Patent ID: 9057648
Filing Date: 2015-06-16
Classification: F03G,G01K

Abstract:
1. A thermostatic element comprising: a metal cover for soaking in a fluid and having a covering head defined on a top end thereof; a sleeve having a central channel and a seat located at a bottom end thereof; the seat being fixed in the covering head of the metal cover; a filler filled in the metal cover and expanding and contracting based on a mixed temperature of cold water and hot water; a partition disc disposed between the sleeve and the metal cover so as to separate the sleeve from the filler; a piston secured in the central channel of the sleeve and coupling with the filler by ways of a central area of the partition disc, such that when the filler expands thermally or contracts, and the piston is driven by the central area of the partition disc to move in the central channel of the sleeve; characterized in that: the metal cover further has at least two tubular legs axially extending outward therefrom and a connecting portion defined between the covering head and the at least two tubular legs; each tubular leg has a cavity formed therein, and the connecting portion has a common room communicating with the cavity of each tubular leg, such that the filler is filled in the cavity of each tubular leg and the common room; between the at least two tubular legs is defined at least one passage for flowing the fluid.