Patent US3898152A successfully refreshed from Google Patents.
US3898152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic wet oil treater
Assignee: Maloney Crawford Tank Corp
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Filing: 1973-11-05
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Granted: 1975-08-05
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Expires: 1993-11-05
Abstract
Abstract An electrostatic process and means for the removal of water from an oil-water emulsion and comprising the step of continuously flowing the oil-water emulsion through a series of divided wash trays, each said tray having a plurality of electrodes therein for creating an electrostatic field within the oil-water emulsion for stripping ionized water particles away from the oil.
Inventors
- 👤 Robert A Hodgson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:46
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/02; B; B01; B01D; B01D17/00; B01D17/06; B03; B03C; B03C11/00; B03C2201/00; B03C2201/02
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
184 words
AN ELECTROSTATIC WET OIL TREATER APPARATUS FOR USE IN SEPARATING WATER FROM AN OIL-WATER EMULSION, SAID APPARATUS COMPRISING A CONTAINER, OIL WASH TRAY MEANS DISPOSED WITHIN THE CONTAAINER, SAID TRAT EANS COMPRISING AN UPPER PLATE AND DOWNWARDLY DEPENDING SIDE WALLS, TO CREATE A FLOW CHANNEL FOR SAID EMULSION, OIL-WATER EMULSION INLET MEANS DISPOSED WITHIN THE CONTAINER MEANS AND OPERABLY CONNECTED TO THE TRAY MEANS FOR FLOWING SAID OIL-WATER EMULSION INTO TRAY MEANS, ELECTRODE MEANS CARRIED BY THE TRAY MEANS AND INSULATED THEREON, SAID ELECTRODE MEANS BEING DISPOSED IN SAID FLOW CHANNEL IN CONTACT WITH THE OIL-WATER EMULSION FLOWING THE SAID TRAY MEANS, POWER MEANS CONNECTED TO THE ELECTRODE MEANS AND THE TRAY MEANS FOR PROVIDING AN ELECTROSTATIC FIELD THROUGH THE OIL WATER EMULSION FOR SEPARATING THE IONIZED WTER PARTICLES FROM THE OIL, OIL LEVEL CONTROLS MEANS CARRIED BY THE TRAY MEANS FOR MAINTAINING THE OIL AND WATER INTERFACE IN SAID FLOW CHANNEL BELOW THE ELECTRODE MEANS, OIL OUTLET MEANS IN COMMUNICATION WITH THE TRAY MEANS FOR REMOVING THE OIL THEREFROM AND WATER OUTLET MEANS COMMUNICATION WITH THE TRAY MEANS FOR REMOVING THE WATER THEREFROM.
Claim 2
Dependent Claim
184 words
AN ELECTROSTATIC WET OIL TREATER APPARATUS FOR USE IN SEPARATING WATER FROM AN OIL-WATER EMULSION, SAID APPARATUS COMPRISING A CONTAINER, OIL WASH TRAY MEANS DISPOSED WITHIN THE CONTAAINER, SAID TRAT EANS COMPRISING AN UPPER PLATE AND DOWNWARDLY DEPENDING SIDE WALLS, TO CREATE A FLOW CHANNEL FOR SAID EMULSION, OIL-WATER EMULSION INLET MEANS DISPOSED WITHIN THE CONTAINER MEANS AND OPERABLY CONNECTED TO THE TRAY MEANS FOR FLOWING SAID OIL-WATER EMULSION INTO TRAY MEANS, ELECTRODE MEANS CARRIED BY THE TRAY MEANS AND INSULATED THEREON, SAID ELECTRODE MEANS BEING DISPOSED IN SAID FLOW CHANNEL IN CONTACT WITH THE OIL-WATER EMULSION FLOWING THE SAID TRAY MEANS, POWER MEANS CONNECTED TO THE ELECTRODE MEANS AND THE TRAY MEANS FOR PROVIDING AN ELECTROSTATIC FIELD THROUGH THE OIL WATER EMULSION FOR SEPARATING THE IONIZED WTER PARTICLES FROM THE OIL, OIL LEVEL CONTROLS MEANS CARRIED BY THE TRAY MEANS FOR MAINTAINING THE OIL AND WATER INTERFACE IN SAID FLOW CHANNEL BELOW THE ELECTRODE MEANS, OIL OUTLET MEANS IN COMMUNICATION WITH THE TRAY MEANS FOR REMOVING THE OIL THEREFROM AND WATER OUTLET MEANS COMMUNICATION WITH THE TRAY MEANS FOR REMOVING THE WATER THEREFROM.
Claim 3
Dependent Claim
40 words
An electrostatic wet oil treater apparatus as set forth in claim 1 wherein the container includes a heater oil treating apparatus having a furnace and heat exchange means for raising the temperature of the oil-water emulsion to be treated therein.
Claim 4
Dependent Claim
83 words
An electrostatic wet oil treater apparatus as set forth in claim 1 wherein said oil wash tray means includes at least one wash tray having an upper plate, a plurality of downwardly extending side walls therearound, a plurality of spaced elongated divider panels depending from said upper plate within each tray for creating a plurality of flow channels for the oil-water emulsion to flow therethrough and electrodes and powEr means as set forth in claim 1 disposed in each of said flow channels.
Claim 5
Dependent Claim
53 words
An electrostatic wet oil treater apparatus as set forth in claim 3 wherein said electrode means comprises an elongated electrode rod longitudinally disposed in each flow channel, said electrodes being secured to the side walls of the trays and insulated therefrom and insulated cabeling operably connecting said electrode means to the power means.
Claim 6
Dependent Claim
140 words
An electrostatic wet oil treater apparatus as set forth in claim 1 wherein the oil level control means comprises a subcompartment formed at the end of said flow channel surrounding and substantially enclosing said oil level control means, said subcompartment defined by a bottom plate, attached to said side walls, a baffle plate extending upward from the bottom plate and across said flow channel leaving a space between said upper plate and said baffle plate whereby oil and/or oil-water emulsion flows over said baffle plate into said subcompartment and thence into said oil level control means comprising at least one riser pipe for removing the oil and oil-water emulsion from each wash tray, one end of said pipe extending downwardly through the upper plate of each wash tray to a point within the wash tray below the electrode disposed therein.
Claim 7
Dependent Claim
117 words
An electrostatic wet oil treater apparatus as set forth in claim 2 wherein the oil wash tray means comprises a plurality of vertically spaced wash trays each said tray having an upper plate, a plurality of downwardly extending sidewalls therearound, spaced divider panels disposed within each tray for creating a plurality of flow channels for the oil and oil-water emulsion to flow therethrough, electrodes disposed in each flow channel, and means adapted to retain water around the tray means for floating the said oil and oil-water emulsion within the tray means, and the oil-water emulsion inlet means disposed adjacent to the treating apparatus furnace for preheating the oil and oil-water emulsion before entering the wash tray means.
Claim 8
Dependent Claim
66 words
An electrostatic wet oil treater apparatus as set forth in claim 6 wherein there are three divider panels provided in each wash tray for creating four elongated flow channels therethrough, an elongated electrode rod longitudinally disposed in each flow channel, said electrode being secured to the side walls of the trays and insulated therefrom, and insulated cabeling operably connecting said electrode means to the power means.
Claim 9
Dependent Claim
150 words
An electrostatic wet oil treater apparatus as set forth in claim 7 wherein the first and third divider panels are secured at one end thereof to a first tray side wall, the opposite ends thereof being spaced from the opposite side wall, the second said divider panel being secured at one end thereof to the opposite side wall, the other end of said second divider panel being spaced from the first side wall for creating four interconnecting flow channels, the first said flow channel of the first wash tray being operably connected to the oil-water emulsion inlet means and the fourth flow channel being provided with oil level control means comprising a riser pipe for removing the oil and oil-water emulsion from the wash tray, one end of the said riser pipe extending downwardly through the upper plate of the said tray to a point below the electrode means therein.
Claim 10
Dependent Claim
48 words
An electrostatic wet oil treater apparatus as set forth in claim 8 wherein the said riser pipe is operably connected to the first channel means of the next succeeding wash tray, the riser pipe from the last said tray being in open communication with the oil outlet means.
Claim 11
Dependent Claim
150 words
An electrostatic wet oil treater apparatus as set forth in claim 7 wherein the first and third divider panels are secured at one end thereof to a first side wall of the wash tray, the opposite ends thereof being spaced from the opposite sidewall of the wash tray and wherein the second divider panel is secured at each end thereof to the tray sidewalls for creating two continuous alternating flow channels, the fIrst flow channel of said alternating flow channel of the first wash tray being operably connected to the oil-water emulsion inlet means and the second flow channel of each alternating flow channel being provided with oil level control means comprising a riser pipe for removing the oil and oil-water emulsion from the tray, one end of said riser pipe extending downwardly through the upper plate of the wash tray to a point below the electrode means disposed therein.
Claim 12
Dependent Claim
52 words
An electrostatic wet oil treater apparatus as set forth in claim 10 wherein each riser pipe is operably connected to the first flow channel of both alternating flow channels of the next succeeding wash tray, the riser pipes from the last said tray being in open communication with the oil outlet means.
Claim 13
Dependent Claim
107 words
An electrostatic wet oil treater apparatus as set forth in claim 8 wherein each divider panel is secured at each end thereof to opposite side walls of the tray thereby creating four separate channels therealong, one end of each said channel of the first tray being operably connected to the oil-water emulsion inlet means, the opposite end of each said channel being provided with oil level control means comprising a riser pipe for removing the oil and oil-water emulsion from the tray, one end of said riser pipe extending downwardly through the upper plate of the wash tray to a point below the electrode means disposed therein.
Claim 14
Dependent Claim
45 words
An electrostatic wet oil treater apparatus as set forth in claim 12 wherein each riser pipe is operably connected to the flow channels of the next succeeding wash tray, the riser pipes of the last tray being in open communication with the oil outlet means.
Claim 15
Dependent Claim
160 words
A submersible oil-water emulsion wash tray comprising an upper plate having downwardly extending side walls secured around the edges thereof to create a flow channel for the oil-water emulsion to flow therethrough, emulsion inlet means provided at one end of said flow channel and outlet means provided at the opposite end thereof, said outlet comprising an oil level control and outlet means, a subcompartment surrounding and substantially enclosing said oil level control and outlet means, said subcompartment defined by a bottom plate attached to said side walls, a baffle plate extending upward from said bottom plate and across said flow channel leaving a space between said upper plate and said baffle plate whereby oil and/or oil-water emulsion flows over said baffle plate into said subcompartment and thence into said outlet, and means to submerse said tray in a heavier than oil liquid provided around the tray for floating the oil and oil-water emulsion adjacent said upper plate within said tray.
Claim 16
Dependent Claim
160 words
A submersible oil-water emulsion wash tray comprising an upper plate having downwardly extending side walls secured around the edges thereof to create a flow channel for the oil-water emulsion to flow therethrough, emulsion inlet means provided at one end of said flow channel and outlet means provided at the opposite end thereof, said outlet comprising an oil level control and outlet means, a subcompartment surrounding and substantially enclosing said oil level control and outlet means, said subcompartment defined by a bottom plate attached to said side walls, a baffle plate extending upward from said bottom plate and across said flow channel leaving a space between said upper plate and said baffle plate whereby oil and/or oil-water emulsion flows over said baffle plate into said subcompartment and thence into said outlet, and means to submerse said tray in a heavier than oil liquid provided around the tray for floating the oil and oil-water emulsion adjacent said upper plate within said tray.
Claim 17
Dependent Claim
34 words
A submersible oil-water emulsion wash tray as set forth in claim 14 wherein the divider panels are arranged for interconnecting alternate ends of the flow channels for creating at least one alternating flow channel.
Claim 18
Dependent Claim
92 words
A submersible oil-water emulsion wash tray as set forth in claim 14 wherein an electrode is disposed within each flow channel, and an electrical power supply is operably connected between the tray and the electrode for providing an electrostatic field through the oil-water emulsion for separating the ionized water particles from the oil and wherein the outlet means comprises at least one riser pipe having the lower end thereof disposed within the tray at a point below the electrode for maintaining the oil and water interface below the level of the electrode.
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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) | 1978-08-04 | 1979-02-03 | 1979-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-04 | 1983-02-03 | 1983-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-04 | 1987-02-03 | 1987-08-05 | $7700.00 | Window Closed / Lapsed |