Modular Blender With Improved Water Heating and Light Beam Detection A Smarter Self-Serve Milkshake Machine

This patent describes a modular self-serve blender, the kind of machine that blends a milkshake or smoothie from a frozen cup at the press of a button, with two improvements: a better way of heating water for cleaning, and a light beam sensing system. It comes from f’real Foods, LLC, the company behind the self-serve blenders found in many convenience stores.

The Problem

Self-serve blending machines have to do two jobs reliably and hygienically. First, between drinks they need to clean the blending spindle, and hot water does that far better than cold, so the machine must heat water quickly and to the right temperature without wasting energy or making the customer wait. Second, the machine needs to know what is happening at the blending station, such as whether a cup is correctly in place, so it does not spin without a cup or spill its contents. Building these functions into a compact, serviceable unit that store staff can maintain easily is a real design challenge.

What This Invention Does

The patent sets out a blender built in a modular way, so parts can be assembled and serviced more easily, with two highlighted upgrades. The improved water heating system delivers hot water for cleaning the blending mechanism more effectively. The light beam detection system uses a beam of light across the blending area to sense conditions at the station, such as the presence and position of a cup, and feeds that information to the machine’s controls. Together these features support cleaner operation and safer, more reliable automatic blending. The patent covers the modular machine and these subsystems.

Key Features

• Modular construction. The blender is built from modules for easier assembly and servicing.
• Improved water heating. A better heating system supplies hot water for cleaning the blending mechanism.
• Light beam detection. A light beam senses conditions at the blending station, such as cup presence.
• Hygienic cycling. Hot-water cleaning between drinks supports food safety.
• Reliable automation. Sensing helps the machine avoid blending without a cup correctly in place.

Who Is Behind It

The applicant is f’real Foods, LLC, a United States company that makes self-serve milkshake and smoothie blenders, now part of the Rich Products family. The named inventors are John Diemer, Steven T. Connell, Kathleen A. Scheible, Kurt J. Ahmann, Patrick M. Goebel, Curtis Tom and Shek Fai Lau.

Why It Matters

Self-serve frozen drink machines live or die on hygiene, reliability and ease of upkeep for busy retail staff. Better cleaning through improved hot water, and smarter station sensing through a light beam, both reduce the chances of a failed or messy serve and help keep the equipment food-safe. A modular design also lowers servicing costs over the life of the machine. Protecting these improvements in Australia supports the company’s foodservice equipment business in the local convenience and quick-service markets.

Related Concepts

• Blender – the core appliance the patent improves.
• Photoelectric sensor – the light beam technology used for detection.
• Water heating – the function upgraded for cleaning.
• Vending machine – the broader category of self-serve dispensing equipment.
• Food safety – the underlying concern that drives the cleaning improvements.

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AU 2026201923 was published in the Australian Official Journal of Patents on 2 April 2026 and is open for public inspection. Patent applications represent inventions that are sought to be protected and do not necessarily reflect commercially available products.