US3087471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Proportional positioning using hydraulic jet
Assignee: General Controls Co
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Filing: 1960-10-31
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Granted: 1963-04-30
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Expires: 1980-10-31
Abstract
No abstract record available.
Inventors
- 👤 William A Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:32
CPC Classifications
F; F15; F15B; F15B9/00; F15B9/02; F15B9/03; Y; Y10; Y10S; Y10S60/00; Y10S60/907; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A CONTROL SYSTEM COMPRISING A FLUID PRESSURE SOURCE, MEANS BLEEDING SAID SOURCE TO CONTROL THE PRESSURE OF SAID SOURCE, SAID MEANS COMPRISING CONDUIT MEANS HAVING ONE END THEREOF IN COMMUNICATION WITH SAID SOURCE, A PAIR OF VALVE MEANS SPACED IN SAID CONDUIT MEANS THROUGH WHICH FLUID FROM SAID SOURCE FLOWS THROUGH SAID FIRST AND SECOND VALVE MEANS IN THAT ORDER, SAID CONDUIT MEANS COMPRISING A PRESSURE OPERATED DIAPHRAGM BEING INTERPOSED BETWEEN SAID FIRST AND SECOND VALVE MEANS, MEANS CONNECTED BETWEEN SAID DIAPHRAGM AND SAID FIRST VALVE MEANS FOR CONTROLLING THE SAME IN ACCORDANCE WITH THE PRESSURE ON SAID DIAPHRAGM, AND MEANS CONTROLLING SAID SECOND VALVE MEANS FOR CONTROLLING THE PRESSURE ON SAID DIAPHRAGM.
Claim 2
Dependent Claim
113 words
A CONTROL SYSTEM COMPRISING A FLUID PRESSURE SOURCE, MEANS BLEEDING SAID SOURCE TO CONTROL THE PRESSURE OF SAID SOURCE, SAID MEANS COMPRISING CONDUIT MEANS HAVING ONE END THEREOF IN COMMUNICATION WITH SAID SOURCE, A PAIR OF VALVE MEANS SPACED IN SAID CONDUIT MEANS THROUGH WHICH FLUID FROM SAID SOURCE FLOWS THROUGH SAID FIRST AND SECOND VALVE MEANS IN THAT ORDER, SAID CONDUIT MEANS COMPRISING A PRESSURE OPERATED DIAPHRAGM BEING INTERPOSED BETWEEN SAID FIRST AND SECOND VALVE MEANS, MEANS CONNECTED BETWEEN SAID DIAPHRAGM AND SAID FIRST VALVE MEANS FOR CONTROLLING THE SAME IN ACCORDANCE WITH THE PRESSURE ON SAID DIAPHRAGM, AND MEANS CONTROLLING SAID SECOND VALVE MEANS FOR CONTROLLING THE PRESSURE ON SAID DIAPHRAGM.
References Cited (Backward Citations)
US2601867A
Cited
US2775253A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |