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1. 发明授权

US06207211B1 Roasted coffee and coffee roasting method 有权
标题翻译：烤咖啡和咖啡烘焙方法
公开(公告)号：US06207211B1
公开(公告)日：2001-03-27
申请号：US09274716
申请日：1999-03-22
申请人： Gerald S. Wasserman , Niphon Rerngsamai , Dennis F. Hayes , Edmund Frank Mofford , Chantal Dabdoub
发明人： Gerald S. Wasserman , Niphon Rerngsamai , Dennis F. Hayes , Edmund Frank Mofford , Chantal Dabdoub
IPC分类号： A23F504
CPC分类号： A23F5/10 , A23F5/04
摘要： A two stage coffee roasting process includes a first stage, green coffee beans are roasted for 5-15 minutes to a roast color of 30-50 Lu. In a second stage, the beans are further roasted for ½-3½ minutes to a roast color of 4-19 Lu. The roasted beans have a reduced density in the range of 0.27-0.38, and a roast color of 4-19 Lu. Analysis of sulfur compounds in the coffee aroma reveals a high level of methylmercaptan, a key compound for the pleasant aroma of freshly roasted and ground coffee. Coffee beans roasted in accordance with the present invention have a generally high titratable acidity at a given density and roast color.
摘要翻译：一个两阶段的咖啡焙烧过程包括第一阶段，绿咖啡豆被烘烤5-15分钟，烤的颜色为30-50卢。在第二阶段，豆类进一步烘烤1/2-3.5分钟，焙烤4-19卢。烤豆的密度在0.27-0.38的范围内，焙烤的颜色为4-19Lu。分析咖啡香气中的硫化合物显示出高水平的甲硫醇，这是新鲜焙炒和研磨咖啡令人愉快的香气的关键组合。根据本发明烘焙的咖啡豆在给定的密度和烘烤色中具有普遍高的滴定酸度。

2. 发明授权

US06607768B1 Coffee roasting methods 失效
标题翻译：咖啡烘焙方法
公开(公告)号：US06607768B1
公开(公告)日：2003-08-19
申请号：US09443763
申请日：1999-11-19
申请人： Joachim Eichner
发明人： Joachim Eichner
IPC分类号： A23F504
CPC分类号： A23N12/08 , A23F5/046
摘要： Coffee beans and the like are roasted in an enclosed, pressurized roaster under conditions which provide rapid heat transfer and close control of roasting time-temperature profiles. The roasting chamber desirably has a bottom screen, a top screen and a shutter adapted to momentarily occlude flow through the various portions of the top screen. Roasting gas passes upwardly through the beans, entrains some of the beans and forces them against the top screen. The beans drop back into the chamber when the shutter occludes a particular portion of the top screen holding the beans. Time-temperature profiles can be controlled by monitoring process conditions such as inlet and outlet gas enthalpies.
摘要翻译：在提供快速热传递和密切控制焙烧时间 - 温度曲线的条件下，咖啡豆等在封闭的加压焙烧炉中焙烧。烘焙室理想地具有底部屏幕，顶部屏幕和适于瞬时闭塞流过顶部屏幕的各个部分的快门。焙烧气体向上通过豆类，夹带一些豆子，并迫使它们抵靠顶部筛网。当快门遮挡保持豆类的顶部屏幕的特定部分时，豆子回到室中。时间 - 温度曲线可以通过监测进样条件（如入口和出口气体焓）来控制。

3. 发明授权

US06770315B2 Coffee roaster having multiple roasting stages 有权
标题翻译：咖啡烘焙机具有多个焙烧阶段
公开(公告)号：US06770315B2
公开(公告)日：2004-08-03
申请号：US10137671
申请日：2002-05-02
申请人： Jung S. Moon , Rong Liu , Kitak Chae , Jongrok Kim
发明人： Jung S. Moon , Rong Liu , Kitak Chae , Jongrok Kim
IPC分类号： A23F504
CPC分类号： A23N12/08
摘要： A roaster for roasting coffee beans includes a roasting chamber having a top and a bottom for holding coffee beans when the beans are being roasted, a cover seated on the top of the roasting chamber and a base on which the bottom of the roasting chamber is seated. A device is provided in the base for supplying airflow into the roasting chamber. A controller controls the airflow supplying device to generate a roasting temperature inside the roasting chamber that tracks a predetermined temperature curve. The temperature curve includes a first stage in which the roasting temperature is set to a first predetermined level for a first predetermined time period, and a second stage in which the roasting temperature is set to a second predetermined level that is higher than the first predetermined level. The second stage includes a plurality of stages including a current stage in which the roasting temperature is set to a current predetermined level for a current predetermined time period and a subsequent stage in which the roasting temperature is set to a subsequent predetermined level that is higher than the current predetermined level for a subsequent predetermined time period.
摘要翻译：用于焙烧咖啡豆的焙烧炉包括具有顶部和底部的焙烧室，当焙烧豆时，具有用于保持咖啡豆的烘焙室，位于焙烧室顶部的盖子和焙烤室的底部就座的基座。在基座中设置有用于将气流供应到焙烧室中的装置。控制器控制气流供应装置以在焙烧室内产生跟踪预定温度曲线的焙烧温度。温度曲线包括第一阶段，其中焙烧温度在第一预定时间段内设定在第一预定水平，以及第二阶段，其中焙烧温度被设定为高于第一预定水平的第二预定水平。第二级包括多个级，其包括当前阶段，其中焙烧温度被设定为当前预定时间段的当前预定水平，以及随后的阶段，其中焙烧温度被设定为高于用于随后的预定时间段的当前预定电平。

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