Abstract: An exhaust hood in an embodiment includes: an outer casing; and an annular diffuser which is provided on a downstream side of a final turbine stage and formed by a cylindrical steam guide and a cylindrical bearing cone provided inside the steam guide. The steam guide includes a curved guide and a flat-plate guide which is provided on a downstream side of the curved guide. When a cross section of the outer casing vertical to the rotation axis of the turbine rotor is viewed from the downstream side of the steam guide, expansion outward in the radial direction of the flat-plate guide is set based on D/H where a distance between the rotation axis of the turbine rotor and an inner surface of the outer casing is H and a distance between the rotation axis of the turbine rotor and a downstream end of the flat-plate guide is D.

Abstract: A plate-type heat exchanger includes a plurality of heat exchange units stacked on each other. Adjacent heat exchange units are disposed in such a manner that a projection plane of a through hole in one heat exchange unit does not overlap a through hole in another heat exchange unit as seen from a direction of a flow passage for a second fluid. The plurality heat exchange units includes a heat exchange unit having, on the projection plane, a height varying portion varying a height of a flow passage for a first fluid; and a heat exchange unit having, on the projection plane, a planar portion making the height of the flow passage for the first fluid substantially constant.

Abstract: A fixing plate for the thermal insulation material is attached to the combustion plate flange part. Provided that a direction leaving away from the air-fuel mixture ejection part of the combustion plate is defined as an outward side direction, there are disposed: on the side edge in the outward side direction of the fixing plate, bent edge parts, which come into contact with the side edge in the outward side direction of the thermal insulation materials; and a plurality of tongue-shaped pressing claws which are elongated from the bent edge part so as to press and prevent the thermal insulation materials from getting released away from the fixing plate.

Abstract: A liquid crystal control circuit includes: a first terminal that outputs a rewriting signal for rewriting a plurality of pixels; a second terminal that periodically designates a start timing of the rewriting signal; a third terminal that outputs a polarity signal for designating polarity of AC voltage; a first circuit that identifies a next second inversion timing of any first inversion timing at which the polarity is inverted; a calculator that calculates a first start timing after the first inversion timing based on the start timing; a second circuit that determines whether the second inversion timing is within a period from a predetermined time before the first start timing to the first start timing; and an inversion unit that inverts polarity of the polarity signal after the rewriting signal starting from the first start timing is stopped, when the second inversion timing is within the period.

Abstract: It is an object of the present invention to provide a technique capable of reducing a difference between a three-dimensional shape represented by map data, using approximation, and a real three-dimensional shape. A map data generating apparatus is a map data generating apparatus capable of generating map data representing a three-dimensional shape, using approximation, the map data generating apparatus including: an acquisition part that acquires a shape point sequence indicating the three-dimensional shape, and a control part that generates an arc passing three object points, based on the three object points in the shape point sequence acquired by the acquisition part, and determines whether an approximation division point that should not be approximated in the three-dimensional shape is included in the three object points, based on the arc.

Abstract: A totally aerated combustion burner has: a burner body which is supplied therein with air-fuel mixture; and a combustion plate part which covers an open surface of the burner body. The combustion plate part is constituted by: a burner frame in a shape of a picture frame; a metal-fiber knit which is disposed to cover, from a burner-body side, an opening enclosed by the burner frame; and a distribution plate which has formed therein a multiplicity of distribution holes and which sandwiches the metal-fiber knit between the burner frame and the distribution plate. Only the metal-fiber knit is spot-welded to that opening peripheral part of the burner frame which is positioned on a same surface as the opening. The distribution plate is spot-welded to that portion of the burner frame which is offset from the opening peripheral part toward the burner-body side.

Abstract: A heat source device including a sheet-metal burner body (30), a fan casing (40) connected to the burner body (30), an annular packing (90) connecting a burner-side connection end surface (340) with a fan-side connection end surface (410) in an airtight state, a sheet-metal connection part (80) disposed between the burner-side connection end surface (340) and the fan-side connection end surface (410), wherein the connection part has an opening (85) and a packing storage portion (84) storing the annular packing (90), wherein the opening (85) is provided in such a manner that an opening edge is positioned outside of those of an inlet port (35) and a blowout port (44) in a state where the connection part (80) is disposed between the burner-side connection end surface (340) and the fan-side connection end surface (410).

Abstract: A liquid crystal control circuit is provided for driving a MIP liquid crystal panel. The MIP liquid crystal panel has a plurality of pixels, each of which includes a memory element and a display element. The memory element holds electric potential depending on an image signal. The display element is applied voltage depending on the electric potential which the memory element holds. The liquid crystal control circuit includes an inversion unit that inverts polarity of AC voltage in a first mode in which an enable signal is output. The AC voltage being is applied to the display element in synchronization with outputting of the enable signal. The enable signal activates the image signal output to the MIP liquid crystal panel.

Abstract: A combustion apparatus has a burner including a burner body and a combustion plate, as well as a combustion box. A combustion plate flange part projects outward beyond an inner rim of a body flange part and beyond an inner rim of a combustion box flange part. A packing has a portion interposed between the combustion plate flange part and the body flange part, and a portion interposed between the combustion box flange part and the body flange part outside an outer rim of the combustion plate flange part. A distribution plate having formed therein a multiplicity of distribution holes for introducing the air-fuel mixture toward an air-fuel mixture ejection part is provided with a distribution plate flange part so arranged as to come into direct contact with that portion of the combustion plate flange part which is positioned inside an inner rim of the packing.

Abstract: In a combustion apparatus including a burner, a combustion box on a lower side of the burner and enclosing a heat exchanger, and a water jacket in the combustion box and connected to a downstream side of the heat exchanger, the water jacket is arranged to connect together an inlet jacket part disposed in one lateral-side side plate of the combustion box, and an outlet jacket part having a hot water outlet port through jacket parts disposed in the other side plates of the combustion box. An extension jacket part is disposed so as to be elongated from an upper part of the outlet jacket part toward the inlet jacket part and formed such that a sectional center of a tip is positioned below a sectional center of the hot water outlet port.

Abstract: A totally aerated combustion burner is provided with a combustion plate part through which air-fuel mixture is ejected. The combustion plate part includes: a porous body made of metal fibers; and a distribution plate stacked on a back surface of the porous body, the distribution plate having formed therein a multitude of distribution holes, thereby enabling reduction in cost. The porous body is formed by nonwoven fabric made by laminating metal fibers in the form of felt. A front surface of the nonwoven fabric is covered by a meshed sheet made of metal. Preferably, the meshed sheet is made by knitting a wire member into the form of a mesh, the wire member being formed by bundling together a plurality of metal fibers. The mesh size of the meshed sheet shall preferably be below a flame-out distance of the air-fuel mixture to be ejected out of the combustion plate part.

Abstract: A combustion apparatus has a burner including a burner body and a combustion plate, as well as a combustion box. A combustion plate flange part projects outward beyond an inner rim of a body flange part and beyond an inner rim of a combustion box flange part. The combustion box has, on a perimeter of one end, the combustion box flange part, adapted to be connected to the body flange part enclosing an open surface of the burner body. The combustion plate is provided with an inside projection which is erected, by bending, toward the body flange part so as to face the inner rim of the packing such that, in a state in which the combustion box flange part is connected to the body flange part, the outside projection and the inside projection are in contact with the body flange part.

Abstract: In a combustion apparatus including a burner, a combustion box on a lower side of the burner and enclosing a heat exchanger, and a water jacket in the combustion box and connected to a downstream side of the heat exchanger, the water jacket is arranged to connect together an inlet jacket part disposed in one lateral-side side plate of the combustion box, and an outlet jacket part having a hot water outlet port through jacket parts disposed in the other side plates of the combustion box. An extension jacket part is disposed so as to be elongated from an upper part of the outlet jacket part toward the inlet jacket part and formed such that a sectional center of a tip is positioned below a sectional center of the hot water outlet port.

Abstract: A steam turbine 1 of one embodiment has a side exhaust structure where a condenser 190 is installed at one side in directions perpendicular and horizontal to an axial direction of a turbine rotor 40 and supported on a foundation 70. The steam turbine 1 includes an outer casing 10 having an outer casing upper half 12 and an outer casing lower half 13; a groove part 100 formed in each of a pair of lower half end plates 17 extending perpendicular to the axial direction of the turbine rotor 40, the groove part 100 being opened upward and being recessed to an inside of the outer casing 10; and a block-shaped key member 120 fitted to both the groove parts 100 and 110, a groove part 110 being formed at a part of the foundation 70 facing the groove part 100, the groove part 110 being opened upward.

Abstract: A burner has: a combustion plate part through which air-fuel mixture is ejected; and a flame rod which lies opposite to a portion of the combustion plate part. The combustion plate part is constituted by: a burner frame in a shape of a picture frame; a metal-fiber knit which covers an opening enclosed by the burner frame; and a distribution plate which has formed therein a multiplicity of distribution holes and which sandwiches the metal-fiber knit between the burner frame and the distribution plate so that the air-fuel mixture is ejected from the opening through the distribution holes and the metal-fiber knit. Flame holes for ejecting the air-fuel mixture are formed in a portion of the burner frame, and the flame rod is disposed so as to lie opposite to that portion of the burner frame which has formed therein the flame holes.

Abstract: An operation switch unit attached to a game machine includes a spin button that receives an input operation of an operator, an input detector that detects that the input operation of the operator is performed, and a controller that controls a directional speaker such that the directional speaker emits a directional sound, which does not spread uniformly but has directionality, to the operator as a notification that an operation input is performed based on a detection signal from the input detector.

Abstract: A liquid crystal controller is provided for a liquid crystal panel having a plurality of pixels, each of which includes a memory element and a display element. The memory element is configured to hold electric potential depending on an image signal and is configured to change the held electric potential based on activation of an enable signal. The display element is configured to be applied voltage depending on the electric potential which the memory element holds. The liquid crystal controller is configured to: hold off outputting the enable signal, for a period th before polarity of AC voltage applied to the display element is inverted and a period (tr+ts) after the polarity of the AC voltage is inverted; and hold off inversion of the polarity of the AC voltage, for an output period of the enable signal and the period th after the output period.

Abstract: A heat source device comprising: a combustion chamber (2) provided between a burner (31) and a heat exchanger (1); an inlet pipe (20) for allowing a fluid to be heated to flow in the heat exchanger (1); an outlet pipe (21) for allowing the fluid to be heated to flow out from the heat exchanger (1); and a winding pipe (27) wound around an outer surface of a peripheral wall of the combustion chamber (2), wherein either the inlet pipe (20) or the outlet pipe (21) has an orifice (91) for throttling a fluid flow path of the fluid to be heated flowing in the inlet pipe (20) or the outlet pipe (21).

Abstract: The plate-type heat exchanger includes blocks stacked on each other, each of the blocks including a heat exchanger body configured to exchange heat between a first fluid and a second fluid. A connection passage for the first fluid is formed between blocks adjacent to each other of the plurality of blocks, the connection passage allowing the outlet of one of the blocks adjacent to each other and the inlet of the other of the blocks adjacent to each other to communicate with each other, the first fluid in the blocks adjacent to each other having different flow directions between the blocks adjacent to each other, and a second connection passage is provided between at least one pair of blocks adjacent to each other among the plurality of blocks, the second connection passage being configured to cause the first fluid to flow to a position different from the connection passage.

Abstract: A steam turbine according to an embodiment includes an outer casing, an inner casing, a turbine rotor, and a pair of inner casing regulating portions. The pair of inner casing regulating portions regulates movement of the inner casing in a direction orthogonal to an axial direction of the turbine rotor. The pair of inner casing regulating portions is disposed beneath the inner casing at positions different from each other in the axial direction and is supported by a regulating supporting portion extending upward from a bottom portion of the outer casing.