US3103814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for producing an auxiliary fluid flow which is proportional to a main fluid flow
Assignee: Stamicarbon BV
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Filing: 1961-02-27
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Granted: 1963-09-17
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Expires: 1981-02-27
Abstract
No abstract record available.
Inventors
- 👤 Johannes P C M Va Broeckhuysen
- 👤 Johannes J H Buys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:19
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A METHOD OF OBTAINING AN AUXILIARY FLUID FLOW WHICH IS PROPORTIONAL TO A MAIN FLUID FLOW EVEN DURING STRONG PULSATIONS IN THE LATTER UTILIZING A PRESSURE RELAY, COMPRISING THE STEPS OF PASSING THE MAIN FLUID FLOW THROUGH AN APERTURED ORIFICE PLATE, PASSING AT LEAST A MINIMUM QUANTITY OF AUXILIARY FLUID FLOW INTO A CHAMBER COMMUNICATING WITH A CONTROL DEVICE THAT COMMUNICATES WITH THE MAIN FLUID FLOW PASSED THROUGH SAID ORIFICE PLATE, SAID CONTROL DEVICE CONTROLLING SAID AUXILIARY FLUID FLOW SO AS TO MAINTAIN SAID AUXILIARY FLOW PROPORTIONAL TO SAID MAIN FLOW, SAID MINIMUM QUANTITY OF AUXILIARY FLUID FLOW PASSED INTO SAID CHAMBER BEING EXPRESSED BY THE EQUATION:
Claim 2
Independent Claim
107 words
A METHOD OF OBTAINING AN AUXILIARY FLUID FLOW WHICH IS PROPORTIONAL TO A MAIN FLUID FLOW EVEN DURING STRONG PULSATIONS IN THE LATTER UTILIZING A PRESSURE RELAY, COMPRISING THE STEPS OF PASSING THE MAIN FLUID FLOW THROUGH AN APERTURED ORIFICE PLATE, PASSING AT LEAST A MINIMUM QUANTITY OF AUXILIARY FLUID FLOW INTO A CHAMBER COMMUNICATING WITH A CONTROL DEVICE THAT COMMUNICATES WITH THE MAIN FLUID FLOW PASSED THROUGH SAID ORIFICE PLATE, SAID CONTROL DEVICE CONTROLLING SAID AUXILIARY FLUID FLOW SO AS TO MAINTAIN SAID AUXILIARY FLOW PROPORTIONAL TO SAID MAIN FLOW, SAID MINIMUM QUANTITY OF AUXILIARY FLUID FLOW PASSED INTO SAID CHAMBER BEING EXPRESSED BY THE EQUATION:
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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |