Air circulation and ventilation system for use in ambulances

Ventilation – Vehicle – Having forced recirculation

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Details

454141, 454156, B60H 126

Patent

active

057162697

ABSTRACT:
An air flow system for use in ambulance is generally comprised of a blower unit mounted in the ceiling of the ambulance's patient compartment, an air conditioning condenser, and a series of exhaust vents extending through the sidewalls of the patient compartment and positioned adjacent the floor. The exhaust vents each include a fan mounted therein for drawing the air in the patient compartment thereto and forcing the air out of the compartment. The blower unit includes louvers to permit selective air direction control, but essentially the blower unit always directs the conditioned air vertically downwardly over a patient supported on a stretcher, thereby creating an air curtain around the patient.

REFERENCES:
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patent: 3841324 (1974-10-01), Kruiswijk
patent: 3926099 (1975-12-01), Grunenwald
patent: 4608834 (1986-09-01), Rummel
patent: 4633769 (1987-01-01), Milks
patent: 4721031 (1988-01-01), Nakata et al.
patent: 4785227 (1988-11-01), Griffin
patent: 4870895 (1989-10-01), Mayer
patent: 5205781 (1993-04-01), Kanno et al.

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