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 efficient steam generation and quick temperature adjustment for diverse fabrics, minimizing spitting and fabric damage.

EP4759990A1Pending Publication Date: 2026-06-17VERSUNI HLDG BV
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Patent Information

Application Number
EP2024220276
Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
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 water droplets, enhance steam vaporization, and adjust temperature efficiently, using a labyrinth pathway and protruding ribs for improved heat transfer.

Benefits of technology

This design achieves efficient steam generation with minimal spitting, quick temperature adaptation for various fabrics, and effective heating of the ironing plate, ensuring optimal treatment without fabric damage.

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Abstract

The invention relates to a steam generator (SG) comprising an ironing plate (IP) comprising at least one steam vent. The ironing plate defines a planar ironing surface. The steam generator also comprises a steam input for receiving an input steam flow. The steam generator also comprises a first cyclonic chamber (CC1) comprising a steam inlet fluidly connected to the steam input. The first cyclonic chamber comprises a steam outlet (CC1_O) in fluid communication with the at least one steam vent. The first cyclonic chamber acts as a fluid separator. The first cyclonic chamber (CC1) comprises a first chimney (CH1) and a second chimney (CH2) both being arranged coaxially around the steam outlet (CC1_O) of the first cyclonic chamber.
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Citation Information

Patent Citations

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

    US20120042547A1

  • Iron comprising a device for retention and vaporisation of condensates

    EP3336240A1

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

    US20070193076A1

  • Steam iron

    US20170268160A1

  • Steam iron head

    US20170268162A1