US1762585A - Analyzer - Google Patents
Analyzer Download PDFInfo
- Publication number
- US1762585A US1762585A US161691A US16169127A US1762585A US 1762585 A US1762585 A US 1762585A US 161691 A US161691 A US 161691A US 16169127 A US16169127 A US 16169127A US 1762585 A US1762585 A US 1762585A
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- US
- United States
- Prior art keywords
- basin
- outlet
- fluid
- fluids
- velocity
- Prior art date
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- Expired - Lifetime
Links
- 239000012530 fluid Substances 0.000 description 55
- 239000002245 particle Substances 0.000 description 18
- 239000000463 material Substances 0.000 description 13
- 239000007787 solid Substances 0.000 description 10
- 239000013072 incoming material Substances 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 238000010276 construction Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000012265 solid product Substances 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- -1 silt Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0208—Separation of non-miscible liquids by sedimentation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0208—Separation of non-miscible liquids by sedimentation
- B01D17/0214—Separation of non-miscible liquids by sedimentation with removal of one of the phases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0217—Separation of non-miscible liquids by centrifugal force
Definitions
- the object of the invention is to accelerate the separation of solids, such as dust, silt, sediment or a precipitate producedby heat, cold, mechanical or chemical action, susg. pended in a fluid; or the separation of two fluids of different-densities; and to assemble the materials separated at central or other convenient locations for removal; to produce in one basin the various velocities required to 1 move the heavier particles to a central outlet for cleaning and disposal; to extend the range of sedimentation to particles too small or too light to settle out of a motionless fluid, and to provide for continuous or interniittant operation and the removal of the dregs as may be most convenient.
- solids such as dust, silt, sediment or a precipitate producedby heat, cold, mechanical or chemical action, susg. pended in a fluid; or the separation of two fluids of different-densities; and to assemble the materials separated at central or other convenient locations for removal; to produce in one basin the various velocities required to 1 move the heavier particles to a central outlet for cleaning
- the object may be to purify either the lighter or denser of the ingredients, or both' of them, and is, attained by producing 2 various velocities, gradually reduced to the point where the difference between the friction of rest and the friction of motion permits more effective action of the force of gravitation.
- Figure 1 is an elevation of a c lindrical basin with a portion of the rightland side removed to show the interior construction, sloping bottom and inlet gates, a portion of the wall at the left-hand side is broken away 40' to show gutter and outlet.
- Figure 2 is a plan View of-the basin show ing the roof on the upper-left one third; a
- Figure 3 is an elevation of the upper part of theoutlet conduit and float, showing onthe left-hand side an elevation and on the right-hand side a section, all at an enlarged scale.
- Figure 4 is an elevation of the lower art of the outlet conduit and sum at the ottom of the basin, at an enlarge scale, showing on the left-hand side an elevation and on the right-hand side a vertical section of the outlet conduit and sump for the collection of the dregs and passages through the sump for the discharge of purified fluids.
- Figure 5 is a plan view of the parts shown in elevation in Figure 4.
- Figure 6 is a plan view of the frame for an inlet gate used to admit material to be treated and to control the direction and velocity of the fluid contents of'the basin.
- Figure 7 is an elevation of the frame for an inlet gate showing the gate raised to 7 admit fluid in a radial direction at the bottom of the inlet, while fluid entering at the top of the inlet gate is deflected to a tangential direction by the vane on the gate.
- Figure 8 is a horizontal section through the frame, inlet gate and vane at the inlet opening.
- 1 represents a basin, tank or reservoir which constitutes the body of improved analyzer.
- Thebottom 2, and the sides 3, may be constructed of any material suitable for use with the fluids and solids-to be analyzed; the basin may have a top or roof 4:, for some processes and for others it may have no top and be operated free and open to atmospheric pressure. In either case it shall be adapted to have a free surface 5 at the top, where the frictional resistance to the moving contents is at a minimum.
- the materials to be purified require a closed container, a space for oil, air, or a suitable vapor or gas shall be provided between the surface 5, and the top 4, of a closed basin.
- the basin as shown by Fig. 1 and Fig. 2 is equipped with a plurality of inlet gates 6, located near the bottom thereof and preferably .of equal size and equally spaced r In addition to “serving as inlets for ma .terial to be purified. in the basin, the inlet gates 6, also shown in detail by Figs. 6, 7
- the inlet gate 6 consists of frame 11,- at tached to the side of basin 3, and is rovided with a seat 12, and bearings 13 an 14, for close operating contact with the 15, has a seat 16, an axis or borev l vane 18, and stem 19, extended to a convenient location for operation.
- Figure 7 shows the gate at a mid-position vertically, with reference to-the frame
- thegate may be rotated on the bearings 13 and 1.4 todeflect the flow of incoming material to the right or to the left, or to any intermediate direction, while at the same time the gate may be traversed vertically to admit any desired proportion of the'incoming material directly toward the 7 center of the basin.
- the flow of material may be directed to secure the best results for a great variety of purposes.
- the basin may be equipped with a gutter 36, at the periphery and an outlet 37, through the wall 3, for the removal of scum and other material of lower specific gravity than thelighter purified fluid removed at7.
- the outlet 7, shown at a larger scale in- Fig. 3, may be fixed. in position, or vertically adjustable by suitable mechanism, or automatically controlled as shown by the float F.
- the fluid is preferably carrieddownward through tube 8, and passages 10 through the sump construction, shown by Fig. 4, and Fig. 5, and discharged through conduit 29, as indicated by arrows 20, 21
- the fluid may also be carried upward and discharged through aconduit by any well known means.
- the outlet tube 8 may be made of sheet rubber reinforced and held to form desired by hoops, or be made of other suitable fab- .ric; it-may be made to adjust vertically by rial passing through the annular outlet 9,
- the sump may be equipped with an inlet for pipe 26, an annular chamber 27, and orifices 28, for the injection ofair, water or other fluid at a suitfree flow through the outlet 25.
- cylindrical sides of the basin and the conical bottom are not essential features of the invention; spiral, oval, rectangular or other regular or irregular forms may be used, although cylindrical sides and a conical bottom are most logical and eflicient.
- inlet gates, outlets or dischargeconduits may be used without departing from the essential features of the invention, provided the movements imparted to the fluids and solids within the basin .are substantially as set forth in description and claims, are for thepurpose intended, and are produced without the aid of mechanically operated mechanism.
- the particle may be rotated on a horizontal or on a vertical axis, but it almost invariably will be rotated on an inclined axis that varies with the irregularities in the form of the particle, and also from instant to instant as the particle tendsto follow the path of least resistance.
- the denser particles In a fluid moving in a circular, or approximately circular, path and'at-a velocity slightly less than that required to maintain the denser particles in suspension, the denser particles will be partially supported on the container and will be rolled along the bottom thereof; but the denser particles, in-
- a particle 33 may be, suspended between two contiguous films that are traveling at slightly different velocities, as indicated by.arrows 31 and 32, in Fig. 2,
- the further analysis of the roducts from either or all of the outlets o a basin may be effected by passing them through a series of basins operated at velocities adjusted to produce the purity desired.
- An. analyzer for fluids or fluids and solids in which is combined a basin adapted to have a free surface .at the top of the lightest fluid contents, a plurality of adjust- ,able inlet gates adapted to rotate about a vertical axis near the periphery of the basin to control the direction and velocity of the incoming materials and the direction and velocity of rotation of the contents of the basin, an outlet near the free surface at the center of the basin for the removal of the lightest fluid product, a sump and outlet at the center of the basin for the collection and removal of heavy fluid and solid products, and a gutter and outlet at'the free surface and periphery of the basin for the removal of scum and floating solids.
- An analyzer for fluids or fluids and solids in which is combined a basin adapted to-have a free surface at the top of the lightest fluid contents, a plurality of adjustable inlet gates adapted to rotate about a vertical axis near the periphery of the basin to control the direction and velocity of the incoming materials and the direction and velocity of rotation of the contents of the basin, an outlet near the free surface at the center of the basin for the removal of the lightest fluid product, a sump and outlet at the center of the basin for the collection and removal of heavy fluid and solid products.
- An analyzer for fluids or fluids and solids in which is combined a basin having a plurality of adjustable inlet gates adapted to rotate about a vertical axis near the periphery of the basin to'control the direction and velocity of the incoming materials and the direction and velocity of rotation of the contents of the basin, an outlet near the upper surface of fluids and the center of the basin for the removal of the lightest products and a sump and outlet at the center of the basin for the collection and removal of the heavier products.
- An analyzer for fluids or fluids and solids in which is combined a basin having a plurality of adjustable inlet gates adapted to rotate about a vertical axis near the pe riphery of the basin to control the direction and velocity of the incoming materials and the direction and velocity of rotation of the contents of the basin, an outlet near the I upper surface of-fluids and the center of the basin for the removal of the lightest prodnets and an outlet at the center-of the bottom for the removal of the heavier products.
- An analyzer for fluids or fluids and solids in which is combined a basin, a plurality of adjustable inlet gates near the periphery of the basin adapted to swing in a substantially horizontal plane to vary the direction of incoming material and thereby control the rate of rotation of the contents of the basin, an outlet at the center of the basin and near the upper surface of the contents under treatment and an outlet at the center of the bottom of the basin.
- An analyzer 'for fluids or fluids and solids in which is combined a basin adapted to have a free surface at the top of the lightest fluid contents, a plurality of inlet gates near the periphery of the basin angularly adjustable relatively to the basin wall to an extent to reverse the direction of flow of the incoming material and the direction and velocity of rotation of the contents of the basin, an outlet near the free surface at "the center of the basin for the removal of the lightest fluid product, a sump and outlet at the center of the basin for the collection and removal of the heavy fluid and solid products and an outlet and gutter at the free surface and periphery of the basin for the. removal of scum and floating solids.
Description
June 10, 1930.
J. w. PEARL ANALYZER Filed Jan. 17, 192? 2 sheets-sheet 1 A? en for.
10, 1930. w, PEARL 7 I 1,762,585
ANALYZER Filed Jan. 17', 1927 2 Sheets-Sheet 2 Patented June 10, 1930 v Y UNITED STATES .PATENT OFFICE mains w. PEARL, or cmcaeo, rumors ANALYZER Application filed January 17, 1927. Serial No. 161,691.
The object of the invention is to accelerate the separation of solids, such as dust, silt, sediment or a precipitate producedby heat, cold, mechanical or chemical action, susg. pended in a fluid; or the separation of two fluids of different-densities; and to assemble the materials separated at central or other convenient locations for removal; to produce in one basin the various velocities required to 1 move the heavier particles to a central outlet for cleaning and disposal; to extend the range of sedimentation to particles too small or too light to settle out of a motionless fluid, and to provide for continuous or interniittant operation and the removal of the dregs as may be most convenient.
The object may be to purify either the lighter or denser of the ingredients, or both' of them, and is, attained by producing 2 various velocities, gradually reduced to the point where the difference between the friction of rest and the friction of motion permits more effective action of the force of gravitation. g
The invention consists of novel features and parts and combination' of parts, as will be fully described hereinafter and pointed out in the claims.
The construction used to produce the results desired is shown in the accompanying drawings, forming a part of the specification, in which similar characters of refer ence indicate corresponding parts in all the views.
Figure 1 is an elevation of a c lindrical basin with a portion of the rightland side removed to show the interior construction, sloping bottom and inlet gates, a portion of the wall at the left-hand side is broken away 40' to show gutter and outlet.
Figure 2, is a plan View of-the basin show ing the roof on the upper-left one third; a
horizontal section through the windows on the upper-right one third; a horizontal section of thebasin through the inlet gates and a View of the bottom are shown on the lower one third of the figure, a portion of the roof is broken away at left-hand side to show gutter and outlet. I
Figure 3, is an elevation of the upper part of theoutlet conduit and float, showing onthe left-hand side an elevation and on the right-hand side a section, all at an enlarged scale.
Figure 4:, is an elevation of the lower art of the outlet conduit and sum at the ottom of the basin, at an enlarge scale, showing on the left-hand side an elevation and on the right-hand side a vertical section of the outlet conduit and sump for the collection of the dregs and passages through the sump for the discharge of purified fluids.
Figure 5, is a plan view of the parts shown in elevation in Figure 4.
Figure 6, is a plan view of the frame for an inlet gate used to admit material to be treated and to control the direction and velocity of the fluid contents of'the basin.
Figure 7, is an elevation of the frame for an inlet gate showing the gate raised to 7 admit fluid in a radial direction at the bottom of the inlet, while fluid entering at the top of the inlet gate is deflected to a tangential direction by the vane on the gate.
Figure 8, is a horizontal section through the frame, inlet gate and vane at the inlet opening.
.The apparatus is described in detail as follows Referring to the drawings, 1 represents a basin, tank or reservoir which constitutes the body of improved analyzer. Thebottom 2, and the sides 3, may be constructed of any material suitable for use with the fluids and solids-to be analyzed; the basin may have a top or roof 4:, for some processes and for others it may have no top and be operated free and open to atmospheric pressure. In either case it shall be adapted to have a free surface 5 at the top, where the frictional resistance to the moving contents is at a minimum.
\Vhen the materials to be purified require a closed container, a space for oil, air, or a suitable vapor or gas shall be provided between the surface 5, and the top 4, of a closed basin.
The basin as shown by Fig. 1 and Fig. 2, is equipped with a plurality of inlet gates 6, located near the bottom thereof and preferably .of equal size and equally spaced r In addition to "serving as inlets for ma .terial to be purified. in the basin, the inlet gates 6, also shown in detail by Figs. 6, 7
' and 8, are utilized to produce rotation of the material passing through the analyzer and to regulate the velocity and direction the ingredients will take as they move along to their respective outlets at 7 and 9.
The inlet gate 6, consists of frame 11,- at tached to the side of basin 3, and is rovided with a seat 12, and bearings 13 an 14, for close operating contact with the 15, has a seat 16, an axis or borev l vane 18, and stem 19, extended to a convenient location for operation.
Figure 7, shows the gate at a mid-position vertically, with reference to-the frame, and
from this position thegate may be rotated on the bearings 13 and 1.4 todeflect the flow of incoming material to the right or to the left, or to any intermediate direction, while at the same time the gate may be traversed vertically to admit any desired proportion of the'incoming material directly toward the 7 center of the basin.' By the numerous vertical and horizontal combinations of movements available with these gates, and the pressure applied to the incoming material,
the flow of material may be directed to secure the best results for a great variety of purposes.
The basin'is equipped with an annular outlet 7, located at the center and near the top for the removal of the lighter purified fluid; and an annular outlet 9, located at the center and below the bottom for the removal of the heavier fluids and any solid material or dregs having a greater specific gravity than the fluids.
The basin may be equipped with a gutter 36, at the periphery and an outlet 37, through the wall 3, for the removal of scum and other material of lower specific gravity than thelighter purified fluid removed at7.
The outlet 7, shown at a larger scale in- Fig. 3, may be fixed. in position, or vertically adjustable by suitable mechanism, or automatically controlled as shown by the float F.
From outlet 7, the fluid is preferably carrieddownward through tube 8, and passages 10 through the sump construction, shown by Fig. 4, and Fig. 5, and discharged through conduit 29, as indicated by arrows 20, 21
ate; gate and 22. I From outlet 7, the fluid may also be carried upward and discharged through aconduit by any well known means.
The outlet tube 8, may be made of sheet rubber reinforced and held to form desired by hoops, or be made of other suitable fab- .ric; it-may be made to adjust vertically by rial passing through the annular outlet 9,
and promote the ow as indicated by the arrows 23 and 24, and concentrate it over' the central outlet 25.. The sump may be equipped with an inlet for pipe 26, an annular chamber 27, and orifices 28, for the injection ofair, water or other fluid at a suitfree flow through the outlet 25.
The cylindrical sides of the basin and the conical bottom are not essential features of the invention; spiral, oval, rectangular or other regular or irregular forms may be used, although cylindrical sides and a conical bottom are most logical and eflicient.
Other forms of inlet gates, outlets or dischargeconduits may be used without departing from the essential features of the invention, provided the movements imparted to the fluids and solids within the basin .are substantially as set forth in description and claims, are for thepurpose intended, and are produced without the aid of mechanically operated mechanism.
In the body of a. fluid in' motion that contains particles of other matter of greater density, it is well known that the velocity necessary to maintain the denser particles in sus ension and transportation is greater than the velocity required to roll or slide the denser particles along the bottom of the container.
When in a'.moving fluid a particle of slightly greater density than the surrounding .fluid touches the'bottom ofthe container,
the particle may be rotated on a horizontal or on a vertical axis, but it almost invariably will be rotated on an inclined axis that varies with the irregularities in the form of the particle, and also from instant to instant as the particle tendsto follow the path of least resistance. p
In a fluid moving in a circular, or approximately circular, path and'at-a velocity slightly less than that required to maintain the denser particles in suspension, the denser particles will be partially supported on the container and will be rolled along the bottom thereof; but the denser particles, in-
stead of following the direction of the fluid [able pressure to break any obstructions, agitate the contents of the sump and promote toward the center of rotation of the fluids.
spiral-like path to the outlets 7 This is a fact that is not so generall known, or recognized, though it can be rea 11y demonstrated.
For the efficient operation of'an analyzerit is necessary to avoid, so far as posslble, all short circuits of currents, eddles,
counter currents, irregularities and obstructions in the path of the moving materials;
and to control the velocity and direction of the moving fluids.
The operation of this analyzer is described as follows A mixture of material entering the basin through a pluralit of inlet gates 6, in the direction indicate by the arrows 30, will produce rotation of the entire body of fluid in the basin; the rotation of this entire mass of material in the basin will prevent a short circuit or flowing directly to outlets 7 or 9; the continuous displacement at the periphery by material entering at the inlet gates will prevent flowing in a truly circular path and force the fluids to take a and 9.
The energy necessary to roduce and maintain rotation of the entire ody of fluid is supplied by the weight and velocity of the material entering at the inlet gates; it follows, that each successive film of fluid from the periphery toward the center of the basin will transmlt a diminished amount of energyf Also, in each successive film of fluid from the center toward the periphery the velocity will be increased directly as radii of curvature of the path of the two successive films, plus the velocity consumed in overcoming the friction between the two films.
A particle 33, however small it may be, suspended between two contiguous films that are traveling at slightly different velocities, as indicated by.arrows 31 and 32, in Fig. 2,
will be rotated as indicated'by arrow 34. The rotation of a particle, as 33, suspended in a fluid changes the resistance to movement of the particle, with reference to the fluids surrounding it, from the friction ofrest to the friction of motion and thereby accelerates the movement of the lighter parts to the top and the heavier parts to the bottom of the basin.
As a particle arrives at and touches the bottom of the basin, the increased friction at the point of contact will cause a change in the direction of the axis of rotation of the particle and the particle 33, will now take another spiral path which is deflected at a considerable angle with the path of the fluid immediately above it and toward the center of the basin as indicated by the arrow '35. As the operation is continued the lighter products are carried to the top and to the outlet 7; the heavier products are carried to the outlet 9, and any scum or product lighter than the lightest fluid may be floated to the outlet at the periphery of the basin.
The further analysis of the roducts from either or all of the outlets o a basin may be effected by passing them through a series of basins operated at velocities adjusted to produce the purity desired.
vI am aware that prior to my invention separators have been made to operate at high velocities and to separate various materials of different specific gravity by centrifugal forces; and I do not. claim any parts or combination of parts acting in like manner.
I claim 1. An. analyzer for fluids or fluids and solids in which is combined a basin adapted to have a free surface .at the top of the lightest fluid contents, a plurality of adjust- ,able inlet gates adapted to rotate about a vertical axis near the periphery of the basin to control the direction and velocity of the incoming materials and the direction and velocity of rotation of the contents of the basin, an outlet near the free surface at the center of the basin for the removal of the lightest fluid product, a sump and outlet at the center of the basin for the collection and removal of heavy fluid and solid products, and a gutter and outlet at'the free surface and periphery of the basin for the removal of scum and floating solids.
2. An analyzer for fluids or fluids and solids in which is combined a basin adapted to-have a free surface at the top of the lightest fluid contents, a plurality of adjustable inlet gates adapted to rotate about a vertical axis near the periphery of the basin to control the direction and velocity of the incoming materials and the direction and velocity of rotation of the contents of the basin, an outlet near the free surface at the center of the basin for the removal of the lightest fluid product, a sump and outlet at the center of the basin for the collection and removal of heavy fluid and solid products.
3. An analyzer for fluids or fluids and solids in which is combined a basin having a plurality of adjustable inlet gates adapted to rotate about a vertical axis near the periphery of the basin to'control the direction and velocity of the incoming materials and the direction and velocity of rotation of the contents of the basin, an outlet near the upper surface of fluids and the center of the basin for the removal of the lightest products and a sump and outlet at the center of the basin for the collection and removal of the heavier products.
l. An analyzer for fluids or fluids and solids in which is combined a basin having a plurality of adjustable inlet gates adapted to rotate about a vertical axis near the pe riphery of the basin to control the direction and velocity of the incoming materials and the direction and velocity of rotation of the contents of the basin, an outlet near the I upper surface of-fluids and the center of the basin for the removal of the lightest prodnets and an outlet at the center-of the bottom for the removal of the heavier products.
5. An analyzer for fluids or fluids and solids in which is combined a basin, a plurality of adjustable inlet gates near the periphery of the basin adapted to swing in a substantially horizontal plane to vary the direction of incoming material and thereby control the rate of rotation of the contents of the basin, an outlet at the center of the basin and near the upper surface of the contents under treatment and an outlet at the center of the bottom of the basin.
6. An analyzer 'for fluids or fluids and solids in which is combined a basin adapted to have a free surface at the top of the lightest fluid contents, a plurality of inlet gates near the periphery of the basin angularly adjustable relatively to the basin wall to an extent to reverse the direction of flow of the incoming material and the direction and velocity of rotation of the contents of the basin, an outlet near the free surface at "the center of the basin for the removal of the lightest fluid product, a sump and outlet at the center of the basin for the collection and removal of the heavy fluid and solid products and an outlet and gutter at the free surface and periphery of the basin for the. removal of scum and floating solids.
All substantially as described and for the purpose set forth.
In testimony whereof I have signed this spec1fication on this twentieth day of December, 1926. p
' JAMES W. PEARL.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US161691A US1762585A (en) | 1927-01-17 | 1927-01-17 | Analyzer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US161691A US1762585A (en) | 1927-01-17 | 1927-01-17 | Analyzer |
Publications (1)
Publication Number | Publication Date |
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US1762585A true US1762585A (en) | 1930-06-10 |
Family
ID=22582293
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US161691A Expired - Lifetime US1762585A (en) | 1927-01-17 | 1927-01-17 | Analyzer |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2425065A (en) * | 1943-07-21 | 1947-08-05 | Dorr Co | Method of separating flocculatable and gritty solids from liquids |
US2426804A (en) * | 1944-06-14 | 1947-09-02 | Graver Tank & Mfg Co Inc | Liquid treatment tank with concentric compartments and with distributors below the bottom surface |
US2431499A (en) * | 1944-08-21 | 1947-11-25 | Standard Oil Dev Co | Settling catalysts from oil having an inert gas thereabove |
US2461619A (en) * | 1945-01-12 | 1949-02-15 | Wolcott Herbert | Auxiliary backwash for watertreating systems |
-
1927
- 1927-01-17 US US161691A patent/US1762585A/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2425065A (en) * | 1943-07-21 | 1947-08-05 | Dorr Co | Method of separating flocculatable and gritty solids from liquids |
US2426804A (en) * | 1944-06-14 | 1947-09-02 | Graver Tank & Mfg Co Inc | Liquid treatment tank with concentric compartments and with distributors below the bottom surface |
US2431499A (en) * | 1944-08-21 | 1947-11-25 | Standard Oil Dev Co | Settling catalysts from oil having an inert gas thereabove |
US2461619A (en) * | 1945-01-12 | 1949-02-15 | Wolcott Herbert | Auxiliary backwash for watertreating systems |
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