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US3397537A Expired / Lapsed US ⏱️ 0.0 years remaining

Rocket injector head

Assignee: RTX Corp
•
Filing: 1966-09-14
•
Granted: 1968-08-20
•
Expires: 1986-09-14
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Charles W Green

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 14:15
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/44; F02K9/52

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 276 words
AN INJECTOR HEAD FOR INTRODUCING PROPELLANTS INTO A ROCKET COMBUSTION CHAMBER AND MIXING THEM THEREIN INCLUDING: (1) A MAIN BODY PORTION (10), SAID MAIN BODY PORTION BEING FORMED FROM AN INTEGRAL PIECE COMPRISING: (A) A MAIN ANNULAR MEMBER (18), (B) SAID MAIN ANNULAR MEMBER FORMING AN IN JECTOR FACE (24) ON ONE SIDE AND HAVING SHORT SPACING MEMBERS (30) EXTENDING FROM THE REAR THEREOF, (C) AN ANNULAR PROPELLANT GROOVE (38) AROUND SAID MAIN BODY PORTION, (D) PASSAGEWAYS (50) EXTENDING INWARDLY FROM SAID GROOVE (38), (E) FIRST ORIFICES (62) EXTENDING BETWEEN THE PASSAGEWAYS (50) AND FACE (24), (F) WEBS (54) FORMED BETWEEN EACH PASSAGEWAY (50), (G) SLOTS (56) EXTENDING ALONG EACH WEB BETWEEN THE REAR OF THE MAIN ANNULAR PORTION (18) AND A POINT ADJACENT THE FACE (24), (H) SECOND AND THIRD ORIFICES (58 AND 60) CONNECTING THE SLOTS TO THE FACE (24) OF THE ANNULAR PORTION (18), (2) A COOPERATING PLATE MEMBER (32) FOR PROVIDING A FLOW CHAMBER FOR ONE PROPELLANT, SAID COOPERATING PLATE MEMBER (32) HAVING: (A) AN OUTER CIRCULAR EDGE FIXED TO THE REAR OF SAID MAIN BODY PORTION AT ITS OUTER EDGE, (B) SAID COOPERATING PLATE MEMBER (32) ALSO BEING FIXED TO THE ENDS OF THE SPACING MEMBERS (30), (3) A COOPERATING MANIFOLD PORTION (14) FOR PROVIDING A PROPELLANT MANIFOLD FOR A SECOND PROPELLANT: (A) SAID COOPERATING MANIFOLD PORTION BEING FIXED TO THE OUTER EDGE OF THE BODY FORMING A MANIFOLD THEREWITH, (B) A PASSAGEWAY (40) CONNECTING SAID MANIFOLD WITH GROOVE (38), (4) AN ANNULAR FLAT MEANS FOR COOPERATING WITH SAID MAIN BODY PORTION FOR COVERING SAID ANNULAR PROPELLANT GROOVE (38) AROUND THE OUTER EDGE OF THE BODY TO FORM A CLOSED MANIFOLD.
Claim 2
Dependent Claim 276 words
AN INJECTOR HEAD FOR INTRODUCING PROPELLANTS INTO A ROCKET COMBUSTION CHAMBER AND MIXING THEM THEREIN INCLUDING: (1) A MAIN BODY PORTION (10), SAID MAIN BODY PORTION BEING FORMED FROM AN INTEGRAL PIECE COMPRISING: (A) A MAIN ANNULAR MEMBER (18), (B) SAID MAIN ANNULAR MEMBER FORMING AN IN JECTOR FACE (24) ON ONE SIDE AND HAVING SHORT SPACING MEMBERS (30) EXTENDING FROM THE REAR THEREOF, (C) AN ANNULAR PROPELLANT GROOVE (38) AROUND SAID MAIN BODY PORTION, (D) PASSAGEWAYS (50) EXTENDING INWARDLY FROM SAID GROOVE (38), (E) FIRST ORIFICES (62) EXTENDING BETWEEN THE PASSAGEWAYS (50) AND FACE (24), (F) WEBS (54) FORMED BETWEEN EACH PASSAGEWAY (50), (G) SLOTS (56) EXTENDING ALONG EACH WEB BETWEEN THE REAR OF THE MAIN ANNULAR PORTION (18) AND A POINT ADJACENT THE FACE (24), (H) SECOND AND THIRD ORIFICES (58 AND 60) CONNECTING THE SLOTS TO THE FACE (24) OF THE ANNULAR PORTION (18), (2) A COOPERATING PLATE MEMBER (32) FOR PROVIDING A FLOW CHAMBER FOR ONE PROPELLANT, SAID COOPERATING PLATE MEMBER (32) HAVING: (A) AN OUTER CIRCULAR EDGE FIXED TO THE REAR OF SAID MAIN BODY PORTION AT ITS OUTER EDGE, (B) SAID COOPERATING PLATE MEMBER (32) ALSO BEING FIXED TO THE ENDS OF THE SPACING MEMBERS (30), (3) A COOPERATING MANIFOLD PORTION (14) FOR PROVIDING A PROPELLANT MANIFOLD FOR A SECOND PROPELLANT: (A) SAID COOPERATING MANIFOLD PORTION BEING FIXED TO THE OUTER EDGE OF THE BODY FORMING A MANIFOLD THEREWITH, (B) A PASSAGEWAY (40) CONNECTING SAID MANIFOLD WITH GROOVE (38), (4) AN ANNULAR FLAT MEANS FOR COOPERATING WITH SAID MAIN BODY PORTION FOR COVERING SAID ANNULAR PROPELLANT GROOVE (38) AROUND THE OUTER EDGE OF THE BODY TO FORM A CLOSED MANIFOLD.

References Cited (Backward Citations)

US2982097A Cited
US3221499A Cited
US3200589A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-08-20 1972-02-19 1972-08-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-08-20 1976-02-19 1976-08-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-08-20 1980-02-19 1980-08-20 $7700.00 Window Closed / Lapsed

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