11-2
The two flows are mixed in the space behind the two flow controls (cone valve B), and routed to the
outlet C.
The output concentration control of anesthetic agent vapor is important.
1. The concentration is influenced by the temperature compensator E, which makes use of the
thermal expansion characteristics of different materials to expand or contract, based on heating or
cooling, the airway I. This process compensates for the influence of temperature on the satuation
concentration.
2. The pressure compensating system H effectively reduces the pumping effect.
Control dial position at 0—Vaporizer switched off
Fresh gas flows from the inlet D to the airway I, and then passes the temperature compensator E and
the cone valve B, finally flows out from the outlet C.
The vaporizing chamber G is completely shut off from the gas flow by valves J and K. No
anesthetic-agent can escape from the vaporizing chamber G.
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