A cartridge for selectively dispensing an additive to water that includes a housing, a bladder disposed within the housing, and a pump connected to the housing and in fluid communication with the bladder. The bladder is configured to contain a consumable additive such as a flavor, for water. The pum
A cartridge for selectively dispensing an additive to water that includes a housing, a bladder disposed within the housing, and a pump connected to the housing and in fluid communication with the bladder. The bladder is configured to contain a consumable additive such as a flavor, for water. The pump is operable to selectively dispense an amount of the additive into water. The cartridge may be connected to a water filtration system such that the cartridge may dispense the additive into filtered water.
대표청구항▼
1. A cartridge for selectively dispensing an additive to water, comprising: a housing having a longitudinal axis and a curved cross section formed by first and second convex-shaped sidewalls, whereinthe first and second sidewalls are spaced apart;a reservoir disposed within said housing, said reserv
1. A cartridge for selectively dispensing an additive to water, comprising: a housing having a longitudinal axis and a curved cross section formed by first and second convex-shaped sidewalls, whereinthe first and second sidewalls are spaced apart;a reservoir disposed within said housing, said reservoir containing a consumable water additive; anda pump connected to said housing and in fluid communication with said reservoir, wherein said pump comprises a pump body having a pump opening disposed therein, an inlet check valve positioned in the pump opening, and a diaphragm cooperative with the inlet check valve to define a dose chamber, wherein:said diaphragm comprises an additive outlet check valve,said additive outlet check valve comprises a pair of sealing surfaces,said pump is configured to dispense an amount of the consumable water additive from said reservoir upon activation of said pump; andwherein said cartridge comprises a door opening device disposed along said housing configured to open a door connected to a receptacle and operable to open and close an opening in an interface of the receptacle to permit the consumable water additive to dispense from said cartridge;wherein when a user applies a force to a closed end of the housing, the cartridge is moved toward a body of the interface, the door opening device positioned on the pump body slides through a slot of the interface to engage the door, the door opening device moves the door away from the opening of the interface thus allowing the outlet check valve to move through the opening in the interface and dispense the additive from a bladder, and once the applied force is removed, a spring moves the cartridge back away from the interface body, thus disengaging the door opening device from the door and closing the opening in the interface. 2. The cartridge according to claim 1, wherein said housing comprises an inner radius from about 1.5 inches to about 2.5 inches and an outer radius from about 4.0 inches to about 6.0 inches. 3. The cartridge according to claim 1, wherein said housing is configured to substantially conform to a curved surface of a water filtration system. 4. The cartridge according to claim 1, wherein said cartridge is disposable. 5. The cartridge according to claim 1, wherein the consumable water additive is selected from a group consisting of flavorings, vitamins, minerals and nutrients. 6. The cartridge of claim 1, wherein said inlet check valve comprises an umbrella valve. 7. The cartridge of claim 1, wherein said additive outlet check valve comprises a duckbill valve. 8. The cartridge of claim 1, wherein said diaphragm, inlet check valve, and outlet check valve each comprise a flexible material. 9. A cartridge comprising: a longitudinal axis;a housing having a first convex side wall and a second convex side wall;a reservoir disposed within the housing;a pump connected to said housing in fluid connection with the reservoir, the pump comprising: a pump body; a seal flange extending axially from the pump body forming a fluid channel;a pump opening disposed in the pump body and in fluid communication with the fluid channel formed by the seal flange; an inlet check valve disposed within the pump opening;a cavity disposed in the pump body on a side of the pump body opposite the seal flange and in fluid communication with the pump opening;a diaphragm disposed such that the diaphragm encompasses the cavity and forms a dose chamber, the diaphragm including an outlet check valve in fluid communication with the dose chamber;wherein when a force is exerted along the longitudinal axis against a transverse surface of the diaphragm, the diaphragm is caused to become depressed, increasing the fluid pressure in the dose chamber such that the pressure opens the outlet check valve dispensing a fluid therein; andwherein when the force is released from the transverse surface, the diaphragm expands, causing a vacuum that opens the inlet check valve and pulls the fluid from the reservoir through the fluid channel of the seal flange and the pump opening into the dose chamber ready to be dispensed from the cartridge. 10. The cartridge of claim 9, wherein said outlet check valve comprises a duckbill valve. 11. The cartridge of claim 9, wherein said inlet check valve comprises an umbrella valve. 12. The cartridge of claim 9, wherein said diaphragm, inlet check valve, and outlet check valve each comprise a flexible material.
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