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US3879292A
Expired / Lapsed
US
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Desiccant device
Assignee: Clecon Inc
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Filing: 1974-01-28
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Granted: 1975-04-22
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Expires: 1994-01-28
Abstract
Abstract A cartridge desiccant device with an integral, mechanical filter adapted for use in removing solid particles and moisture from the refrigerant fluid in refrigerant systems. The device comprises a body which receives the desiccant and is pervious to the passage of refrigerant fluid through it and at least one foraminous member sealed to the body to mechanically filter the fluid passing through the body. In one form, the body of the device includes an external conduit or passageway defined by the external surface of an exterior side wall adopted to receive a fluid conduit to enable flow of refrigerant through the device for removal of moisture therefrom.
Inventors
- 👤 Ralph T Mcclive
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:32
CPC Classifications
F; F25; F25B; F25B43/00; F25B43/003; B; B01; B01D; B01D17/00; B01D17/02; B01D17/0202; B01D29/00; B01D29/50; B01D29/56; B01D36/00; B01D36/003; C; C09; C09K; C09K5/00; C09K5/02; C09K5/04; C09K5/041; Y; Y10; Y10S; Y10S210/00; Y10S210/06
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
323 words
A cartridge-type desiccant device of selt-supporting construction containing a desiccant material adapted for replaceable installation in a refrigeration system of the type having a hollow housing for interiorly mounting said device for removing moisture from a refrigerant fluid, said desiccant device comprising, a hollow body member containing said desiccant material removably insertable in a bore in said housing in the path of refrigerant flow therethrough, said body member including axially rigid, endless exterior side wall made from a polymeric material and having upper and lower peripheral end edges, said side wall being of a fluid impervious, self-supporting construction having a maximum transverse dimension which is less than the corresponding minimum transverse dimension of the bore in said housing, said body including upper and lower flexible, filter members each made from a fluid pervious, polymeric fibrous material, the polymeric material of said body and filter members being heat fused onto the confronting surfaces of the associated upper and lower end edges of said body member, said body and filter members together defining a closed receptacle for containing said desiccant material and with said filter members conjointly acting with said desiccant material to mechanically filter solid particles and moisture from said refrigerant flow, said side wall having a recessed, key-way like slot extending axially between the end edges of said body member, said slot being made from and defined by the extended surface of said wall so as to be disposed completely exteriorly of the closed receptacle provided by said side wall, said slot being open at both ends and opening outwardly in a direction away from the longitudinal central axis of said body so as to receive a conduit exteriorly of said body which openly connects at one end with said bore to enable maximum filtration and moisture removal through said desiccant material and filter members while removing desiccated refrigerant flow from said bore through said conduit exteriorly of the body of said device.
Claim 2
Dependent Claim
323 words
A cartridge-type desiccant device of selt-supporting construction containing a desiccant material adapted for replaceable installation in a refrigeration system of the type having a hollow housing for interiorly mounting said device for removing moisture from a refrigerant fluid, said desiccant device comprising, a hollow body member containing said desiccant material removably insertable in a bore in said housing in the path of refrigerant flow therethrough, said body member including axially rigid, endless exterior side wall made from a polymeric material and having upper and lower peripheral end edges, said side wall being of a fluid impervious, self-supporting construction having a maximum transverse dimension which is less than the corresponding minimum transverse dimension of the bore in said housing, said body including upper and lower flexible, filter members each made from a fluid pervious, polymeric fibrous material, the polymeric material of said body and filter members being heat fused onto the confronting surfaces of the associated upper and lower end edges of said body member, said body and filter members together defining a closed receptacle for containing said desiccant material and with said filter members conjointly acting with said desiccant material to mechanically filter solid particles and moisture from said refrigerant flow, said side wall having a recessed, key-way like slot extending axially between the end edges of said body member, said slot being made from and defined by the extended surface of said wall so as to be disposed completely exteriorly of the closed receptacle provided by said side wall, said slot being open at both ends and opening outwardly in a direction away from the longitudinal central axis of said body so as to receive a conduit exteriorly of said body which openly connects at one end with said bore to enable maximum filtration and moisture removal through said desiccant material and filter members while removing desiccated refrigerant flow from said bore through said conduit exteriorly of the body of said device.
Claim 3
Dependent Claim
323 words
A cartridge-type desiccant device of selt-supporting construction containing a desiccant material adapted for replaceable installation in a refrigeration system of the type having a hollow housing for interiorly mounting said device for removing moisture from a refrigerant fluid, said desiccant device comprising, a hollow body member containing said desiccant material removably insertable in a bore in said housing in the path of refrigerant flow therethrough, said body member including axially rigid, endless exterior side wall made from a polymeric material and having upper and lower peripheral end edges, said side wall being of a fluid impervious, self-supporting construction having a maximum transverse dimension which is less than the corresponding minimum transverse dimension of the bore in said housing, said body including upper and lower flexible, filter members each made from a fluid pervious, polymeric fibrous material, the polymeric material of said body and filter members being heat fused onto the confronting surfaces of the associated upper and lower end edges of said body member, said body and filter members together defining a closed receptacle for containing said desiccant material and with said filter members conjointly acting with said desiccant material to mechanically filter solid particles and moisture from said refrigerant flow, said side wall having a recessed, key-way like slot extending axially between the end edges of said body member, said slot being made from and defined by the extended surface of said wall so as to be disposed completely exteriorly of the closed receptacle provided by said side wall, said slot being open at both ends and opening outwardly in a direction away from the longitudinal central axis of said body so as to receive a conduit exteriorly of said body which openly connects at one end with said bore to enable maximum filtration and moisture removal through said desiccant material and filter members while removing desiccated refrigerant flow from said bore through said conduit exteriorly of the body of said device.
Claim 4
Dependent Claim
323 words
A cartridge-type desiccant device of selt-supporting construction containing a desiccant material adapted for replaceable installation in a refrigeration system of the type having a hollow housing for interiorly mounting said device for removing moisture from a refrigerant fluid, said desiccant device comprising, a hollow body member containing said desiccant material removably insertable in a bore in said housing in the path of refrigerant flow therethrough, said body member including axially rigid, endless exterior side wall made from a polymeric material and having upper and lower peripheral end edges, said side wall being of a fluid impervious, self-supporting construction having a maximum transverse dimension which is less than the corresponding minimum transverse dimension of the bore in said housing, said body including upper and lower flexible, filter members each made from a fluid pervious, polymeric fibrous material, the polymeric material of said body and filter members being heat fused onto the confronting surfaces of the associated upper and lower end edges of said body member, said body and filter members together defining a closed receptacle for containing said desiccant material and with said filter members conjointly acting with said desiccant material to mechanically filter solid particles and moisture from said refrigerant flow, said side wall having a recessed, key-way like slot extending axially between the end edges of said body member, said slot being made from and defined by the extended surface of said wall so as to be disposed completely exteriorly of the closed receptacle provided by said side wall, said slot being open at both ends and opening outwardly in a direction away from the longitudinal central axis of said body so as to receive a conduit exteriorly of said body which openly connects at one end with said bore to enable maximum filtration and moisture removal through said desiccant material and filter members while removing desiccated refrigerant flow from said bore through said conduit exteriorly of the body of said device.
Claim 5
Dependent Claim
17 words
A desiccant device in accordance with claim 1, wherein said slot is of a generally C-shaped configuration.
Claim 6
Dependent Claim
38 words
A desiccant device in accordance with claim 1, wherein said filter members extend outwardly over the open ends of said slot, and said filter members having apertures communicating with the open ends adapted for receiving said conduiT therethrough.
Claim 7
Dependent Claim
29 words
A desiccant device in accordance with claim 1, wherein said filter members have recessed portions shaped to generally correspond to the shape of the open ends of said slot.
Claim 8
Dependent Claim
72 words
A desiccant device in accordance with claim 1, wherein said filter members are of a generally flat construction extending generally parallel to one another and generally normal to the longitudinal central axis of said body member, at least one of said filter members extending transversely outwardly beyond the outer periphery of said side wall to provide an endless flexible flap portion adapted to sealingly engage the confronting interior surface of said housing.
Claim 9
Dependent Claim
48 words
A desiccant device in accordance with claim 5, wherein said flap portion of a fluid pervious construction to enable refrigerant flow therethrough and adapted for mechanically filtering solid particles from said refrigerant flow thereby to retard general bypassing of refrigerant through the desiccant material of said desiccant device.
Claim 10
Dependent Claim
36 words
A desiccant device in accordance with claim 1, wherein said body and filter members are made from polymeric materials selected from compatible heat fusible materials selected from the group consisting of polypropylene, polystyrene and the like.
Claim 11
Dependent Claim
37 words
A desiccant device in accordance with claim 1, wherein said upper and lower filter members each extend transversely outwardly beyond the outer periphery of said side wall to provide a pair of said endless, flexible flap portions.
Claim 12
Dependent Claim
38 words
A desiccant device in accordance with claim 1, wherein said filter members are made from a polymeric felt material of the type that is fusible by ultrasonic welding to the upper and lower edges of said side wall.
References Cited (Backward Citations)
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US3266628A
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US3680707A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-04-21 | 1978-10-21 | 1979-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-21 | 1982-10-21 | 1983-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-21 | 1986-10-21 | 1987-04-22 | $7700.00 | Window Closed / Lapsed |