# US 12,593,872 B2 · Cartridge for use with an aerosol-generating device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,593,872 B2 - Document ID: US12593872B2 - Status: Granted - Kind: B2 - Application number: 18/256,959 - Filed: 2021-12-06 - Published: 2024-02-15 - Granted: 2026-04-07 - Earliest claimed: 2020-12-17 - Assignees: Philip Morris Products S.A. - Applicants: Philip Morris Products S.A. - Inventors: Rui Nuno Rodrigues Alves Batista; Valerio Oliana; Alexandra Sereda; Gianluca Bongiovanni; Bekele Alemu Bedasso - Web page: https://patentgrep.com/patent/US12593872B2 ## CPC - A24F 40/42: Cartridges or containers for inhalable precursors - A24F 40/465: specially adapted for induction heating - A24F 40/485: Valves; Apertures - A24F 40/85: Maintenance, e.g. cleaning - A24F: SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES (inhaling appliances for medical purposes, shaped like cigars, cigarettes or pipes A61M15/06) ## Abstract A cartridge for an aerosol-generating device is provided, the cartridge being engageable with and disengageable from the device, the cartridge including: a mouthpiece; a housing including a susceptor material, the housing defining a cavity configured to receive an aerosol-forming substrate; and an ejector, a portion of the ejector being slideable within the cavity so as to eject the aerosol-forming substrate from the cavity. An aerosol-generating system including an aerosol-generating device and the cartridge is also provided. ## Claims ### Claim 1 A cartridge for an aerosol-generating device, the cartridge being engageable with and disengageable from the device, the cartridge comprising: a mouthpiece; a housing comprising a susceptor material, the housing defining a cavity configured to receive an aerosol-forming substrate; and an ejector, a portion of the ejector being slideable within the cavity so as to eject the aerosol-forming substrate from the cavity. ### Claim 2 (depends on 1) The cartridge according to claim 1, wherein the housing further defines an axial air inlet, a first radial air inlet, and an air outlet downstream of the axial air inlet and the first radial air inlet. ### Claim 3 (depends on 2) The cartridge according to claim 2, wherein the housing further defines a second radial air inlet, the second radial air inlet being spaced from the first radial air inlet axially along the housing. ### Claim 4 (depends on 3) The cartridge according to claim 3, wherein the first radial air inlet comprises a first plurality of holes forming a first annular, air-permeable band in the housing and the second radial air inlet comprises a second plurality of holes forming a second annular, air-permeable band in the housing, the second annular, air-permeable band being spaced axially along the housing from the first air-permeable band. ### Claim 5 (depends on 4) The cartridge according to claim 4, wherein the first air-permeable band has a first permeability to air flow therethrough, and the second air-permeable band has a second permeability to air flow therethrough, and wherein the first permeability is different from the second permeability. ### Claim 6 (depends on 1) The cartridge according to claim 1, wherein an air flow path is defined through the mouthpiece such that air flows through the housing and then through the mouthpiece, and wherein the mouthpiece comprises a constriction zone and an expansion zone, the constriction zone constricting air flow through the mouthpiece and the expansion zone allowing expansion of the air flow in the mouthpiece. ### Claim 7 (depends on 1) The cartridge according to claim 1, wherein the ejector is configured as a stop for the aerosol-forming substrate inserted into the cavity. ### Claim 8 (depends on 1) The cartridge according to claim 1, wherein the housing further comprises a slot which extends axially along the housing, and wherein the slot is configured to allow a user to determine whether the aerosol-forming substrate is located inside the cavity of the housing. ### Claim 9 (depends on 8) The cartridge according to claim 8, wherein the ejector is coupled to the slot. ### Claim 10 (depends on 1) The cartridge according to claim 1, further comprising a locking component of a heat-activated, mechanical locking mechanism and, when the cartridge is engaged with the aerosol-generating device, the locking mechanism is configured to discourage disengagement of the cartridge from the aerosol-generating device if a temperature of a portion of the locking mechanism exceeds a predetermined temperature. ### Claim 11 (depends on 10) The cartridge according to claim 10, wherein the locking mechanism comprises a thermal expansion component, the thermal expansion component being configured to expand when heated to engage with an engagement component of the aerosol-generating device so as to discourage disengagement of the cartridge from the aerosol-generating device. ### Claim 12 (depends on 1) An aerosol-generating system, comprising an aerosol-generating device and a cartridge according to claim 1. ### Claim 13 (depends on 12) The aerosol-generating system according to claim 12, wherein the aerosol-generating device is configured to inductively heat the susceptor material of the cartridge. ### Claim 14 (depends on 12) The aerosol-generating system according to claim 12, wherein the aerosol-generating device comprises a chamber configured to receive the cartridge, a first inductor coil positioned around a first portion of the chamber, and a second inductor coil positioned around a second portion of the chamber, the second portion of the chamber being axially spaced along the chamber from the first portion of the chamber. ### Claim 15 (depends on 14) The aerosol-generating system according to claim 14, wherein the first inductor coil is electrically connected to a first power source and the second inductor coil is electrically connected to a second power source distinct from the first power source.