IP Library › Granted Patent US 7,144,049
Granted Patent B2
US 7,144,049 · App. 10/838,282 · Granted Dec 5, 2006

Spherical flange assembly

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Quick Facts
Patent No.
US 7,144,049
App. No.
10/838,282
Granted
Dec 5, 2006
Kind
B2
Abstract

A spherical flange assembly is disclosed. The spherical flange assembly comprises a seat member, a heel member, a seal gland and at least one nut and bold assembly. The seat member includes a concave portion. The heel member includes a convex portion and a seal gland opening. The seal gland is disposed within the seal gland opening.

Claims (7)

1. A spherical flange assembly, comprising:

a seat member made from a high strength material and comprising a concave portion;

a heel member made from a high strength material and comprising a convex portion for mated association with the concave portion and a seal gland opening disposed along the convex portion;

a pressure assisted and axially preloaded seal disposed within the seal gland opening; and

at least one nut and bolt assembly for rigidly and removably attaching the seat member to the heel member,

wherein the spherical flange assembly is configured to permit a predetermined amount of angular misalignment between the seat member and the heel member without leakage across the seal,

wherein the spherical radius of the concave portion of the seat member and the spherical radius of the convex portion of the heel member comprise equal lengths.

Assignments (15)
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 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 18, 2016
From: THE BOEING COMPANY
To: RUBY ACQUISITION ENTERPRISES CO.
Reel/Frame 038745/0434 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 18, 2016
From: STANGELAND, MAYNARD L; URQUIDI, RONALD
To: THE BOEING COMPANY
Reel/Frame 038638/0721 →
CHANGE OF NAME Recorded May 18, 2016
From: RUBY ACQUISITION ENTERPRISES CO.
To: PRATT & WHITNEY ROCKETDYNE, INC.
Reel/Frame 038745/0409 →
CHANGE OF NAME Recorded May 18, 2016
From: PRATT & WHITNEY ROCKETDYNE, INC.
To: AEROJET ROCKETDYNE OF DE, INC.
Reel/Frame 038745/0429 →
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 →
CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE'S NAME ON ORIGINAL COVER SHEET PREVIOUSLY RECORDED ON REEL 017882 FRAME 0126. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNEE WAS INCORRECTLY RECORDED AS "UNITED TECHNOLOGIES CORPORATION". ASSIGNEE SHOULD BE "RUBY ACQUISITION ENTERPRISES CO.". Recorded Jun 12, 2013
From: THE BOEING COMPANY AND BOEING MANAGEMENT COMPANY
To: RUBY ACQUISITION ENTERPRISES CO.
Reel/Frame 030592/0954 →
CHANGE OF NAME Recorded Jun 12, 2013
From: RUBY ACQUISITION ENTERPRISES CO.
To: PRATT & WHITNEY ROCKETDYNE, INC.
Reel/Frame 030593/0055 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 2, 2007
From: UNITED TECHNOLOGIES CORPORATION
To: PRATT & WHITNEY ROCKETDYNE, INC.
Reel/Frame 019628/0750 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 16, 2006
From: BOEING C OMPANY AND BOEING MANAGEMENT COMPANY, THE
To: UNITED TECHNOLOGIES CORPORATION
Reel/Frame 017882/0126 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 27, 2006
From: BOEING COMPANY AND BOEING MANAGEMENT COMPANY, THE
To: UNITED TECHNOLOGIES CORPORATION
Reel/Frame 017681/0537 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 4, 2004
From: STANGELAND, MAYNARD L.; URQUIDI, RONALD
To: BOEING COMPANY, THE
Reel/Frame 015297/0964 →