Showing papers on "Pipeline (computing) published in 1969"

Method and apparatus for supporing a pipeline in permafrost environment

Abstract: THE APPARATUS OF THE INVENTION COMPRISES A REFRIGERATION UNIT HAVING AN EVAPORATIVE CHAMBER POSITIONED BELOW THE PIPELINE AND A CONDENSER CHAMBER SURROUNDING THE PIPELINE. THE REFRIGERATION UNIT IS CONSTRUCTED SO THAT EXPANSION IN THE EVAPORATION CHAMBER FREEZES THE EARTH BENEATH THE PIPELINE TO FORM A PIER OR VERTICALLY EXTENDING SUPPORTING STRUCTURE OF FROZEN EARTH, AND SO THAT THE COMPRESSION AND CONDENSATION OF THE REFRIGERANT FLUID HEATS THE PIPELINE. THE METHOD OF INSTALLING A PIPELINE IN A PERMAFROST ENVIRONMENT INCLUDING THE STEPS OF LAYING THE PIPELINE BELOW THE SURFACE OF THE GROUND, CONTINUOUSLY FREEZING THE SOIL BELOW THE PIPELINE AT LOCATION SPACED LONGITUDINALLY THEREALONG TO FROM A SERIES OF FROZEN EARTH PILES SUPPORTING THE PIPELINE, AND CONCURRENTLY, HEATING THE PIPELINE AT LONGITUDINALLY SPACED INTERVALS THEREALONG TO PREVENT CONGELATION OF LIQUIDS BEING MOVED IN THE PIPELINE.

Nonbleed high-pressure positioner

Abstract: The positioner actuates a pipeline control valve, utilizing the full pressure of the pipeline for its operation, and is constructed to minimize bleeding and waste of the pipeline fluid in normal operation. Automatic operation depends entirely upon pressure differentials in the pipeline system.

Transportable Pipeline Structure

Abstract: 1,151,173. Articulated pipes; pipe couplings. F. W. SCHWING. 2 May, 1967 [3 May, 1966], No. 30233/67. Headings F2G and F2P. A transportable pipeline structure comprises a platform 6 upon which is mounted a pipeline 1 with its outlet end disposed at a higher level than its inlet end adjacent the platform 6, the pipeline being formed from a plurality of end-toend connected sections 1 each supported in a frame 2, the adjacent ones of which are connected to form a framework for the assembled pipeline sections, at least the outlet portion of the pipe being rotatably mounted relative to the base. As shown, a support 7 for the pipeline 1 is mounted on the platform 6 by a slewable mounting 3 the pipeline being provided with either a rotary joint, not shown, or a flexible portion, not shown, in the region of the mounting 3. Each frame 2 consists of a section of pipeline 1 supported at its ends in a frame 2 by sleeves 14, 14a mounted in transverse members 13, 13a, respectively, the sleeve 14 of one frame entering the sleeve 14a of the adjacent frame below to provide a joint between the pipeline sections of the two frames, and mandrels 16 on the transverse member 13 being received in corresponding apertures 17 in the adjacent transverse member 13a below and being connected by wedges, not shown, driven into slots 18 in the mandrels 16. The pipeline assembly can be raised in the support 7, e.g. by a manually operable winch or by an hydraulic or pneumatic piston and cylinder assembly so that an additional frame can be placed in the support whereupon the assembly of interconnected frames above can be lowered and connected to the additional frame. The winch, or the piston and cylinder assembly, can also be used for removing a pipeline section. The uppermost frame has a projecting pipeline section which is supported by a tie-rod 10 and is counterbalanced by a weight 12, a flexible hose 22 being connected to the outlet of the pipeline section. In a modification, Fig. 2, (not shown), the support (7) is mounted upon a horizontal pivotal axis (8) on the platform (6) of a self-propelled vehicle, the inclination of the assembly being adjustable e.g. by an hydraulic or pneumatic piston and cylinder assembly (5), and only the upper part of the pipeline being slewable at a rotary joint (4). Material, e.g. concrete, can be pumped from a hopper (24) into the pipeline (1) by means of a pump (23). The pivotable axis (8) may be mounted on a slewable joint to which the lower end of the piston and cylinder assembly (5) is connected.

Measuring velocities in multiphase systems

Abstract: METHODS AND APPARATUS TO MEASURE THE VELOCITES OF ALL OR SELECTED ONES OF THE COMPONENTS OF A MULTICOMPONENT MATERIAL TRANSMISSION SYSTEM RADIOACTIVE TRACERS, EACH COMPATIBLE WITH ONLY ONE COMPONENT IN THE SYSTEM ARE UTILIZED VARIOUS ELECTRONIC EMBODIMENTS TO HANDLE THE DATA, MEANS TO CLAMP THE DETECTORS TO A PIPELINE, AND MEANS TO INJECT RADIOACTIVE GASEOUS AND LIQUID TRACERS ARE DISCLOSED

Slurry storage and liquid injection arrangement for preventing plug formation in a shut-down slurry pipeline

Abstract: Method and apparatus for preventing plug formation in a shutdown slurry pipeline. Upon pipeline shutdown, slurry is removed from those portions of the pipeline in which plug formation caused by slumping and compacting of the slurry solid phase under the force of gravity is likely to occur. Substantially simultaneously with this operation, slurry liquid phase material, i.e., the slurry carrier, is introduced into the pipeline.

Method of supporting warm pipeline in arctic region

Abstract: A STABLE PIPELINE IN PERMAFROST AREAS IS ACHIEVED BY LAYING PIPE ON SPACED SUPPORTS EXTENDING AWAY FROM THE PIPELINE AND INTO THE SOLIDLY FROZEN PERMAFROST SO AS TO PREVENT SINKING OF THE PIPELINE INTO A THAWED ZONE PRODUCED BY HEAT LEAKAGE FROM WARM FLUID CARRIED IN THE PIPELINE.

A simple method for the rapid assembly of carbon dioxide laser tubes

Abstract: A technique is described for the rapid assembly of carbon dioxide laser tubes using standard glass pipeline units. This method has been successfully used to construct a carbon dioxide laser amplifier operating at 10·6 μm and has proved both simple and convenient.