US2583522A - Fluid purifier - Google Patents

Fluid purifier Download PDF

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Publication number
US2583522A
US2583522A US2355848A US2583522A US 2583522 A US2583522 A US 2583522A US 2355848 A US2355848 A US 2355848A US 2583522 A US2583522 A US 2583522A
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Prior art keywords
screen
magnetic
chamber
end
magnet
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Expired - Lifetime
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Charles A Winslow
John J Meyer
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Winslow Engineering Co
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00Magnetic separation
    • B03C1/02Magnetic separation acting directly on the substance being separated
    • B03C1/28Magnetic plugs and dipsticks

Description

1952 c. A. WINSLOW ET AL 2,583,522

FLUID PURIFIER Filed April 27, 1948 INVENTORS CHARLES A. W/NSLOW JOHA/J MEYER Evy/Ma A T TOR/V5 Y fixed positions.

the purifier except the actual magnet elements, the screen 30 is made of non-magnetic material, and preferably is of fine mesh. Thus, the screen 30 acts not only as a screen to remove nonmagnetic foreign matter from the oil as it passes from the inlet to the outlet, but also as a flow control. The fine gauge screen restrains the fluid sufiiciently so that it passes from the inside chamber 3| to the outside chamber 32 along the full surface of the screen 33, with the result that the flow tends to be more'strongly axial and less strongly radial or outward. This action tends to fiow impurities along with the fluid toward the sump 20| where they may be readily blown out during operation by opening the valve 202. Axial flow in the casing thus assuring introduction of the oil into the magnetic field, can be further obtained by substantially equating the force necessary to fiow the oil through the screen, to the fluid flow in the system, the actual force depending on the oil pressure and velocity in the system, the total area of the screen openings and the total resistance to fiow through all the small openings.

The ribs 200 in the cap 20 supports in the center chamber 3| a magnet assembly, shown generally at 40. The assembly 4|] comprises a non-magnetic rod 4|, threaded into the axial tap 25 and steadied against the boss 24 by the nut 42. Mounted on the rod 4| are a plurality of alternately-positioned magnetic elements 43 and non-magnetic spacing members 44. A nut 45 and washer 46 on the end of the rod 4| hold the elements 43 and spacers 4'4 in prearranged,

Each individual magnetic element 43 is shaped as shown in Fig. 2-a torus or annulus broken at one end, to form a round, horseshoe magnet with the north and south poles separated by a gap 41. When the elements 43 are placed on the rod 4|, they are disposed so that the poles face in all different directions and provide a substantially uniform field of at least the radius of the chamber 3|. By using a plurality of magnetic elements 43 in the assembly 40, a much stronger and more even field is obtained than can be obtained by using a single bar magnet similarly disposed. Since the volume of the magnetic field equals or isgreater than the volume of the chamber 3|, every ferromagnetic particle passing from the inlet l2 to the outlet l8 enters the magnetic field and becomes subject to it at the same time that the fluid momentum is restrained Within the limits of the magnetic field by the screen 30.

On operation, the oil fiows through the central inlet I2 into the chamber 3|. The screen 30 .controls its flow, making it substantially axial particles from the oil, and heavy particles are 1 its outer edge out through the screen 30 into the outer chamber 32 and thence to the vertical outlet I 8, purified of the solidparticles and especially of the ferromagnetic particles.

The mounting of both the screen 30 and magnet assembly 40 on the hollow cap 20 renders withdrawal replacement, and cleaning simple.

When the screws 2| are taken out, the purifier may be withdrawn from the housing. The screen 36 can be pulled out from the cap flange 22, and it and the magnet assembly 40 brushed off, reassembled, and the whole purifier then put back in the passage 4. It will be understood that axial direction of fiuid flow and velocity of same causes all material collected which is not firmly held by the magnets to be collected in the sump Zlll. It is to be further understood that when the invention is used under pressure that opening of the valve 202 would cause all collected material not firmly attached to magnets to be blown out through the opening 203, thus cleansing the screen 36 and magnets 93, as well as removing all other collected material in th sump 2U| and chamber 3|.

We claim:

1. A magnetic filtering device for flowing fluids comprising an elongated housing having a cylindrical walled chamber therein, an inlet opening in one end of the housing co-axial with said chamber, an outlet opening from said chamber in the side wall of the housing, a cap removably secured to the opposite end of the housing and having a cylindrical flange extending within said chamber, a boss rigidly supported within said cap in co-axial relation to said inlet opening and said cylindrical flange, an elongated magnet assembly disposed within the chamber and having one. end thereof removably supported by said boss, said housing being also provided with an inwardly directed flange surrounding said inlet opening and provided with an outer frustoconi cal wall converging toward said opposite end of the housing and being in co-axial relation to said cylindrical flange, the inner converging end portion of said Wall being of less diameter than the inner surface of said cylindrical fiange, and a cylindrical filter screen having one end thereof removably seated within said cylindrical flange and its opposite end freely engaged over said frusto-conical wall, whereby said screen is removable as a unit with said cap and concentrically supported with respect to said magnet assembly by said frusto-conical wall.

2. The device according to claim 1', wherein said magnet assembly comprises an elongated non-magnetic rod, having one end thereof threaded into said boss, and the opposite end thereof freely disposed adjacent the inner end of said inwardly converging flange, a plurality of horseshoe magnets supported on said rod, a plurality of non-magnetic spacing members disposed on said rod between said magnets for maintaining same in uniformly spaced relation. and said magnets being arranged on the rod with their poles facing in different directions radially of the rod for providing a substantially uniform magnetic field about the magnet assembly and within the screen.

CHARLES A. WINSLOW. JOHN J. MEYER.

REFERENCES CITED The following references are of record the file of this patent:

UNITED STATES PATENTS Feagin May 7,1946

US2583522A 1948-04-27 1948-04-27 Fluid purifier Expired - Lifetime US2583522A (en)

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Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2771995A (en) * 1952-11-27 1956-11-27 Jaruza A G Chur Soc Magnetic separator
US2789655A (en) * 1953-08-03 1957-04-23 Ralph A Michael Magnetic dust traps or filters
US2792120A (en) * 1953-07-16 1957-05-14 Cash A W Co Strainer
US2800230A (en) * 1953-07-15 1957-07-23 Jean Thoma Magnetic separators
US2887230A (en) * 1955-05-27 1959-05-19 Cuno Eng Corp Magnetic filter
US3035703A (en) * 1957-11-14 1962-05-22 Pall Corp Magnetic filter unit
US3170871A (en) * 1960-11-22 1965-02-23 Moriya Saburo Miyata Magnetic filter
US3228868A (en) * 1958-05-28 1966-01-11 Ruskin Dan Process for the conversion of hydrogen
US3353678A (en) * 1965-06-22 1967-11-21 Peter F Dragon Filter having assembling, sealing and flushing means
US3421627A (en) * 1964-10-09 1969-01-14 Arlon Nv Bypass filter with magnetic member
US3468420A (en) * 1966-08-17 1969-09-23 Parker Hannifin Corp Fluid filter
US3486622A (en) * 1967-01-18 1969-12-30 Parker Hannifin Corp Bayonet filter
US3669274A (en) * 1969-12-29 1972-06-13 George M Happ Magnetic structure for treating liquids containing calcareous matter
US3700110A (en) * 1971-07-14 1972-10-24 Baltimore Aircoil Co Inc Fluid strainer
US3954611A (en) * 1975-01-29 1976-05-04 Reedy Elvie L Portable apparatus and method for purifying lubricating oil in various devices
US4422934A (en) * 1982-04-22 1983-12-27 Debney-Spencer Industries Ltd. Magnetic device for the treatment of calcareous fluids
US4659479A (en) * 1984-12-19 1987-04-21 Stickler Raymond E Electromagnetic water treating device
EP0237923A2 (en) * 1986-03-19 1987-09-23 Aldo Morelli Filter module
US4865747A (en) * 1988-01-27 1989-09-12 Aqua-D Corp. Electromagnetic fluid treating device and method
US4865730A (en) * 1987-02-04 1989-09-12 Altalanos Szolgaltato Es Epitoipari Kisszovetkezet Apparatus for the removal of ferromagnetic materials from liquids, organic or inorganic compounds respectively mixtures--in particular fuels--, for treating with magnetic field and reduction of surfacial stresses
US4879045A (en) * 1986-01-13 1989-11-07 Eggerichs Terry L Method and apparatus for electromagnetically treating a fluid
US4946598A (en) * 1989-03-09 1990-08-07 Carrier Corporation Suction strainer and method of assembly
US4961847A (en) * 1989-02-02 1990-10-09 Carrier Corporation Suction strainer
US5271834A (en) * 1989-03-30 1993-12-21 Alice Isola Apparatus for the magnetic treatment of a fluid
US20070029261A1 (en) * 2005-08-02 2007-02-08 Chew Hwee H Method and device for water treatement using an electromagnetic field
US20080282749A1 (en) * 2007-05-16 2008-11-20 Samsung Electronics Co., Ltd. Washing machine having water softening device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1659136A (en) * 1928-02-14 Best available copy
US1745248A (en) * 1928-04-30 1930-01-28 Guenther Edward J De Oil-treating apparatus
US1768550A (en) * 1926-06-28 1930-07-01 Hudson Motor Car Co Oil purifier
US2149764A (en) * 1937-06-10 1939-03-07 Bendix Aviat Corp Magnetic filter
US2358612A (en) * 1942-03-24 1944-09-19 Cleveland Worm & Gear Company Magnetic drain plug
US2399994A (en) * 1944-04-19 1946-05-07 Robert C Feagin Oil strainer

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1659136A (en) * 1928-02-14 Best available copy
US1768550A (en) * 1926-06-28 1930-07-01 Hudson Motor Car Co Oil purifier
US1745248A (en) * 1928-04-30 1930-01-28 Guenther Edward J De Oil-treating apparatus
US2149764A (en) * 1937-06-10 1939-03-07 Bendix Aviat Corp Magnetic filter
US2358612A (en) * 1942-03-24 1944-09-19 Cleveland Worm & Gear Company Magnetic drain plug
US2399994A (en) * 1944-04-19 1946-05-07 Robert C Feagin Oil strainer

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2771995A (en) * 1952-11-27 1956-11-27 Jaruza A G Chur Soc Magnetic separator
US2800230A (en) * 1953-07-15 1957-07-23 Jean Thoma Magnetic separators
US2792120A (en) * 1953-07-16 1957-05-14 Cash A W Co Strainer
US2789655A (en) * 1953-08-03 1957-04-23 Ralph A Michael Magnetic dust traps or filters
US2887230A (en) * 1955-05-27 1959-05-19 Cuno Eng Corp Magnetic filter
US3035703A (en) * 1957-11-14 1962-05-22 Pall Corp Magnetic filter unit
US3228868A (en) * 1958-05-28 1966-01-11 Ruskin Dan Process for the conversion of hydrogen
US3170871A (en) * 1960-11-22 1965-02-23 Moriya Saburo Miyata Magnetic filter
US3421627A (en) * 1964-10-09 1969-01-14 Arlon Nv Bypass filter with magnetic member
US3353678A (en) * 1965-06-22 1967-11-21 Peter F Dragon Filter having assembling, sealing and flushing means
US3468420A (en) * 1966-08-17 1969-09-23 Parker Hannifin Corp Fluid filter
US3486622A (en) * 1967-01-18 1969-12-30 Parker Hannifin Corp Bayonet filter
US3669274A (en) * 1969-12-29 1972-06-13 George M Happ Magnetic structure for treating liquids containing calcareous matter
US3700110A (en) * 1971-07-14 1972-10-24 Baltimore Aircoil Co Inc Fluid strainer
US3954611A (en) * 1975-01-29 1976-05-04 Reedy Elvie L Portable apparatus and method for purifying lubricating oil in various devices
US4422934A (en) * 1982-04-22 1983-12-27 Debney-Spencer Industries Ltd. Magnetic device for the treatment of calcareous fluids
US4659479A (en) * 1984-12-19 1987-04-21 Stickler Raymond E Electromagnetic water treating device
US4879045A (en) * 1986-01-13 1989-11-07 Eggerichs Terry L Method and apparatus for electromagnetically treating a fluid
EP0237923A2 (en) * 1986-03-19 1987-09-23 Aldo Morelli Filter module
EP0237923A3 (en) * 1986-03-19 1988-08-03 Aldo Morelli Filter module
US4865730A (en) * 1987-02-04 1989-09-12 Altalanos Szolgaltato Es Epitoipari Kisszovetkezet Apparatus for the removal of ferromagnetic materials from liquids, organic or inorganic compounds respectively mixtures--in particular fuels--, for treating with magnetic field and reduction of surfacial stresses
US4865747A (en) * 1988-01-27 1989-09-12 Aqua-D Corp. Electromagnetic fluid treating device and method
US4961847A (en) * 1989-02-02 1990-10-09 Carrier Corporation Suction strainer
US4946598A (en) * 1989-03-09 1990-08-07 Carrier Corporation Suction strainer and method of assembly
US5271834A (en) * 1989-03-30 1993-12-21 Alice Isola Apparatus for the magnetic treatment of a fluid
US20070029261A1 (en) * 2005-08-02 2007-02-08 Chew Hwee H Method and device for water treatement using an electromagnetic field
US7887708B2 (en) 2005-08-02 2011-02-15 Mass Technology (H.K.) Limited Method and device for water treatment using an electromagnetic field
US20080282749A1 (en) * 2007-05-16 2008-11-20 Samsung Electronics Co., Ltd. Washing machine having water softening device
US8001811B2 (en) * 2007-05-16 2011-08-23 Samsung Electronics Co., Ltd Washing machine having water softening device

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