Method and apparatus for opening and closing an air outlet of an

Details Method and apparatus for opening and closing an air outlet of an Method and apparatus for opening and closing an air outlet of an

1996-12-10

1998-05-05

Joyce, Harold

Ventilation

Having forced recirculation

Forced recirculation alone

454234, 454306, 454316, 454324, F24B 1320

Patent

active

057466556

ABSTRACT:
An air conditioner includes a housing having an air inlet at its lower end. An air outlet is formed in an air discharge member which is mounted at an upper end of the housing. The discharge member is vertically movable relative to the housing, whereby the outlet is closed by a portion of the housing when the discharge member is in a lowermost position and becomes progressively opened as the discharge member is raised. Sensors are provided for detecting various positions of the discharge member during its vertical movement. The discharge member is moved by a main electric motor, and an auxiliary motor is moved into an operative position for vertically moving the discharge member when the main motor malfunctions.

REFERENCES:
patent: 4020753 (1977-05-01), Efstratis
patent: 4545379 (1985-10-01), Jenkins
patent: 5461875 (1995-10-01), Lee et al.

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