US3177663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse jet engine
Assignee: Individual
•
Filing: 1962-07-12
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Granted: 1965-04-13
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Expires: 1982-07-12
Abstract
No abstract record available.
Inventors
- 👤 Robert B Black
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:04
CPC Classifications
F; F23; F23C; F23C15/00; F02; F02K; F02K7/00; F02K7/02; F02K7/06; F23D; F23D11/00; F23D11/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A PULSE JET ENGINE HAVING A COMBUSTION CHAMBER AND AN ASPIRATION CHAMBER AND BREATHER CHAMBER COMMUNICATING THEREWITH A PLURALITY OF AIR INLET OPENINGS FORMED IN THE WALLS OF SAID ASPIRATION CHAMBER, A PLURALITY OF REED VALVES SUPPORTED TO COVER AND UNCOVER SAID OPENINGS, SAID REED VALVES BEING NORMALLY OPEN; MEANS TO INTRODUCE FUEL UNDER PRESSURE THROUGH SAID ASPIRATION CHAMBER THEREBY LOWERING THE INTERNAL PRESSURE IN SAID CHAMBER AND DRAWING COMBUSTION AIR THROUGH SAID OPENINGS, MEANS IN SAID COMBUSTION CHAMBER TO IGNITE THE FUEL-AIR MIXTURE THEREIN, AN OUTLET PORT IN SAID BREATHER CHAMBER, A PLURALITY OF EXHAUST OPENINGS IN THE WALLS OF SAID BREATHER CHAMBER, A PLURALITY OF REED VALVES SUPPORTED TO COVER AND UNCOVER SAID EXHAUST OPENINGS, SAID REED VALVES BEING NORMALLY OPEN, THE REED VALVES IN THE ASPIRATION CHAMBER AND THE BREATHER CHAMBER BEING CONSTRUCTED AND ARRANGED TO BE CLOSED BY PRESSURE OF THE EXPANDED GASES ON EXPLOSION OF THE FUEL-AIR MIXTURE IN THE COMBUSTION CHAMBER.
Claim 2
Dependent Claim
157 words
A PULSE JET ENGINE HAVING A COMBUSTION CHAMBER AND AN ASPIRATION CHAMBER AND BREATHER CHAMBER COMMUNICATING THEREWITH A PLURALITY OF AIR INLET OPENINGS FORMED IN THE WALLS OF SAID ASPIRATION CHAMBER, A PLURALITY OF REED VALVES SUPPORTED TO COVER AND UNCOVER SAID OPENINGS, SAID REED VALVES BEING NORMALLY OPEN; MEANS TO INTRODUCE FUEL UNDER PRESSURE THROUGH SAID ASPIRATION CHAMBER THEREBY LOWERING THE INTERNAL PRESSURE IN SAID CHAMBER AND DRAWING COMBUSTION AIR THROUGH SAID OPENINGS, MEANS IN SAID COMBUSTION CHAMBER TO IGNITE THE FUEL-AIR MIXTURE THEREIN, AN OUTLET PORT IN SAID BREATHER CHAMBER, A PLURALITY OF EXHAUST OPENINGS IN THE WALLS OF SAID BREATHER CHAMBER, A PLURALITY OF REED VALVES SUPPORTED TO COVER AND UNCOVER SAID EXHAUST OPENINGS, SAID REED VALVES BEING NORMALLY OPEN, THE REED VALVES IN THE ASPIRATION CHAMBER AND THE BREATHER CHAMBER BEING CONSTRUCTED AND ARRANGED TO BE CLOSED BY PRESSURE OF THE EXPANDED GASES ON EXPLOSION OF THE FUEL-AIR MIXTURE IN THE COMBUSTION CHAMBER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |