Abstract:
A plastic vessel for a pressurized fluid, having an upper end wall and a lower end wall and an intermediate part with an outer wall and internal partition walls. The internal partition walls are placed in such a way in respect of each other and the outer wall that at least two longitudinal compartments for pressurized fluid are formed, which compartments are communicating with each other and run between the end walls. The vessel is non-circular. The outer wall between each pair of partition walls has a curve, with a radius adapted in such a manner that the tensions arising in the outer wall when the vessel is filled with a pressurized fluid will mainly be transformed solely to tensile stress in the partition walls which are joined to the outer wall. The partition walls are joined to the outer wall in the border lines where two such curves meet.
Abstract:
A pressure vessel made of plastic consists of an intermediate tubular part closed at each end by an integral end wall. The vessel includes an internally centered tubular part interconnected to said intermediate part by radially extending partition walls. The walls form a plurality of interconnected fluid compartments. The internal walls receive and transmit axial forces operating on the end walls into all walls of the vessel.
Abstract:
A pressurized storage tank including a chamber in the base thereof for holding a cartridge containing gas producing combustible material which is discharged by causing a firing pin to strike a primer. A check valve in communication with the chamber and tank interior allows the gas from the discharged cartridge to flow in one direction only, from the chamber into the tank. A safety blowout plug prevents over-pressurization and appropriate gauges are provided to measure the internal tank pressure and the outlet line pressure.
Abstract:
Surface vessels and submarines for the transportation of large volumes of fluids are constructed of a plurality of cylindrical segments joined along their edges. The cylindrical segments serve both as the wall of the storage tanks in which the fluids transported are contained and the skin of the vessel. Webs joined to the junctures of the cylindrical segments extend across the interior of the vessel and are joined to junctures of cylindrical segments on the opposite side of the vessel.
Abstract:
A method of and apparatus for reducing the rate at which the heat content of a cryogenic liquid such as liquefied oxygen or nitrogen increases as a consequence of its being necessarily shipped in a partially filled container. The method includes dividing a predetermined volume of the liquid which ordinarily would be loaded into a shipping container therefor into major and minor fractions, the first of which is significantly larger than the second. The major fraction is confined within a container compartment having substantially the same volume as that of the major fraction, and the minor fraction is confined within a container compartment having a substantially larger volume than that of the minor fraction so as to accommodate any enlargement in the volume of the major fraction as a consequence of increases in the heat content thereof. Any such increases in the volume of the major fraction are withdrawn from the container compartment confining the same and are delivered to the container compartment confining the minor fraction. The apparatus includes a tank car having a large container provided with inner and outer wall structures separated from each other to define a heat-insulated space therebetween. The container is subdivided by a bulkhead into major and minor compartments, and means are provided for filling the container with a cryogenic liquid and for withdrawing such liquid therefrom. The minor and major compartments are flow interconnected by valve-equipped conduits that enable any overflow of liquid from the major compartment resulting from temperature-induced volumetric increases in the liquid confined therein to pass into the minor compartment.