The power transmission and conversion system of a ventilator is defined as which of the follow-ing?
a. A mechanical device that produces gas flow to the patient.
b. An electrical motor that is connected by a special gearing mechanism.
c. The system that interprets the settings and produces or regulates the desired output.
d. Internal hardware that changes electrical or pneumatic energy into mechanical en-ergy.
ANS: D
The power transmission and conversion system changes the energy from the power source into mechanical energy. The linear drive piston is a mechanical device that produces gas flow to the patient. The drive mechanism is an electrical motor that is connected by a special gearing mecha-nism. It is the control system that interprets the operator settings and produces or regulates the desired output.
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