ifc:IfcFanTypeEnum

<xs:simpleType name="IfcFanTypeEnum">
  <xs:restriction base="xs:string">
    <xs:enumeration value="centrifugalforwardcurved"/>
    <xs:enumeration value="centrifugalradial"/>
    <xs:enumeration value="centrifugalbackwardinclinedcurved"/>
    <xs:enumeration value="centrifugalairfoil"/>
    <xs:enumeration value="tubeaxial"/>
    <xs:enumeration value="vaneaxial"/>
    <xs:enumeration value="propelloraxial"/>
    <xs:enumeration value="userdefined"/>
    <xs:enumeration value="notdefined"/>
  </xs:restriction>
</xs:simpleType>