US 12,225,941 B2
Cartridge for a vaporizer device
Ariel Atkins, San Francisco, CA (US); Christopher L. Belisle, Somerset, WI (US); Steven Christensen, Burlingame, CA (US); Alexander M. Hoopai, San Francisco, CA (US); Eric Joseph Johnson, San Francisco, CA (US); Jason King, San Francisco, CA (US); Esteban Leon Duque, Berkeley, CA (US); Matthew Rios, San Francisco, CA (US); Christopher James Rosser, Cambridge (GB); Andrew J. Stratton, Royston (GB); Alim Thawer, Cambridge (GB); and James P. Westley, Cambridge (GB)
Assigned to JUUL Labs, Inc., San Francisco, CA (US)
Filed by JUUL Labs, Inc., San Francisco, CA (US)
Filed on Oct. 17, 2019, as Appl. No. 16/656,360.
Application 16/656,360 is a continuation in part of application No. 16/653,455, filed on Oct. 15, 2019, granted, now 10,905,835, issued on Feb. 2, 2021.
Claims priority of provisional application 62/915,005, filed on Oct. 14, 2019.
Claims priority of provisional application 62/913,135, filed on Oct. 9, 2019.
Claims priority of provisional application 62/812,148, filed on Feb. 28, 2019.
Claims priority of provisional application 62/812,161, filed on Feb. 28, 2019.
Claims priority of provisional application 62/747,099, filed on Oct. 17, 2018.
Claims priority of provisional application 62/747,130, filed on Oct. 17, 2018.
Claims priority of provisional application 62/747,055, filed on Oct. 17, 2018.
Prior Publication US 2020/0128874 A1, Apr. 30, 2020
Int. Cl. A24F 40/10 (2020.01); A24F 40/42 (2020.01); A24F 40/48 (2020.01); A24F 40/485 (2020.01); A24F 40/44 (2020.01)
CPC A24F 40/48 (2020.01) [A24F 40/10 (2020.01); A24F 40/42 (2020.01); A24F 40/485 (2020.01); A24F 40/44 (2020.01)] 17 Claims
OG exemplary drawing
 
1. A vaporizer comprising:
a reservoir configured to contain a liquid vaporizable material, the reservoir at least partially defined by at least one wall, the reservoir comprising a storage chamber and an overflow volume;
an atomizer configured to convert the liquid vaporizable material to a gas-phase state;
a primary passageway comprising a first channel for conveying the liquid vaporizable material from the storage chamber to the atomizer; and
a collector disposed in the overflow volume, the collector comprising a capillary structure having a secondary passageway configured to retain a volume of the liquid vaporizable material in fluid contact with the storage chamber, the secondary passageway comprising a microfluidic feature configured to prevent air and liquid from bypassing each other during filling and emptying of the collector, the microfluidic feature allowing the liquid vaporizable material to move along a length of the secondary passageway only with a meniscus fully covering a cross-sectional area of the secondary passageway such that ambient air can enter the storage chamber through the secondary passageway and such that the liquid vaporizable material that enters the secondary passageway from the storage chamber is at least temporarily retained within the overflow volume thereby preventing the liquid vaporizable material from leaking from the vaporizer cartridge;
wherein the primary passageway and the secondary passageway are each separately and fluidly connected to the storage chamber and to the atomizer.