Importance

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Abstract

A condensate trap is provided with a liquid supply hole and a liquid discharge hole, as well as a vapor discharge hole located in the upper side of the casing. A cylindrical chamber is located in the casing in which chamber an expansion piston can move. A hollow piston rod is attached to the lower side of the expansion piston. The liquid supply hole communicates with the chamber around the piston rod. The wall of the piston rod has throttling ports which extend in tangential direction. A siphon is located in the piston rod underneath the throttling ports. In the piston rod underneath the siphon is located a further throttling port, which can communicate with the liquid discharge hole when the expansion piston moves up. The space in a further chamber underneath the bottom of the piston rod communicates via a channel with the liquid discharge hole.

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First Claim