Hepa room air purifier

Patent · Tue Dec 16 00:00:00 EST 1986

OSTI ID:6918288

Davis, G B

This patent describes a portable air purification apparatus comprising a housing including a base portion and cover means, the base portion including an air deflection means and a plate means mounted in spaced relationship to the air deflection means so as to create a substantially continuous air exhaust opening therebetween. A centrifugal fan means is disposed between the plate means and the air deflection means and is mounted so as to direct air radially outwardly therefrom through the air exhaust opening, at least one opening through the plate means to permit air flow therethrough to the centrifugal fan means. The motor means carried by the base portion and extends upwardly with respect to the opening in the plate means, the motor means having drive shaft means for driving the centrifugal fan means. An air filter means is mounted between the base portion and the cover means so that air is drawn therethrough toward the centrifugal fan means, and a means for secures the cover means relative to the base means to thereby retain the air filter means therebetween.

• Assignee: Enviracaire Corp., Hagerstown, MD
• Patent Number(s): US 4629482
• OSTI ID: 6918288
• Resource Relation: Patent File Date: Filed date 5 Aug 1985
• Country of Publication: United States
• Language: English

Related Subjects

54 ENVIRONMENTAL SCIENCES
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
AIR FILTERS
DESIGN
OPERATION
BUILDINGS
AIR POLLUTION CONTROL
AIR FLOW
AIR QUALITY
BLOWERS
COVERINGS
EXHAUST SYSTEMS
INDOOR AIR POLLUTION
MECHANICAL TRANSMISSIONS
MOTORS
PLATES
PORTABLE EQUIPMENT
SHAFTS
SPACE DEPENDENCE
AIR POLLUTION
CONTROL
ENVIRONMENTAL QUALITY
EQUIPMENT
FILTERS
FLUID FLOW
GAS FLOW
MACHINE PARTS
POLLUTION
POLLUTION CONTROL
POLLUTION CONTROL EQUIPMENT
500200* - Environment
Atmospheric- Chemicals Monitoring & Transport- (-1989)
320100 - Energy Conservation
Consumption
& Utilization- Buildings