840sevice教学资料 THEORY3.PPTVIP

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2017-04-03 发布于浙江
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840sevice教学资料 THEORY3.PPT

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Pneumatic Theory of Operation 840 IntroductionPneumatic Theory Presentation Modules, Subsystems, and Components in detail Inspiratory Pneumatics Patient Circuit Expiratory Pneumatics Optional Compressor Pneumatics PNEUMATIC THEORY PNEUMATIC THEORY BDU Inspiration Module PNEUMATIC THEORY Optional Patient Circuit PNEUMATIC THEORY BDU Exhalation Module PNEUMATIC THEORY Optional Compressor Module PNEUMATIC THEORY Inspiratory Module Patient Circuit Exhalation Module Compressor Module Pneumatic Theory Pneumatic Theory Gas conditioning Pneumatic Theory Flow control Pneumatic Theory Safety valve and inspiration monitoring PNEUMATIC THEORYGas Supply Conditioning Subsystem PNEUMATIC THEORYGas Supply Conditioning Subsystem Air and O2 Inlet fittings Adapters Available DISS Male BOC DISS Female Draeger NIST Air Liquide PNEUMATIC THEORYGas Supply Conditioning Subsystem PS2 Pressure Switch, Air Normally open contacts Closes by 30 psi Opens by 17 psi Compressor in standby if PS2 is closed F2 Filter, Air 0.3 micron Large capacity Replaced at 10,000 hours PNEUMATIC THEORYGas Supply Conditioning Subsystem WT1 Water Trap, Air Coalescing water trap As pressure increases air holds less water vapor Pressure increases as air flow strikes the bowl and reflects Large capacity Manual drain Use the large external capacity water trap for wet piping systems PNEUMATIC THEORYGas Supply Conditioning Subsystem PS1 Pressure Switch, Oxygen Closes by 30 psi Opens by 17 psi F1 Impact Filter, Oxygen 65 to 110 microns Replaced at 10,000 hours F3 Filter, Oxygen 0.3 Microns Replaced at 10,000 hours PNEUMATIC THEORY PNEUMATIC THEORYGas Supply Conditioning Subsystem Transfer Tubes Oxygen Air Connects filters assemblies to Check Valve Manifold O-rings used to make seal at each end PNEUMATIC THEORYGas Supply Conditioning Subsystem Manifold, Check Valve CV2 Check Valve, Air CV4 Check Valve, Compressor Wall air source CV2 open CV4 closed Compressor air source CV2 closed CV4 open PNEUMATIC TH