Pressure isolation system for flexible pipe joints

Details Pressure isolation system for flexible pipe joints Pressure isolation system for flexible pipe joints

2008-08-21

2011-10-18

Hewitt, James (Department: 3679)

Pipe joints or couplings

Flexible joint, rigid members

C285S263000

Reexamination Certificate

active

08038177

ABSTRACT:
A flexible pipe joint has two annular elastomeric flex elements stacked in a co-axial fashion at an inner radius from a common center of rotation, and at least one elastomeric flex element disposed at an outer radius from the common center of rotation. The flex elements at the inner radius are coupled mechanically in series between the extension pipe and the housing of the flexible pipe joint, and the flex element at the outer radius is coupled mechanically in parallel with the series combination of the inner flex elements. The inner flex elements isolate the flex element at the outer radius from transport fluid, and the flex element at the outer radius reduces the axial compression of the inner flex elements. Thus, the inner flex elements may have a reduced radius and a different composition to handle a higher loading of heat and pressure.

REFERENCES:
patent: 2900182 (1959-08-01), Hinks
patent: 3429622 (1969-02-01), Lee et al.
patent: 3519260 (1970-07-01), Irwin
patent: 3555590 (1971-01-01), Halopoff
patent: 3680895 (1972-08-01), Herbert et al.
patent: 3734546 (1973-05-01), Herbert et al.
patent: 3941433 (1976-03-01), Dolling et al.
patent: 3958840 (1976-05-01), Hickox et al.
patent: 4068864 (1978-01-01), Herbert et al.
patent: 4068868 (1978-01-01), Ohrt
patent: 4081660 (1978-03-01), Uffer et al.
patent: 4098527 (1978-07-01), Herbert et al.
patent: 4103939 (1978-08-01), Herbert et al.
patent: 4105266 (1978-08-01), Finney
patent: 4121861 (1978-10-01), Gorndt
patent: 4173360 (1979-11-01), Bergman et al.
patent: 4183556 (1980-01-01), Schwemmer
patent: 4263243 (1981-04-01), Wilson et al.
patent: 4324194 (1982-04-01), Elliston
patent: 4416473 (1983-11-01), Lamy et al.
patent: 4515399 (1985-05-01), Sullivan et al.
patent: 4570979 (1986-02-01), Moore
patent: 4593941 (1986-06-01), Whightsil, Sr.
patent: 4706998 (1987-11-01), Peppel et al.
patent: 4708758 (1987-11-01), McGregor
patent: 4759662 (1988-07-01), Peppel
patent: 4784410 (1988-11-01), Peppel et al.
patent: 4797639 (1989-01-01), Driscoll
patent: 4984827 (1991-01-01), Peppel et al.
patent: 5133578 (1992-07-01), Whightsil, Sr. et al.
patent: 5269629 (1993-12-01), Langner
patent: 5482406 (1996-01-01), Arlt, III
patent: 5615977 (1997-04-01), Moses et al.
patent: 5641248 (1997-06-01), Arlt, III
patent: 5791695 (1998-08-01), Snider
patent: 5905212 (1999-05-01), Moses et al.
patent: 5951061 (1999-09-01), Arlt, III et al.
patent: 6739804 (2004-05-01), Haun
patent: 6789790 (2004-09-01), Speckhart et al.
patent: 7063292 (2006-06-01), Perez-Sanchez
patent: 7167412 (2007-01-01), Tenghamn
patent: 7341283 (2008-03-01), Moses et al.
patent: 7529089 (2009-05-01), Cheng
patent: 2009/0156341 (2009-06-01), Gaynor
patent: 2009/0212557 (2009-08-01), Gutierrez-Lemini et al.
patent: 2009108644 (2009-09-01), None
“Steel Catenary Riser FlexJoint,” Internet web page at oilstates.com, 2007, one page, Oil States Industries, Inc., Arlington, Tx.
“SCR Sizes,” Internet web page at oilstates.com, 2007, one page, Oil States Industries, Inc., Arlington, Tx.
“SCR Features,” Internet web page at oilstates.com, 2007, one page, Oil States Industries, Inc., Arlington, Tx.
“Tendon Systems,” Internet web page at oilstates.com, 2007, one page, Oil States Industries, Inc., Arlington, Tx.
“FlexJoint Tendon Bearing,” Internet web page at oilstates.com, 2007, one page, Oil States Industries, Inc., Arlington, Tx.
“SCR Key Slot Receptacle,” Internet web page at oilstates.com, 2007, one page, Oil States Industries, Inc., Arlington, Tx.
International Search Report, International Application No. PCT/US2009/035031, Jun. 25, 2009, 4 pages. European Patent Office, Rijswijk, The Netherlands.
Written Opinion of the International Searching Authority, International Application No. PCT/US2009/035031, Jun. 25, 2009, 6 pages. European Patent Office, Munich, Germany.
Benenson, Walter, et al., Handbook of Physics, pp. 54-55, 2002, Springer-Verlag New York inc., New York, NY.
Cha, Philip D., et al., Fundamentals of Modeling and Analyzing Engineering Systems, pp. 29-33, 2000, Cambridge University Press, Cambridge, UK.
Lobontiu, Nicolae, et al., Mechanics of Micromechanical Systems, pp. 271-272, 2005, Kluwer Academic Publishers, Springer Science +Business Media, Inc., New York, NY.
Supplemental Instructions Torsion Spring Installation, 4 pages, Jun. 28, 2004, Clopay Building Products, Griffon Corporation, New York, NY.
ZBD6890K11—GE Monogram Fully Integrated Built-In Dishwasher, 4 pages, Oct. 2006, General Electric Company, Fairfield, CT.
Webster's Seventh New Collegiate Dictionary, pp. 610-611, 723, 792, 1965, G. & . C. Merriman Company, Springfield, MA.
John Anderson & Dennis Gay, “Physics Lab Module 4, Series and Parallel DC Circuits,” Apr. 5, 2009, pp. 4-1 to 4-12, University of North Florida, Jacksonville, Florida.
Igor Glozman, “Heat Transfer,” Physics class notes, Feb. 11, 2011, 3 pages, Highline Community College, DesMoines, Washington.
Webster's Seventh New Collegiate Dictionary, 1965, pp. 191, 303, and 780G. & C. Merriam Co., Springfield, Mass.

Affiliated with

Also associated with

Rating

Pressure isolation system for flexible pipe joints does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pressure isolation system for flexible pipe joints, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pressure isolation system for flexible pipe joints will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4262043