Patent US4193702A successfully refreshed from Google Patents.
US4193702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet mixer and method
Assignee: Individual
•
Filing: 1978-09-20
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Granted: 1980-03-18
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Expires: 1998-09-20
Abstract
Abstract A jet impeller mixer-agitator having a shaft adapted for rotation by a power source, a hub communicating with the shaft and at least one hollow blade fixed to the hub, the hollow blade having a fluid entrance opening on the effective face of the blade and a fluid exit opening on the non-effective face of the blade with a fluid passage connecting the fluid entrance opening and the fluid exit opening so that upon rotation of the shaft the fluid is directly forced into the fluid entrance opening, through the fluid passage and out of the fluid exit opening.
Inventors
- 👤 Philip E. Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:44
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/05; B01F27/11; B01F27/112; B01F27/1123; B01F27/80; B01F27/81; E; E21; E21B; E21B21/00; E21B21/06; E21B21/062
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
103 words
A jet impeller mixer-agitator adapted for immersion in a body of fluid comprising: (1) a shaft adapted for rotation by a power source, (2) a hub on said shaft connected for rotation therewith, and (3) at least one tubular blade connected to said hub for rotation therewith, and extending substantially radially from said shaft, said tubular blade having at least one fluid entrance opening facing substantially in the direction of rotation, at least one fluid exit opening facing substantially in a non-direction of rotation, and at least one fluid passage in flow communication with the fluid entrance opening and the fluid exit opening.
Claim 2
Dependent Claim
103 words
A jet impeller mixer-agitator adapted for immersion in a body of fluid comprising: (1) a shaft adapted for rotation by a power source, (2) a hub on said shaft connected for rotation therewith, and (3) at least one tubular blade connected to said hub for rotation therewith, and extending substantially radially from said shaft, said tubular blade having at least one fluid entrance opening facing substantially in the direction of rotation, at least one fluid exit opening facing substantially in a non-direction of rotation, and at least one fluid passage in flow communication with the fluid entrance opening and the fluid exit opening.
Claim 3
Dependent Claim
121 words
A jet impeller mixer-agitator adapted for immersion in a body of fluid comprising: (1) a shaft adapted for rotation by a power source, (2) a hub on said shaft connected for rotation therewith, and (3) at least one tubular blade connected to said hub for rotation therewith, and extending substantially radially from said shaft, each of said tubular blades having at least one fluid entrance opening facing substantially in the direction of rotation, at least one fluid exit opening facing substantially in a non-direction of rotation and at least one fluid passage in flow communication with the fluid entrance opening and the fluid exit opening, one of said openings being closer to the shaft on said blade than the other opening.
Claim 4
Dependent Claim
121 words
A jet impeller mixer-agitator adapted for immersion in a body of fluid comprising: (1) a shaft adapted for rotation by a power source, (2) a hub on said shaft connected for rotation therewith, and (3) at least one tubular blade connected to said hub for rotation therewith, and extending substantially radially from said shaft, each of said tubular blades having at least one fluid entrance opening facing substantially in the direction of rotation, at least one fluid exit opening facing substantially in a non-direction of rotation and at least one fluid passage in flow communication with the fluid entrance opening and the fluid exit opening, one of said openings being closer to the shaft on said blade than the other opening.
Claim 5
Dependent Claim
16 words
The jet impeller mixer-agitator of claim 1 or 2 having between 2 and 8 tubular blades.
Claim 6
Dependent Claim
22 words
The jet impeller mixer-agitator of claim 3 where the fluid entrance opening is closer to the shaft than the fluid exit opening.
Claim 7
Dependent Claim
22 words
The jet impeller mixer-agitator of claim 3 where the fluid entrance opening is further from the shaft than the fluid exit opening.
Claim 8
Dependent Claim
22 words
The jet impeller mixer-agitator of claim 4 where the blade is arcuated in a convex manner relative to the direction of rotation.
Claim 9
Dependent Claim
22 words
The jet impeller mixer-agitator of claim 5 where the blade is arcuated in a concave manner relative to the direction of rotation.
Claim 10
Dependent Claim
62 words
The jet impeller mixer-agitator of claim 6, or 7 where the blade is attached to the hub so that a line tangent to the longitudinal center of the blade at the end of the blade closest to the shaft would form a cord of the circle made by the end of the blade furthest from the shaft when the impeller was rotated.
Claim 11
Dependent Claim
29 words
The jet impeller mixer-agitator of claim 3 where the face of the tubular blades have channels for moving the fluid in a direction perpendicular to the axis of rotation.
Claim 12
Dependent Claim
44 words
The jet impeller mixer-agitator of claim 3 where the face of the tubular blades are inclined relative to the axis of rotation so that, upon rotation, the face of the blade moves the fluid in a direction substantially parallel to the axis of rotation.
Claim 13
Dependent Claim
190 words
A jet impeller mixer-agitator adapted for immersion in a body of fluid comprising: (1) a shaft adapted for rotation by a power source, (2) a hub on said-shaft connected for rotation therewith, and (3) between 2 and 6 tubular blades connected to said hub for rotation therewith and extending substantially radially from said shaft, said blades being connected to said hub so that a line tangent to the longitudinal center of the blade at the end of the blade closest to the shaft would form a cord of the circle made by the end of the blade furthest from the shaft, the end of the blade nearest the shaft being advanced in the direction of rotation relative to the end of the blade furthest from the shaft, said tubular blade having at least one fluid entrance opening on the effective face of the blade, at least one fluid exit opening on the non-effective face of the blade, said fluid exit opening being further from the shaft than said fluid entrance opening, and at least one fluid passage in flow communication with the fluid entrance opening and the fluid exit opening.
Claim 14
Dependent Claim
190 words
A jet impeller mixer-agitator adapted for immersion in a body of fluid comprising: (1) a shaft adapted for rotation by a power source, (2) a hub on said-shaft connected for rotation therewith, and (3) between 2 and 6 tubular blades connected to said hub for rotation therewith and extending substantially radially from said shaft, said blades being connected to said hub so that a line tangent to the longitudinal center of the blade at the end of the blade closest to the shaft would form a cord of the circle made by the end of the blade furthest from the shaft, the end of the blade nearest the shaft being advanced in the direction of rotation relative to the end of the blade furthest from the shaft, said tubular blade having at least one fluid entrance opening on the effective face of the blade, at least one fluid exit opening on the non-effective face of the blade, said fluid exit opening being further from the shaft than said fluid entrance opening, and at least one fluid passage in flow communication with the fluid entrance opening and the fluid exit opening.
Claim 15
Independent Claim
132 words
A method of mixing and agitating a fluid comprises: (a) inserting below the surface of the fluid a mixing/agitating device comprising; (1) a shaft adapted for rotation by a power source, (2) a hub on said shaft connected for rotation therewith, and (3) at least one tubular blade connected to said hub for rotation therewith, said tubular blade having at least one fluid entrance opening facing substantially in the direction of rotation, at least one fluid exit opening facing substantially in a non-direction of rotation, and at least one fluid passage in flow communication with the fluid entrance opening and the fluid exit opening; (b) rotating the shaft, so that fluid is forced directly into the fluid entrance opening, through the fluid passage and out the fluid exit opening of the tube.
Claim 16
Independent Claim
132 words
A method of mixing and agitating a fluid comprises: (a) inserting below the surface of the fluid a mixing/agitating device comprising; (1) a shaft adapted for rotation by a power source, (2) a hub on said shaft connected for rotation therewith, and (3) at least one tubular blade connected to said hub for rotation therewith, said tubular blade having at least one fluid entrance opening facing substantially in the direction of rotation, at least one fluid exit opening facing substantially in a non-direction of rotation, and at least one fluid passage in flow communication with the fluid entrance opening and the fluid exit opening; (b) rotating the shaft, so that fluid is forced directly into the fluid entrance opening, through the fluid passage and out the fluid exit opening of the tube.
Claim 17
Dependent Claim
117 words
A jet impeller mixer-agitator adapted for immersion in a body of fluid comprising: (1) a shaft adapted for rotation by a power source, (2) a hub on said shaft connected for rotation therewith, and (3) at least one tubular blade connected to said hub for rotation therewith, and extending substantially radially from said shaft, said tubular blade having at least one fluid entrance opening facing substantially in the direction of rotation, at least one fluid exit opening facing substantially in a non-direction of rotation, at least one fluid passage in flow communication with the fluid entrance opening and the fluid exit opening, where the fluid entrance opening is further from the shaft than the fluid exit opening.
Claim 18
Dependent Claim
117 words
A jet impeller mixer-agitator adapted for immersion in a body of fluid comprising: (1) a shaft adapted for rotation by a power source, (2) a hub on said shaft connected for rotation therewith, and (3) at least one tubular blade connected to said hub for rotation therewith, and extending substantially radially from said shaft, said tubular blade having at least one fluid entrance opening facing substantially in the direction of rotation, at least one fluid exit opening facing substantially in a non-direction of rotation, at least one fluid passage in flow communication with the fluid entrance opening and the fluid exit opening, where the fluid entrance opening is further from the shaft than the fluid exit opening.
Claim 19
Dependent Claim
22 words
The jet impeller mixer-agitator of claim 13 where the blade is arcuated in a concave manner relative to the direction of rotation.
Claim 20
Dependent Claim
132 words
A jet impeller mixer-agitator adapted for immersion in a body of fluid comprising: (1) a shaft adapted for rotation by a power source, (2) a hub on said shaft connected for rotation therewith, and (3) at least one tubular blade connected to said hub for rotation therewith, extending substantially radially from said shaft, said tubular blade having at least one fluid entrance opening facing substantially in the direction of rotation, at least one fluid exit opening facing substantially in a non-direction of rotation and at least one fluid passage in flow communication with the fluid entrance opening and the fluid exit opening where the fluid entrance opening is closer to the shaft than the fluid exit opening and the blade is arcuated in a convex manner relative to the direction of rotation.
Claim 21
Dependent Claim
132 words
A jet impeller mixer-agitator adapted for immersion in a body of fluid comprising: (1) a shaft adapted for rotation by a power source, (2) a hub on said shaft connected for rotation therewith, and (3) at least one tubular blade connected to said hub for rotation therewith, extending substantially radially from said shaft, said tubular blade having at least one fluid entrance opening facing substantially in the direction of rotation, at least one fluid exit opening facing substantially in a non-direction of rotation and at least one fluid passage in flow communication with the fluid entrance opening and the fluid exit opening where the fluid entrance opening is closer to the shaft than the fluid exit opening and the blade is arcuated in a convex manner relative to the direction of rotation.
Claim 22
Dependent Claim
62 words
The jet impeller mixer-agitator of claim 16 or 15 where the blade is attached to the hub so that a line tangent to the longitudinal center of the blade at the end of the blade closest to the shaft would form a cord of the circle made by the end of the blade furtherest from the shaft when the impeller was rotated.
Claim 23
Dependent Claim
136 words
A jet impeller mixer-agitator adapted for immersion in a body of fluid comprising: (1) a shaft adapted for rotation by a power source, (2) a hub on said shaft connected for rotation therewith, and (3) at least one tubular blade connected to said hub for rotation therewith, and extending substantially radially from said shaft, said tubular blade having at least one fluid entrance opening facing substantially in the direction of rotation, at least one fluid exit opening facing substantially in a non-direction of rotation and at least one fluid passage in flow communication with the fluid entrance opening and the fluid exit opening, where the hub extends radially from the shaft and the blade is attached to the hub so that the entrance opening is entirely on that side of the hub facing the power source.
Claim 24
Dependent Claim
136 words
A jet impeller mixer-agitator adapted for immersion in a body of fluid comprising: (1) a shaft adapted for rotation by a power source, (2) a hub on said shaft connected for rotation therewith, and (3) at least one tubular blade connected to said hub for rotation therewith, and extending substantially radially from said shaft, said tubular blade having at least one fluid entrance opening facing substantially in the direction of rotation, at least one fluid exit opening facing substantially in a non-direction of rotation and at least one fluid passage in flow communication with the fluid entrance opening and the fluid exit opening, where the hub extends radially from the shaft and the blade is attached to the hub so that the entrance opening is entirely on that side of the hub facing the power source.
Claim 25
Dependent Claim
137 words
A jet impeller mixer-agitator adapted for immersion in a body of fluid comprising: (1) a shaft adapted for rotation by a power source, (2) a hub on said shaft connected for rotation therewith, and (3) at least one tubular blade connected to said hub for rotation therewith, and extending substantially radially from said shaft, said tubular blade having at least one fluid entrance opening facing substantially in the direction of rotation, at least one fluid exit opening facing substantially in a non-direction of rotation and at least one fluid passage in flow communication with the fluid entrance opening and the fluid exit opening, where the hub extends radially from the shaft and the blade is attached to the hub so that the entrance opening is on that side of the hub facing away from the power source.
Claim 26
Dependent Claim
137 words
A jet impeller mixer-agitator adapted for immersion in a body of fluid comprising: (1) a shaft adapted for rotation by a power source, (2) a hub on said shaft connected for rotation therewith, and (3) at least one tubular blade connected to said hub for rotation therewith, and extending substantially radially from said shaft, said tubular blade having at least one fluid entrance opening facing substantially in the direction of rotation, at least one fluid exit opening facing substantially in a non-direction of rotation and at least one fluid passage in flow communication with the fluid entrance opening and the fluid exit opening, where the hub extends radially from the shaft and the blade is attached to the hub so that the entrance opening is on that side of the hub facing away from the power source.
Claim 27
Dependent Claim
154 words
A jet impeller mixer-agitator adapted for immersion in a body of fluid comprising: (1) a shaft adapted for rotation by a power source, (2) a hub on said shaft connected for rotation therewith, and (3) at least one tubular blade connected to said hub for rotation therewith, and extending substantially radially from said shaft, said tubular blade having at least one fluid entrance opening facing substantially in the direction of rotation, at least one fluid exit opening facing substantially in a non-direction of rotation and at least one fluid passage in flow communication with the fluid entrance opening and the fluid exit opening, where the hub extends radially from the shaft and the blade is attached to the hub so that one fluid entrance opening is on that side of the hub facing the power source and another fluid entrance opening is on the side of the hub facing away from the power source.
Claim 28
Dependent Claim
154 words
A jet impeller mixer-agitator adapted for immersion in a body of fluid comprising: (1) a shaft adapted for rotation by a power source, (2) a hub on said shaft connected for rotation therewith, and (3) at least one tubular blade connected to said hub for rotation therewith, and extending substantially radially from said shaft, said tubular blade having at least one fluid entrance opening facing substantially in the direction of rotation, at least one fluid exit opening facing substantially in a non-direction of rotation and at least one fluid passage in flow communication with the fluid entrance opening and the fluid exit opening, where the hub extends radially from the shaft and the blade is attached to the hub so that one fluid entrance opening is on that side of the hub facing the power source and another fluid entrance opening is on the side of the hub facing away from the power source.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-03-18 | 1983-09-17 | 1984-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-03-18 | 1987-09-17 | 1988-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-03-18 | 1991-09-17 | 1992-03-18 | $7700.00 | Window Closed / Lapsed |