Steam generator for a garment care device

The cyclonic chamber system and steam engine in the handheld unit address inefficiencies in steam vaporization and temperature control, providing effective steam generation and rapid fabric temperature adjustments, reducing spitting and fabric damage.

EP4759989A1Pending Publication Date: 2026-06-17VERSUNI HLDG BV
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Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
VERSUNI HLDG BV
Filing Date
2024-12-16
Publication Date
2026-06-17

AI Technical Summary

Technical Problem

Existing garment care devices face issues with inefficient steam vaporization and temperature control in handheld units, leading to spitting and potential damage to fabrics due to condensation and limited power supply, as well as slow temperature adjustments for different fabric types.

Method used

The handheld unit incorporates a cyclonic chamber system with multiple cyclonic chambers and a steam engine to separate and reheat steam, ensuring efficient vaporization and temperature control, using cyclonic chambers to redirect steam flow smoothly and a labyrinth pathway for heating, along with a steam channel and distribution chamber to maintain ironing plate temperature.

Benefits of technology

This design minimizes spitting on garments and allows quick adaptability to various fabric types by ensuring efficient steam generation and temperature control, enhancing ironing performance.

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Abstract

The invention relates to a steam generator (SG) comprising an ironing plate (IP) comprising at least one steam vent (SV). The ironing plate defines a planar ironing surface (xy). The steam generator comprises a steam input (IN) for receiving an input steam flow (F1), and an optional first cyclonic chamber. The steam generator also comprises a second cyclonic chamber (CC2) comprising at least one steam inlet (CC2_I) and at least one steam outlet (CC2_O1, CC2_O2). The at least one steam inlet of the second cyclonic chamber is fluidly connected to the steam input. The second cyclonic chamber acts as a fluid separator. The second cyclonic chamber has a second axis of cyclonic rotation being substantially parallel to the planar ironing surface (xy). The at least one steam outlet of the second cyclonic chamber is fluidly connected to the at least one steam vent.
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Citation Information

Patent Citations

  • Steam ironing device having vortex generation elements for obtaining vortices in the steam flow

    US20070193076A1

  • Steam discharge unit for use in a soleplate of a steam iron

    CN102421959A

  • Iron comprising a device for retention and vaporisation of condensates

    EP3336240B1

  • Steam device

    US20170260684A1