US3638916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for blending materials
Assignee: Phillips Petroleum Co
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Filing: 1970-09-01
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Granted: 1972-02-01
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Expires: 1990-09-01
Abstract
Abstract A blender continuously receives a plurality of components from material hoppers, continuously blends the components together at a preselected ratio, and discharges the blended material to a blended-material feeder which continuously discharges the blended material at a controlled rate to associated apparatus. The blended-material feeder is regulated to continuously discharge the blended material at a rate substantially equal to the summation of the rates of the material components entering the hopper.
Inventors
- 👤 Juan S Ursic
- 👤 Cloral O Rains
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:00
CPC Classifications
B; B01; B01F; B01F35/00; B01F35/80; B01F35/83; B01F35/832; B29; B29B; B29B7/00; B29B7/30; B29B7/58; B29B7/60; B29B7/603; B01F35/20; B01F35/21; B01F35/211; B01F35/2111; B29B7/80; B29B7/88; B01F23/00; B01F23/60
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
79 words
An apparatus, as set forth in claim 1, wherein the controlling means comprises a silicon-controlled rectifier connected to each power means of each feeding means and connected to the weight sensor of its respective feeding means and the regulating means comprises a silicon-controlled rectifier connected to the power means of the blended material feeder and the power means of one of the feeding means for regulating the speed of the blender relative to the speed of the feeding means.
Claim 2
Dependent Claim
24 words
An apparatus, as set forth in claim 1, wherein the feeders of the individual components are volumetric-gravimetric type feeders having a variable-speed power source.
Claim 3
Dependent Claim
23 words
An apparatus, as set forth in claim 1, wherein the continuous blended material feeder is a volumetric-type feeder having a variable-speed power source.
Claim 4
Dependent Claim
125 words
In a method for mixing at least two finely divided material components together at a predetermined ratio and delivering the resultant mixed materials for further processing, the improvement comprising: continuously bringing the material components together in a hopper while controlling the rate of delivery of each component to the hopper for maintaining a resultant material having a preselected component ratio; continuously passing the material from the hopper into a blender; blending the material mix to form a resultant blended material that is substantially completely homogenized; passing the blended material from the blendEr into a blended material feeder; and continuously dispensing the blended material from the blended-material feeder at a rate substantially equal to the summation of the rates of the material components entering the hopper.
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) | 1975-01-31 | 1975-08-02 | 1976-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-31 | 1979-08-02 | 1980-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-31 | 1983-08-02 | 1984-02-01 | $7700.00 | Window Closed / Lapsed |