US3224343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid power system and valve mechanism therefor
Assignee: Ohio Brass Co
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Filing: 1963-08-27
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Granted: 1965-12-21
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Expires: 1983-08-27
Abstract
No abstract record available.
Inventors
- 👤 Nevulis Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:06
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/021; E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/42; E02F9/00; E02F9/20; E02F9/22; F15B11/00; F15B11/02; F15B11/024; F15B21/00; F15B21/04; F15B21/047; F15B2211/00; F15B2211/30; F15B2211/305; F15B2211/30525; F15B2211/3056; F15B2211/30565; F15B2211/3058; F15B2211/315; F15B2211/3157; F15B2211/31576; F15B2211/32; F15B2211/321; F15B2211/324; F15B2211/80; F15B2211/88; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87169; Y10T137/87233; Y10T137/87241
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
193 words
IN A CONTROL VALVE FOR USE IN A PRESSURIZED FLUID POWER SYSTEM FOR CONTROLLING THE ACTUATION OF A FLUID POWERED MOTOR UNIT ADAPTED TO RAISE AND LOWER A LOAD COMPRISING, A BODY, A PLURALITY OF BIASED CHECK VALVE MECHANISMS MOUNTED IN SAID BODY, EACH OF SAID VALVE MECHANISMS COMPRISING A VALVE SEAT HAVING INNER AND OUTER ENDS AND A BIASED VALVE MEMBER ADAPTED FOR SEALING ENGAGEMENT WITH THE INNER END OF SAID VALVE SEAT, A PLURALITY OF FLUID PASSING PORTS IN SAID BODY, EACH OF SAID PORTS COMMUNICATING WITH A RESPECTIVE ONE OF SAID VALVE MECHANISMS AND COMMUNICATION SAID RESPECTIVE VALVE MECHANISM WITH THE EXTERIOR OF SAID BODY, EACH OF SAID PORTS BEING IN CONSTANT COMMUNICATION WITH THE OUTER END OF THE RESPECTIVE VALVE SEAT IN A DIRECTION AWAY FROM THE RESPECTIVE VALVE MEMBER, SO THAT PREDETERMINED FLUID PRESSURE AT THE RESPECTIVE OF SAID PORTS WILL BE OPERATIVE TO ACTUATE THE RESPECTIVE VALVE MEMBER IN A DIRECTION AWAY FROM THE INNER END OF ITS RESPECTIVE VALVE SEAT, AND PASSAGEWAY MEANS IN SAID BODY COMMUNICATING THE INNER ENDS OF THE VALVE SEATS OF AT LEAST A PAIR OF SAID VALVE MECHANISMS WITH ONE ANOTHER.
Claim 2
Dependent Claim
193 words
IN A CONTROL VALVE FOR USE IN A PRESSURIZED FLUID POWER SYSTEM FOR CONTROLLING THE ACTUATION OF A FLUID POWERED MOTOR UNIT ADAPTED TO RAISE AND LOWER A LOAD COMPRISING, A BODY, A PLURALITY OF BIASED CHECK VALVE MECHANISMS MOUNTED IN SAID BODY, EACH OF SAID VALVE MECHANISMS COMPRISING A VALVE SEAT HAVING INNER AND OUTER ENDS AND A BIASED VALVE MEMBER ADAPTED FOR SEALING ENGAGEMENT WITH THE INNER END OF SAID VALVE SEAT, A PLURALITY OF FLUID PASSING PORTS IN SAID BODY, EACH OF SAID PORTS COMMUNICATING WITH A RESPECTIVE ONE OF SAID VALVE MECHANISMS AND COMMUNICATION SAID RESPECTIVE VALVE MECHANISM WITH THE EXTERIOR OF SAID BODY, EACH OF SAID PORTS BEING IN CONSTANT COMMUNICATION WITH THE OUTER END OF THE RESPECTIVE VALVE SEAT IN A DIRECTION AWAY FROM THE RESPECTIVE VALVE MEMBER, SO THAT PREDETERMINED FLUID PRESSURE AT THE RESPECTIVE OF SAID PORTS WILL BE OPERATIVE TO ACTUATE THE RESPECTIVE VALVE MEMBER IN A DIRECTION AWAY FROM THE INNER END OF ITS RESPECTIVE VALVE SEAT, AND PASSAGEWAY MEANS IN SAID BODY COMMUNICATING THE INNER ENDS OF THE VALVE SEATS OF AT LEAST A PAIR OF SAID VALVE MECHANISMS WITH ONE ANOTHER.
References Cited (Backward Citations)
US863701A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |