IP Library Granted Patent US 8,814,562
Granted Patent B2
US 8,814,562 · App. 12/131,840 · Granted Aug 26, 2014

Igniter/thruster with catalytic decomposition chamber

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Quick Facts
Patent No.
US 8,814,562
App. No.
12/131,840
Granted
Aug 26, 2014
Kind
B2
Abstract

An ignition system and method of igniting the ignition system includes a main catalyst section in a staged relationship with a pilot-catalyst section to stage a decomposition though the pilot-catalyst section which preheats the main catalyst section.

Claims (9)

1. An ignition system comprising:

a pilot-catalyst section along a longitudinal axis;

a pilot inlet in communication with said pilot-catalyst section to receive a propellant;

a main catalyst section in a staged relationship with said pilot-catalyst section along said longitudinal axis;

a main inlet in communication with said main catalyst section to receive the propellant;

wherein said pilot-catalyst section includes a pilot catalyst bed;

wherein a pilot outlet is downstream of said pilot catalyst bed relative to said longitudinal axis, said main catalyst section in communication with said pilot outlet;

wherein said pilot-catalyst section includes a pilot regenerative cooling jacket, said pilot catalyst bed in communication with said pilot inlet via said pilot regenerative cooling jacket; and

wherein the main catalyst section includes a main catalyst bed, and wherein the main catalyst section includes a main regenerative cooling jacket, said main catalyst bed in communication with said main inlet via said main regenerative cooling jacket, and wherein said main catalyst bed is in communication with said pilot outlet.

Assignments (7)
TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS Recorded Jul 28, 2023
From: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT (AS SUCCESSOR AGENT TO WELLS FARGO BANK, NATIONAL ASSOCIATION (AS SUCCESSOR-IN-INTEREST TO WACHOVIA BANK, N.A.), AS ADMINISTRATIVE AGENT
To: AEROJET ROCKETDYNE OF DE, INC. (F/K/A PRATT & WHITNEY ROCKETDYNE, INC.)
Reel/Frame 064424/0050 →
RELEASE OF SECURITY INTEREST Recorded Aug 5, 2016
From: U.S. BANK NATIONAL ASSOCIATION
To: AEROJET ROCKETDYNE OF DE, INC. (F/K/A PRATT & WHITNEY ROCKETDYNE, INC.)
Reel/Frame 039597/0890 →
NOTICE OF SUCCESSION OF AGENCY (INTELLECTUAL PROPERTY) Recorded Jun 20, 2016
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS THE RESIGNING AGENT
To: BANK OF AMERICA, N.A., AS THE SUCCESSOR AGENT
Reel/Frame 039079/0857 →
CHANGE OF NAME Recorded Jul 30, 2013
From: PRATT & WHITNEY ROCKETDYNE, INC.
To: AEROJET ROCKETDYNE OF DE, INC.
Reel/Frame 030902/0313 →
SECURITY AGREEMENT Recorded Jun 21, 2013
From: PRATT & WHITNEY ROCKETDYNE, INC.
To: U.S. BANK NATIONAL ASSOCIATION
Reel/Frame 030656/0615 →
SECURITY AGREEMENT Recorded Jun 17, 2013
From: PRATT & WHITNEY ROCKETDYNE, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 030628/0408 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 2, 2008
From: JENSEN, JEFF; CLAFLIN, SCOTT
To: PRATT & WHITNEY ROCKETDYNE, INC.
Reel/Frame 021030/0791 →