Gas Flow Theory of Operation
1 - 14 046-006272-00 A7™ Service Manual
1.3.3 Key to Symbols
1.3.4 Description
1.3.4.1 Anesthetic Gas Delivery System
The anesthetic gas delivery system is connected to the gas supply, anesthetic gas delivery device
(vaporizer) and breathing system. The system inputs N2O, O2 and AIR from the gas supply assembly
and outputs gas mixture of the three gases and anesthetic agent (fresh gas), pure O2 (high-pressure
O2 output , auxiliary O2 supply and flushing O2), or AIR-O2 mixture. The following figure shows the
pneumatic circuit of the anesthetic gas delivery system.The ACGO is configured in electrical modes
FIGURE 1-5
Filter
Regulator
Pressure Gauge
Check Valve
Gas Supply Connector
Pressure Relief Valve
Flowmeter
Flow Control Valve
Pressure Switch
Flow Restrictor
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