US3680582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick exhaust valve
Assignee: PAULIUKONIS GRAZINA I
•
Filing: 1970-02-16
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Granted: 1972-08-01
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Expires: 1990-02-16
Abstract
Abstract A valve for transmitting pressurized fluid from a fluid supply to receiver means, such as an actuating power cylinder, and for exhausting the transmitted fluid when the pressure of the fluid supply drops, comprises a check valve carrying an elastomer seal, the seal being moved in a direction to cover exhaust port means and to admit fluid through the valve during fluid infeed, and to be returned by the back pressure to cover the infeed means when the pressure of the fluid supply drops permitting cylinder exhaust. An O-ring positioned interiorly of the valve body is employed to act as a check valve seal.
Inventors
- 👤 Richard S Pauliukonis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:51
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/14; F16K15/141; F16K15/142; F16K11/00; F16K11/02; F16K11/022; F16K11/025; Y; Y10; Y10S; Y10S251/00; Y10S251/90; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
184 words
A valve for transmitting pressurized fluid from supply to receiver means such as an actuating power cylinder, and for exhausting the transmitted fluid when the pressure of the fluid supply drops, comprising a valve housing having an infeed end and a receiver end, an annular chamber within said housing, said annular chamber having opposed first and second ends associated respectively with sAid infeed end and said receiver end, an elastomeric sealing ring slidable within said housing back and forth between first and second positions in which the ring is seated at the first and second ends of the annular chamber, feed passage means connecting said infeed end with first port means formed at said first end of the annular chamber, exhaust passage means connecting said receiver end with second port means formed at said second end of the annular chamber, vent passage means connecting a vent outlet with third port means also formed at said second end of the annular chamber, and intake passage means connecting said receiver end with fourth port means formed intermediate said first and second ends of the annular chamber.
Claim 2
Dependent Claim
184 words
A valve for transmitting pressurized fluid from supply to receiver means such as an actuating power cylinder, and for exhausting the transmitted fluid when the pressure of the fluid supply drops, comprising a valve housing having an infeed end and a receiver end, an annular chamber within said housing, said annular chamber having opposed first and second ends associated respectively with sAid infeed end and said receiver end, an elastomeric sealing ring slidable within said housing back and forth between first and second positions in which the ring is seated at the first and second ends of the annular chamber, feed passage means connecting said infeed end with first port means formed at said first end of the annular chamber, exhaust passage means connecting said receiver end with second port means formed at said second end of the annular chamber, vent passage means connecting a vent outlet with third port means also formed at said second end of the annular chamber, and intake passage means connecting said receiver end with fourth port means formed intermediate said first and second ends of the annular chamber.
Claim 3
Dependent Claim
35 words
Device as in claim 1 in which the valve housing comprises endwardly engaged male and female fittings, and the first and second ends of the annular chamber are formed in opposed bores in the fittings.
Claim 4
Dependent Claim
36 words
Device as in claim 1 in which the valve housing comprises endwardly engaged male and female fittings, and the third and fourth port means are each formed by gaps between axially facing parts of said fittings.
Claim 5
Dependent Claim
43 words
Device as in claim 1 in which the valve housing comprises endwardly engaged male and female fittings, and the feed passage means and the exhaust passage means comprise passages drilled in one or the other of said fittings parallel to the axis thereof.
Claim 6
Dependent Claim
222 words
A valve for transmitting pressurized fluid from supply to receiver means such as an actuating power cylinder, and for exhausting the transmitted fluid when the pressure of the fluid supply drops, comprising a valve housing having an infeed end and a receiver end, and including two endwardly engaged fittings, an annular chamber within said housing, said annular chamber having opposed first and second ends associated respectively with said infeed end and said receiver end, an elastomeric sealing ring slidable within said housing back and forth between first and second positions in which the ring is seated at the first and second ends of the annular chamber, central coaxial stubs formed in each of said fittings and together defining a central core of said annular chamber which central core receives the inside diameter of said sealing ring, a gap between the ends of the stubs forming a port to said annular chamber intermediate the ends thereof, intake passage means within one of said stubs and connecting said gap with said receiver end of the valve housing, and additional passage and port means for connecting said first end of the annular chamber to said infeed end of the valve housing and for separately connecting said second end of the annular chamber respectively to a vent and to said receiver end of the valve housing.
Claim 7
Dependent Claim
222 words
A valve for transmitting pressurized fluid from supply to receiver means such as an actuating power cylinder, and for exhausting the transmitted fluid when the pressure of the fluid supply drops, comprising a valve housing having an infeed end and a receiver end, and including two endwardly engaged fittings, an annular chamber within said housing, said annular chamber having opposed first and second ends associated respectively with said infeed end and said receiver end, an elastomeric sealing ring slidable within said housing back and forth between first and second positions in which the ring is seated at the first and second ends of the annular chamber, central coaxial stubs formed in each of said fittings and together defining a central core of said annular chamber which central core receives the inside diameter of said sealing ring, a gap between the ends of the stubs forming a port to said annular chamber intermediate the ends thereof, intake passage means within one of said stubs and connecting said gap with said receiver end of the valve housing, and additional passage and port means for connecting said first end of the annular chamber to said infeed end of the valve housing and for separately connecting said second end of the annular chamber respectively to a vent and to said receiver end of the valve housing.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-01 | 1976-01-31 | 1976-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-01 | 1980-01-31 | 1980-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-01 | 1984-01-31 | 1984-08-01 | $7700.00 | Window Closed / Lapsed |