Abstract: An object of the present invention is to provide a combustion burner that is capable of efficiently performing heating of a raw material powder by improving the dispersibility of the raw material powder that is ejected from a raw material powder-ejecting port using a simple configuration, and a combustion burner in which raw material powder introduction pipes that introduce the raw material powder inside a raw material powder supply pathway are provided so that axes that extend from central axes of the raw material powder introduction pipes do not intersect a central axis of the burner main body, and so that angles ? that are formed by central axes of the raw material powder introduction pipes and an outer surface of a second circular member are larger than 0° and smaller than 90°.

Abstract: A pendulum damper device includes a rotary member rotatable about a rotational axis. The rotary member includes a plurality of guide groove parts circumferentially aligned. The pendulum damper device also includes a plurality of pendulum units supported by the guide groove parts. The pendulum units swing along the guide groove parts so as to attenuate vibration when the rotary member is rotated. In addition, the pendulum damper device includes a plurality of stoppers mounted to the rotary member. Each of the stoppers is contacted to a part of each of the pendulum units so as to restrict a swing range of the each of the pendulum units.

Abstract: A torque fluctuation inhibiting device includes a mass body, a plurality of centrifugal elements, an actuation preventing mechanism and a cam mechanism. The mass body is rotatable with a rotor, and is rotatable relatively to the rotor. Each of the centrifugal elements is disposed to receive a centrifugal force to be generated by rotation of the rotor and the mass body, and is movable in a radial direction. The actuation preventing mechanism restricts at least one of the centrifugal elements from moving outward in the radial direction when the rotor or the mass body is rotated at a predetermined speed or greater. The cam mechanism converts the centrifugal force into a circumferential force with use of actuation of the plurality of centrifugal elements moved in the radial direction by the centrifugal force when a relative displacement is produced between the rotor and the mass body in a rotational direction.

Abstract: A torque fluctuation inhibiting device includes a mass body, a centrifugal element and a cam mechanism. The mass body is disposed to be rotatable with a rotor and be rotatable relatively to the rotor. The centrifugal element is disposed to receive a centrifugal force to be generated by rotation of the rotor and the mass body. When a relative displacement is produced between the rotor and the mass body in a rotational direction, the cam mechanism converts the centrifugal force that acts on the centrifugal element into a circumferential force directed to reduce the relative displacement. Additionally, when the torque fluctuations inputted to the rotor have a predetermined magnitude or greater, the cam mechanism makes the mass body freely rotate with respect to the rotor.

Abstract: A torque fluctuation inhibiting device inhibits torque fluctuations in a rotor to which a torque is inputted. The torque fluctuation inhibiting device includes a mass body, a centrifugal element and a cam mechanism. The mass body is disposed to be rotatable with a rotor and be rotatable relatively to the rotor. The centrifugal element is disposed to receive a centrifugal force to be generated by rotation of the rotor and the mass body. The cam mechanism converts the centrifugal force acting on the centrifugal element into a circumferential force when a relative displacement is produced between the rotor and the mass body in a rotational direction. The circumferential force is directed to reduce the relative displacement.

Abstract: A device for inhibiting torque fluctuations includes a mass body disposed in alignment with a rotor in an axial direction. The mass body is rotatable with the rotor, and is also rotatable relatively to the rotor. The device includes a centrifugal element that receives a centrifugal force to be generated by rotation of the rotor and the mass body. A cam mechanism includes a cam and a cam follower. The cam mechanism converts the centrifugal force that acts on the centrifugal element into a circumferential force when a relative displacement is produced between the rotor and the mass body in a rotational direction. The circumferential force is directed to reduce the relative displacement. The cam is provided on the centrifugal element or one of the rotor and the mass body, the cam follower is provided on the one of the rotor and the mass body or the centrifugal element.

Abstract: A torque fluctuation inhibiting device includes a mass body, first and second centrifugal elements, and first and second cam mechanisms. The mass body is rotatable with a rotor and is also rotatable relatively to the rotor. Each of the first and second centrifugal elements receives a centrifugal force to be generated by rotation of the rotor and the mass body. When a relative displacement is produced between the rotor and the mass body in a rotational direction, the first cam mechanism converts the centrifugal force that acts on the first centrifugal element into a first circumferential force directed to reduce the relative displacement. When the relative displacement is produced between the rotor and the mass body in the rotational direction, the second cam mechanism converts the centrifugal force that acts on the second centrifugal element into a second circumferential force directed to reduce the relative displacement.

Abstract: The present invention provides an exhaust gas treatment method and an exhaust gas treatment device which prevent the generation of NOX, and treat a first exhaust gas and a second exhaust gas with a small amount of fuel, and the exhaust gas treatment method comprises a first combustion step which treats a first exhaust gas discharged from a carbonization furnace for carbonizing a fibrous substance in an inert atmosphere and a graphitization furnace for graphitizing a fibrous substance in an inert atmosphere and a second combustion step of treating a second exhaust gas discharged from a flameproofing furnace for flameproofing a fibrous substance in air atmosphere, wherein the first exhaust gas is combusted at an oxygen ratio of 0.8 or less in the first combustion step, and the second exhaust gas is combusted in the second combustion step using sensible heat and latent heat of a third exhaust gas discharged in the first combustion step.

Abstract: A dynamic vibration absorbing device for an automobile can be on an output-side member of a torque converter. The dynamic vibration absorbing device includes a rotary member, a mass part, and an elastic member. The rotary member is fixed to the output-side member. The rotary member can be rotated about a rotational center of the output-side member. The mass part includes a first accommodation part. The mass part is for attenuating vibration of the output-side member by rotating about the rotational center relative to the rotary member. The elastic member is held by the first accommodation part. The elastic member elastically couples the rotary member and the mass part in a rotational direction. The elastic member is for generating a hysteresis torque by sliding against the first accommodation part in rotation of the rotary member.

Abstract: An object of the present invention is to provide a combustion burner that is capable of efficiently performing heating of a raw material powder by improving the dispersibility of the raw material powder that is ejected from a raw material powder-ejecting port using a simple configuration, and a combustion burner in which raw material powder introduction pipes that introduce the raw material powder inside a raw material powder supply pathway are provided so that axes that extend from central axes of the raw material powder introduction pipes do not intersect a central axis of the burner main body, and so that angles ? that are formed by central axes of the raw material powder introduction pipes and an outer surface of a second circular member are larger than 0° and smaller than 90°.

Abstract: An object of the present invention is to provide a combustion burner that is capable of efficiently performing heating of a raw material powder by improving the dispersibility of the raw material powder that is ejected from a raw material powder-ejecting port using a simple configuration, and a combustion burner in which raw material powder introduction pipes that introduce the raw material powder inside a raw material powder supply pathway are provided so that axes that extend from central axes of the raw material powder introduction pipes do not intersect a central axis of the burner main body, and so that angles ? that are formed by central axes of the raw material powder introduction pipes and an outer surface of a second circular member are larger than 0° and smaller than 90°.

Abstract: An object of the present invention is to provide a combustion burner which is capable of heating or melting a raw material powder efficiently by dispersing the raw material powder, and which is capable of improving a collection rate of the heated or melted raw material powder, the invention providing a combustion burner that forms flame including a dispersal member which is provided in the raw material powder outlet which spouts the raw material powder into the flame, includes first and second inclined surfaces, and which disperses the raw material powder by colliding with the raw material powder that is supplied to the raw material powder outlet.

Abstract: A burner combustion method is employed in which at least two burners (2) are disposed opposite each other in a furnace (1) so as to cause combustion, the method comprising: cyclically changing at least one of a flow rate of a fuel fluid and a flow rate of an oxidant fluid supplied to the respective burners (2) while cyclically changing a concentration of oxygen in the oxidant fluid thereby cyclically changing an oxygen ratio obtained by dividing a supply oxygen amount by a theoretically required oxygen amount, whereby, the burners (2) are made to cause combustion in a cyclical oscillation state, wherein with respect to the cyclical change in an oscillation state of the burners (2), a phase difference is provided between a cyclical change in an oscillation state of at least one burner (2) and cyclical changes in oscillation states of other burners (2).

Abstract: A pendulum damper device includes a rotary member rotatable about a rotational axis. The rotary member includes a plurality of guide groove parts circumferentially aligned. The pendulum damper device also includes a plurality of pendulum units supported by the guide groove parts. The pendulum units swing along the guide groove parts so as to attenuate vibration when the rotary member is rotated. In addition, the pendulum damper device includes a plurality of stoppers mounted to the rotary member. Each of the stoppers is contacted to a part of each of the pendulum units so as to restrict a swing range of the each of the pendulum units.

Abstract: The present invention provides a burner combustion method for supplying and combusting an oxidant stream and a fuel stream, wherein the oxidant stream is composed of a primary oxidant stream jetted from around the periphery of the fuel stream or from a position near the fuel stream, and a plurality of secondary oxidant streams, and by periodically changing the flow rate of at least one of the primary oxidant stream and the plurality of secondary oxidant streams, and also causing a periodic change in the oxygen concentration within the oxidant stream, causing a periodic change in the oxygen ratio which is calculated by dividing the supplied amount of oxygen, supplied by the oxidant stream, by the theoretically required amount of oxygen, and providing a difference between the periodic changes in the oxygen concentration and the oxygen ratio, the combustion state adopts a periodic oscillating state.

Abstract: An object of the present invention is to provide a combustion burner that is capable of efficiently performing heating of a raw material powder by improving the dispersibility of the raw material powder that is ejected from a raw material powder-ejecting port using a simple configuration, and a combustion burner in which raw material powder introduction pipes that introduce the raw material powder inside a raw material powder supply pathway are provided so that axes that extend from central axes of the raw material powder introduction pipes do not intersect a central axis of the burner main body, and so that angles ? that are formed by central axes of the raw material powder introduction pipes and an outer surface of a second circular member are larger than 0° and smaller than 90°.

Abstract: An object of the present invention is to provide a combustion burner which is capable of heating or melting a raw material powder efficiently by dispersing the raw material powder, and which is capable of improving a collection rate of the heated or melted raw material powder, the invention providing a combustion burner that forms flame including a dispersal member which is provided in the raw material powder outlet which spouts the raw material powder into the flame, includes first and second inclined surfaces, and which disperses the raw material powder by colliding with the raw material powder that is supplied to the raw material powder outlet.

Abstract: The object of the present invention is to provide a method for burning a burner which has NOx reduction effects and has practical value, and a device therefore; the present invention provide A method for burning a burner in a heating furnace including a step of: periodically changing at least one of a flow rate of a fuel fluid and a flow rate of an oxidizing agent fluid which are supplied to the burner while periodically changing an oxygen concentration in the oxidizing agent fluid, thereby an oxygen ratio which is calculated by dividing an amount of oxygen supplied by a theoretical necessary amount of oxygen is periodically changed, and the periodical change of the oxygen ratio is made different from the periodical change of the oxygen concentration to cause combustion in periodically vibrational conditions.

Abstract: A friction member to be used for a lock-up clutch device includes a plurality of friction portions and a plurality of grooves. The plural friction portions are disposed in alignment in a circumferential direction. The plural grooves are formed between or among the plural friction portions and penetrate therebetween or thereamong from the inner peripheral side to the outer peripheral side. Further, each of the plural grooves includes an inner peripheral groove and an outer peripheral groove. The inner peripheral groove is formed in a V-shape, and includes a first groove that is disposed on the inner peripheral side and has an opening, and a second groove that is disposed on the outer peripheral side and continues to the first groove. The outer peripheral groove continues to the outer peripheral end of the second groove of the inner peripheral groove, and radially extends in the outer peripheral direction.

Abstract: A friction member to be used for a lock-up clutch device includes a plurality of friction portions and a plurality of grooves. The plural friction portions are disposed in alignment in a circumferential direction. The plural grooves are formed between or among the plural friction portions and penetrate therebetween or thereamong from the inner peripheral side to the outer peripheral side. Further, each of the plural grooves includes an inner peripheral groove and an outer peripheral groove. The inner peripheral groove is formed in a V-shape, and includes a first groove that is disposed on the inner peripheral side and has an opening, and a second groove that is disposed on the outer peripheral side and continues to the first groove. The outer peripheral groove continuers to the outer peripheral end of the second groove of the inner peripheral groove, and radially extends in the outer peripheral direction.