US3592415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft
Assignee: BAC AND BRITISH AEROSPACE
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Filing: 1969-05-13
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Granted: 1971-07-13
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Expires: 1989-05-13
Abstract
Abstract A low wing jet-engined aircraft having at least one aft-mounted engine on each side of the fuselage, and an air intake duct for each engine extending forward of the engine over the wing to an intake mouth positioned adjacent to, or forward of, the wingleading edge.
Inventors
- 👤 Gerald David Walley
- 👤 Thomas William Smith
- 👤 Geoffrey Stott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:37
CPC Classifications
B; B64; B64D; B64D33/00; B64D33/02; B64C; B64C1/00; B64D27/00; B64D27/02; B64D27/16; B64D27/20; B64C2001/0045; B64D2033/0266; B64D2033/0286; Y; Y02; Y02T; Y02T50/00; Y02T50/10; Y02T50/40
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
98 words
A jet-engined subsonic aircraft having a low wing and a fuselage wherein the main structure of said wing passes through the underside of said fuselage, said wing having a leading edge and a trailing edge, at least one engine attached to the exterior surface of each side of said fuselage, each of said engines having a front face adjacent to the trailing edge of said wing, and an air intake duct for each engine extending forwardly of said engine over the wing with the intake mouth of the duct positioned forwardly of the leading edge of said wing.
Claim 2
Dependent Claim
98 words
A jet-engined subsonic aircraft having a low wing and a fuselage wherein the main structure of said wing passes through the underside of said fuselage, said wing having a leading edge and a trailing edge, at least one engine attached to the exterior surface of each side of said fuselage, each of said engines having a front face adjacent to the trailing edge of said wing, and an air intake duct for each engine extending forwardly of said engine over the wing with the intake mouth of the duct positioned forwardly of the leading edge of said wing.
Claim 3
Dependent Claim
34 words
An aircraft according to claim 1, in which at least one engine on each side of the fuselage is housed partially within the fuselage contour and partially within a blister protruding from the fuselage.
Claim 4
Dependent Claim
24 words
An aircraft according to claim 2, in which, except immediately forward of the said engines, the intake ducts are external to the fuselage contour.
Claim 5
Dependent Claim
35 words
An aircraft according to claim 1, including within the fuselage a cabin, the engines lying substantially entirely aft of the cabin, and the majority of the cabin being free of constriction by the intake ducts.
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) | 1974-07-12 | 1975-01-11 | 1975-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-12 | 1979-01-11 | 1979-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-12 | 1983-01-11 | 1983-07-13 | $7700.00 | Window Closed / Lapsed |