Abstract: A solar cell of an embodiment includes a first solar cell panel, a second solar cell panel, a first sealing layer, a second sealing layer, a third sealing layer, and a first protective member. A thickness of the first sealing layer is 50 ?m or more and 400 ?m or less. A thickness of the second sealing layer is 30 ?m or more and 400 ?m or less. A thickness of the third sealing layer is 50 ?m or more and 400 ?m or less. A thickness of the first protective member is 25 ?m or more and 200 ?m or less. A thickness of the solar cell is 350 ?m or more and 1140 ?m or less at a portion at which the first solar cell panel and the second solar cell panel overlap each other.

Abstract: A power supply system includes a plurality of power transmission coils, a display layer, and a controller. The power transmission coils are arranged in a predetermined direction on a road and configured to transmit electric power in a non-contact manner to a power receiving coil mounted on a vehicle. The display layer is provided above the power transmission coils. The controller controls a display mode of the display layer so as to guide the vehicle in accordance with a traveling state of the vehicle.

Abstract: An optical system (LS) has an aperture stop (S), and a negative lens (L73) disposed closer to the image side than the aperture stop (S) and satisfying the following conditional expressions. ?0.010<ndN2?(2.015?0.0068×?dN2), 50.00<?dN2<65.00, 0.545<?gFN2, ?0.010<?gFN2?(0.6418?0.00168×?dN2) where ndN2 is the refractive index to the d line of the negative lens, ?dN2 is the Abbe number with respect to the d line of the negative lens, and ?gFN2 is the partial dispersion ratio of the negative lens.

Abstract: A flight vehicle of an embodiment includes a wing, double-side generation type solar cells, and a light reflecting part. The wing has an outer shell member. The outer shell member has transmittance. The wing is formed by an outer shell member in a hollow shape. The solar cells are disposed on the upper surface of the wing. The light reflecting part is provided on an inner surface of the outer shell member.

Abstract: Provided are a photoelectric conversion element that can generate power with high efficiency and has high durability, and a method for manufacturing the same. A photoelectric conversion element according to an embodiment includes a first electrode, an active layer having a perovskite structure containing a halogen ion, and a second electrode having light transmissivity, in which a Warburg coefficient of the active layer measured by an AC impedance spectroscopy method is specified. The element can be manufactured by applying a solution containing a precursor of the perovskite structure and then performing appropriate annealing treatment or gas blowing.

Abstract: A solar cell according to an embodiment includes at least one first solar cell panel, a flexible substrate, a bypass diode, and a package. The at least one first solar cell panel is disposed with a light receiving surface thereof oriented in a predetermined direction. The flexible substrate is disposed in the vicinity of the at least one first solar cell panel when viewed in the predetermined direction. The flexible substrate forms a bypass line for the at least one first solar cell panel. The bypass diode is mounted on the flexible substrate and is connected to the at least one first solar cell panel in parallel. The package houses the at least one first solar cell panel, the flexible substrate, and the bypass diode. The at least one first solar cell panel is disposed between both ends of the flexible substrate and the bypass diode in the predetermined direction.

Abstract: A solar cell includes a top cell module that generates power by photoelectrically converting incident light and allows part of the incident light to pass through the top cell module, and a bottom cell module that is laminated to the top cell module and generates power by photoelectrically converting light that has passed through the top cell module, wherein the top cell module includes a plurality of top cells that are connected in series, in parallel, or in a combination of series and parallel, the bottom cell module includes a plurality of bottom cells that are connected in series, in parallel, or in a combination of series and parallel, the number of the bottom cells being equal to the number of the top cells, and an electrode connecting the plurality of top cells is positioned such that the electrode does not overlap the bottom cells in plan view.

Abstract: A solar cell module of the embodiment includes a first solar cell element and a second solar cell element disposed to be aligned, a connection member, and a shield member. The connection member electrically connects a first electrode of the first solar cell element and a second electrode of the second solar cell element. The first solar cell element and the second solar cell element each include a first cell containing a perovskite semiconductor and a second cell containing silicon. The first electrode is disposed at an end portion in a first direction in which the first cell is disposed in a thickness direction. The second electrode is disposed at an end portion in a second direction in which the second cell is disposed in the thickness direction. The shield member is made of an electrically insulating material and is disposed between an end portion of the first electrode of the first solar cell element on the second solar cell element side and the connection member.

Abstract: A flight vehicle of an embodiment includes a wing, double-side generation type solar cells, and a light reflecting part. The wing has an outer shell member. The outer shell member has transmittance. The wing is formed by an outer shell member in a hollow shape. The solar cells are disposed on the upper surface of the wing. The light reflecting part is provided on an inner surface of the outer shell member.

Abstract: A solar battery module according to an embodiment has at least one solar battery panel, a flexible substrate and a package. A solar battery cell is formed in the at least one solar battery panel. The flexible substrate is directly or indirectly connected to the at least one solar battery panel. A bypass diode is mounted on the flexible substrate. The flexible substrate forms a bypass line of the at least one solar battery panel. The package accommodates the at least one solar battery panel. The flexible substrate has a base material and a wiring. The wiring is supported by the base material. The wiring has a flying lead and a terminal. The flying lead protrudes from the base material. The flying lead is connected to the at least one solar battery panel. The terminal is provided on an outward side of the package.

Abstract: A steam turbine includes a rotary shaft configured to rotate about an axis, a rotor blade including a rotor blade body extending radially outward from the rotary shaft, and a shroud on an end outside in a radial direction, a casing enclosing the rotor blade from outside in the radial direction and including a cavity accommodating the shroud on an inner circumference of the casing, a plurality of seal fins protruding radially inward from an opposing surface that faces the shroud in the cavity such that a clearance is between an outer circumferential surface of the shroud and the plurality of seal fins, and a plurality of swirl breaks upstream of the plurality of seal fins located furthest upstream in a direction of the axis in the cavity, the plurality of swirl breaks being arranged at intervals in a circumferential direction.

Abstract: There is provided a vibration insulator mounted between a cartridge and a wheel-side housing, in which the cartridge includes a rotor having a wheel and a rotational shaft and a bearing housing accommodating a bearing rotatably supporting the rotor, and the wheel-side housing is to be pressed to the bearing housing in an axial direction. The vibration insulator includes an annular outer ring portion having a wheel-side contact surface configured to come into contact with the wheel-side housing, an annular inner ring portion disposed inside the outer ring portion with a clearance from the outer ring portion and having a bearing-side contact surface configured to come into contact with the bearing housing, and a flexible support portion interposed between the outer ring portion and the inner ring portion and connecting the outer ring portion and the inner ring portion, the flexible support portion being elastically deformable.

Abstract: An unbalance detection device for detecting unbalance of a rotor of a turbo-cartridge which includes the rotor including a turbine wheel and a compressor wheel coupled via a rotational shaft and a bearing housing accommodating a bearing which supports the rotor rotatably, includes: a turbine-side housing member accommodating the turbine wheel; a compressor-side housing member accommodating the compressor wheel; a support mechanism configured to nip and support the turbo-cartridge from both sides by pressing at least one of the turbine-side housing member or the compressor-side housing member toward the turbo-cartridge; a vibration insulator interposed in each of a gap between the turbine-side housing member and the turbo-cartridge and a gap between the compressor-side housing member and the turbo-cartridge; and a vibration sensor installed so as to be contactable with the bearing housing, the vibration sensor being capable of detecting vibration upon rotation of the rotor.

Abstract: A steam turbine includes a rotary shaft configured to rotate about an axis, a rotor blade including a rotor blade body extending radially outward from the rotary shaft, and a shroud provided on an end outside in a radial direction of the rotor blade body, a casing enclosing the rotor blade from outside in the radial direction and being formed with a cavity accommodating the shroud on an inner circumference of the casing, a plurality of seal fins protruding radially inward from an opposing surface that faces the shroud in the cavity and being formed with a clearance between an outer circumferential surface of the shroud, and a plurality of swirl breaks that is provided upstream of the plurality of seal fins located most upstream in a direction of the axis in the cavity and that is arranged at intervals in a circumferential direction. Each of the plurality of swirl breaks is provided with a hole penetrating each of the swirl breaks.

Abstract: This vibration measurement device is configured to measure the balancing vibration of the cartridge, a kind of rotating machines, who has a rotor and a cartridge body to support the rotor rotatably for variable operating speed, and is provided with a rigidly fixed support structure, acceleration sensors which detect the vibration of the cartridge, and a flat spring which elastically supports the cartridge with respect to the support structure and has a variable spring constant of elastic support.

Abstract: An unbalance detection device for detecting unbalance of a rotor of a turbo-cartridge which includes the rotor including a turbine wheel and a compressor wheel coupled via a rotational shaft and a bearing housing accommodating a bearing which supports the rotor rotatably, includes: a turbine-side housing member accommodating the turbine wheel; a compressor-side housing member accommodating the compressor wheel; a support mechanism configured to nip and support the turbo-cartridge from both sides by pressing at least one of the turbine-side housing member or the compressor-side housing member toward the turbo-cartridge; a vibration insulator interposed in each of a gap between the turbine-side housing member and the turbo-cartridge and a gap between the compressor-side housing member and the turbo-cartridge; and a vibration sensor installed so as to be contactable with the bearing housing, the vibration sensor being capable of detecting vibration upon rotation of the rotor.

Abstract: There is provided a vibration insulator mounted between a cartridge and a wheel-side housing, in which the cartridge includes a rotor having a wheel and a rotational shaft and a bearing housing accommodating a bearing rotatably supporting the rotor, and the wheel-side housing is to be pressed to the bearing housing in an axial direction. The vibration insulator includes an annular outer ring portion having a wheel-side contact surface configured to come into contact with the wheel-side housing, an annular inner ring portion disposed inside the outer ring portion with a clearance from the outer ring portion and having a bearing-side contact surface configured to come into contact with the bearing housing, and a flexible support portion interposed between the outer ring portion and the inner ring portion and connecting the outer ring portion and the inner ring portion, the flexible support portion being elastically deformable.

Abstract: An impeller and a rotary machine include an inner diameter portion, a disk portion, a blade portion, and a cover portion. The disk portion includes a main body portion adjacent to the blade portion, and a fixing portion disposed at a radially inward side of the main body portion and fitted at a radially outward side of an outer peripheral surface of the inner diameter portion. The fixing portion is formed so as to protrude from the main body portion toward another side in an axial direction.

Abstract: This vibration measurement device is configured to measure the balancing vibration of the cartridge, a kind of rotating machines, who has a rotor and a cartridge body to support the rotor rotatably for variable operating speed, and is provided with a rigidly fixed support structure, acceleration sensors which detect the vibration of the cartridge, and a flat spring which elastically supports the cartridge with respect to the support structure and has a variable spring constant of elastic support.

Abstract: In one embodiment, a solar heat collecting system includes a heat collector configured to heat a heat medium by a sunray. The system further includes a heater configured to heat a heating target fluid by the heat medium. The system further includes a heat medium pipe configured to circulate the heat medium between the heat collector and the heater. The system further includes a temperature sensor configured to measure a temperature of the heat medium flowing from the heat collector toward the heater, at a position located upstream of an initial bent portion of the heat medium pipe in a region where the heat medium pipe extends from the heat collector toward the heater. The system further includes a controller configured to control heating of the heat medium in accordance with the temperature of the heat medium measured by the temperature sensor.