# How LG's Steam Closet Organizes Its Internal Components

> A design patent for a clothing care system that stacks a steam generator and heat pump in a specific, space-saving arrangement within the base of the unit.

- **Patent:** US RE48900
- **Original title:** USRE48900E1 - Fabric treating apparatus
- **Owner:** LG Electronics Inc
- **Granted:** 2022
- **Status:** Active
- **Times cited:** 1
- **Field:** consumer_electronics, mechanical

## What it does

This patent describes the physical layout of a high-end garment steamer or fabric refresher. It specifically claims a structural arrangement where a heat pump module is elevated on a shelf, creating a dedicated 'machinery room' space underneath it. A steam-generating module is tucked into this lower space, and the system controller is positioned even lower, beneath the steam generator. This stacking architecture allows the manufacturer to pack complex air-conditioning and steam-generating components into a compact footprint at the base of the machine.

## What it does NOT cover

- Does not cover the chemical process of steam generation or the specific heat pump cycle.
- Does not cover external aesthetic designs or the user interface of the fabric treating apparatus.
- Does not cover general garment hanging mechanisms or interior lighting systems.
- Does not cover devices that lack the specific 'machinery room' stacking configuration defined by the shelf and supporter tabs.

## The clever bit

The innovation lies in the use of a shelf-and-tab system that creates a 'dead space' beneath the heat pump, allowing the steam generator to be nested underneath without increasing the overall height or width of the appliance.

## Real-world examples

1. LG Styler clothing care systems

## Why it matters

This patent is essential for LG's Styler product line, which popularized the home dry-cleaning cabinet category. By securing the rights to this specific internal layout, LG protects its ability to maintain a slim, appliance-like form factor while housing bulky industrial components like heat pumps and steam boilers. It represents a shift in home appliances toward integrated, multi-function systems that require precise mechanical engineering to fit in a residential closet or laundry room.

## Frequently asked questions

### What does How LG's Steam Closet Organizes Its Internal Components cover?

A design patent for a clothing care system that stacks a steam generator and heat pump in a specific, space-saving arrangement within the base of the unit.

### Who owns patent US RE48900?

LG Electronics Inc owns this patent, granted in 2022.

### When does this patent expire?

This patent is expected to expire on January 25, 2042, when the invention enters the public domain.

### What is patent US RE48900 cited by?

This patent has been cited by 1 later patents that build on its ideas.

### What problem does this patent solve?

This patent is essential for LG's Styler product line, which popularized the home dry-cleaning cabinet category. By securing the rights to this specific internal layout, LG protects its ability to maintain a slim, appliance-like form factor while housing bulky industrial components like heat pumps and steam boilers. It represents a shift in home appliances toward integrated, multi-function systems that require precise mechanical engineering to fit in a residential closet or laundry room.

### What does this patent NOT cover?

Does not cover the chemical process of steam generation or the specific heat pump cycle.

**Full plain-English explainer:** https://patentbrief.org/patent/us/RE48900/cftr-modulator-combinations

**Original patent:** https://patents.google.com/patent/USRE48900

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_Source: PatentBrief — https://patentbrief.org. Patent facts are from public records; the plain-English explanation is PatentBrief's._