Co-sorption air dehumidifying and pollutant removal system

Claim 2

A co-sorption air dehumidifying and air pollutant removal system having an outside air inlet duct, a supply air duct discharging into a conditioned space, a relief air duct exhausting to atmosphere, and a return air duct receiving conditioned air from said space and having means separating return air into supply air and relief air and replacing said relief air with outside supply air, and including; co-sorption air dehumidifier and pollutant removal means having a contactor section with a water vapor and gas adsorption desiccant means in the outside air inlet duct for adsorption of water vapor and selected pollutant gasses into said desiccant means, and having a regenerater section in the relief air duct for desorption of said water vapor and pollutant gasses into the relief air and their exhaust with said relief air to atmosphere, means for heating the relief air to a desiccant regenerating temperature and including heat-pipe means having a heat absorber section disposed in the dehumidified outside air discharged from said contacter section and having a heat rejecter section disposed in the relief air for discharge through said regenerater section of the air dehumidifier and pollutant removal means, whereby incoming outside air is dehumidified and selected pollutant gasses are removed therefrom, and a filter means downstream in the supply air duct for collecting gaseous pollutants and particulate matter from the commingled supply air and outside air.

Claim 3

The co-sorption air dehumidifying and air pollution removal system as set forth in claim 1, wherein the means for heating the relief air to desiccant regenerating temperature includes heater means following the heat-pipe means and ahead of entry of relief air through the regenerater section of the air dehumidifier and pollutant removal means.

Claim 4

The co-sorption air dehumidifying and air pollution removal system as set forth in claim 1, wherein the heat-pipe means is a first stage means for heating the relief air, and wherein the means for heating the relief air to desiccant regenerating temperature includes a second stage heat-exchanger means for the transfer of latent heat into the relief air ahead of its entry through said regenerater section from the relief air discharged through said regenerater section, and a third stage heater means ahead of entry of relief air through the regenerater section of the air dehumidifier and pollutant removal means.

Claim 5

The co-sorption air dehumidifying and air pollutant removal system as set forth in claim 1, there being a liquid evaporative means for cooling the heat rejecter section of the heat-pipe means, whereby the temperature differential with respect to the heat absorber section thereof is increased for efficiency.

Claim 6

The co-sorption air dehumidifying and air pollution removal system as set forth in claim 1, there being a liquid evaporative means for cooling the incoming outside air discharged over the heat absorber section of the heat-pipe means for decreasing the temperature of commingled return air and outside air.

Claim 7

The co-sorption air dehumidifying and air pollutant removal system as set forth in claim 1, there being a liquid evaporative means for cooling the heat rejecter section of the heat-pipe means whereby the temperature differential with respect to the heat absorber section thereof is increased for efficiency, and there being a liquid evaporative means for cooling the incoming outside air discharged over the heat absorber section of the heat-pipe means for decreasing the temperature of commingled return air and outside air.

Claim 8

A co-sorption air dehumidifying and air pollutant removal system having an outside air inlet duct, a supply air duct discharging into a conditioned space, a return air duct receiving conditioned air from said conditioned space and having means separating return air into supply air and relief air and replacing said relief air with outside supply air, and a relief air duct from the return air duct, and including; co-sorption air dehumidifier and pollutant removal means having a contacter section with a water vapor and gas adsorption desiccant means in the outside air inlet duct for the adsorption of water vapor and selected pollutant gasses into said desiccant means, and having a regenerater section in the relief air duct for desorption of said water vapor and pollutant gasses into said relief air passed through said regeneration section, means for heating the relief air to a desiccant regenerating temperature and including heat exchanger means for the transfer of latent heat into the relief air ahead of its entry through said regenerater section from the relief air passed through said regenerater section of the air dehumidifier and pollutant removal means, and for the exhaust of relief air from said heat exchanger means, whereby incoming outside air is dehumidified and selected pollutant gasses removed from the supply air, and a filter means downstream in the supply air for collecting gaseous pollutants and particulate matter from the commingled supply air and outside air.

Claim 9

A co-sorption air dehumidifying and air pollutant removal system having an outside air inlet duct, a supply air duct discharging into a conditioned space, a return air duct receiving conditioned air from said conditioned space and having means separating return air into supply air and relief air and replacing said relief air with outside supply air, and a relief air duct from the return air duct, and including; co-sorption air dehumidifier and pollutant removal means having a contacter section with a water vapor and gas adsorption desiccant means in the outside air inlet duct for the adsorption of water vapor and selected pollutant gasses into said desiccant means, and having a regenerater section in the relief air duct for desorption of said water vapor and pollutant gasses into said relief air passed through said regeneration section, means for heating the relief air to a desiccant regenerating temperature and including heat exchanger means for the transfer of latent heat into the relief air ahead of its entry through said regenerater section from the relief air passed through said regenerater section of the air dehumidifier and pollutant removal means, and for the exhaust of relief air from said heat exchanger means, whereby incoming outside air is dehumidified and selected pollutant gasses removed from the supply air, and a filter means downstream in the supply air for collecting gaseous pollutants and particulate matter from the commingled supply air and outside air.

Claim 10

The co-sorption dehumidifying and air pollutant removal system in combination with a downstream filter means as set forth in claim 7, wherein the filter means is activated carbon for the condensation therein of pollutant gasses as a film with particulate matter carried thereby.

Claim 11

The co-sorption dehumidifying and air pollutant removal system in combination with a downstream filter means as set forth in claim 7, wherein the filter means is an activated carbon pack disposed downstream from a pre-filter means for removal of particulate matter finer than that removed upstream.

Claim 12

The co-sorption dehumidifying and air pollutant removal system in combination with a downstream filter means as set forth in claim 7, wherein the filter means is an activated carbon pack disposed between a pre-filter means for removal of particulate matter finer than that removed upstream and an after-filter means for removal of particulate matter that is finer yet than that removed by said activated carbon pack.

Claim 13

The co-sorption dehumidifying and air pollutant removal system in combination with a downstream filter means as set forth in claim 7, wherein the filter means is potassium permanganate for the condensation therein of pollutant gasses as a film with particulate matter carried thereby.

Claim 14

The co-sorption dehumidifying and air pollution removal system in combination with a downstram filter means as set forth in claim 7, wherein the filter means is a first potassium permanganate pack followed by a second activated carbon pack for the removal of pollutant gasses and particulate matter by the second pack following removal of gasses and particulate matter by the first pack.

Claim 15

A co-sorption air dehumidifying and air pollutant removal system having an outside air inlet duct, a supply air duct discharging into a conditioned space, a relief air duct exhausting to atmosphere, and a return air duct receiving conditioned air from said space and having means separating return air into supply air and relief air and replacing said relief air with outside supply air, and including; co-sorption air dehumidifier and pollutant removal means having a contacter section with a water vapor and gas adsorption desiccant means in the ouside air inlet duct for the adsorption of water vapor and selected pollutant gasses into said desiccant means, and having a regenerater section in the relief air duct for desorption of said water vapor and pollutant gasses into said relief air and their exhaust with said relief air to atmosphere, means for heating the relief air to a desiccant regenerating temperature before passing it through said regenerater section, whereby incoming outside air is dehumdified and selected pollutant gasses are removed therefrom, a filter means downstream in the supply air for collecting gaseous pollutants and particulate matter from the commingled supply air and outside air, a conversion means for changing downstream supply air from dehumdified air to high humidity air and desorpting said gaseous pollutants collected by the filtering means, and diversion means for exhausting the desorped gaseous pollutants from said filter means.

Claim 16

A co-sorption air dehumidifying and air pollutant removal system having an outside air inlet duct, a supply air duct discharging into a conditioned space, a relief air duct exhausting to atmosphere, and a return air duct receiving conditioned air from said space and having means separating return air into supply air and relief air and replacing said relief air with outside supply air, and including; co-sorption air dehumidifier and pollutant removal means having a contacter section with a water vapor and gas adsorption desiccant means in the ouside air inlet duct for the adsorption of water vapor and selected pollutant gasses into said desiccant means, and having a regenerater section in the relief air duct for desorption of said water vapor and pollutant gasses into said relief air and their exhaust with said relief air to atmosphere, means for heating the relief air to a desiccant regenerating temperature before passing it through said regenerater section, whereby incoming outside air is dehumdified and selected pollutant gasses are removed therefrom, a filter means downstream in the supply air for collecting gaseous pollutants and particulate matter from the commingled supply air and outside air, a conversion means for changing downstream supply air from dehumdified air to high humidity air and desorpting said gaseous pollutants collected by the filtering means, and diversion means for exhausting the desorped gaseous pollutants from said filter means.

Claim 17

The co-sorption dehumidifying and air pollutant removal system as set forth in claim 13, wherein the filter means is activated carbon for the condensation therein of pollutant gasses as a film with particulate matter carried thereby.

Claim 18

The co-sorption dehumidifying and air pollutant removal system as set forth in claim 13, wherein the filter means is a first potassium permanganate pack followed by a second activated carbon pack for the removal of pollutant gasses and particulate matter by the second pack following removal of gasses and particulate matter by the first pack.

Claim 19

The co-sorption dehumidifying and air pollutant removal system as set forth in claim 13, wherein the co-sorption air dehumidifier means is a desiccant wheel with a contacter section through which incoming outside air passes, and wherein the conversion means is a means for stopping the wheel so that it saturates and ceases to dehumidify, and there being liquid evaporative means for high humidification of said incoming outside air and discharge of supply air through the filter means for desorpting said gaseous pollutants collected thereby.

Claim 20

The co-sorption dehumidifying and air pollutant removal system as set forth in claim 13, wherein the diversion means is a damper at the downstream discharge of the filter means and a return duct therefrom to the return air duct from said air space for separation and exhaust of relief air to atmosphere.

Claim 21

The co-sorption dehumidifying and air pollutant removal system as set forth in claim 13, wherein the co-sorption air dehumidifier means is a desiccant wheel with a contacter section through which incoming outside air passes, wherein the conversion means is a means for stopping the wheel so that it saturates and ceases to dehumidify, and there being liquid evaporative means for high humidification of said incoming outside air and discharge of supply air through the filter means for desorpting said gaseous pollutants collected thereby, and wherein the diversion means is a damper at the downstream discharge of the filter means and a return duct therefrom to the return air duct from said air space for separation and exhaust of relief air to atmosphere.

Claim 22

A co-sorption air dehumidifying and air pollutant removal system having an outside air inlet duct, a supply air duct discharging through downstream air conditioning apparatus and into a conditioned space, a relief air duct exhausting to atmosphere, and a return air duct receiving conditioned air from said space, and having means separating return air into supply air and relief air and replacing said relief air with outside air, and including; co-sorption air dehumidifier and pollutant removal means having a contacter section with a water vapor and gas adsorption desiccant means in the outside air inlet duct for deep drying incoming outside air to a dew point substantially below the dew point at said downstream air conditioning apparatus, said desiccant means being designed for the adsorption of water vapor and selected pollutant gasses, and having a regenerater section in the relief air duct for desorption of water from said water vapor and pollutant gasses and their exhaust with said relief air to atmosphere, there being a liquid evaporative means for humidifying and cooling the deep dry incoming outside air to a dew point substantially the same but lower than the dew point of said downstream apparatus and to a decreased temperature, and means for heating the relief air to a desiccant regenerating temperature, whereby incoming outside air is dehumidified and selected pollutant gasses are removed therefrom and whereby said downstream apparatus is protected against energy loss otherwise caused by condensation.

Claim 23

A co-sorption air dehumidifying and air pollutant removal system having an outside air inlet duct, a supply air duct discharging through downstream air conditioning apparatus and into a conditioned space, a relief air duct exhausting to atmosphere, and a return air duct receiving conditioned air from said space, and having means separating return air into supply air and relief air and replacing said relief air with outside air, and including; co-sorption air dehumidifier and pollutant removal means having a contacter section with a water vapor and gas adsorption desiccant means in the outside air inlet duct for deep drying incoming outside air to a dew point substantially below the dew point at said downstream air conditioning apparatus, said desiccant means being designed for the adsorption of water vapor and selected pollutant gasses, and having a regenerater section in the relief air duct for desorption of water from said water vapor and pollutant gasses and their exhaust with said relief air to atmosphere, there being a liquid evaporative means for humidifying and cooling the deep dry incoming outside air to a dew point substantially the same but lower than the dew point of said downstream apparatus and to a decreased temperature, and means for heating the relief air to a desiccant regenerating temperature, whereby incoming outside air is dehumidified and selected pollutant gasses are removed therefrom and whereby said downstream apparatus is protected against energy loss otherwise caused by condensation.

Claim 24

A co-sorption air dehumidifying and air pollutant removal system having an outside air inlet duct, a supply air duct discharging into conditioned space, a return air duct receiving conditioned air from said conditioned space and having means separating return air into supply air and relief air and replacing said relief air with outside supply air, and a relief air duct from the return air duct, and including; co-sorption air dehumidifier and pollutant removal means having a contactor section with a water vapor and gas adsorption desiccant means in the outside air inlet duct for adsorption of water vapor and selected pollutant gasses into said desiccant means, and having a regenerater section in the relief air duct for desorption of said water vapor and pollutant gasses into the relief air passed through said regenerater section, and means for heating the relief air to a desiccant regenerating temperature and including heat exchanger means for the transfer of latent heat into the relief air ahead of its entry through said regenerater section from the relief air passed through said regenerater section of the air dehumidifier and pollutant removal means, and for the exhaust of relief air from said heat exchanger means, whereby incoming outside air is dehumidified and selected pollutant gasses are removed therefrom.

Claim 25

A co-sorption air dehumidifying and air pollutant removal system having an outside air inlet duct, a supply air duct discharging into conditioned space, a return air duct receiving conditioned air from said conditioned space and having means separating return air into supply air and relief air and replacing said relief air with outside supply air, and a relief air duct from the return air duct, and including; co-sorption air dehumidifier and pollutant removal means having a contactor section with a water vapor and gas adsorption desiccant means in the outside air inlet duct for adsorption of water vapor and selected pollutant gasses into said desiccant means, and having a regenerater section in the relief air duct for desorption of said water vapor and pollutant gasses into the relief air passed through said regenerater section, and means for heating the relief air to a desiccant regenerating temperature and including heat exchanger means for the transfer of latent heat into the relief air ahead of its entry through said regenerater section from the relief air passed through said regenerater section of the air dehumidifier and pollutant removal means, and for the exhaust of relief air from said heat exchanger means, whereby incoming outside air is dehumidified and selected pollutant gasses are removed therefrom.

Claim 26

The co-sorption air dehumidifying and air pollutant removal system as set forth in claim 20, wherein the heat exhanger means is followed by a heater means ahead of the entry of relief air through the regenerater section of the air dehumidifier and pollutant removal means.

Claim 27

The co-sorption air dehumidifying and air pollutant removal system as set forth in claim 20, wherein the heat exhanger means is a second stage means for heating the relief air, the means for heating relief air to desiccant regenerating temperature including a first stage heat-pipe means having a heat absober section disposed in the dehumidified outside air discharged from said contacter section and having a heat rejecter section disposed in the relief air duct ahead of the heat exchanger means.

Claim 28

The co-sorption air dehumidifying and air pollutant removal system as set forth in claim 20, wherein the heat exchanger means is a second stage means for heating the relief air, the means for heating the relief air to desiccant regenerating temperature including a first stage heat-pipe means having a heat absorber section disposed in the dehumidified outside air discharged from said contacter section and having a heat rejecter section disposed in the relief air duct ahead-of the heat exchanger means, and a third stage heater means ahead of entry of relief air through the regenerater section of the air dehumidifier and pollutant removal means.