Patent ID: 8607690

Claim:
A system for brewing coffee, the system comprising: a boiler including a boiler heating element, the boiler to contain pressurized water at pressures higher than one atmosphere to allow the boiler heating element to heat the water above atmospheric boiling temperature; a heat exchanger extending into the boiler, the heat exchanger having an injector with a plurality of lateral openings to inject water laterally into the heat exchanger in a different direction than the outlet of the heat exchanger, the injector further having a capped end to direct the injected water through the lateral openings, wherein the majority of the lateral openings are placed along the injector between 25-55% of the distance up the heat exchanger and some of the plurality of lateral openings have a diameter of at least 1.2 millimeters; a group head coupled with the heat exchanger and to receive pressurized water above boiling temperature; and a group handle including a container portion to house ground coffee, the container portion to receive pressurized water above boiling temperature from the group head and to brew the ground coffee at temperatures above boiling.