Abstract: A combustor includes a first tube which supplies fuel and air from an opening formed in a distal end thereof, and a second tube which is configured such that flames are formed on an inner circumferential side thereof by the fuel and the air and the distal end of the first tube is inserted into an inner circumferential side of a proximal end thereof. The first tube includes a first tube main body and a ring part forming the distal end of the first tube. The ring part has a main body of a tubular shape and a plurality of protrusions that are integrally formed with the main body on an outer circumferential surface of the main body and protrude radially outward. When viewed in an axial direction, the outer circumferential surface of the main body has a polygonal cross-sectional shape within a range within which the protrusions are formed.

Abstract: A combustor according to the invention includes a combustor basket to which air A is supplied from the outside, a plurality of first nozzles that are annularly provided along the inner periphery of the combustor basket and that supply premixed gas M of the air and fuel to the inside of the combustor basket, and a transition piece in which the combustor basket is connected to a base end thereof and which burns the premixed gas supplied from the first nozzles, thereby forming a flame front spread to the outer periphery side toward the leading end in an axial direction, wherein each first nozzle supplies the premixed gas with fuel concentration changed around the center axis of the first nozzle such that the flame front has a uniform temperature in the axial direction.

Abstract: A tampon applicator includes an outer tube for containing at least a part of an absorber therein, a first inner tube and a second inner tube. The second inner tube is telescopically received within the first inner tube. The first inner tube and the second inner tube are connectable to each other during use to push out the absorber from the outer tube. At least a part of the first inner tube and at least a part of the second inner tube overlap with each other in an overlap region outside the outer tube. A color difference between the outer tube and the overlap region is higher than a color difference between the overlap region and the second inner tube.

Abstract: A combustor (3) includes a plurality of first burners extending along an axis (P) and arranged at intervals in the circumferential direction, a base plate (31) having support openings configured to support the plurality of first burners and a plurality of through-holes (34) through which base plate air flows toward a downstream side, a plurality of extension pipes supported by the base plate (31) to correspond to the first burners and configured to guide a pre-mixed gas ejected from the first burners toward the downstream side, and a base plate air guide section (35) configured to change a direction of at least some of the base plate air ejected from the through-holes (34) at a downstream side of the base plate (31).

Abstract: A combustion burner includes a nozzle, a swirl vane having a fuel injection hole, the swirl vane being disposed in an air flow passage of an annular shape extending along an axial direction of the nozzle around the nozzle, and a partition plate having an annular shape and partitioning at least a region of the air flow passage in a radial direction of the nozzle, so as to divide at least the region into an inner flow passage facing an outer peripheral surface of the nozzle and an outer flow passage disposed on an outer side of the inner flow passage with respect to the radial direction. The fuel injection hole is disposed in the outer flow passage of the air flow passage. An end portion on an upstream side of the partition plate is disposed upstream of the fuel injection hole in the axial direction.

Abstract: A seal member (7) is provided between a combustor disposed around a rotor axis and a vane disposed on the downstream side in an axial direction and defining a part of a combustion gas flow passage (Pg) through which combustion gas (G) flows, and seals a gap between the combustor and the vane. The seal member (7) has: an end face (71a) that faces the downstream side in the axial direction so as to face a lateral end face (461) of the vane facing the upstream side in the axial direction; cooling channels (80) through which cooling air is discharged from a plurality of openings (80a) provided in the end face (71a) in an array in a circumferential direction based on the rotor axis; and a clearance forming portion (71b) that protrudes further toward the downstream side in the axial direction than the end face (71a) in which the openings are formed.

Abstract: A seal structure includes: a first member and a second member disposed so as to face a combustion gas flow passage; a third member disposed on the outer side of the combustion gas flow passage; a heat-resistant coating formed on at least one of a first end face and a second end face, on the side of the face closer to the combustion gas flow passage; and a contact part disposed in the first end face and the second end face, further on the outer side than the heat-resistant coating. When the first member and the second member move relatively toward each other, the contact part restricts the relative movement by coming in contact in a state where a clearance is left between the heat-resistant coating and the face facing the heat-resistant coating.

Abstract: To provide a gas turbine combustor that can suppress a generation amount of NOx and maintain a flame holding property, while suppressing burn damage around a pilot nozzle including the pilot nozzle. A gas turbine combustor includes a pilot nozzle that can inject fuel F and cooling air A for cooling a nozzle tip, a flow regulating valve that can adjust a flow rate of cooling air to be supplied to the pilot nozzle, a detection sensor that detects a combustion state of fuel, and a control device that controls the flow regulating valve based on a detection result of the detection sensor.

Abstract: A combustor (10) is provided with: a nozzle (25) having formed therein an air jet section (51) that causes air to be jetted from a nozzle section (25s); a cylindrical part (26) covering the nozzle (25) from the outer peripheral side thereof and forming an air flow path between the cylindrical part (26) and the nozzle (25); and a pressure loss section (27) provided to the air flow path, the pressure loss section (27) causing a loss of pressure in the air that flows through the air flow path. The nozzle (25) is provided with: at least one air inlet section (52) that takes in air from an outer peripheral surface that is an upstream side from the pressure loss section (27); and a flow path-forming section (50) forming a discharge air flow path (R2) that guides air that is taken in from the at least one air inlet section (52) to the air jet section (51).

Abstract: A combustor is provided with a combustion liner (12) in which a combustion gas flows through the inner peripheral side and a plurality of through-holes (14) are formed, and a sound attenuator (20) having a space-forming member (21) configured to form a space (S) connected to the plurality of through-holes (14) at the outer peripheral side of the combustion liner (12). A method of repairing a combustor involves executing: an opening step of opening a portion of the space-forming member (21) in contact with the outside and bringing the outside and the space (S) in communication with each other; a cylinder repair step of repairing the combustion liner (12); a foreign substance removal step of removing foreign substances in the space (S) from the opening (23) opened in the opening step to the outside, after the cylinder repair step; and a closing step of closing the opening (23) using a lid (24), after the foreign substance removal step.

Abstract: A clearance measurement device for a combustor includes: a rod part with the hollow base end side which is mounted on a first flange of the combustor while being inserted in the combustor; a support part which is mounted at the leading end of the rod part so as to be rotatable around an axis perpendicular to the axial direction of the rod part; an imaging element which is supported by the support part and images an annular clearance; an operation lever which penetrates the inside of the rod part and extends toward the support part; and a link mechanism which is provided between the operation lever and the support part and converts a forward/backward motion of the operation lever into a rotary motion of the support part around the axis.

Abstract: A tampon applicator includes an outer tube with an absorber stored inside, an inner tube inserted inside the outer tube and movable towards and into the outer tube to push the absorber to outside the outer tube, and an auxiliary grip member. The auxiliary grip member includes a cover unit covering an outer circumference surface of the grip unit, and a collar unit extending radially outwards from an outer circumference surface of the cover unit. A caved-in unit caving in from a terminal end of the cover unit towards a distal end side of the auxiliary grip member in a direction of insertion, in which the tampon applicator is configured to be inserted inside a vagina of the user, is formed in the terminal end of the cover unit.

Abstract: An absorbent article has a top sheet, a back sheet, an absorber, and a pair of side sheets that cover the side edges of the absorber in a width direction. Lateral inner edges of the side sheets are interposed between the absorber and the top sheet in the thickness direction. The pair of side sheets extend outwardly from the top sheet and the absorber in the width direction. The side sheets have a higher density than the top sheet.

Abstract: A tampon applicator includes an outer cylinder having an absorbent; an inner cylinder configured to push the absorbent into the outer cylinder; and a flange part extending outward in a radial direction from an outer peripheral surface of a grip cylinder part of the outer cylinder. The flange part is provided with a flange identifying unit including at least one of an identifying display portion; an identifying friction portion; or an identifying shape portion.

Abstract: A driving force transmission controller includes: a normal turning control unit that computes command values such that driving force transmitted to an outer wheel in a turning direction is larger than that transmitted to an inner wheel during normal turning; a counter-steering control unit that computes the command values such that the driving force transmitted to the outer wheel is larger than that transmitted to the inner wheel during counter-steering; a counter-steering return control unit that corrects the command values such that a rate of change in each of the driving forces transmitted to the right and left rear wheels is lower than a rate of change in a steered angle of front wheels when a steering velocity is equal to or higher than a prescribed value during the counter-steering; and a driving force transmission control unit that controls a driving force transmission device based on the command values.

Abstract: A driving force transmission control apparatus includes a multiple disc clutch including a plurality of outer clutch plates, and a plurality of inner clutch plates; a pressing mechanism that presses the multiple disc clutch; and a control portion that controls the pressing mechanism. The outer clutch plates and inner clutch plates are engaged with an intermediate shaft and an inner shaft respectively. The control portion makes a determination as to whether the multiple disc clutch is in a first operating condition in which the multiple disc clutch is pressed with a relative rotation speed between the intermediate and the inner shafts being equal to or higher than a predetermined value, or in a second operating condition in which the multiple disc clutch is pressed with the relative rotation speed being lower than the predetermined value, and the control portion controls the pressing mechanism based on a result of the determination.

Abstract: A combustor includes a first tube which supplies fuel and air from an opening formed in a distal end thereof, and a second tube which is configured such that flames are formed on an inner circumferential side thereof by the fuel and the air and the distal end of the first tube is inserted into an inner circumferential side of a proximal end thereof. The first tube includes a first tube main body and a ring part forming the distal end of the first tube. The ring part has a main body of a tubular shape and a plurality of protrusions that are integrally formed with the main body on an outer circumferential surface of the main body and protrude radially outward. When viewed in an axial direction, the outer circumferential surface of the main body has a polygonal cross-sectional shape within a range within which the protrusions are formed.

Abstract: A tampon applicator includes an outer cylinder in which an absorber is housed, and a push-out opening through which the absorber is to be pushed out is provided at one side and a grip cylinder unit is provided at the other side, and an inner cylinder which is inserted into the grip cylinder unit and being moved into the outer cylinder to be thereby able to push out the absorber outward through the push-out opening. The tampon applicator includes a grip jaw unit configured to extend from an outer circumferential face of the grip cylinder unit of the outer cylinder outwardly in a radial direction, wherein a finger hook unit by which a finger of a user is to be hooked is formed at the grip jaw unit.

Abstract: A tampon applicator includes an outer tube for containing at least a part of an absorber therein, a first inner tube and a second inner tube. The second inner tube is telescopically received within the first inner tube. The first inner tube and the second inner tube are connectable to each other during use to push out the absorber from the outer tube. At least a part of the first inner tube and at least a part of the second inner tube overlap with each other in an overlap region outside the outer tube. A color difference between the outer tube and the overlap region is higher than a color difference between the overlap region and the second inner tube.

Abstract: A clearance measurement device for a combustor includes: a rod part with the hollow base end side which is mounted on a first flange of the combustor while being inserted in the combustor; a support part which is mounted at the leading end of the rod part so as to be rotatable around an axis perpendicular to the axial direction of the rod part; an imaging element which is supported by the support part and images an annular clearance; an operation lever which penetrates the inside of the rod part and extends toward the support part; and a link mechanism which is provided between the operation lever and the support part and converts a forward/backward motion of the operation lever into a rotary motion of the support part around the axis.