Patent ID: 8522811

Claim:
An auto flow steam trap comprising a hollow body having a partition panel securely mounted in the hollow body and having at least one through hole formed through the partition panel; and a drain hole formed through the partition panel and separated from the at least one through hole of the partition panel; an upper chamber defined above an upper surface of the partition panel; a drain channel defined above the upper surface of the partition panel, separated from the upper chamber, and corresponding to and communicating with the drain hole of the partition panel; a lower chamber defined below a lower surface of the partition panel; at least one condensate inlet formed through the body and communicating with the upper chamber; and a transverse outlet formed through the body and communicating with the drain channel; at least one float seat mounted in the body on the partition panel and through the at least one through hole of the partition panel, and each of the at least one float seat having a mounting panel mounted on the upper surface of the partition panel and having a through hole formed through the mounting panel; a middle tube formed on and protruding down from a lower surface of the mounting panel, formed around the through hole of the mounting panel, protruding through a corresponding through hole of the partition panel and into the lower chamber of the body, and having at least one flowing hole formed through the middle tube and disposed adjacent to a distal end of the middle tube; a tubular strainer mounted on and around an upper surface of the mounting panel; an outer tube mounted on the upper surface of the mounting panel and around exterior of the tubular strainer; and a clearance formed between a lower end edge of the outer tube and the upper surface of the mounting panel; and at least one float assembly mounted in the at least one float seat, and each of the at least one float assembly having a float movably mounted in the tubular strainer; and an adjusting tube securely mounted on and protruding down from a bottom of the float, slidably mounted through the through hole of the mounting panel of a corresponding float seat, protruding into the middle tube of the corresponding float seat and having at least one flowing hole formed through the adjusting tube.