| 摘要 |
<p>1,174,314. Valves. DISTILLERS CO. (CARBON DIOXIDE) Ltd. 22 May, 1968 [25 May, 1967], No. 24270/67. Heading F2V. Universal dispensing device for supplying carbon dioxide at suitable reduced pressures to various appliances such as, soda syphones, fire extinguishers, dinghies, life-rafts and tyre inflators from a container comprises a reducing valve 12, 14 operated by a diaphragm 13 exposed to pressure in an outlet chamber 13. A loading spring 17 for the diaphragm is adjustable by a screwed retainer 16 connected through a rack and pinion device to pins 31 slidable in an outlet connection 28 and adapted to form a bayonet connection with the appliance. The appliances are arranged so that connection can only be made when the device is adjusted to supply the gas at the required pressure. A trigger operated valve 25 is in series with the reducing valve. The latter comprises a capillary tube 12 connected to the diaphragm and passing through an 0-ring seal to engage a seat 14 carried in a porous plug 10. A piercing member 6 opens the container as the device is coupled. The setting is indicated on a plate 5. A relief valve 19 is included.</p> |
