Back to results
US 2021/0330853 A1Published application
Air purification apparatus
OwnerDavid Mizandariinventor
Life of this patent
Estimating the term…
Abstract
Disclosed is an air purification apparatus comprising an air inlet and an air outlet; an air passage in fluid communication with the air inlet and the air outlet comprising a filtration section comprising a HEPA filter; and an ultraviolet (UV) light treatment section, wherein air in the filtration section and the UV light treatment section are treated with UV light.
Claims20
An air-purification apparatus comprising
- an air inlet and an air outlet;
- an air passage in fluid communication with the air inlet and the air outlet comprising
- a filtration section comprising a HEPA filter wherein the HEPA filter is treated with UV light while air passes through it;
- and
- an ultraviolet (UV) light treatment section wherein filtered air from the filtration section is treated with UV light.
2 more elements
An air purification device, comprising
- an air inlet and an air outlet;
- an internal air passage in fluid communication with the air inlet and the air outlet;
- an impeller in the internal air passage;
- a sensor to measure rotational speed of the impeller;
- a computer instantiated controller;
- and
- a non-transitory computer readable storage medium comprising a plurality of computer readable instructions embodied thereon which, when executed by the controller, causes the controller to:
- receive a plurality of measurements from the sensor, the measurements providing information about impeller rotational speed in the air passage during respiration of a user of the air purification device;
- average the values obtained from a plurality of measurements obtained during user inhalations and average the values obtained from a plurality of measurements obtained during user exhalations;
- determine the difference between the average rotational speed value obtained during inhalations and the average rotational speed value obtained during exhalations;
- compare the difference between the average rotational speed value obtained during inhalations and the average rotational speed value obtained during exhalations with an empirically determined dimensionless factor;
- and
- provide instructions to an actuator coupled to the impeller to decrease or increase power supplied to the impeller to decrease or increase impeller rotation speed.
10 more elements
A non-transitory computer readable storage medium comprising a plurality of computer readable instructions embodied thereon which, when executed by a controller of an air purification device comprising an air inlet and an air outlet;
- an internal air passage in fluid communication with the air inlet and the air outlet;
- an impeller in the internal air passage;
- and a sensor to measure rotational speed of the impeller;
- wherein the plurality of computer readable instructions causes the controller to:
- receive a plurality of measurements from the sensor, the measurements providing information about impeller rotational speed in the air passage during respiration of a user of the air purification device;
- average the values obtained from a plurality of measurements obtained during user inhalations and average the values obtained from a plurality of measurements obtained during user exhalations;
- determine the difference between the average rotational speed value obtained during inhalations and the average rotational speed value obtained during exhalations;
- compare the difference between the average rotational speed value obtained during inhalations and the average rotational speed value obtained during exhalations with an empirically determined dimensionless factor;
- and
- provide instructions to an actuator coupled to the impeller to decrease or increase power supplied to the impeller to decrease or increase impeller rotation speed.
7 more elements
A method for controlling air flow through an air purification device comprising an air inlet and an air outlet;
- an air passage in fluid communication with the air inlet and the air outlet;
- an impeller in the internal air passage;
- and a sensor to measure rotational speed of the impeller;
- the method comprising the controller:
- receiving a plurality of measurements from the sensor, the measurements providing information about impeller rotational speed in the air passage during respiration of a user of the air purification device;
- averaging the values obtained from a plurality of measurements obtained during user inhalations and average the values obtained from a plurality of measurements obtained during user exhalations;
- determining the difference between the average rotational speed value obtained during inhalations and the average rotational speed value obtained during exhalations;
- compare the difference between the average rotational speed value obtained during inhalations and the average rotational speed value obtained during exhalations with an empirically determined dimensionless factor;
- and
- providing instructions to an actuator coupled to the impeller to decrease or increase power supplied to the impeller to decrease or increase impeller rotation speed.
7 more elements
Dependencies are inferred from the claim text.