The Americans are now 3-1-0 in the tournament and are tied with Latvia for first place with nine points in Group A, although Latvia currently has a game in hand.
The U.S. took a 1-0 lead 5:17 into the opening period when Brock Nelson intercepted an errant pass at the right faceoff dot and wristed a shot in over the shoulder of Andreas Bernard.
Nelson tallied again while shorthanded early in the second to give Team USA a 2-0 lead. Then, Anders Lee scored 1:54 later on the power play to put the U.S. up by three at the 7:47 mark of the second.
Eichel finished with 16:45 of ice time and four shots. He was on the ice for Lee's goal. Dylan Larkin notched two assists while Jimmy Howard made nine saves to pick up the shutout.
Team USA is off until Saturday when they'll match up against Zemgus Girgensons and the Latvians at 6:15 a.m.
