Like any other machine that you have ever, your Keurig coffee maker will also need maintenance and spare parts. Single-serve pod coffee makers | How they work. The coffee is forced through the filter in the bottom of the pod and into the cupįor video representation of how it works, check out this link.Water is forced through a funnel, to increase the pressure, into the pod.Heat the water and force it up to the pod housing.The water is pumped from the water housing into the heating element.Ībove is a diagram from Explain That Stuff that shows the process of brewing coffee in a pod style coffee maker, assuming that a pod has already been inserted in the pod housing. For more information on the pod style coffee maker check out this link. Air Compressor – the air compressor forces pressurized water from the water heater into the pod so that the the water can flow through the pod filter into the cup. Water Pump – the pump moves water from the holding tank to water heater.Ĥ. It heats the water from 20 C to 85 C in under one minute. Water Heater – this component heats the water up so that the beverage is warm when consumed. In the above image, components 2-4 are the main internal features.Ģ. It is also designed to store overflow, so that if a cup is overfilled, or the machine is turned on without a cup underneath it, there will not be a mess. This is where a coffee cup is set in order to get filled up. The drip tray is a removable component on the bottom of the coffee maker. This keeps the coffee maker from being left on too long, and wasting electricity. This “Auto Off” function is a key component for the pod style coffee makers efficiency. This is also where you turn the coffee maker on, and set the “Auto Off” function.
The other blue buttons are controls for different amounts of coffee. The various lights, are different indications of the actions or requirements for the machine. The controls are the main electrical component of the coffee maker. For more information on the pod, visit the link below. As the single serve coffee making has taken off, several companies come out with their own pods, that come in a variety of flavors. The pod is sealed by an aluminum lid on top. As seen in the picture above, there is a small paper filter in the pod, and then the grounds are held in the filter. At the bottom of the cup holder and inside top of the pod housing is a sharp metal pin, that penetrates the top and bottom of the pod when the lid is closed.Ī pod is a small plastic cup that holds a single serving size of coffee grounds. This allows for a pod to fit into the cup holder. When the silver handle on the lid is lifted, the housing tilts forward. The pod housing is a complex mechanical system on the top of the machine that houses the pod (see 2.1 for pod details). That is enough water to fill six cups of coffee. This housing varies in size for different coffee makers, but for the standard Keurig it holds 48 oz. The water housing stores water so that the user does not have to add water every time they make a cup of coffee. The outside of this pod style coffee maker consists of four main components: (1) The water housing, (2) the lid, (3) controls, and the (4) drip tray. Below is a picture of one of the most popular single serve coffee makers on the market, the Keurig.
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