US3422834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plunger type additive injection device
Assignee: METROPOLITAN PETROLEUM PETRO C
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Filing: 1966-09-28
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Granted: 1969-01-21
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Expires: 1986-09-28
Abstract
No abstract record available.
Inventors
- 👤 Romano Garabello
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:09
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/008; B; B01; B01F; B01F25/00; B01F25/30; B01F25/31; B01F25/313; B01F25/3131; B01F35/00; B01F35/80; B01F35/83; B01F35/831; B01F35/30; B01F35/32; B01F35/32005; B01F35/32015; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2516; Y10T137/2559; Y10T137/2564; Y10T137/2572
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
203 words
A DIVICE FOR INJECTING AN ADDITIVE FLUID INTO A STREAM OF MAIN FLUID FLOWING IN A CONDUIT, COMPRISING A STATOR HAVING A GENERALLY CYLINDRICAL BODY, MEANS FOR SUPPORTING SAID STATOR IN A STATIONARY POSITION INSIDE AND AXIALLY OF SAID CONDUIT SO THAT SAID STREAM OF MAIN FLUID PASSES BY AND AROUND SAID BODY, SAID BODY HAVING AN AXIAL FIRST BORE, A SHAFT ROTATABLY SUPPORTED IN SAID BORE IN SAID BODY AND EXTENDING AXIALLY THERETHROUGH, MEANS PREVENTING AXIAL MOVEMENT OF THE SHAFT, A ROTOR HAVING MULTIPLE RADIALLY EXTENDING VANES PITCHED AT AN ANGLE TO THE AXIS OF SAID BODY, SAID ROTOR BEING ROTATABLY SUPPORTED AT AND BY ONE END OF SAID SHAFT OUTSIDE BODY SO THAT THE MAIN FLUID FLOWING IN SAID CONDUIT TURNS THE ROTOR, PUMPING MEANS IN SAID BODY, SAID BODY HAVING A PASSAGE PROVIDING AN INLET FOR SAID ADDITIVE FLUID COMMUNICATING WITH SAID PUMPING MEANS, SAID BODY HAVING AN OUTLET PORT COMMUNICATING WITH SAID PUMPING MEANS FOR PASSING SAID ADDITIVE FLUID OUT OF SAID BODY INTO SAID STREAM OF MAIN FLUID, AND MECHANICAL MEANS OPERATIVELY ENGAGING SAID SHAFT AND PUMPING MEANS SO THAT SAID ADDITIVE FLUID IS DISCHARGED FROM SAID BODY INTO SAID STREAM OF MAIN FLUID WHEN THE SHAFT ROTATES.
Claim 2
Dependent Claim
203 words
A DIVICE FOR INJECTING AN ADDITIVE FLUID INTO A STREAM OF MAIN FLUID FLOWING IN A CONDUIT, COMPRISING A STATOR HAVING A GENERALLY CYLINDRICAL BODY, MEANS FOR SUPPORTING SAID STATOR IN A STATIONARY POSITION INSIDE AND AXIALLY OF SAID CONDUIT SO THAT SAID STREAM OF MAIN FLUID PASSES BY AND AROUND SAID BODY, SAID BODY HAVING AN AXIAL FIRST BORE, A SHAFT ROTATABLY SUPPORTED IN SAID BORE IN SAID BODY AND EXTENDING AXIALLY THERETHROUGH, MEANS PREVENTING AXIAL MOVEMENT OF THE SHAFT, A ROTOR HAVING MULTIPLE RADIALLY EXTENDING VANES PITCHED AT AN ANGLE TO THE AXIS OF SAID BODY, SAID ROTOR BEING ROTATABLY SUPPORTED AT AND BY ONE END OF SAID SHAFT OUTSIDE BODY SO THAT THE MAIN FLUID FLOWING IN SAID CONDUIT TURNS THE ROTOR, PUMPING MEANS IN SAID BODY, SAID BODY HAVING A PASSAGE PROVIDING AN INLET FOR SAID ADDITIVE FLUID COMMUNICATING WITH SAID PUMPING MEANS, SAID BODY HAVING AN OUTLET PORT COMMUNICATING WITH SAID PUMPING MEANS FOR PASSING SAID ADDITIVE FLUID OUT OF SAID BODY INTO SAID STREAM OF MAIN FLUID, AND MECHANICAL MEANS OPERATIVELY ENGAGING SAID SHAFT AND PUMPING MEANS SO THAT SAID ADDITIVE FLUID IS DISCHARGED FROM SAID BODY INTO SAID STREAM OF MAIN FLUID WHEN THE SHAFT ROTATES.
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) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |