EP0228781A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Missile expulsion motor
Assignee: BAE Systems PLC
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Filing: 1986-10-24
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Granted: —
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Expires: 2006-10-24
Abstract
Abstract An annular explusion motor (14) is secured around the main nozzle casing (12) of a missile by means of shear bolts (28). The expulsion motor expels and spins up the missile prior to ignition of the missile main motor whereupon the expulsion motor is jettisoned from the missile by the efflux of the main motor.
Inventors
- 👤 Alfred Edward British Aerospace P.L.C. Dransfield
- 👤 George H.A. British Aerospace P.L.C. Fenton
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-30 12:32
CPC Classifications
F; F42; F42B; F42B10/00; F42B10/02; F42B10/26; F42B10/28; F42B10/30; F02; F02K; F02K9/00; F02K9/08; F02K9/30; F02K9/74; F02K9/76; F42B15/00; F42B15/36
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
106 words
A missile including a main body (10), propulsion means (11) contained within said body and adapted to exhaust a flow of propulsive efflux rearwardly, an expulsion motor (14) of generally annular cross-section surrounding at least part of the rearward body portion of the missile and including a propellant charge (25) and expulsion motor outlet means (18) for exhausting efflux generated by said charge, said expulsion motor being releasably attached to said missile by means (28) which allows transmission of propulsive thrust from the expulsion motor to the missile but which on actuation of said propulsion means allows separation of said expulsion motor from said missile body.
Claim 2
Dependent Claim
106 words
A missile including a main body (10), propulsion means (11) contained within said body and adapted to exhaust a flow of propulsive efflux rearwardly, an expulsion motor (14) of generally annular cross-section surrounding at least part of the rearward body portion of the missile and including a propellant charge (25) and expulsion motor outlet means (18) for exhausting efflux generated by said charge, said expulsion motor being releasably attached to said missile by means (28) which allows transmission of propulsive thrust from the expulsion motor to the missile but which on actuation of said propulsion means allows separation of said expulsion motor from said missile body.
Claim 3
Dependent Claim
42 words
A missile as claimed in claim 1 wherein said expulsion motor outlet means (18) is adapted to cause fluid exhausting therefrom to have a tangential component of thrust thereby to impart to said missile a spin torque together with a forward thrust.
Claim 4
Dependent Claim
43 words
A missile as claimed in claim 1 wherein said expulsion motor includes obturator means (19')disposed adjacent the rear end portion of said missile arranged such that said propulsive efflux impinges thereon and imparts sufficient rearward thrust on the expulsion motor to cause separation.
Claim 5
Dependent Claim
32 words
A missile as claimed in claim 4, wherein the propulsion means (11) is adapted to exhaust fluid rearwardly through the rearward portion of said missile and said obturator means (19') projects inwardly.
Claim 6
Dependent Claim
25 words
A missile as claimed in claim 1, wherein said expulsion motor (14) is releasably attached to said missile by means of frangible connection means (28).
Claim 7
Dependent Claim
28 words
A missile as claimed in claim 1, wherein said expulsion motor includes a castellated collar portion (23) adapted to engage a complementary castellated portion (24) on said missile.
Claim 8
Dependent Claim
42 words
A missile as claimed in claim 3, wherein said obturator means (19) is selected having regard to the propulsive efflux such that on actuation of said propulsion means said expulsion motor (14) separates from the missile body with substantially reduced forward velocity.
Claim 9
Dependent Claim
48 words
An expulsion motor (14) for a missile, comprising a housing (15) of generally annular cross-section, a propellant charge (25) contained within said housing, expulsion motor outlet means (18) for exhausting efflux generated by said charge, and means (28, 23) for releasably attaching said expulsion motor to a missile.
Claim 10
Dependent Claim
48 words
An expulsion motor (14) for a missile, comprising a housing (15) of generally annular cross-section, a propellant charge (25) contained within said housing, expulsion motor outlet means (18) for exhausting efflux generated by said charge, and means (28, 23) for releasably attaching said expulsion motor to a missile.
References Cited (Backward Citations)
No citation records indexed.
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