacant area existing between an outer circumference of the sun gear and an inner circumference of the ring gear outside of a revolving range of the planetary gears revolved as a result of relative rotation between the sun and the ring gear; and a mass increasing portion that is formed on the rotary member other than an input element and an output element within the vacant area in such a manner as to protrude from the rotary member.

Abstract: According to an embodiment, a nuclear fuel material recovery method of recovering a nuclear fuel material containing thorium metal by reprocessing an oxide of a nuclear fuel material containing thorium oxide in a spent fuel is provided. The method has: a first electrolytic reduction step of electrolytically reducing thorium oxide in a first molten salt of alkaline-earth metal halide; a first reduction product washing step of washing a reduction product; and a main electrolytic separation step of separating the reduction product. The first molten salt further contains alkali metal halide, and contains at least one out of a group consisting of calcium chloride, magnesium chloride, calcium fluoride and magnesium fluoride. The method may further has a second electrolytic reduction step of electrolytically reducing uranium oxide, plutonium oxide, and minor actinoid oxide in a second molten salt of alkali metal halide.

Abstract: According to an embodiment, a nuclear fuel material recovery method of recovering a nuclear fuel material containing thorium metal by reprocessing an oxide of a nuclear fuel material containing thorium oxide in a spent fuel is provided. The method has: a first electrolytic reduction step of electrolytically reducing thorium oxide in a first molten salt of alkaline-earth metal halide; a first reduction product washing step of washing a reduction product; and a main electrolytic separation step of separating the reduction product. The first molten salt further contains alkali metal halide, and contains at least one out of a group consisting of calcium chloride, magnesium chloride, calcium fluoride and magnesium fluoride. The method may further has a second electrolytic reduction step of electrolytically reducing uranium oxide, plutonium oxide, and minor actinoid oxide in a second molten salt of alkali metal halide.

Abstract: A torsional vibration damper in which noise and vibrations in a planetary gear unit are suppressed is provided. In a planetary gear unit, as an inertial element is oscillated to establish an inertial torque by a relative rotation between a sun gear and a ring gear. Pinion gears are interposed between the sun gear and the ring gear at predetermined intervals, and gear dimensions of one of the pinion gears and gear dimensions of another one of the pinion gears are different from each other.

Abstract: A torque converter that is downsized in an axial direction utilizing existing space is provided. A pump impeller, a turbine runner, a lockup clutch, an elastic damper, and a planetary unit are held in a housing. A torsional vibration damping device is arranged concentrically with the lockup clutch. An input element is arranged concentrically with the lockup clutch while being connected to the lockup clutch and a drive member. An output element is connected to a driven member.

Abstract: A torsional vibration damper having enhanced damping performance is provided. A first gear held in the holding member includes a first engagement member situated in an opposite side of a fluid coupling and a second engagement member situated between a holding member and the fluid coupling. A second gear is meshed with the first engagement member, and a third gear is meshed with the second engagement member. The second gear is integrated with the input member, the third gear is integrated with the inertial mass, and the holding member is integrated with the output member.

Abstract: A deflector structure for a sunroof device includes: a thinned-cloth member (6) having a lower side connectedly fixed to a front frame (11), the thinned-cloth member being configured to be stretchedly developed to regulate a traveling air while a roof is opened and to be foldedly stored while the roof is closed; and a storage guide member (14) configured to guide folding motion of the thinned-cloth member (6). The storage guide member (14) includes: a front-side first upright wall (15) and a rear-side second upright wall (16) provided upright on the front frame (11) at the rear of a fixation portion of the front frame (11) and the thinned-cloth member (6); and a guide wall (17) formed on an upper holder (7) along a rear surface of an upper portion of the thinned-cloth member stretchedly developed. Thereby, a folded shape of the thinned-cloth member (6) is stabilized.

Abstract: A slip ring device (5) includes ring members (10a-10c) that rotate along with an input shaft, and brushes that contact the ring members (10a-10c). The ring members (10a-10c) have surfaces (11a-11c) that contact the brushes, and a plurality of dimples are formed upon these surfaces (11a-11c).

Abstract: A deflector structure for a sunroof device includes: a thinned-cloth member (6) having a lower side connectedly fixed to a front frame (11), the thinned-cloth member being configured to be stretchedly developed to regulate a traveling air while a roof is opened and to be foldedly stored while the roof is closed; and a storage guide member (14) configured to guide folding motion of the thinned-cloth member (6). The storage guide member (14) includes: a front-side first upright wall (15) and a rear-side second upright wall (16) provided upright on the front frame (11) at the rear of a fixation portion of the front frame (11) and the thinned-cloth member (6); and a guide wall (17) formed on an upper holder (7) along a rear surface of an upper portion of the thinned-cloth member stretchedly developed. Thereby, a folded shape of the thinned-cloth member (6) is stabilized.

Abstract: There is provided a vibration damper which is capable of damping torsional vibrations by pendulum movement of a plurality of inertial masses, and damping vibrations of plurality of order without letting the inertial masses to interfere. A distance between a center of curvature of an inner surface of a first through-hole and a center of curvature of an inner surface of a second through-hole formed in a rotary member is shorter than a distance between a center of curvature of an inner surface of a fifth through-hole and a center of curvature of an inner surface of a sixth through-hole formed in a first inertial mass. Moreover, a distance between a center of curvature of an inner surface of a third through-hole and a center of curvature of an inner surface of a fourth through-hole in a rotary member is longer than a distance between a center of curvature of an inner surface of a seventh through-hole and a center of curvature of an inner surface of an eighth through-hole formed in a second inertial mass.

Abstract: Disclosed is a durable solid oxide fuel cell that is less likely to have a problem of a conventional solid oxide fuel cell that an air electrode containing a peroviskite oxide, when exposed to a reducing atmosphere, is separated at the stop of operation, especially shutdown. The solid oxide fuel cell includes an air electrode that is obtained by firing a compact containing a perovskite oxide and sulfur element. The content of the sulfur element in the air electrode as fresh after firing or before the start of power generation is in the range of 50 ppm to 3,000 ppm. The separation of the air electrode is effectively suppressed at the shutdown operation.

Abstract: A vehicle lighting fixture can reduce the parts number to reduce the cost as well as achieve weight reduction. The vehicle lighting fixture can include an LED having an optical axis, an ADB reflector configured to hold the LED, and a bracket configured to hold and fix the ADB reflector so that the ADB reflector can rotate around a boss of the bracket parallel to the optical axis of the LED. The ADB reflector can include a hook, and the bracket can have a guiding hole formed therein, so that the hook is engaged with the guiding hole. The ADB reflector can have an elongated screw-insertion hole formed therein, and the bracket can include a screw boss formed therein. The ADB reflector can be fixed to the bracket by screwing, into the screw boss of the bracket, a screw to be inserted to the screw-insertion hole.

Abstract: A torsional vibration damper having enhanced vibration damping performance is provided. The torsional vibration damper comprises: a vacant area existing between an outer circumference of the sun gear and an inner circumference of the ring gear outside of a revolving range of the planetary gears revolved as a result of relative rotation between the sun and the ring gear; and a mass increasing portion that is formed on the rotary member other than an input element and an output element within the vacant area in such a manner as to protrude from the rotary member.

Abstract: According to an embodiment, a nuclear fuel material recovery method of recovering a nuclear fuel material containing thorium metal by reprocessing an oxide of a nuclear fuel material containing thorium oxide in a spent fuel is provided. The method has: a first electrolytic reduction step of electrolytically reducing thorium oxide in a first molten salt of alkaline-earth metal halide; a first reduction product washing step of washing a reduction product; and a main electrolytic separation step of separating the reduction product. The first molten salt further contains alkali metal halide, and contains at least one out of a group consisting of calcium chloride, magnesium chloride, calcium fluoride and magnesium fluoride. The method may further has a second electrolytic reduction step of electrolytically reducing uranium oxide, plutonium oxide, and minor actinoid oxide in a second molten salt of alkali metal halide.