US3251374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for continuously removing air from a fluid passing through a closed conduit system
Assignee: Smith Oil Agitator Co
•
Filing: 1963-10-29
•
Granted: 1966-05-17
•
Expires: 1983-10-29
Abstract
No abstract record available.
Inventors
- 👤 Onis O Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:54
CPC Classifications
F; F16; F16K; F16K24/00; F16K24/04; F16K24/042; F16K24/048; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3009; Y10T137/3012; Y10T137/7287; Y10T137/7358; Y10T137/7365; Y10T137/742; Y10T137/7439
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
258 words
A DEVICE FOR CONTINUOUSLY REMOVING AIR FROM A FLUID MIXTURE OF AIR AND LIQUID, AS THE FLUID MIXTURE PASSES THROUGH A CONDUIT, WHICH DEVICE COMPRISES; (A) AN UPRIGHT, ELONGATED FLOAT HOUSING, (1) AND UPRIGHT, ELONGATED FLOAT HOUSING A FLUID MIXTURE INLET FORMED THEREIN, (B) AN UPRIGHT, ELONGATED VALVE MECHANISM HOUSING (1) SAID UPRIGHT, ELONGATED VALVE MECHANISM HOUSING HAVING A LIQUID OUTLET OPENING FORMED IN THE BOTTOM THEREOF, (2) SAID UPRIGHT, ELONGATED VALVE MECHANISM HOUSING HAVING AN AIR OUTLET FORMED IN THE UPPER END THEREOF, (C) SPACED APART, HORIZONTAL CONDUITS INTERCONNECTING SAID UPRIGHT, ELONGATED FLOAT HOUSING AND SAID UPRIGHT, ELONGATED VALVE MECHANISM HOUSING, (D) AN ELONGATED FLOAT MOUNTED IN SAID UPRIGHT, ELONGATED FLOAT HOUSING FOR MOVEMENT AXIALLY THEREIN (E) A PAIR OF VALVES OPERATIVELY MOUNTED IN SAID UPRIGHT, ELONGATED VALVE MECHANISM HOUSING AND BEING IN AXIALLY ALIGNED, GUIDED RELATION WITH THE LIQUID OUTLET OPENING AND WITH THE AIR OUTLET OPENING, RESPECTIVELY, (F) A LEVER PIVOTED IN ONE OF SAID HOUSINGS AND EXTENDING THROUGH ONE OF SAID HORIZONTAL CONDUITS INTO THE OTHER OF SAID HOUSINGS, AND BEING OPERATIVELY ASSOCIATED WITH SAID FLOAT AND BEING OPERATIVELY ASSOCIATED WITH SAID PAIR OF VALVES, SO MOVEMENT OF SAID LEVER IN ONE DIRECTION WILL MOVE ONE OF SAID VALVES TO CLOSE SAID LIQUID OUTLET OPENING AND WILL MOVE THE OTHER OF SAID VALVES TO OPEN SAID AIR OUTLET OPENING, AND MOVEMENT OF SAID LEVER IN THE OPPOSITE DIRECTION WILL MOVE ONE OF SAID VALVES TO OPEN SAID LIQUID OUTLET OPENING AND WILL MOVE THE OTHER OF SAID VALVES TO CLOSE SAID AIR OUTLET OPENING.
Claim 2
Independent Claim
258 words
A DEVICE FOR CONTINUOUSLY REMOVING AIR FROM A FLUID MIXTURE OF AIR AND LIQUID, AS THE FLUID MIXTURE PASSES THROUGH A CONDUIT, WHICH DEVICE COMPRISES; (A) AN UPRIGHT, ELONGATED FLOAT HOUSING, (1) AND UPRIGHT, ELONGATED FLOAT HOUSING A FLUID MIXTURE INLET FORMED THEREIN, (B) AN UPRIGHT, ELONGATED VALVE MECHANISM HOUSING (1) SAID UPRIGHT, ELONGATED VALVE MECHANISM HOUSING HAVING A LIQUID OUTLET OPENING FORMED IN THE BOTTOM THEREOF, (2) SAID UPRIGHT, ELONGATED VALVE MECHANISM HOUSING HAVING AN AIR OUTLET FORMED IN THE UPPER END THEREOF, (C) SPACED APART, HORIZONTAL CONDUITS INTERCONNECTING SAID UPRIGHT, ELONGATED FLOAT HOUSING AND SAID UPRIGHT, ELONGATED VALVE MECHANISM HOUSING, (D) AN ELONGATED FLOAT MOUNTED IN SAID UPRIGHT, ELONGATED FLOAT HOUSING FOR MOVEMENT AXIALLY THEREIN (E) A PAIR OF VALVES OPERATIVELY MOUNTED IN SAID UPRIGHT, ELONGATED VALVE MECHANISM HOUSING AND BEING IN AXIALLY ALIGNED, GUIDED RELATION WITH THE LIQUID OUTLET OPENING AND WITH THE AIR OUTLET OPENING, RESPECTIVELY, (F) A LEVER PIVOTED IN ONE OF SAID HOUSINGS AND EXTENDING THROUGH ONE OF SAID HORIZONTAL CONDUITS INTO THE OTHER OF SAID HOUSINGS, AND BEING OPERATIVELY ASSOCIATED WITH SAID FLOAT AND BEING OPERATIVELY ASSOCIATED WITH SAID PAIR OF VALVES, SO MOVEMENT OF SAID LEVER IN ONE DIRECTION WILL MOVE ONE OF SAID VALVES TO CLOSE SAID LIQUID OUTLET OPENING AND WILL MOVE THE OTHER OF SAID VALVES TO OPEN SAID AIR OUTLET OPENING, AND MOVEMENT OF SAID LEVER IN THE OPPOSITE DIRECTION WILL MOVE ONE OF SAID VALVES TO OPEN SAID LIQUID OUTLET OPENING AND WILL MOVE THE OTHER OF SAID VALVES TO CLOSE SAID AIR OUTLET OPENING.
References Cited (Backward Citations)
US354078A
Cited
US428399A
Cited
US1619431A
Cited
US1897398A
Cited
US2224345A
Cited
US2198291A
Cited
US2346890A
Cited
US2540361A
Cited
US2638111A
Cited
US2742049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |