Espresso machine

Common card · No. 209984

An espresso machine is a device that brews coffee by rapidly forcing heated, pressurized water through a small, compressed cake (commonly called a puck) of finely ground coffee and a coffee filter to produce a thick, concentrated coffee called espresso. Espresso machines vary significantly in design and operation. They may be steam-driven, piston-driven, pump-driven or air-pump-driven, and may be manual, semi-automatic, or fully automatic in operation. An espresso machine may even incorporate a built-in coffee grinder, and, in the case of a superautomatic machine, mechanisms for automating the entire process, such that a shot of espresso may be produced by a single touch from the user. They range in size and application from small appliances to much larger commercial appliances and coffee vending machines, including 'prosumer' machines which combine commercial or professional features in consumer machines. Despite this variety, many espresso machines may be understood to share some common...

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