An aroma diffuser device for diffusing selected scents into the airspace of interior habitable spaces is disclosed. The disclosed device includes multiple diffusers for diffusing multiple scents into a fan-induced airstream. Two, three or more diffusers can be included in and/or upon the device.

A treadmill may include two separate left and right belts rotating around two sets of rollers, four legs having an adjustable height via air suspension to customize an inclination of the treadmill, a thermoelectric assembly, a fragrance assembly having a rotating fragrance cartridge to emit various smells toward a user of the treadmill, a display on which exercise programs are played, and an attachment module having a dispensing tray on which treats are dispensed. A handle of the treadmill may have a sensor to sense a height and front-rear position, and a belt divider provided between the left and right belts may have position or proximity sensors to sense a left-right position. An inclination of the treadmill may be automatically adjusted according to positions detected by the sensors, and the fragrance assembly, attachment module, and inclination may be automatically operated in accordance with an exercise program played on the display.

The present invention relates to personal care compositions comprising malodor reduction compositions and methods of making and using such personal care compositions. Such personal care compositions comprising the malodor control technologies disclosed herein provide malodor control without leaving an undesireable scent and when perfume is used to scent such compositions, such scent is not unduely altered by the malodor control technology.

A vent register includes an adjustable vane, an actuator carried on the adjustable vane and a fragrance element carried on the actuator. A related method of distributing a fragrance in a passenger compartment of a motor vehicle is also disclosed.

Aspects of the present disclosure include a method of managing scent in an environment, which includes disposing at least one scent diffusion device within an environment, wherein the at least one scent diffusion device comprises a communications facility that enables transmitting signals to and receiving signals from a remote computer, receiving at least one target value of a scent parameter for the environment at the remote computer, and controlling, via the remote computer, diffusion of a liquid from a source of the liquid in fluid communication with the at least one scent diffusion device to achieve the target value of the scent parameter. Controlling a diffusion rate of the liquid includes altering at least one of a voltage and a duty cycle applied to at least one component of the diffusion device.

Methods, systems, and devices are disclosed for implementing switchable dispensing and/or delivery of scented substances. In one aspect, a device includes a cartridge structured to include one or more chambers containing one or more scented substances contained in a corresponding chamber, a housing structured to include a compartment to hold the cartridge, an opening to allow the scented sub stances to dispense to an outer environment from the device, and one or more transporting channels formed between the compartment and the opening, in which each of the one or more transporting channels is configured to accelerate a scented substance from the corresponding chamber to the opening, and an actuator switch arranged in a corresponding transporting channel and operable to move between an open position and a closed position based on an applied signal to selectively allow passage of the scented substance from the corresponding transporting path.

Various fragrance dispensers are disclosed. The fragrance dispenser can include a core unit that has a connection unit and a control unit. The fragrance dispenser can include a cartridge that is configured to engage with the core unit. The cartridge can include an impeller and a fragrant material. The fragrance dispenser can have a motor that drives the impeller, thereby dispersing the fragrance. The cartridge can be configured to disengage from the connection unit, such as when the cartridge reaches a depleted state.

An air enhancing device (1) for disseminating molecules and/or other substances into the air is disclosed comprising a base frame (5) configured to be fixedly mounted in a wall, panel, or furniture of a human accessible space, in particular in an in-wall box or an in-wall cavity in a wall of a building; a cartridge holder (7) attached to the base frame (5) and configured to receive a removable cartridge, the cartridge being designed to contain a fluid substance; and a fan and/or microblower configured to draw air into the air enhancing device (1) and expel air containing at least a portion of the substance out of the air enhancing device (1) into the human accessible space; and/or an emission module attached to the base frame (5) in fluid communication with the cartridge and configured to distribute a portion of the fluid substance into the air.

The present disclosure provides a perfume retaining structure, a method of manufacturing the perfume retaining structure, and a scent providing device that can reduce ventilation resistance of air that passes through a space in which a perfume retainer is arranged. The perfume retaining structure includes the perfume retainer, a retaining space in which the perfume retainer is arranged, and a first opening and a second opening that allow the retaining space to be opened to the outside. The retaining space has a ventilation area that faces the first opening and the second opening, and a retaining area that is arranged adjacent to the ventilation area and communicates with the ventilation area, and the perfume retainer is arranged in the retaining area.

An essential oil diffuser including multiple diffuser channels. Each diffuser channel includes an air pump and a cartridge assembly. The cartridge assemblies are removable receivable within a chassis assembly of the diffuser.