There is provided a fiber molded body for sound absorbing/sound insulation materials, which is lightweight and has excellent sound absorption performance. The fiber molded body for sound absorbing/sound insulation materials of the present invention is a fiber molded body for sound absorbing/sound insulation materials comprising uncolored ultrafine chemical fibers and colored fibers or reclaimed fibers, wherein the single fiber fineness of the ultrafine chemical fibers is 0.01 to 0.5 dtex, the content of the ultrafine chemical fibers is 5 to 70 mass % and the content of the colored fibers or the reclaimed fibers is 20 to 60 mass %, in the fiber molded body for sound absorbing/sound insulation materials.

An acoustic damping material includes a binder matrix which includes a bitumen component or a polymer component, and a filler component that includes at least one solid particulate cellulose-containing filler. The acoustic damping material is suitable for use in damping of undesired vibrations and noise in mechanical structures and components of manufactured articles. The acoustic damping material may be applied to damping of vibrations and noise in transportation vehicles and white goods, to a vibration and noise damping element including a damping layer composed of the acoustic damping material, to a method for applying a vibration and noise damping element to a noise emitting surface of a substrate, and to a vibration damped system comprising a substrate and the vibration and noise damping element bonded to a noise emitting surface of the substrate.

An acoustic damping material includes a binder matrix which includes a bitumen component or a polymer component, and a filler component that includes at least one solid particulate cellulose-containing filler. The acoustic damping material is suitable for use in damping of undesired vibrations and noise in mechanical structures and components of manufactured articles. The acoustic damping material may be applied to damping of vibrations and noise in transportation vehicles and white goods, to a vibration and noise damping element including a damping layer composed of the acoustic damping material, to a method for applying a vibration and noise damping element to a noise emitting surface of a substrate, and to a vibration damped system comprising a substrate and the vibration and noise damping element bonded to a noise emitting surface of the substrate.

The vehicle headliner includes a base layer, a skin layer disposed on one side of the base layer, and an infrared reflecting layer and a protection layer, in this order, disposed on the other side of the base layer. The base layer contains thermoplastic resin and fiber. The protection layer is a non-stretched resin layer containing a thermoplastic resin having a melting point of 200° C. or more.

A sound-absorbing member has a Helmholtz resonance structure including an inlet passage and a hollow portion connected to the outside through the inlet passage, wherein the sound-absorbing member includes a first layer and a second layer disposed on the first layer, the first layer includes a first main surface and a second main surface opposite to the first main surface, the second layer includes a third main surface facing the second main surface and a fourth main surface opposite to the third main surface, the first layer includes a first through-hole penetrating through the second main surface from the first main surface and defining the inlet passage, the second main surface includes a second main surface opening defining an end portion of the first through-hole and a second main surface flat portion, the third main surface includes a third main surface opening defining an end portion of the hollow portion and a third main surface flat portion, the second main surface opening has an opening area smaller than the opening area of the third main surface opening, and a first air layer is formed at least at a portion between the second main surface flat portion and the third main surface flat portion.

A sound-absorbing member has a Helmholtz resonance structure including an inlet passage and a hollow portion connected to the outside through the inlet passage, wherein the sound-absorbing member includes a first layer and a second layer disposed on the first layer, the first layer includes a first main surface and a second main surface opposite to the first main surface, the second layer includes a third main surface facing the second main surface and a fourth main surface opposite to the third main surface, the first layer includes a first through-hole penetrating through the second main surface from the first main surface and defining the inlet passage, the second main surface includes a second main surface opening defining an end portion of the first through-hole and a second main surface flat portion, the third main surface includes a third main surface opening defining an end portion of the hollow portion and a third main surface flat portion, the second main surface opening has an opening area smaller than the opening area of the third main surface opening, and a first air layer is formed at least at a portion between the second main surface flat portion and the third main surface flat portion.

Provided herein is a system and method for cooling of a vehicle. The system comprises an enclosure disposed on the vehicle. The enclosure comprises a fan disposed at a base of the enclosure, one or more sensors within the enclosure, and a cover on an exterior of the enclosure. The cover comprises a hole pattern to selectively permit an airflow to enter the enclosure. The hole pattern comprises a plurality of holes to filter noise from the airflow. A deflector is disposed on the vehicle outside the enclosure and configured to direct an airflow through the hole pattern.

Provided herein is a system and method for cooling of a vehicle. The system comprises an enclosure disposed on the vehicle. The enclosure comprises a fan disposed at a base of the enclosure, one or more sensors within the enclosure, and a cover on an exterior of the enclosure. The cover comprises a hole pattern to selectively permit an airflow to enter the enclosure. The hole pattern comprises a plurality of holes to filter noise from the airflow. A deflector is disposed on the vehicle outside the enclosure and configured to direct an airflow through the hole pattern.

A defibrillation system may include a cardiac arrest detector detecting whether cardiac arrest of a passenger has occurred in a state of taking a seat of a self-driving vehicle and fastening a seatbelt of the vehicle; a passenger posture detection device detecting a posture of the passenger; a seat driving device changing the posture of the passenger into another posture in which the passenger lies down based on a detection signal of the passenger posture detection device when the cardiac arrest of the passenger occurs; a heart position detector configured to search for a position of a heart of the passenger; a defibrillation robot to perform a CPR method or a method using an AED on the heart of the passenger; and a controller controlling operation of the seat driving device, the heart position detector, and the defibrillation robot based on detection signals of the cardiac arrest detector and the passenger posture detection device.

A defibrillation system may include a cardiac arrest detector detecting whether cardiac arrest of a passenger has occurred in a state of taking a seat of a self-driving vehicle and fastening a seatbelt of the vehicle; a passenger posture detection device detecting a posture of the passenger; a seat driving device changing the posture of the passenger into another posture in which the passenger lies down based on a detection signal of the passenger posture detection device when the cardiac arrest of the passenger occurs; a heart position detector configured to search for a position of a heart of the passenger; a defibrillation robot to perform a CPR method or a method using an AED on the heart of the passenger; and a controller controlling operation of the seat driving device, the heart position detector, and the defibrillation robot based on detection signals of the cardiac arrest detector and the passenger posture detection device.