US3385312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid regulator circuit
Assignee: Borg Warner Corp
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Filing: 1965-11-01
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Granted: 1968-05-28
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Expires: 1985-11-01
Abstract
No abstract record available.
Inventors
- 👤 George C Kinnamon
- 👤 Francis E Norlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:14
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/022; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/265; Y10T137/2663
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
242 words
A FLUID REGULATOR CIRCUIT FOR SUPPLYING FLUID FROM A FLUID SOURCE TO FIRST AND SECOND HYDRAULIC SYSTEMS WHEREIN SAID FIRST SYSTEM REQUIRES PRIORITY OVER SAID SECOND SYSTEM, WHICH CIRCUIT IS COMPRISED OF: FIRST AND SECOND PUMPING ELEMENTS IN FLUID COMMUNICATION WITH SAID FLUID SUPPLY SOURCE, SAID FIRST PUMPING ELEMENT CONNECTED BY FIRST CONDUIT MEANS TO SAID FIRST SYSTEM, SAID SECOND PUMPING ELEMENT CONNECTED TO SAID SECOND SYSTEM BY SECOND CONDUIT MEANS; THIRD CONDUIT MEANS INTERCONNECTING SAID FIRST AND SECOND CONDUIT MEANS; VALVE MEANS SITUATED IN SAID THIRD CONDUIT MEANS, SAID MEANS ADAPTED TO CHECK FLOW IN SAID FIRST CONDUIT FROM ENTERING SAID SECOND CONDUIT MEANS, SAID MEANS FURTHER ADAPTED TO PERMIT FLOW FROM SAID SECOND CONDUIT MEANS TO SAID FIRST CONDUIT MEANS WHEN THE PRESSURE WITHIN SAID FIRST CONDUIT MEANS IS LOWER THAN IN SAID SECOND CONDUIT MEANS; FIRST VALVE MEANS CONNECTED TO SAID FIRST AND SECOND CONDUIT MEANS, SAID VALVE MEANS ADAPTED TO DIRECT FLOW FROM SAID SECOND PUMPING ELEMENT TO SAID FIRST SYSTEM AND ADAPTED TO DIRECT FLOW TO SAID SECOND SYSTEM AFTER FLOW REQUIREMENTS OF SAID FIRST SYSTEM ARE SATISFIED, AND BY-PASS EXCESS FLOW FROM SAID FIRST AND SECOND PUMPING ELEMENTS TO SAID FLUID SOURCE; AND SOLENOID VALVE MEANS IN COMMUNICATION WITH SAID SECOND SYSTEMS, AND SAID FIRST VALVE MEANS, SAID SOLENOID VALVE MEANS BEING EFFECTIVE TO SUPPLY FLUID TO SAID SECOND SYSTEM WHEN REQUIRED BY SAID SECOND SYSTEM PROVIDING FLOW REQUIREMENTS OF SAID FIRST SYSTEM HAVE BEEN MET.
Claim 2
Dependent Claim
242 words
A FLUID REGULATOR CIRCUIT FOR SUPPLYING FLUID FROM A FLUID SOURCE TO FIRST AND SECOND HYDRAULIC SYSTEMS WHEREIN SAID FIRST SYSTEM REQUIRES PRIORITY OVER SAID SECOND SYSTEM, WHICH CIRCUIT IS COMPRISED OF: FIRST AND SECOND PUMPING ELEMENTS IN FLUID COMMUNICATION WITH SAID FLUID SUPPLY SOURCE, SAID FIRST PUMPING ELEMENT CONNECTED BY FIRST CONDUIT MEANS TO SAID FIRST SYSTEM, SAID SECOND PUMPING ELEMENT CONNECTED TO SAID SECOND SYSTEM BY SECOND CONDUIT MEANS; THIRD CONDUIT MEANS INTERCONNECTING SAID FIRST AND SECOND CONDUIT MEANS; VALVE MEANS SITUATED IN SAID THIRD CONDUIT MEANS, SAID MEANS ADAPTED TO CHECK FLOW IN SAID FIRST CONDUIT FROM ENTERING SAID SECOND CONDUIT MEANS, SAID MEANS FURTHER ADAPTED TO PERMIT FLOW FROM SAID SECOND CONDUIT MEANS TO SAID FIRST CONDUIT MEANS WHEN THE PRESSURE WITHIN SAID FIRST CONDUIT MEANS IS LOWER THAN IN SAID SECOND CONDUIT MEANS; FIRST VALVE MEANS CONNECTED TO SAID FIRST AND SECOND CONDUIT MEANS, SAID VALVE MEANS ADAPTED TO DIRECT FLOW FROM SAID SECOND PUMPING ELEMENT TO SAID FIRST SYSTEM AND ADAPTED TO DIRECT FLOW TO SAID SECOND SYSTEM AFTER FLOW REQUIREMENTS OF SAID FIRST SYSTEM ARE SATISFIED, AND BY-PASS EXCESS FLOW FROM SAID FIRST AND SECOND PUMPING ELEMENTS TO SAID FLUID SOURCE; AND SOLENOID VALVE MEANS IN COMMUNICATION WITH SAID SECOND SYSTEMS, AND SAID FIRST VALVE MEANS, SAID SOLENOID VALVE MEANS BEING EFFECTIVE TO SUPPLY FLUID TO SAID SECOND SYSTEM WHEN REQUIRED BY SAID SECOND SYSTEM PROVIDING FLOW REQUIREMENTS OF SAID FIRST SYSTEM HAVE BEEN MET.
References Cited (Backward Citations)
US3011308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |