Air conditioned and ambient fresh air supply system for respirator users
OwnerMichael Dean Asbra, Serena Therese Asbrainventors
Life of this patent
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Abstract
A portable air conditioning and ambient fresh air supply system that provides ambient fresh or conditioned air to a user wearing a respirator. The apparatus comprises a cabinet having an upper chamber and a lower chamber. The lower chamber holds a refrigerant air conditioning system and the upper chamber holds a blower that supplies cooled air to the surroundings. The user is able to control the temperature of the conditioned air by means of a control panel and the air flow rate by a blower control switch. An air outlet manifold supplies fresh or conditioned air through an air supply line to a respirator mask.
Claims19
An air conditioned and ambient fresh air supply system for a respirator user comprising:
- (a) a cabinet including:
- (i) an upper chamber;
- (ii) a lower chamber;
- (iii) an insulated partition separating the upper chamber from the lower chamber, said insulated partition having a blower inlet opening between the upper chamber and the lower chamber, said insulated partition having an air relief hole therethrough;
- (b) a refrigerant air conditioning unit that is entirely contained within the lower chamber, said refrigerant air conditioning unit:
- (i) including an ambient air inlet for drawing air from the surrounding environment;
- (ii) being adapted to cool ambient air drawn through the ambient air inlet;
- (iii) including a first conditioned air outlet for discharging cooled air;
- (c) a blower in the upper chamber, said blower comprising:
- (i) a blower inlet that is in fluid communication with the first conditioned air outlet of the refrigerant air conditioning unit through the blower inlet opening;
- (ii) a blower outlet comprising a cool air supply tube;
- (iii) a blower fan that is adapted to draw cooled air from the first conditioned air outlet of the air conditioning unit through the blower inlet and discharge the cooled air from the first conditioned air outlet of the air conditioning unit through the cool air supply tube;
- (iv) a blower control switch that may be operated by a user to regulate the rate at which cooled air is discharged through the cool air supply tube within a range of 0-97 cubic feet per minute.
A mobile air supply system for a respirator user comprising:
- a mobile cabinet having an first chamber and a second chamber;
- an insulated partition separating the first chamber and the second chamber of the mobile cabinet;
- a first opening formed in the insulated partition;
- an air conditioning (AC) unit disposed entirely within the first chamber and having an inlet and a first outlet, the AC unit configured to draw ambient air in through the inlet, to cool the ambient air, and then discharge the cooled ambient air via the first outlet so that the cooled ambient air discharged from the first outlet is directed through the first opening in the insulated partition;
- and
- a blower disposed in the second chamber of the cabinet and having an inlet and an outlet, wherein the inlet of the blower is operatively joined to the first opening in the insulated partition such that the cooled ambient air discharged from the first outlet of the AC unit flows through the first opening of the partition and then into the inlet of the blower and is then discharged via the outlet of the blower.
Dependencies are inferred from the claim text.