Method and apparatus to control air distribution doors in an air

Details Method and apparatus to control air distribution doors in an air Method and apparatus to control air distribution doors in an air

1998-03-10

2000-03-28

Joyce, Harold

Ventilation

Vehicle

454121, B60H 126

Patent

active

060424729

ABSTRACT:
An air handling system includes at least two doors to control the flow of air to achieve a selected mode. A first door travels through a first path, and a second door travels through a second path which intersects the first path. A first final position is determined for the first door and a second final position is determined for the second door to achieve the selected mode. It is determined whether the two doors will collide when traveling to the respective final door positions and it is determined whether both doors could be closed simultaneously while rotating to the final positions. A relief door is maintained at a partially open position.

REFERENCES:
patent: 4356966 (1982-11-01), Kado
patent: 4762169 (1988-08-01), Andersen et al.
patent: 4844150 (1989-07-01), Nakazawa
patent: 5016704 (1991-05-01), Ono
patent: 5338249 (1994-08-01), Hildebrand et al.
patent: 5582234 (1996-12-01), Samukawa et al.

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