F - Mech Eng,Light,Heat,Weapons – 16 – T
Patent
F - Mech Eng,Light,Heat,Weapons
16
T
137/139
F16T 1/12 (2006.01)
Patent
CA 1254486
Abstract A flow controller apparatus having few moving parts that may be inserted directly into a flow line to be responsive to flow pressure and maintain the flow rate constant. The flow controller consists of a tubular frame section having an internal bore that is a revolutional chamber having a maximum cross-sectional diameter at the inlet end and tapering, either linearly or non-linearly, toward a minimum cross-sectional area across a throat portion. A control rod and differential pressure plate supported axially movably in said chamber is spring biased toward the inlet end of the chamber, and is movable in response to upstream flow pressure to adjust the cross-sectional fluid flow area to maintain a constant flow rate. In addition, the use of such flow rate controller enables the construction of a portable type of fluid pressure and flow rate control apparatus that is suitable for instantaneous set-up and usage in the many applications where it is necessary to reduce pressure and flow rate from a high pressure, high volume liquid or gas source for supply to a low pressure, low volume output requirement. The pressure apparatus consists of an inlet coupling with primary valve control connected through a pressure regulator to a relief valve, and output at reduced pressure is applied through a flow controller device, of a type to be described, that is responsive to maintain a constant, reduced pressure flow rate output for conduction and use as required. A contaminant separator may be uti- lized prior to the flow controller. The basic pressure apparatus may also include various optional components such as fluid cooling equipment, flow rate indicators, ancillary control valves, and a suitable form of skid base to enable easy movement and positioning at a work space.
525342
Company Halliburton
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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