Dispense system for a fluid mixture dispensing device

1. A fluid mixture dispensing device comprising:

a chamber in the fluid mixture dispensing device to hold a fluid mixture having a final dispense volume;

a bottom of the chamber, wherein the bottom is continuously sloped towards a lowest point of the chamber;

a spout at the lowest point of the chamber; and

an upwardly actuating plunger configured to alternatively: (i) seal the spout to hold the fluid mixture having the final dispense volume in the chamber; and (ii) unseal the spout to dispense the fluid mixture from the fluid mixture dispensing device;

the bottom is continuously sloped towards the lowest point of the chamber at greater than or equal to 15.5 degrees;

the chamber has less than 0.3 g of liquid water carryover at room temperature;

the chamber has at least one of a material with a room temperature liquid water contact angle of greater than 90-degrees, and a material with a surface treatment with a room temperature liquid water contact angle of greater than 90-degrees.

2. The fluid mixture dispensing device of claim 1 , wherein:

the upwardly actuating plunger has a head which seals the spout; and

the head has a Shore A hardness of less than 50 Shore A.

3. The fluid mixture dispensing device of claim 1 , wherein:

the upwardly actuating plunger has a head which seals the spout; and

when the spout is unsealed, the head is upwardly actuated to a height above the lowest point of the chamber so that a path for the fluid mixture is at least as wide as a minimum diameter of the spout.

4. The fluid mixture dispensing device of claim 1 , wherein:

the upwardly actuating plunger is made of a material with a room temperature liquid water contact angle of greater than 90-degrees.

5. The fluid mixture dispensing device of claim 1 , wherein:

the spout has a diameter of less than 10 mm; and

the chamber is configured to produce a laminar flow of room temperature liquid water out of the spout at a speed of over 1 liter per minute.

6. The fluid mixture dispensing device of claim 1 , wherein the chamber is configured to:

passively mix a set of ingredients to produce the fluid mixture when the spout is sealed; and

dispense the fluid mixture out of the fluid mixture dispensing device when the spout is unsealed.

7. The fluid mixture dispensing device of claim 1 , wherein:

the chamber is detachable from the fluid mixture dispensing device; and

at least part of the chamber is dishwasher safe.

8. The fluid mixture dispensing device of claim 1 , further comprising:

a lid of the chamber;

wherein the upwardly actuating plunger is attached to the lid of the chamber via an electromechanical valve assembly.

9. The fluid mixture dispensing device of claim 8 , wherein:

the upwardly actuating plunger is detachably attached to the lid; and

the lid is detachably attached to the chamber.

10. The fluid mixture dispensing device of claim 7 , further comprising:

a lid of the chamber;

wherein the chamber is detachably attached to the fluid mixture dispensing device via the lid; and

wherein the lid remains attached to the fluid mixture dispensing device when the chamber is detached.

11. The fluid mixture dispensing device of claim 1 , wherein:

the chamber is shaped so that when the fluid mixture having the final dispense volume is in the chamber a liquid height of the fluid mixture in the chamber is less than 45 mm.

12. The fluid mixture dispensing device of claim 1 , further comprising:

a set of valves;

at least one pump; and

a controller programmed to actuate the set of valves and the at least one pump to dispense the fluid mixture, having the final dispense volume, from the fluid mixture dispensing device;

wherein the chamber is shaped so that room temperature liquid water would flow laminarly out of the spout when a liquid volume in the chamber is: (i) a maximum volume capacity of the chamber; or (ii) 400 ml, whichever is smaller.

13. A reservoir for a fluid mixture dispensing device, the reservoir comprising:

a bottom of the reservoir, wherein the bottom is continuously sloped towards a lowest point of the reservoir;

a spout at the lowest point of the reservoir; and

an upwardly actuating plunger configured to alternatively: (i) seal the spout; and (ii) unseal the spout;

the bottom is continuously sloped towards the lowest point of the reservoir at greater than or equal to 15.5 degrees;

the reservoir has less than 0.3 g of liquid water carryover at room temperature;

the reservoir has at least one of a material with a room temperature liquid water contact angle of greater than 90-degrees, and a material with a surface treatment with a room temperature liquid water contact angle of greater than 90-degrees.

14. The reservoir of claim 13 , wherein:

the upwardly actuating plunger has a head which seals the spout; and

the head has a Shore A hardness of less than 50 Shore A.

15. The reservoir of claim 13 , wherein:

the upwardly actuating plunger has a head which seals the spout; and

when the spout is unsealed, the head is upwardly actuated to a height above the lowest point of the reservoir at least as high as a minimum diameter of the spout.

16. The reservoir of claim 13 , wherein:

the upwardly actuating plunger is made of a material with a room temperature liquid water contact angle of greater than 90-degrees.

17. The reservoir of claim 13 , wherein:

the spout has a diameter of less than 10 mm; and

the reservoir is configured to produce a laminar flow of room temperature liquid water out of the spout at a speed of over 1 liter per minute.

18. The reservoir of claim 13 , wherein the reservoir is configured to:

passively mix a set of ingredients to produce a fluid mixture when the spout is sealed; and

dispense the fluid mixture out of the fluid mixture dispensing device when the spout is unsealed.

19. The reservoir of claim 13 , wherein:

the reservoir is detachable from the fluid mixture dispensing device; and

at least part of the reservoir is dishwasher safe.

20. The reservoir of claim 13 , further comprising:

a lid of the reservoir;

wherein the upwardly actuating plunger is attached to the lid of the reservoir via an electromechanical valve assembly.

21. The reservoir of claim 20 , wherein:

the upwardly actuating plunger is detachably attached to the lid; and

the lid is detachably attached to the reservoir.

22. The reservoir of claim 20 , further comprising:

a lid of the reservoir;

wherein the reservoir is detachably attached to the fluid mixture dispensing device via the lid; and

wherein the lid remains attached to the fluid mixture dispensing device when the reservoir is detached.

23. The reservoir of claim 13 , wherein:

the reservoir is shaped so that when a liquid volume in the reservoir is 150 ml, a liquid height in the reservoir is less than 45 mm.

24. The reservoir of claim 13 , wherein:

the reservoir is shaped so that room temperature liquid water would flow laminarly out of the spout when a liquid volume in the reservoir is: (i) a maximum volume capacity of the reservoir; or (ii) 400 ml, whichever is smaller.

25. A reservoir for a fluid mixture dispensing device, the reservoir comprising:

a bottom of the reservoir, wherein the bottom is continuously sloped towards a lowest point of the reservoir;

a spout at the lowest point of the reservoir;

a plunger; and

an actuator which presses the plunger against the spout; and lifts the plunger off the spout;

the bottom is continuously sloped towards the lowest point of the reservoir at greater than or equal to 15.5 degrees;

the reservoir has less than 0.3 g of liquid water carryover at room temperature;

the reservoir has at least one of a material with a room temperature liquid water contact angle of greater than 90-degrees, and a material with a surface treatment with a room temperature liquid water contact angle of greater than 90-degrees.

26. The reservoir of claim 25 , wherein:

the plunger has a head which seals the spout; and

the head has a Shore A hardness of less than 50 Shore A.

27. The reservoir of claim 25 , wherein:

the spout has a diameter of less than 10 mm; and

the reservoir is configured to produce a laminar flow of room temperature liquid water out of the spout at a speed of over 1 liter per minute.