.~.~.~> Having forced recirulation means alone {2}
DEFINITION
Classification: 454/99
Having forced recirculation:
(under subclass 83) Subject matter comprising an air moving apparatus which contacts and directly forces air from one location within the ventilated space to another separate location within the space.
(1) Note. Recirculating flow must directly contact and be driven by an air moving apparatus to be included in this and indented subclasses. Subject matter wherein recirculating flow is merely "induced" by a separate forced flow is not included in this and indented subclasses.
SEE OR SEARCH THIS CLASS, SUBCLASS:
139+, for forced recirculation in other types of vehicles.
205, for recirculation combined with window features.
228+, for forced recirculation within a static structure, (e.g., building).
