| 摘要 |
469,266. Liquid - blast switches. BRITISH THOMSON-HOUSTON CO., Ltd. April 17, 1936, No. 11086. Convention date, April 17, 1935. [Class 38 (v)] The pressure chamber b of a liquid-break explosion-chamber type of switch is provided with a pressure-relieving passageway f leading from the under side of the hollow fixed contact e into an upper pressure space provided between apertured walls g, which act as a liquid separator for restoring the expelled liquid to the space c. A gas vent his provided. Alternatively, Fig. 2, a number of circumferentiallyarranged passageways f passing through the cover k of the chamber b may be provided. When the passageway is outside the chamber it may serve also as a liquid gauge.
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