Flow Dry Technology, Inc.

Stanhope Products Company

David Victor Flaugher

John M Evans

Glenn D Perrine

Douglas E LeConey

Raymond B Wood

Rodney Lee Dobson

David S Kress

Charles E Dinkler, Ii

Jason K Ward

Stephen F Sullivan

Glen D Perrine

An adsorbent system including an enclosure having a cavity defining a humidity-controlled environment and a body having or defining a channel therein. The body is coupled to the enclosure such that a first end of the channel is in selective fluid communication with an ambient environment and a second end of the channel is in fluid communication with the humidity-controlled environment. The system further includes an adsorbent material in the channel, wherein the channel and adsorbent material are configured such that inlet fluid flowing from the first end to the second end through the channel is flowable over at least a portion of the adsorbent material, and such that outlet fluid flowing from the second end to the first end is directly flowable over a majority of the portion of the adsorbent material that is flowable over by the inlet fluid, The system further includes a valve system positioned at or adjacent to or in fluid communication with the first end of the channel. The valve system includes an inlet valve portion that is biased to a closed position to generally block a flow of inlet fluid therethrough and that is movable to an open position when a pressure in the channel is sufficiently low relative to a pressure in the ambient environment. The valve system further includes an outlet valve portion that is biased to a closed position to generally block a flow of outlet fluid therethrough and that is movable to an open position when the pressure in the channel is sufficiently high relative to the pressure in the ambient environment.

Adsorbent system

An adsorbent system including a body having or defining a channel therein, wherein the body is configured to be coupled to a humidity-controlled environment such that a first end of the channel is in selective fluid communication with the ambient environment and such that a second end of the channel is in fluid communication with said humidity-controlled environment. The system further includes an adsorbent material in the channel, wherein the channel and adsorbent material are configured such that inlet fluid flowing from the first end to the second end through the channel is flowable over the adsorbent material, and such that outlet fluid flowing from the second end to the first end is flowable over a majority of the adsorbent material that is flowable over by the inlet fluid. The system also includes a valve system positioned at or adjacent to or in fluid communication with the first end of the channel.

A method including adding to or positioning in a vehicle air conditioning system a solid form adsorbent. The solid form adsorbent includes a plurality of discrete adsorbent particles spatially bound in place by point bonding with a binder. At least about 25% of the external surface area of a majority of the particles is not sealed off by the binder and is available for adsorption.

Method of use for a solid form adsorbent

A solid form adsorbent including a plurality of discrete adsorbent particles spatially bound in place by point bonding by a binder. At least about 25% of the external surface area of a majority of the particles is not sealed off by the binder and is available for adsorption.

Solid form adsorbent

Desiccant bag and filter assembly adapted for insertion into an integrated condenser dryer chamber of a vehicle or mobile air conditioning system or the like. A support member () lies along the exterior of a desiccant containing pouch () with the pouch secured at both of its longitudinal ends to the support. A filter member is integral with the assembly and positioned at one end of the pouch. Rigid stand off members () are positioned at respective ends of the assembly.

Desiccant bag and filter assembly

In accordance with one preferred embodiment, a desiccant cartridge () for insertion into an integrated condenser/receiver () comprises a rigid stand-off member () and a porous desiccant bag (). The preferred rigid stand-off member comprises spaced inner and outer pad portions and an elongated stand-off portion terminating in the inner pad portion. The inner pad may include a tab portion. The porous desiccant bag is positioned between the inner and outer pad portions and affixed to one or both of the inner and outer pad portions. A rigid cap with a plurality of holes may be provided to which a second end of the porous desiccant bag may be attached. The porous desiccant bag includes first and second flat end seals, one of which is secured to attachment tab portions.

Desiccant cartridge for an integrated condenser/receiver and method of making same

This invention relates to a desiccant cartridge () adapted for use in a canister () of an integrated receiver/dryer or accumulator assembly of an automotive air conditioning system wherein the canister () has an offset inlet port (). The desiccant cartridge () includes a desiccant cup () having a center tube () and a desiccant cap () including a planar portion () having a recessed port area () provided with a first aperture (), or first tube (), for cooperation with a side tube () and/or the offset inlet port () of the canister (). The cap () further includes a docking piece () provided with a second aperture (), or second tube (), for cooperating with the center tube () of the cup () when the cap () is retained therein. Notably, the docking piece () is designed to cooperate with the recessed port area (), preferably via a snap fit, to define a passageway () therebetween so that gas and/or fluid can enter the canister () via the inlet port (), circulate through the desiccant cartridge (), and finally exit via an outlet port ().

Desiccant cartridge having desiccant cap

A desiccant container () which comprises a generally cylindrically cross-sectioned cup, two dual-density fiberglass discs (), desiccant material (), and a cap (). The cup includes an outer annular portion, an inner tubular portion, and a bottom which connect together to define a space within. The cap () has a planar portion with an aperture for receiving the inner wall portion of the cup and is designed for receipt in the chamber to cover the opening. The cap further includes an outer annular rim portion extending transversely from the planar portion. The peripheral flange portion having tabs with an edge portion which permit the cap to cooperate with the outer wall portion having tabs with an edge portion which permit the cap to cooperate with the outer wall portion so that the cap can be retained within the chamber in one of a number of axially spaced positions to prevent shifting of, and escape of the desiccant.

Polypropylene or polyester plastic desiccant cartridge with fiberglass filter and bead cage ends

A desiccant cartridge retention device used to secure desiccant cartridges ( ) to fluid flow tubes ( ) and/or canisters ( ) of receiver/dryer and accumulator assemblies ( ). Desiccant cartridge ( ) includes a cup ( ) extending along an axis ( ) and having spaced inner and outer wall portions ( ) connected by a transverse portion ( ) to define a chamber ( ) having an opening ( ) for receiving desiccant particles ( ). The inner wall portion ( ) defines a sleeve ( ) having first and second openings ( ) and further comprises an outer surface ( ) and an inner engagement surface ( ). The sleeve ( ) is adapted to receive and the inner engagement surface ( ) is adapted to cooperate with fluid flow tube ( ) such that the desiccant cartridge ( ) is secured thereto forming a proper seal therebetween. Outer wall portion ( ) includes a flange adapted to provide a snug compression fit within canister ( ) such that the desiccant container ( ) also is secured thereto. A cap ( ) is secured to the cup ( ) to secure the desiccant ( ) inside the chamber ( ).

Desiccant cartridge retention device

An adsorbent package is provided for use within the sealed canister of a fluid flow tube of an air conditioning system. The adsorbent package includes a desiccant bag formed of a pouch having a sealed first end and a substantially cylindrical second end. A filter cap is slidably and sealingly received within the second end of the pouch. The cap includes a resilient sealing ring formed proximate a porous end wall. The sealing ring slidably and sealingly engages an inner surface of the canister. The package is constructed of a non-woven spun bonded nylon and can therefore be snugly received within the tight confines of fluid flow tube or canister sections of an integrated condenser receiver.

Integrated condenser-receiver desiccant bag and associated filter cap

A container is provided for housing desiccant material therein and for facilitating fluid flow therethrough to a surrounding environment. The container comprises a cup member including a base or bottom wall member and a generally cylindrically shaped outer wall connected to the base or bottom wall member to thereby define a housing. A plurality of openings extend through the outer wall and provide communication between the housing and the surrounding environment. At least one recessed, relief portion is provided in communication with one of the openings. The recessed, relief portion has an outer diameter dimension less than the outer diameter dimension of the cup member. Accordingly, when the cup is snugly received in an associated canister or the like, a relief area is formed that defines a fluid flow channel along the interface of the cup member and canister.

Fluid flow adsorbent container

A container for particulate desiccant comprises a cup and a cap. The cup includes spaced inner and outer wall portions connected by a transverse web portion to define a chamber having an opening for receiving the desiccant. The cap is designed for receipt in the chamber to cover the opening. In addition, the cap has a hole for receiving the inner wall portion of the cup. The inner wall portion includes a stepped inner surface defining an intermediate flange for preventing a canister pipe from passing completely through the inner wall portion. The inner wall portion also includes a beveled inner end surface which tapers radially inwardly in a direction toward the transverse web portion to facilitate insertion of the canister pipe into the inner wall portion. An inner wall extension portion is coaxially joined with the inner wall portion at a web side of the cup to facilitate return of dehydrated air or fluid to an air conditioning system. The canister pipe, inner wall portion and inner wall extension portion cooperate to define a return passage for the dehydrated air or fluid that passes over the desiccant in the chamber.

Desiccant container having mount for canister tube and inner wall

A container for particulate desiccant comprises a cup and a cap. The cup includes spaced inner and outer wall portions connected by a transverse web portion to define a chamber having an opening. The cap is designed for receipt in the chamber to cover the opening. In addition, the cap has a hole for receiving the inner wall portion of the cup. The outer wall portion includes a number of nib segments which are arranged into axially spaced nib groupings. The nib segments within each of the nib groupings are circumferentially spaced-apart. The cap includes an edge portion which permits the cap to be retained between axially adjacent nib groupings thus retaining the cap within the chamber in one of a number of axially spaced positions.

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Beavercreek, OH, United States of America

David Victor Flaugher