Design of Espresso Machine

Posted by Mars . Modified at Nov 13, 2022

咖啡机原理

Basics

Function of an espresso machine

1. Brew coffee with hot water which is 90℃ and 9bar

Subsystems

Boiler

14L 3 bar pressure to test leak point.

• inlet
• water outlet
• steam outlet
• emergency pressure valve

Pump

Brew system

Control system

Power system

Display instruments

Keywords: Engine