Abstract: Provided is a C/C composite having a long life in an environment including a heating process and a cooling process and having less adverse effects on surrounding facilities and the quality of treatment objects. A C/C composite in which, in measurement for open pores by mercury porosimetry, an open porosity for open pores with a radius of not less than 0.4 ?m and less than 10 ?m in the C/C composite is 2.0% or less.

Abstract: A heat treatment furnace jig having a box-like frame including a rim part and a bottom part, the bottom part being removable from the rim part, and a removable net of woven strands disposed in the box-like frame and supported from below by the bottom part. The net has a triaxial weave of strands, each strand having a bundle of carbon fibers that are aligned without twisting, wherein, among the woven strands, strands of at least one direction are held by two strands in another direction, and the net is impregnated with a matrix material.

Abstract: The present invention improves the strength of the bottom (net) of the jig and makes it more difficult and unlikely for deviation of the mesh to occur. A workpiece is loaded on the net (2) of the heat treat furnace jig (hereinafter, heat treatment furnace jig). In the net (2), a first strand (10), a second strand (20) and a third strand (30) are in contact at a contact point (X1). Near the contact point (X1), the second strand (20) overlaps the first strand (10) from above and the third strand (30) overlaps the first strand (10) from below. As a result, the first strand (10) is held between the second strand (20) and the third strand (30) in the up/down directions.

Abstract: A high-temperature gas reactor control rod is provided that does not degrade the joining state between the control rod elements even when stress is applied thereto, and that can improve the safety of the high temperature gas reactor remarkably by improving the heat resistance thereof. The high-temperature gas reactor control rod has a plurality of control rod elements (1) each having a neutron absorber (7) between an outer cylinder (9) and an inner cylinder (8) that form a double cylindrical tubular shape, the control rod elements (1) joined to each other in a vertical direction, characterized by: a columnar support member (2) for supporting at least the neutron absorber (7), disposed in the inner cylinder (8); and joining means for joining to another control rod element (1), provided at least one of upper and lower ends of the support member (2).

Abstract: The present invention improves the strength of the bottom (net) of the jig and makes it more difficult and unlikely for deviation of the mesh to occur. A workpiece is loaded on the net (2) of the heat treat furnace jig (hereinafter, heat treatment furnace jig). In the net (2), a first strand (10), a second strand (20) and a third strand (30) are in contact at a contact point (X1). Near the contact point (X1), the second strand (20) overlaps the first strand (10) from above and the third strand (30) overlaps the first strand (10) from below. As a result, the first strand (10) is held between the second strand (20) and the third strand (30) in the up/down directions.

Abstract: A purpose is to provide a tray for oil quenching heat treatment furnaces that can inhibit oil infiltration to reduce adverse effects on the quality of the workpiece and also can make lightweight design of the tray possible. Provided is a tray including a carbon material and being capable of placing a workpiece thereon for oil quenching of the workpiece, characterized in that the cumulative pore volume of pores with a pore radius of greater than or equal to 1 ?m is less than or equal to 40 mm3/g in the carbon material. The carbon material is desirably such that a C/C composite is impregnated with a thermosetting resin and burned.

Abstract: A carbon crucible (1) has a structure including a straight trunk portion (9) and a tray portion (10) vertically separated from each other. The straight trunk portion (9) is made of a carbon fiber-reinforced carbon composite material and the tray portion (10) is made of graphite. An upper end face of the tray portion (9) is provided with a step portion (11) having an outer circumference-side region that is higher relative to an inner circumference-side region thereof. The straight trunk portion (9) is fitted to the step portion (11), and in the straight trunk portion (9) and the step portion (9) that are fitted to each other, a gap is provided between an inner circumferential surface (11a) of the step portion (11) and an outer circumferential surface (9a) of the straight trunk portion (9). The gap is preferably from 0.1% to 1.0% of the diameter of the straight trunk portion.

Abstract: A navigation apparatus, including a map data acquiring means 11a, 11, 12, and 5 for acquiring map data including car pool lane data, a current position determining means 13, 14, 15, and 10 for determining a current position, and a display unit 2 for generating and displaying a map of an area in a neighborhood of the determined current position on the basis of the acquired map data, is provided with a road information receiving means 16 for receiving road information in real time from outside the apparatus, a control unit 10 for, when the road information received by the road information receiving means shows that a traffic congestion has occurred in a highway in a traveling direction, judging whether a car pool lane is also provided in the highway on the basis of the map data acquired by the map data acquiring means, and an output means 2 and 4 for outputting a message showing whether or not there exists a car pool lane according to the result of the judgment by the control unit.

Abstract: An object of the present invention is to provide a navigation device and a navigation method with which a site where an electric vehicle can be charged after arrival at the destination can be previously recognized before arriving at a destination. A navigation device used in the electric vehicle has a current position detector, an instruction input unit, and a route calculator. The current position detector acquires a current position. A destination is input by the instruction input unit. The route calculator searches for a route from the current position acquired by the current position detector, via the destination input by the instruction input unit, to a post-arrival chargeable site where a battery of the electric vehicle can be charged after arrival at the destination.

Abstract: A navigation apparatus includes a route searching unit 130 for performing both a route search with car pool lanes being made usable between a current position detected by a current position detecting unit and a destination inputted by an input means, and a route search with car pool lanes being made unusable, a display means 2 for displaying either a route which uses a car pool lane or a route which does not use any car pool lane on the basis of route data showing the routes acquired through the route searches by the route searching unit, and a control unit 10 for switching between the route which uses a car pool lane and the route which does not use any car pool lane to display either of them on the display means according to an instruction inputted by the input means.

Abstract: A car navigation apparatus includes an intersection searching means 14 for searching for intersections in a vicinity of the current position of a vehicle from intersections which exist on a searched route and which exist between the current position and a destination, an intersection name outputting means 15 for outputting the names of the searched intersections, an intersection selecting means 17 for selecting an intersection from the intersection names outputted, an facility searching means 18 for searching for facilities which exist in a vicinity of the intersection selected through the map data, a facility name outputting means 19 for outputting the names of the searched facilities, a facility selecting means 20 for selecting a facility from the facility names outputted, and a facility information outputting means 21 for extracting facility information about the selected facility from the map data, and for outputting the facility information.

Abstract: A navigation apparatus includes a display means 2 for displaying either a route using a car pool lane or a route not using the car pool lane, an input means 3 and 210 for inputting a command, and a control unit 10 for switching from the route using the car pool lane, which is displayed by the display means, to the route not using the car pool lane or vice versa according to a command inputted from the input means.

Abstract: A car navigation apparatus includes an intersection searching means 14 for searching for intersections in a vicinity of the current position of a vehicle from intersections which exist on a searched route and which exist between the current position and a destination, an intersection name outputting means 15 for outputting the names of the searched intersections, an intersection selecting means 17 for selecting an intersection from the intersection names outputted, an facility searching means 18 for searching for facilities which exist in a vicinity of the intersection selected through the map data, a facility name outputting means 19 for outputting the names of the searched facilities, a facility selecting means 20 for selecting a facility from the facility names outputted, and a facility information outputting means 21 for extracting facility information about the selected facility from the map data, and for outputting the facility information.

Abstract: A navigation device includes a route searching unit for searching for a whole route leading to a destination via waypoints set by a setting unit, a route guidance unit for carrying out route guidance according to the whole route, an output unit for outputting a message showing that a vehicle has deviated from a route leading to a first next waypoint toward which the vehicle has been heading when the route guidance unit determines that the vehicle has deviated from the route to a predetermined distance or more and is traveling along a route after the first next waypoint, and an input unit for inputting a command indicating whether or not to travel via the first next waypoint in response to the message outputted by the output unit.

Abstract: A navigation apparatus includes a map data acquiring means 11a, 11, 12, and 5 for acquiring map data including data about roads for which whether or not a car pool lane is also provided is specified; a current position determining means 13, 14, 15, and 10 for determining a current position; and a route searching unit 130 for searching for a route from the current position determined by the current position determining means to a destination inputted by an input unit on the basis of the map data acquired by the map data acquiring means, and for, when a road where a car pool lane is also provided is included in a route acquired through the route search, presenting, as a recommended route, the route using the car pool lane if the distance over which the road will be traveled is equal to or longer than a predetermined value.

Abstract: A C/C composite material and a method of manufacturing the same are provided that can improve the thermal conductivity in a stacking direction at room temperature while at the same time improving the flexural strength and the interlaminar shear strength. A C/C composite material includes a laminated material having two or more layered materials (1) laminated on one another, each of the layered materials (1) having a felt (10) and carbon fiber unidirectional cloths (11), (12), and contains a matrix component made of a vapor-phase pyrolytic carbon inside the laminated material. The extending direction of the carbon fibers in the carbon fiber unidirectional cloth (11) is arranged to be at a right angle to the extending direction of the carbon fibers in the carbon fiber unidirectional cloth (12), and the carbon fibers of the felt (10) are disposed in the stacking direction of laminated material by needle punching.

Abstract: A high-temperature gas reactor control rod is provided that does not degrade the joining state between the control rod elements even when stress is applied thereto, and that can improve the safety of the high temperature gas reactor remarkably by improving the heat resistance thereof. The high-temperature gas reactor control rod has a plurality of control rod elements (1) each having a neutron absorber (7) between an outer cylinder (9) and an inner cylinder (8) that form a double cylindrical tubular shape, the control rod elements (1) joined to each other in a vertical direction, characterized by: a columnar support member (2) for supporting at least the neutron absorber (7), disposed in the inner cylinder (8); and joining means for joining to another control rod element (1), provided at least one of upper and lower ends of the support member (2).

Abstract: A navigation apparatus includes a route searching unit 130 for, when including a road where a car pool lane is also provided in a recommended route at a time of searching for a route from a current position determined by a current position determining means to a destination inputted by an input unit on the basis of map data acquired by a map data acquiring means, calculating a distance to be traveled according to the number of lanes which are crossed at the time of an entry to the car pool lane and at the time of an exit from the car pool lane, and then determining the recommended route in such a way that the recommended route uses an entrance and an exit of the car pool lane each of which is located at a location dependent upon the calculated distance.

Abstract: A navigation apparatus includes a route searching unit 130 for searching for a route from a current position determined by a current position determining means to a destination inputted by an input unit on the basis of map data acquired by a map data acquiring means, and for, when a road where a car pool lane is also provided is included in a route acquired through the route search, presenting, as a recommended route, the route using the car pool lane if the distance from an entrance of the road to an entrance of the car pool lane is equal to or longer than a predetermined value, or if the distance from an exit of the car pool lane to an exit of the road is equal to or longer than a predetermined value.

Abstract: A navigation apparatus includes a map data acquiring means 11a, 11, 12, and 5 for acquiring map data including car pool lane data, a current position determining means 13, 14, 15, and 10 for determining a current position, and a display unit 2 for generating and displaying a map of an area surrounding the current position determined by the current position determining means on the basis of the map data acquired by the map data acquiring means. The navigation apparatus further includes a control unit 10 for, when moving close to a predetermined location during travel along a road, on a basis of the car pool lane data included in the map data acquired by the map data acquiring means, automatically causing the display unit to display a detailed drawing showing lane information and a car pool lane in distinction from other lanes while enlarging the lane information and the car pool lane.