| 摘要 |
1,230,340. Discharging liquids. HONEYWELL Inc. Nov.24, 1969 [Nov.26, 1968], No.57409/69. Heading F1R. [Also in Division H1] In a rupturable sealing arrangement, (Fig.2A), a flexible diaphragm 25 e.g. cold finished sheet steel, is provided across an opening 22 so as to prevent the passage of fluids otherwise than when it ruptures in response to a sufficient fluid pressure difference applied across it, and the opening 22 has a first diameter where the diaphragm 25 is disposed across it and a second smaller diameter adjacent to and spaced from the diaphragm, the progression from the first to the second diameter being abrupt so as to define an annular edge 26 so that diaphragm 25 impinges on it when flexed by an applied differential pressure which has a magnitude less than that required to rupture the diaphragm. The diaphragm ruptures when the pressure exceeds a predetermined value. The sealing arrangement can be used in a deferred-action battery Fig.1 to initially seal off the activator compartment 11 containing the electrolyte solution or solvent in a compressible container from the battery compartment 12 by providing it in the bulkhead 13 which separates the two compartments. The diaphragm 25 is held in place in a recessed opening in bulkhead 13 by an annular collar 27. The diameter of opening 22 defined by bulkhead 13 and collar 27 is enlarged for a short distance on either side of diaphragm 25, the enlarged portion of collar 27 giving rise to the annular edge 26 at its internal diameter. The battery is activated by rupturing diaphragm 25 and forcing the electrolyte into compartment 12 by means of the percussion actuated gas generator mounted in cover 15. A pull on hammer release mechanism 34 operates hammer 33 which strikes firing pin 32 which acts against primer 31 to cause a detonation which ignites gas generating squib 30. The gases are forced into compartment 11 and the pressure developed on the compressible electrolyte container is transmitted to diaphragm 25 which bursts. |
