WO1994015689B1 - Apparatus for removing solid and volatile contaminants from liquids - Google Patents

Apparatus for removing solid and volatile contaminants from liquids

Info

Publication number
WO1994015689B1
WO1994015689B1 PCT/US1993/012533 US9312533W WO9415689B1 WO 1994015689 B1 WO1994015689 B1 WO 1994015689B1 US 9312533 W US9312533 W US 9312533W WO 9415689 B1 WO9415689 B1 WO 9415689B1
Authority
WO
WIPO (PCT)
Prior art keywords
bottom wall
canister
filter
fluid
chimney
Prior art date
Application number
PCT/US1993/012533
Other languages
French (fr)
Other versions
WO1994015689A1 (en
Filing date
Publication date
Priority claimed from US07/998,225 external-priority patent/US5322596A/en
Application filed filed Critical
Priority to KR1019950702711A priority Critical patent/KR100289319B1/en
Priority to CA002152499A priority patent/CA2152499C/en
Priority to PL93309646A priority patent/PL173845B1/en
Priority to DE69317907T priority patent/DE69317907T2/en
Priority to JP6516050A priority patent/JPH08505321A/en
Priority to EP94905504A priority patent/EP0676982B1/en
Priority to AU59592/94A priority patent/AU679720B2/en
Priority to TW083103701A priority patent/TW282413B/zh
Publication of WO1994015689A1 publication Critical patent/WO1994015689A1/en
Publication of WO1994015689B1 publication Critical patent/WO1994015689B1/en

Links

Abstract

A combination filter and evaporator unit (10) for use in small engine applications includes a filter member (12) that is screw threadedly engaged to the evaporator unit (14) to facilitate replaceement of filter media (18) as needed. The design of the unit (10) constrains incoming oil (90) to flow first through the filter media (18) and then to an evaporation chamber (44). A central hub (76) and a bottom wall (26) of the evaporation chamber (44) are directly heated by a heating element (78) and the evaporation chamber (44) is closed by an imperforate lid (36) so that heat loss is inhibited.

Claims

AMENDED CLAIMS[received by the International Bureau on 19 July 1994 (19.07.94); original claims 13 and 14 cancelled; remaining claims amended and renumbered as claims 1-19 (7 pages)]
1. A fluid reclamation device, comprising: a filter means having a hollow main body, a filter media positioned within said hollow main body, an inlet, and an outlet; a canister having a hollow interior; said hollow interior providing an evaporation chamber; an adaptor means for detachably securing said filter means to said canister so that said filter means may be replaced as needed without disassembly of said canister; fluid passage means for enabling fluid to flow from said filter means into said evaporation chamber defined by said canister; said canister including a bottom wall, and an upwardly projecting, hollow central hub formed integrally with said bottom wall; and a heating element disposed within the hollow interior of said hollow central hub so that said bottom wall is heated directly.
2. The device of claim 1, wherein said canister further includes upper side walls mounted about and projecting upwardly
AMENDEDSHEH(ARTICLE19) from the periphery of said bottom wall, an open top, lower sidewalls mounted about the periphery of said bottom wall and depending therefrom, and an open bottom, and wherein said filter means closes said open bottom.
3. The device of claim 2, further comprising a substantially imperforate closure means for closing said open top of said canister, said closure means defining an upper limit of said evaporation chamber, said bottom wall defining a lower limit thereof, and said side walls defining an outermost periphery thereof.
4. The apparatus of claim 3, further comprising an annular step formed in a lower surface of said bottom wall and a recess formed in said lower surface radially inwardly of said annular step.
5. The apparatus of claim 4, further comprising a reservoir defined by said recess when said adaptor is secured to said annular step in overlying relation to said recess.
6. The apparatus of claim 5, further comprising a metering bore formed in said adaptor for providing fluid communication between the hollow interior of said filter means and said reservoir.
7. The apparatus of claim 6, further comprising a plurality of openings formed in said bottom wall of said canister for admitting fluid in said reservoir into said evaporation chamber.
8. The apparatus of claim 7, further comprising a canister inlet means formed in said lower sidewalls for introducing fluid to be reclaimed into said hollow interior of said filter means.
9. The apparatus of claim 8, further comprising constraining means for constraining fluid to be reclaimed to flow into said hollow interior of said filter means via said canister inlet, through said filter means inlet, through said filter media contained within said filter means, through said metering bore via said filter means outlet, into said reservoir, and into said evaporation chamber via said plurality of openings formed in said bottom wall of said canister.
10. The apparatus of claim 9, wherein said adaptor further includes a tubular part that depends therefrom, and wherein said filter means is adapted to releasably engage said tubular part to facilitate replacement of said filter means.
11. The apparatus of claim 10, wherein said filter means main body has a top wall that abuttingly engages lowermost ends of said canister depending walls when said filter means engages said adaptor.
12. The apparatus of claim 11, further comprising a gasket means disposed between said top wall of said filter means main body and said lowermost ends of said depending walls when said filter means engages said tubular part of said adaptor to prevent leakage of fluid when fluid to be reclaimed is introduced into said canister inlet means.
13. The apparatus of claim 12, further comprising a plurality of chimney members formed integrally with said bottom wall, and a plurality of bores being formed in said chimney members so that fluid exiting said chimney members flows in a thin film over side walls of said chimney members and over said bottom wall, thereby enhancing evaporation of volatile contaminants in said fluid.
14. A fluid reclamation device, comprising: a canister having an open top, a bottom wall, upwardly projecting side walls integral with said bottom wall, and depending side walls integral with said bottom wall; a removable closure means for closing said open top of said canister; an evaporation chamber defined by a space between said closure means, said bottom wall, and said upwardly projecting side walls; said closure means including vapor outlet means for venting vapor from said evaporation chamber; said canister including outlet means formed in said upwardly projecting side walls for allowing fluid to flow out of said evaporation chamber; a chimney means formed integrally with said bottom wall, said chimney means projecting upwardly therefrom toward said open top and extending into said evaporation chamber; a passageway means formed in said chimney means so that fluid exiting said chimney means flows in a thin film over side walls of said chimney means and over said bottom wall, thereby enhancing evaporation of volatile contaminants in said fluid; said chimney means comprising a pair of semicircular in configuration chimney members that are positioned in concentric relation to a center of said bottom wall; said passageway means extending through said bottom wall; a filter housing having an inlet means and an outlet means; said filter housing including a filter media therein; an adaptor means for interconnecting said filter housing and said canister; a recess formed in a lower surface of said bottom wall; said adaptor being secured to said bottom wall in overlying relation to said recess; a metering bore formed in said adaptor so that filtered fluid flowing out of said filter outlet means is introduced into said recess through said metering bore; and said recess being in fluid communication with the passageway means formed in said chimney means so that fluid that enters said recess through said metering bore is constrained to exit said recess through said passageway means.
15. The apparatus of claim 14, wherein said bottom wall includes a central hub integrally formed therewith that protrudes upwardly toward said closure means and which is positioned radially inwardly of said pair of chimney members.
16. The apparatus of claim 15, wherein said central hub is hollow and wherein said central hub slidably receives a heating element therein, said heating element being connected to a source of electrical power so that it heats said central hub and said bottom wall.
17. The apparatus of claim 16, further comprising a tubular member integral with said closure means, said tubular member extending radially outwardly from said closure means in coplanar relation thereto, whereby said tubular member receives electrical leads from a source of electrical power, said leads being connected to said heating element.
18. The apparatus of claim 17, further comprising an annular seal positioned between a top wall of said filter means and a lowermost end of said depending side walls to constrain fluid flowing into said canister to flow into said filter housing.
19. The apparatus of claim 18, wherein said canister and said filter housing are cylindrical in configuration and have a common diameter.
PCT/US1993/012533 1992-12-30 1993-12-22 Apparatus for removing solid and volatile contaminants from liquids WO1994015689A1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
KR1019950702711A KR100289319B1 (en) 1992-12-30 1993-12-22 Liquid regeneration device to remove solids and volatile contaminants from liquid
CA002152499A CA2152499C (en) 1992-12-30 1993-12-22 Apparatus for removing solid and volatile contaminants from liquids
PL93309646A PL173845B1 (en) 1992-12-30 1993-12-22 Apparatus for removing solid and volatile pollutants from fluids
DE69317907T DE69317907T2 (en) 1992-12-30 1993-12-22 DEVICE FOR REMOVING SOLID AND VOLATILE IMPURITIES FROM LIQUIDS
JP6516050A JPH08505321A (en) 1992-12-30 1993-12-22 Device for removing solid volatile pollutants from liquids
EP94905504A EP0676982B1 (en) 1992-12-30 1993-12-22 Apparatus for removing solid and volatile contaminants from liquids
AU59592/94A AU679720B2 (en) 1992-12-30 1993-12-22 Apparatus for removing solid and volatile contaminants from liquids
TW083103701A TW282413B (en) 1992-12-30 1994-04-23

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/998,225 US5322596A (en) 1992-12-30 1992-12-30 Apparatus for removing solid and volatile contaminants from liquids
US07/998,225 1992-12-30

Publications (2)

Publication Number Publication Date
WO1994015689A1 WO1994015689A1 (en) 1994-07-21
WO1994015689B1 true WO1994015689B1 (en) 1994-09-01

Family

ID=25544944

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1993/012533 WO1994015689A1 (en) 1992-12-30 1993-12-22 Apparatus for removing solid and volatile contaminants from liquids

Country Status (14)

Country Link
US (2) US5322596A (en)
EP (1) EP0676982B1 (en)
JP (1) JPH08505321A (en)
KR (1) KR100289319B1 (en)
AT (1) ATE164775T1 (en)
AU (1) AU679720B2 (en)
CA (1) CA2152499C (en)
DE (1) DE69317907T2 (en)
ES (1) ES2117250T3 (en)
NZ (1) NZ261026A (en)
PL (1) PL173845B1 (en)
RU (1) RU2114680C1 (en)
TW (1) TW282413B (en)
WO (1) WO1994015689A1 (en)

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