A scent delivery system includes a housing that releases a volatile substance from a porous body into the air. The housing may be part of a scent dispersion device that includes volatilization as directed by a fan and a controller within the housing.

A headpiece (1) worn by a user provides air to the user from which airborne disease particles have been removed. The headpiece includes an air guide (2) through which air flows due to fans (13, 14). Antibacterial and/or antiviral devices (3) such as filters and ultraviolet (UV) disinfecting lights operate as air purifiers to purify air that passes through the air guide. The purified air is delivered to an area between the inside surface of a visor (10) and a face (11) of the person wearing the headpiece.

A shoe care apparatus including a chamber including an air inlet and an air outlet; a first duct connected to the air outlet and having an evaporator and a condenser arranged inside; a second duct connected to the first duct and the air inlet; a holder arranged in the chamber and connected to the air inlet; a fan configured to circulate air through the first duct, the second duct, the holder, the chamber; a compressor configured to discharge a refrigerant to the condenser; a first temperature sensor configured to measure a first temperature of air heated by the condenser; and a controller configured to determine a target temperature of the heated air based on the user input, operate the compressor at the operation frequency based on the target temperature and outside air temperature, and control the operation frequency of the compressor based on the target temperature and the first temperature.

Devices, systems, and methods to selectively emit scent control material responsive to local conditions of a scent control device. The local conditions may dictate the effectiveness of a given set of output parameters of a scent control device. The scent control device accepts as input, one or more conditional inputs carrying information about the local conditions around the scent control device, such as weather conditions, elevation, barometric pressure, or functional status of the scent control device. Operational programs corresponding to the conditional inputs may be automatically selected based on the combination of conditional inputs to cause the output parameters of the scent control device to match or take into account the local conditions. The scent control device then outputs scent control material such as ozone at a rate effective to control one or more scents to a level that is not perceivable by animals or humans.

The humidifier includes a humidification section which vaporizes water to produce humidified air, and a fan which produces in an air passage an air flow delivering the humidified air to the outside. The humidifier further includes a sterilized water producing section which produces sterilized water, an ultrasonic irradiator which produces sterilizing mist through ultrasonic irradiation of the sterilized water, an auxiliary passage through which the sterilizing mist is delivered to the outside, and an operation switching mechanism. The operation switching mechanism is switched between a first operation mode in which the air passage and the auxiliary passage communicate with each other to introduce the sterilizing mist into the air passage, and a second operation mode in which communication between the air passage and the auxiliary passage is blocked.

Described herein are systems and techniques for generating odor impressions of scents. Some embodiments provide odor impressions in an extended reality (XR) environment (e.g., virtual reality (VR) and/or augmented reality (AR)). The system determines spatial characteristics of an odor impression that is to be generated in the XR environment. The system generates one or more commands for generating the odor impression based on the spatial characteristics. The system transmits the command(s) to a controller for execution. The controller may control dispersal of scented media to generate the odor impression.

A essential oil diffuser that gasifies a liquid, such as water, which passes through a screen where it picks up essential oil and diffuses it into the ambient air.

A base of a humidifier includes a housing, an air outlet assembly, and a first partition. The housing includes a receiving chamber, a first air inlet, and a second air inlet. The air outlet assembly is disposed in the receiving chamber and includes a fan, a temperature and humidity sensor, and an aroma component. The first partition is disposed in the receiving chamber and configured to spatially separate the temperature and humidity sensor from the fan and the aroma component. The fan is configured to introduce a first airflow from the first air inlet to pass through the temperature and humidity sensor, and reach the fan; introduce a second airflow flow from the second air inlet to pass through the aroma component without passing through the temperature and humidity sensor, and reach the fan; and discharge the first second airflow out of the receiving chamber through the air outlet.

A component for a vehicle interior configured to dispense scent in a vehicle interior is disclosed. The component may comprise a scent-dispensing apparatus comprising a module configured for at least one scent-dispensing cartridge (removable/replaceable) containing scent media. An actuator may be configured to operate the module in a bypass mode or for selection/actuation of a cartridge. A selected cartridge may be actuated from a sealed state to prevent airflow through scent media to an unsealed state to allow airflow across/through scent media and into the vehicle interior. The actuator may comprise a mechanism (e.g. slider, cam mechanism); each cartridge may comprise a valve mechanism actuated by the actuator; each mechanism may comprise a spring. The module may comprise a fan to provide airflow. The component may provide a user interface. The component may comprise a console, overhead console, floor console, center console, etc.

A propulsion system of an aircraft has at least one unducted fan and at least one ducted fan, the at least one unducted fan and the at least one ducted fan being powered by an electric power source and rotatable between a vertical thrust position and a forward thrust position, and a controller configured to distribute electrical power between the at least one unducted fan and the at least one ducted fan. During a first mode when the at least one unducted fan and the at least one ducted fan are in the vertical thrust position, the controller is configured to distribute the electrical power between the plurality of unducted fans and the plurality of ducted fans such that the at least one unducted fan is a primary source of thrust.