Abstract: A vehicle upper structure includes a roof member of a vehicle, a sensor, a sensor cover, and an external cover. The sensor is mounted on an upper part of the vehicle such that at least part of the sensor is located above the roof member. The sensor is configured to emit and receive electromagnetic waves to recognize the external environment of the vehicle. The sensor cover covers at least the part of the sensor that is above the roof member. The external cover covers the sensor cover from outside with a gap between the external cover and the sensor cover.

Abstract: An electromagnetic wave sensor cover, applied to an electromagnetic wave sensor including a transmission unit and a reception unit, includes a cover main body portion that covers the transmission unit and the reception unit. The cover main body portion includes: a base material formed of a resin material and having a transmission property of an electromagnetic wave from the transmission unit; an undercoat layer formed on a rear surface of the base material and having the transmission property of the electromagnetic wave from the transmission unit; a heater portion that is formed of copper in a band shape on a rear surface of the undercoat layer, is configured to generate heat by being energized, and adheres to the base material via the undercoat layer; and a SiO2 coating film having the transmission property of the electromagnetic wave from the transmission unit and covering the heater portion.

Abstract: A near-infrared transmissive cover is configured to cover an emitting unit and a receiving unit that are included in a near-infrared sensor from the front in an emission direction of near-infrared rays. The near-infrared transmissive cover includes a cover body. A framework of the cover body includes a base including a plate-shaped base body. The cover body includes the base body, a decorative layer that protrudes from the base body, a coating layer that is placed on the base body while covering the decorative layer, and a reflection suppression portion located at a rearmost part in the emission direction of the cover body. The decorative layer is formed by a part of the base or a member different from the base. The decorative layer and the coating layer are respectively made of plastic materials having a difference in refractive index of less than or equal to 0.03.

Abstract: An electromagnetic wave transmissive cover is configured to be employed in a vehicle to which a sensor device is attached. The electromagnetic wave transmissive cover includes a cover body that is attached to the vehicle and covers the sensor device from a front side in an emission direction of the electromagnetic waves, and a seal member that provides a seal between the sensor device and the cover body. The seal member includes an attachment base portion that is attached to the cover body while surrounding the electromagnetic wave transmissive portion, and an annular hollow seal portion that is coupled to the attachment base portion and is in contact with the sensor device while surrounding the electromagnetic wave transmissive portion.

Abstract: An electromagnetic wave transmissive cover is configured to be employed in a vehicle equipped with a sensor device. The sensor device is configured to transmit an electromagnetic wave in a transmission direction. The sensor device is arranged in a front end or a rear end of a roof of the vehicle. One of the front end and the rear end in which the sensor device is arranged includes an inclined surface. The inclined surface includes an opening. The electromagnetic wave transmissive cover includes a cover body arranged to close the opening of the inclined surface. The cover body extends along the inclined surface and is inclined with respect to the transmission direction. An anti-reflective portion is arranged on at least one of two surfaces of the cover body in the transmission direction to reduce reflection of the electromagnetic wave.

Abstract: An electromagnetic wave transmissive cover is configured to be employed in a vehicle to which a sensor device including an electromagnetic wave transmissive portion is attached. The electromagnetic wave transmissive cover includes a cover body that covers the sensor device from the front in the emission direction of electromagnetic waves, and a seal member that is attached to the cover body. The seal member is configured to be disposed between the sensor device and the cover body. The seal member includes a foam seal portion that is formed by foaming an elastic material. The foam seal portion is configured to be in contact with the sensor device in a state of surrounding the electromagnetic wave transmissive portion.

Abstract: An electromagnetic wave transmissive cover is configured to be employed in a vehicle to which a sensor device is attached. The electromagnetic wave transmissive cover includes a cover body that is attached to the vehicle and covers the sensor device from a front side in an emission direction of the electromagnetic waves, and a seal member that provides a seal between the sensor device and the cover body. The seal member includes an attachment base portion that is attached to the cover body while surrounding the electromagnetic wave transmissive portion, and an annular hollow seal portion that is coupled to the attachment base portion and is in contact with the sensor device while surrounding the electromagnetic wave transmissive portion.

Abstract: A method for manufacturing a near-infrared sensor cover includes arranging a mask in a region of an undercoating layer formed on a rear surface of a base, the region being different from a heater formation region in which a heater is to be formed and different from a belt-shaped separation region extending along an edge of the heater formation region, forming a heat-generating film on the mask and the undercoating layer, the heat-generating film being made of the conductive heat-generating material, peeling, using a laser, the heat-generating film formed in the separation region, and removing the mask and the heat-generating film formed on the mask. The separation region has a width that is set to be smaller than a beam diameter of each of near-infrared rays transmitted from the transmitting portion.

Abstract: A vehicle-mounted structure includes: an exterior member mounted on a vehicle; an electromagnetic wave transmission cover including a cover portion attached to the exterior member and exposed to an outside of the vehicle, and a housing integrated with the cover portion and arranged on a back surface side of the cover portion; and an electromagnetic wave device located on the back surface side of the cover portion and accommodated in the housing. The cover portion has a mounting region for mounting a functional member, a first joining region to be joined to the housing, and a second joining region to be joined to the exterior member. The first joining region and the second joining region are provided on an outer peripheral side of the mounting region avoiding the mounting region.

Abstract: An electromagnetic wave sensor cover includes a cover body. The cover body includes a base layer made of synthetic resin and permitting passage of an electromagnetic wave, one or more metal oxide layers permitting passage of the electromagnetic wave and being conductive, one or more low refractive index layers permitting passage of the electromagnetic wave and made of material that has a lower refractive index than material of the metal oxide layer, and two electrodes. The base layer includes a front surface and a rear surface in a transmission direction of the electromagnetic wave. The metal oxide layer and the low refractive index layer are laminated adjacent to each other in the transmission direction. A laminate of the metal oxide layer and the low refractive index layer is laminated on the front surface or the rear surface of the base layer.

Abstract: An electromagnetic wave transmission cover includes: a design portion disposed on a front side of a vehicular electromagnetic wave device and exposed to an outside of a passenger compartment of a vehicle; a housing integrated with the design portion and disposed on a back side of the design portion; and a heating element provided integrally with the design portion. The housing is lower in thermal conductivity than the design portion.

Abstract: A vehicle exterior part is configured to be arranged frontward of a millimeter wave radar device with respect to the transmission direction of millimeter waves. The vehicle exterior part includes an ornamental body, a light source that emits light, and a light diffuse reflection member. The light diffuse reflection member is millimeter wave-transmissive and diffuses and reflects light. The ornamental body includes a base and an ornamental layer. The base is millimeter wave-transmissive and diffuses and transmits the light. The ornamental layer is millimeter wave-transmissive and arranged frontward of the base with respect to the transmission direction. The light source, the ornamental body, and the light diffuse reflection member are arranged so that the light emitted from the light source is diffused and reflected by the light diffuse reflection member and directed toward the base.

Abstract: A method for manufacturing a near-infrared sensor cover includes arranging a mask in a region of an undercoating layer formed on a rear surface of a base, the region being different from a heater formation region in which a heater is to be formed and different from a belt-shaped separation region extending along an edge of the heater formation region, forming a heat-generating film on the mask and the undercoating layer, the heat-generating film being made of the conductive heat-generating material, peeling, using a laser, the heat-generating film formed in the separation region, and removing the mask and the heat-generating film formed on the mask. The separation region has a width that is set to be smaller than a beam diameter of each of near-infrared rays transmitted from the transmitting portion.

Abstract: An electromagnetic wave sensor cover, applied to an electromagnetic wave sensor including a transmission unit and a reception unit, includes a cover main body portion that covers the transmission unit and the reception unit. The cover main body portion includes: a base material formed of a resin material and having a transmission property of an electromagnetic wave from the transmission unit; an undercoat layer formed on a rear surface of the base material and having the transmission property of the electromagnetic wave from the transmission unit; a heater portion that is formed of copper in a band shape on a rear surface of the undercoat layer, is configured to generate heat by being energized, and adheres to the base material via the undercoat layer; and a SiO2 coating film having the transmission property of the electromagnetic wave from the transmission unit and covering the heater portion.

Abstract: A fluid pressure booster for a braking device includes a control piston on which an input brake operation acts in an advancing direction, and a reaction force based on fluid pressure of a booster fluid pressure generation chamber acts in a retracting direction. A pressure increasing valve is provided between a valve chamber communicating with a fluid pressure generation source and the booster fluid pressure generation chamber. A pressure reducing valve is provided between a release chamber communicating with a reservoir and the booster fluid pressure generation chamber. At least one contraction portion is formed between an outer periphery of a front portion of the pressing rod and an inner periphery of a front portion of a valve seat member.

Abstract: A vehicle brake device includes an elastic body being formed such that a circulation of an operation fluid is permitted from a front end to a rear end of the elastic body until a filling rate of the elastic body reaches a predetermined value in a filling area where deformation of the elastic body is stopped by restraint of a control piston in a state where a forward stroke of the control piston is less than at least a predetermined stroke, but the circulation of the operation fluid is stopped when the filling rate reaches the predetermined value or more.

Abstract: A vehicle braking apparatus includes: a control piston configured to operate so that a reaction force based on the fluid pressure of the boosted fluid pressure application chamber is balanced with a braking operation input from the brake operation member; an elastic member including: a first face adapted to contact with a simulator piston connected to the brake operation member and slidably accommodated in the control piston; and a second face; a sliding member adapted to contact with the second face, the sliding member being accommodated in the control piston; a spring disposed between the sliding member and the control piston; and an odd-shaped portion disposed on at least one of the first and second faces of the elastic member, the odd-shaped portion configured to increase a contacting area of the elastic member and at least one of the simulator piston and the sliding member.

Abstract: A fluid pressure booster for a braking device includes a control piston on which an input brake operation acts in an advancing direction, and a reaction force based on fluid pressure of a booster fluid pressure generation chamber acts in a retracting direction. A pressure increasing valve is provided between a valve chamber communicating with a fluid pressure generation source and the booster fluid pressure generation chamber. A pressure reducing valve is provided between a release chamber communicating with a reservoir and the booster fluid pressure generation chamber. At least one contraction portion is formed between an outer periphery of a front portion of the pressing rod and an inner periphery of a front portion of a valve seat member.

Abstract: A vehicle brake device includes an elastic body being formed such that a circulation of an operation fluid is permitted from a front end to a rear end of the elastic body until a filling rate of the elastic body reaches a predetermined value in a filling area where deformation of the elastic body is stopped by restraint of a control piston in a state where a forward stroke of the control piston is less than at least a predetermined stroke, but the circulation of the operation fluid is stopped when the filling rate reaches the predetermined value or more.

Abstract: A vehicle braking apparatus includes: a control piston configured to operate so that a reaction force based on the fluid pressure of the boosted fluid pressure application chamber is balanced with a braking operation input from the brake operation member; an elastic member including: a first face adapted to contact with a simulator piston connected to the brake operation member and slidably accommodated in the control piston; and a second face; a sliding member adapted to contact with the second face, the sliding member being accommodated in the control piston; a spring disposed between the sliding member and the control piston; and an odd-shaped portion disposed at least one of the first and second faces of the elastic member, the odd-shaped portion configured to increase a contacting area of the elastic member and at least one of the simulator piston and the sliding member.