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1 Thewavespringwasherswereomittedbythemanufacturercausing forward applied and gas washers travel of the regulator handles when manual pressure was This forward travel ciused the regulators to change flow pressure when an operator grasped a regulator handle. Wave were designed, fabricated and installed. 2 A double lock nut was added to each threaded stem of the three regulators to prevent disengagement of the spring drive collar. It was this disengagement that caused one regulator to fail, damaging module parts 3 The rubber diaphragms were to be protected on the wetted side by Teflon membranes The membranes were incorrectly assembled at the factory, causing leaks and potential diaphragm deterioration. The membranes were relocated to the wetted sides No leaks were subse quently found 4. The Teflon seats had holes that were too large causing an excessive imbalance of gas forces on the diaphragm substantially reduced hole was designed, constructed and inserted in the original regulator seat, greatly reducing the imbalanced forces The LSI-modified regulators were then installed into the test system and successfully denonstrated the capability to provide proper product gas piessure control Advanced Pressure Control Technique. When a water electrolysis cell containing an aqueous electrolyte solution in its matrice and water feed compartment is depressurized rapidly, as may occur following a shutdown, a phenomena known as decompression occurs diver's "bends TI Rapid decompression causes the gas disolved in the electrolyte to come out of solution and expand causing electrolyte shifts which may result in undesirable electrolyte/gas interface relocations These relocations are detrimental to efficient operation and decrease the pressure differential capability of the matrices. To eliminate the adverse side effects of depressurization, LSI derived a technique using motor-controlled regulators which will allow for controlled depressurization as well as repressurization of the OGS. A projected, simulated pressure versus time schedule is shown in Figure 7. Such a "Three-Gas Pressure Controller" has been designed and is presently being built as part of the program activities. package 6 8 x 13 x 17.8 cm (2.7 x S x 7 in) complete with motor-driven controls, assembly and testing of the Three-Gas Pressure Controller is projected for the next annual reporting period. OGS Coolant Pump Leakage. Periodic leakage was observed during the operation of the coolant pump used during previous testing of the SFWES. Upon disassembly feedback position pots and pressure sensors. This unit will be able to control the three fluid pressures in the SFWE-type 0GS Completion of fabrication, 21 A Teflon insert with a This is similar to the deep-sea The unit will be housed in a Lie Systams, AN.PDF Image | STATIC FEED WATER ELECTROLYSIS PROCESS
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