Abstract: A volatile composition dispenser comprises a volatile composition container comprising at least one volatile composition therein. A rupture element is positioned proximate to the volatile composition container. The volatile composition container comprises a cam comprising a camming surface. The camming surface is configured to move at least a portion of the rupture element toward the volatile composition container to puncture the volatile composition container and release at least a portion of the volatile composition from the volatile composition container such that the portion of the volatile composition evaporates and exits the volatile composition dispenser.

Abstract: A volatile composition dispenser is configured to be used in a vehicle. The volatile composition dispenser comprises a housing and a fan positioned at least partially within the housing. The fan is configured to intermittently activate to move a volume of air. The volatile composition dispenser further comprises a controller in electrical communication with the fan and positioned within the housing, and a replaceable unit configured to be attached to the housing and positioned at least partially within the housing.

Abstract: A cartridge configured to be releasably connectable with a housing is provided. The cartridge has a reservoir for containing a fluid composition. The reservoir includes a top surface, a bottom surface vertically opposing the top surface, and a sidewall that joins the top and bottom surfaces. The reservoir also includes a sponge disposed within the reservoir and a microfluidic die disposed adjacent to the sidewall. The fluid composition is gravity fed from the reservoir to the microfluidic die. The microfluidic die is configured to dispense the fluid composition in an upward dispensing direction in opposition to the force of gravity. The microfluidic die may be disposed at an acute angle from the interior of the cartridge and relative to the bottom surface of the reservoir.

Abstract: A microfluidic delivery device is provided. The microfluidic delivery device includes a housing electrically connectable with a power source. A cartridge is releasably connectable with the housing. The cartridge has a reservoir for containing a fluid composition and microfluidic die in fluid communication with the reservoir. The microfluidic die is configured to dispense substantially all of the fluid composition in an upward direction relative to horizontal. The microfluidic delivery device also includes a fan that is connected with the housing. The fan is configured to generate air flow that converges with and redirects the fluid composition dispensed from the microfluidic die in a first direction to a second direction that is different from the first direction.

Abstract: A cartridge that is releasably connectable with a housing of a microfluidic delivery device is provided. The cartridge has a reservoir for containing a fluid composition and a microfluidic die in fluid communication with the reservoir. The microfluidic die is configured to dispense substantially all of the fluid composition in a horizontal direction or downward direction relative to horizontal. The cartridge also includes an air flow channel disposed below the reservoir. The air flow channel extends from a fan to an air outlet. The air flow channel comprises a first region disposed adjacent to a fan, a second region disposed adjacent to the air outlet, and a third region joining the first and second regions. At least the second region is angled upward to the air outlet, relative to horizontal.

Abstract: A microfluidic delivery device and method of dispensing a fluid composition therefrom is provided. The microfluidic delivery device includes a housing electrically connectable with a power source; a cartridge releasably connectable with the housing; and a fan connected with the housing. The cartridge has a reservoir for containing a fluid composition and microfluidic die in fluid communication with the reservoir. The die is configured such that substantially all of the fluid composition exits the microfluidic die in a horizontal direction or downward direction relative to horizontal. The fan is configured to generate air flow that converges with and redirects the fluid composition dispensed from the microfluidic die in an upward direction relative to horizontal.

Abstract: Microfluidic delivery systems and methods for dispensing a fluid composition into the air comprising microfluidic die and at least one heating element that is configured to receive an electrical signal comprising a certain on-time and wave form to deliver a fluid composition into the air.

Abstract: A method of delivering a volatile material to the atmosphere in a continuous manner is disclosed. The method includes providing a delivery engine having a reservoir that includes a volatile material mixture. The volatile material mixture includes about 40% to about 100%, by total weight, of the volatile materials each having a vapor pressure at 25° C. of less than about 0.1 torr. The delivery system also includes a microporous membrane enclosing the reservoir, wherein the microporous membrane comprises an average pore size of about 0.01 to about 0.03 microns.

Abstract: Ink jet delivery systems comprising a fluid composition comprising a perfume mixture having a boiling point of less than 250° C. and an ink jet to deliver the fluid composition into the air, whereby scent longevity, perfume character, room fill, and/or functional benefits (e.g. odor elimination) are provided.

Abstract: A microfluidic fluid delivery device and method. The device includes a reservoir and a transport member. The device includes a microfluidic delivery member including a microfluidic die configured to release a fluid composition from the device. The microfluidic delivery member includes an adapter configured to receive an end portion of the transport member, wherein a capillary passage is formed between the adapter and the transport member. The capillary passage has a largest effective pore size that is smaller than the average effective pore size of the transport member.

Abstract: A device comprises a delivery engine comprising a volatile composition and a microporous membrane, and an evaporation assistance element. In some embodiments the device includes a fan is configured to move a volume of air over the microporous membrane to facilitate evaporation of the volatile composition into the atmosphere.

Abstract: A method of delivering a volatile material to the atmosphere in a continuous manner is disclosed. The method includes providing a delivery engine having a reservoir that includes a volatile material mixture. The volatile material mixture includes about 40% to about 100%, by total weight, of the volatile materials each having a vapor pressure at 25° C. of less than about 0.1 torr. The delivery system also includes a microporous membrane enclosing the reservoir, wherein the microporous membrane comprises an average pore size of about 0.01 to about 0.03 microns.

Abstract: A drone which can be piloted autonomously or by a user. The drone has an air treatment dispenser for spraying, or otherwise treating, a target area with one or more desired air treatments. The drone may operate as deemed desirable by a user, upon a predetermined schedule or in response to a demand signal from one or more target areas. By delivering the air treatments from an elevated position, the target area can be more uniformly and efficiently treated.

Abstract: A cartridge having a microfluidic die and a fluid composition in fluid communication with the microfluidic die is provided. The fluid composition includes from about 50% to about 100%, by weight of the fluid composition, of a perfume mixture, wherein the perfume mixture has a mol-weighted average C log P of less than or equal to about 2.9; a polyol; and from about 0.25 wt. % to about 9.5 wt. %, by weight of the fluid composition, of water.

Abstract: An improved air filter bag comprising a height from about 35 cm to about 50 cm; a nominal diameter from about 10 to about 40 cm; and a first taper angle from about 65° to about 83° is provided.

Abstract: A volatile composition dispenser and a method of dispensing a volatile composition is provided. The volatile composition dispenser includes a reservoir for containing a volatile composition and a transport member having a first end portion and an opposing second end portion, and an evaporative surface. The first end portion of the transport member is in fluid communication with the reservoir and the second end portion of the transport member is in fluid communication with the evaporative surface. The volatile composition dispenser also includes an air pump in gaseous communication with the reservoir.

Abstract: Microfluidic delivery systems for dispensing a fluid composition into the air comprising microfluidic die and at least one heating element that is configured to receive an electrical signal comprising a certain on-time and wave form to deliver a fluid composition into the air.

Abstract: Microfluidic delivery systems for dispensing a fluid composition into the air comprising microfluidic die and at least one heating element that is configured to receive an electrical signal comprising a certain on-time and wave form to deliver a fluid composition into the air.

Abstract: A microfluidic refill includes a reservoir having a hollow body and an opening; a transport member in fluid communication with the reservoir; and a lid enclosing the opening of the reservoir. The lid is in fluid communication with the transport member. The lid comprises a rigid microfluidic delivery member. The rigid microfluidic delivery member includes a die and electrical traces that are in electrical communication with the die, wherein the electrical traces terminate at electrical contacts, wherein the electrical traces are disposed on only one plane. The die has a fluid chamber in fluid communication with the transport member at an inlet of the fluid chamber and with an orifice at an outlet of the fluid chamber and.

Abstract: A device comprises a delivery engine comprising a volatile composition and a microporous membrane, and an evaporation assistance element. In some embodiments the device includes a fan is configured to move a volume of air over the microporous membrane to facilitate evaporation of the volatile composition into the atmosphere.