US4222456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound-suppressing and back pressure-reducing apparatus and method
Assignee: Individual
•
Filing: 1977-04-25
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Granted: 1980-09-16
•
Expires: 1997-04-25
Abstract
Abstract This invention is directed to an apparatus and method for treating a flowing gas so as to decrease the back pressure of the flowing gas and the noise of the flowing gas.
Inventors
- 👤 Witold A. Kasper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:22
CPC Classifications
F; F01; F01N; F01N1/00; F01N1/06; F01N1/08; F01N1/12; F01N1/125; F02; F02B; F02B1/00; F02B1/02; F02B1/04
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
73 words
A method for controlling the flow of a flowing gas, said method comprising: a. dividing said flowing gas into a first stream of gas and into a second stream of gas; b. accelerating the first stream of gas to flow faster than said flowing gas; c. decelerating the second stream of gas to flow slower than said flowing gas; and, d. said first stream of gas flowing inside said second stream of gas.
Claim 2
Independent Claim
73 words
A method for controlling the flow of a flowing gas, said method comprising: a. dividing said flowing gas into a first stream of gas and into a second stream of gas; b. accelerating the first stream of gas to flow faster than said flowing gas; c. decelerating the second stream of gas to flow slower than said flowing gas; and, d. said first stream of gas flowing inside said second stream of gas.
Claim 3
Independent Claim
102 words
A method for controlling the flow of a flowing gas, said method comprising: a. dividing said flowing gas into a first stream of gas and into a second stream of gas; b. accelerating the first stream of gas to flow faster than said flowing gas; c. decelerating the second stream of gas to flow slower than said flowing gas; d. expanding said second stream of gas; e. imparting a rotating motion to said second stream of gas; f. said first stream of gas flowing inside said second stream of gas; and, g. imparting an axial flow to said first stream of gas.
Claim 4
Independent Claim
102 words
A method for controlling the flow of a flowing gas, said method comprising: a. dividing said flowing gas into a first stream of gas and into a second stream of gas; b. accelerating the first stream of gas to flow faster than said flowing gas; c. decelerating the second stream of gas to flow slower than said flowing gas; d. expanding said second stream of gas; e. imparting a rotating motion to said second stream of gas; f. said first stream of gas flowing inside said second stream of gas; and, g. imparting an axial flow to said first stream of gas.
Claim 5
Dependent Claim
47 words
A method according to claim 2 and comprising: a. the rotational flow of said second stream of gas and the axial flow of said first stream of gas inside said second stream of gas creating a vortex and a negative pressure with respect to said flowing gas.
References Cited (Backward Citations)
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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) | 1983-09-16 | 1984-03-17 | 1984-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-09-16 | 1988-03-17 | 1988-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-09-16 | 1992-03-17 | 1992-09-16 | $7700.00 | Window Closed / Lapsed |