Abstract: A control device for an internal combustion engine is provided which enables control of dilution of oil by fuel and water drops, i.e., control of the amount of so-called oil dilution. The control device for an internal combustion engine that is lubricated or cooled by oil includes: a variable displacement oil pump capable of varying the amount of discharge of the oil; an air-fuel ratio sensor for sensing an air-fuel ratio of the internal combustion engine; and an ECU for controlling the amount of discharge of the variable displacement oil pump. The ECU controls the amount of discharge of the variable displacement oil pump, based on the air-fuel ratio sensed by the air-fuel ratio sensor.

Abstract: An internal combustion engine cooling system, including: an internal combustion engine; a cooling circuit in which cooling fluid for cooling the internal combustion engine is circulated; a radiator for cooling the cooling fluid; a radiator circuit that branches from the cooling circuit to guide the cooling fluid to the radiator and return the cooling fluid having passed the radiator to the cooling circuit; a thermostat that is provided in a portion where the cooling circuit and the radiator circuit are connected to each other and that opens and closes a path between cooling circuit and the radiator circuit; a heater for heating the thermostat; and a control device for controlling the heater.

Abstract: A fuel remaining amount detector may include an arm supported rotatably to a body an angle sensor configured to output first data in accordance with a relative angle between the body and the arm; a storage circuit configured to store conversion data; and a data conversion circuit configured to convert the first data to second data based on the conversion data. A manufacturing method of the fuel remaining amount detector may include creating the conversion data by performing processing for each of at least three predetermined angles, in which the processing includes: measuring the first data outputted by the angle sensor with the relative angle set to one of the predetermined angles; and storing a value corresponding to the one of the predetermined angles in the storage circuit as a value of the second data in association with the value of the measured first data.

Abstract: A control device for an internal combustion engine is provided which enables control of dilution of oil by fuel and water drops, i.e., control of the amount of so-called oil dilution. The control device for an internal combustion engine that is lubricated or cooled by oil includes: a variable displacement oil pump capable of varying the amount of discharge of the oil; an air-fuel ratio sensor for sensing an air-fuel ratio of the internal combustion engine; and an ECU for controlling the amount of discharge of the variable displacement oil pump. The ECU controls the amount of discharge of the variable displacement oil pump, based on the air-fuel ratio sensed by the air-fuel ratio sensor.

Abstract: To provide an information processing method capable of appropriately displaying an object, a computer-readable non-transitory storage medium having a program stored thereon, and an information processing device. An information processing method, executed by one or more processors included in an information processing device, including: specifying at least one of a first region in which an object is to be displayed and a second region in which display of the object is prohibited, the first region and the second region being included in a display region of a display device, based on a user operation; and displaying the object in the specified first region of the display device or displaying the object in a region other than the specified second region of the display device.

Abstract: A liquid surface detecting unit includes a reservoir cup; a body attached to a side wall of the reservoir cup; an arm rotatably supported by the body; a sensor unit stored in the body and configured to detect rotating motion of the arm; a terminal unit extending from the sensor unit; and a wire harness connected to the terminal unit and extending to an outside of the body. The body may include a groove surrounding and guiding the wire harness together with the side wall of the reservoir cup, the wire harness extending from the terminal unit to the outside of the body.

Abstract: A damper device that includes an input element to which torque from an engine is transferred; an output element; a first intermediate element; a second intermediate element; a first elastic body that transfers torque between the input element and the first intermediate element; a second elastic body that transfers torque between the first intermediate element and the output element; a third elastic body that transfers torque between the input element and the second intermediate element; a fourth elastic body that transfers torque between the second intermediate element and the output element; and a fifth elastic body that transfers torque between the first intermediate element and the second intermediate element.

Abstract: A damper device that includes an input element to which torque from an engine is transferred; an output element; a first intermediate element; a second intermediate element; a first elastic body that transfers torque between the input element and the first intermediate element; a second elastic body that transfers torque between the first intermediate element and the output element; a third elastic body that transfers torque between the input element and the second intermediate element; a fourth elastic body that transfers torque between the second intermediate element and the output element; and a fifth elastic body that transfers torque between the first intermediate element and the second intermediate element.

Abstract: A liquid fuel level sensing device disclosed herein may include: a holder; an arm fixed to the holder; a cover fixed to the holder to cover the arm; and a float connected to the arm outside the holder. The holder may include a bottom portion and a first snap fit structure, which may include a pair of support portions provided with an interval therebetween, and provided on the bottom portion. First and second interval portions may be provided between the pair of support portions, the first interval portion may hold the arm, and the second interval portion may be provided above the first interval portion and be narrower than a width of the arm held in the first interval portion. The cover may include a deformation restricting portion provided at a position facing an outer surface of at least one of the pair of support portions.

Abstract: The liquid fuel level sensing device disclosed herein may include a liquid fuel level sensor, a case, and an electric wire. The case may house the liquid fuel level sensor and include opposing surfaces opposing each other. The electric wire may include a core wire and an insulating film, and the electric wire may include an exposed portion in which the core wire is exposed and a coated portion in which the core wire is coated with the insulating film. The exposed portion may be connected to a terminal of the liquid fuel level sensor, and the coated portion may be interposed between the opposing surfaces in a compressed state.

Abstract: An internal combustion engine cooling system, including: an internal combustion engine; a cooling circuit in which cooling fluid for cooling the internal combustion engine is circulated; a radiator for cooling the cooling fluid; a radiator circuit that branches from the cooling circuit to guide the cooling fluid to the radiator and return the cooling fluid having passed the radiator to the cooling circuit; a thermostat that is provided in a portion where the cooling circuit and the radiator circuit are connected to each other and that opens and closes a path between cooling circuit and the radiator circuit; a heater for heating the thermostat; and a control device for controlling the heater.

Abstract: A temperature measurement device includes a light source, a first optical waveguide disposed on a surface of a desired region of an object to be measured, a second optical waveguide connected to one side of the first optical waveguide, a third optical waveguide connected to the other side of the first optical waveguide and guiding the lights guided from the light source to the first optical waveguide, a first filter transmitting light in a first frequency band among the lights, a second filter transmitting light in a second frequency band among the lights, a detector circuit detecting each intensity of the lights in the first frequency band and the second frequency band, and a controller calculating a temperature of the desired region from the detected intensity of the each light in the first and second frequency bands.

Abstract: A damper device that includes an input element to which torque from an engine is transferred; an output element; a first intermediate element; a second intermediate element; a first elastic body that transfers torque between the input element and the first intermediate element; a second elastic body that transfers torque between the first intermediate element and the output element; a third elastic body that transfers torque between the input element and the second intermediate element; a fourth elastic body that transfers torque between the second intermediate element and the output element; and a fifth elastic body that transfers torque between the first intermediate element and the second intermediate element.

Abstract: A damper device that includes an input element to which torque from an engine is transferred; an output element; a first intermediate element; a second intermediate element; a first elastic body that transfers torque between the input element and the first intermediate element; a second elastic body that transfers torque between the first intermediate element and the output element; a third elastic body that transfers torque between the input element and the second intermediate element; a fourth elastic body that transfers torque between the second intermediate element and the output element; and a fifth elastic body that transfers torque between the first intermediate element and the second intermediate element.

Abstract: According to one embodiment, a graphene photodetector includes a substrate, a first insulating film, first and second high-refractive-index regions, first and second conductive semiconductor regions, a second insulating film, a graphene film, a third insulating film, third and fourth high-refractive-index regions, a fourth insulating film, first and second electrodes, and third and fourth electrodes. The first, second, third and fourth high-refractive-index regions and portions sandwiched by the first, second, third and fourth high-refractive-index regions constituting an integrated optical waveguide.

Abstract: A liquid level detector may include a float; an arm attached to the float and configured to convert a linear motion of the float in an up-and-down direction to a rotary motion; a sensor configured to detect the rotary motion; and a supporting member supporting the arm to be rotatable relative to the sensor. The supporting member may include: a body fixed to the sensor; a holder rotatably attached to the body; and a cover arranged on an opposite side from the body with the holder intervened in between, and covering the holder from the opposite side. The arm may be supported by the supporting member between the holder and the cover.

Abstract: A liquid level detector may comprise an arm attached to a float, a holder fixed to the arm, and a body rotatably supporting the holder. The body may comprise a first rotation regulator and a second rotation regulator. The first rotation regulator may regulate a rotation angle range of the arm to a first range. The second rotation regulator may regulate the rotation angle range of the arm to a second range. The first range and the second range may not overlap each other in a rotation direction of the arm. Each of the plurality of rotation regulators may comprise a pair of stoppers disposed separately from each other in the rotation direction of the arm. At least a part of area between the pair of stoppers of the each of the plurality of rotation regulators may be open to outside of the body.

Abstract: According to one embodiment, a graphene photodetector includes a substrate, a first insulating film, first and second high-refractive-index regions, first and second conductive semiconductor regions, a second insulating film, a graphene film, a third insulating film, third and fourth high-refractive-index regions, a fourth insulating film, first and second electrodes, and third and fourth electrodes. The first, second, third and fourth high-refractive-index regions and portions sandwiched by the first, second, third and fourth high-refractive-index regions constituting an integrated optical waveguide.

Abstract: A semiconductor laser device in an embodiment includes a compound semiconductor layer and a silicon layer. The compound semiconductor layer includes an active layer emitting laser light and has a first mesa structure. The silicon layer is bonded with the compound semiconductor layer. A diffraction grating is provided on a surface of the silicon layer which faces the compound semiconductor layer, and includes a main diffraction grating and two sub-diffraction gratings. The main diffraction grating extends in a longitudinal direction of the first mesa structure; the sub-diffraction gratings are disposed on both sides of the main diffraction grating.

Abstract: An optical device according to an embodiment includes a laser light source, a first optical waveguide that propagates light being output from the laser light source, a first distribution device that distribute the light into n lights, n second optical waveguides that propagates the n lights being output from the first distribution device, n second distribution devices that distribute each of the n lights into m lights, n×m third optical waveguides arranged in a matrix form and propagates the n×m lights being output from the m second distribution devices, a control electrode that apply a voltage or current to each of the third optical waveguides, and control phase of the light propagating through the third optical waveguides, and an output end surface that output the n×m lights.