CHECK VALVE FOR REPEATED FILLING OF AEROSOL DELIVERY DEVICE Russian patent published in 2020 - IPC A61M15/06 A24F47/00 

FIELD: liquid atomisation or spraying devices.

SUBSTANCE: present invention relates to aerosol delivery devices, such as smoking articles, which can use heat generated by electric power for aerosol production, and is aimed at ensuring reliable operation of the device. Device comprises a casing, a mouthpiece, a heating element and a connecting element. Casing forms, with possibility of repeated filling, reservoir for storage of aerosol precursor composition and comprises a mouthpiece coupling element. Mouthpiece is detachably connected to the mouthpiece adapter, heating element is located inside the casing and is configured to activate and evaporate components of the aerosol precursor composition when the air flow passes through the casing. Connecting element is connected to casing, besides, outer surface of connecting element has groove made with possibility of matching with matching tab, located on inner surface of jacket for alignment of connecting element with element of conjugation of mouthpiece for connection with it, and the mouthpiece is detachably connected to the mouthpiece adapter member above the connecting member, wherein the slot is a part of the connecting member. Connecting element is made with possibility of tight connection with reservoir for aerosol precursor composition for repeated filling of reservoir and comprises check valve, having dimensions, which allow it to be located in the mouthpiece coupler interface hole.

EFFECT: disclosed is a check valve for repeated filling of an aerosol delivery device.

12 cl, 12 dwg