Coffee Roasting Methods TRIZ Cases

See how frying coffee beans in cooking oil with centrifugal separation reduces scorching, carbo

See how a countertop roaster uses microphone-based crack detection and heated air streams to ad

Pre-set feedback corrections let coffee roasters match a master roast profile despite machine differences and changing ambient conditions.

Pre-set corrections in the roasting feedback loop compensate for machine and ambient differences to reproduce consistent coffee roast profiles.

Multiple heat sources and infrared temperature sensing shorten roaster preheating and improve control across changing roasting conditions.

Selective smoke treatment cuts harmful coffee roasting emissions while allowing part of the aroma-rich smoke to enter the room safely.

A lightness ratio guides roasting temperature changes to improve coffee aroma and acidity while reducing off-flavors.

Air-deflecting fins combine airflow convection with metal conduction to stabilize drum-roaster temperature and reduce wasted heat.

A local duct constriction homogenizes hot airflow so an external probe can improve temperature feedback and roasting consistency.

Moderate and brief high-temperature extraction stages raise yield while preserving coffee flavor, mouthfeel, oils, and aroma.

Optimizing chlorogenic acid isomer ratios suppresses thermal decomposition and sourness during heating without adding flavor masking agents.

A rotating fluidized bed roaster injects oxygen gas into hot air streams to mitigate carbon monoxide levels during coffee bean processing.

Cooling roasted coffee beans between -10°C and 8°C modifies chemical composition to maintain freshness during ambient storage without refrigeration.

Heat treatment of light roasted coffee beans at 100-160°C modifies chemical composition to retain chlorogenic acid while eliminating unpleasant aftertaste.

Periodic heating and cooling cycles maintain antioxidant stability during high-temperature roasting.

Infusing coffee beans with reduced-alcohol aromatic beverages transfers authentic flavor compounds while keeping ethyl carbamate levels below 0.3 mg/kg.

Segmented door bearing aligns agitator shaft to maintain mechanical stability while enabling visual monitoring of roasting contents.

Multi-stage extraction of green and roasted beans yields a concentrated coffee composition with high chlorogenic acids, reduced coarseness, and enhanced flavor.

A roasting apparatus uses a distributing device to direct chaffs and roasted beans into separate collectors via independent channels.

An inclined axis mixed-geometry drum reduces acrylamide content by preventing stagnant zones during hot air roasting.

Flash brewed coffee concentrate mixes hot extract with frozen concentrate to chill and increase concentration.

Sealed aluminum pods roast green coffee via induction heating, resolving the trade-off between single-serve convenience and fresh bean quality.

Mixing hot coffee extract with frozen concentrate resolves the trade-off between rapid brewing time and extended shelf-life for commercial transport.

A coffee roasting system uses a detachable heat transfer mechanism to regulate temperature and airflow for uniform bean processing.

Particulate matter sensing detects emission patterns to determine actual roasting degree and adjust process parameters in real time.