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Title: US6551385: Two stroke engine exhaust emissions separator
[ Derwent Title ]


Country: US United States of America

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Inventor: Turner, Terry D.; Ammon, ID
Wilding, Bruce M.; Idaho Falls, ID
McKellar, Michael G.; Idaho Falls, ID
Raterman, Kevin T.; Idaho Falls, ID

Assignee: Bechtel BWXT Idaho, LLC, Idaho Falls, ID
other patents from BECHTEL BWXT IDAHO, LLC (765648) (approx. 113)
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Published / Filed: 2003-04-22 / 2001-12-11

Application Number: US2001000014295

IPC Code: Advanced: B01D 45/16; F01N 3/00; F01N 3/01; F01N 3/037; F01N 3/08; F01N 3/26; F02B 33/04; F02B 33/26; F01N 3/30; F01N 13/02;
IPC-7: B01D 45/12;

ECLA Code: B01D45/16; F01N3/00B; F01N3/01; F01N3/037; F01N3/08; F01N3/26; F02B33/04; F02B33/26; R01N3/30; R01N240/06; R01N260/14; R01N290/00; R01N13/02;

U.S. Class: Current: 095/269; 055/394; 055/DIG.030; 062/005; 096/384;
Original: 095/269; 055/394; 055/DIG.30; 096/384; 062/005;

Field of Search: 096/384 055/392,394,459.1,459.5,DIG. 30 062/005 060/303,311 440/089 095/269

Government Interest:

GOVERNMENT RIGHTS
    This invention was made with United States Government support under Contract No. DE-AC07-99ID13727 awarded by the United States Department of Energy. The United States Government has certain rights in the invention.

Priority Number:
2001-12-11  US2001000014295
2000-09-06  US2000000656312
2000-04-26  US2000000199928P

Abstract:     A separator for substantially resolving at least one component of a process stream, such as from the exhaust of an internal combustion engine. The separator includes a body defining a chamber therein. A nozzle housing is located proximate the chamber. An exhaust inlet is in communication with the nozzle housing and the chamber. A nozzle assembly is positioned in the nozzle housing and includes a nozzle moveable within and relative to the nozzle housing. The nozzle includes at least one passage formed therethrough such that a process stream entering the exhaust inlet connection passes through the passage formed in the nozzle and imparts a substantially rotational flow to the process stream as it enters the chamber. A positioning member is configured to position the nozzle relative to the nozzle housing in response to changes in process stream pressure thereby adjusting flowrate of said process stream entering into the chamber.

Attorney, Agent or Firm: Trask Britt, PC ;

Primary / Asst. Examiners: Hopkins, Robert A.;

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Related Applications:
Application Number Filed Patent Pub. Date  Title
US2000000656312 2000-09-06    2002-04-30  Two stroke engine exhaust emissions separator


       
Parent Case:

CROSS-REFERENCE TO RELATED APPLICATIONS
    This application is a divisional of application Ser. No. 09/656,312, filed Sep. 6, 2000, now U.S. Pat. No. 6,379,411 which claims the benefit of U.S. provisional patent application Ser. No. 60/199,928 filed Apr. 26, 2000, and is incorporated by reference.

Family: Show 3 known family members

First Claim:
Show all 19 claims
What is claimed is:     1. An exhaust system for managing emissions from an internal combustion engine producing exhaust of varying pressure, the exhaust system comprising:
  • an exhaust manifold receiving at least a portion of the exhaust produced by the internal combustion engine;
  • an exhaust resonance chamber in communication with said exhaust manifold so as to receive at least a portion of the exhaust produced by the internal combustion engine; and
  • a muffler, said muffler including a separator in communication with at least said exhaust resonance chamber so as to receive at least a portion of the exhaust produced by the internal combustion engine, said separator configured for adjusting flowrate of exhaust through the muffler in response to changes in exhaust system pressure, and said at least one separator configured for imparting a substantially rotational motion to exhaust received from the exhaust system so as to facilitate substantial resolution of at least a first component of said exhaust, and wherein said at least first component of said exhaust is substantially in liquid form.


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Forward References: Show 4 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (4)   |   Backward references (10)   |   Citation Link

Buy
PDF
Patent  Pub.Date  Inventor Assignee   Title
Get PDF - 15pp US3577728  1971-05 Brimer et al.  General Scientific Laboratories, Inc. EXHAUST GAS PROCESSING SYSTEM
Get PDF - 11pp US3861142  1975-01 Bose   ANTI-POLLUTION SYSTEMS FOR AUTOMOBILES
Get PDF - 9pp US3892070  1975-07 Bose   Automobile anti-air pollution device
Get PDF - 13pp US4074975  1978-02 Tokura et al.  Nissan Motor Company, Limited Combination exhaust-gas cleaner and muffler for an automobile engine
Get PDF - 8pp US4318373  1982-03 Soubis   Two-stroke motors producing better combustion and permitting a reduction of pollution
Get PDF - 7pp US5193341  1993-03 Sibbertsen et al.  HKK Hanseatisches Kreativ Kontor Gesellschaft fur Entwicklung und Vertrieb mbH Arrangement for removing oxidizable or combustible particles from exhaust gases
Get PDF - 6pp US5536289  1996-07 Spies et al.  Firma Carl Freudenberg Gas-liquid separator
Get PDF - 7pp US5558070  1996-09 Bell et al.  Orbital Engine Company (Australia) Pty. Limited Exhaust gas recirculation in a two stroke engine
Get PDF - 9pp US5746630  1998-05 Ford et al.  Centek Industries, Inc. Combination wet marine exhaust muffler and water separator
Get PDF - 8pp US5785014  1998-07 Cornwell   Expansion chamber for two-cycle engine
       
Foreign References:
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PDF
Publication Date IPC Code Assignee   Title
Buy PDF - 10pp DE3128470 1983-01  F01M 13/00 Bayerische Motoren Werke AG, 8000 Muenchen, DE Zyklonoelabscheider 


Continuity Data:
Application Number Filed Notes

>US2001000014295< 2001-12-11  is a division of
US2000000656312  2000-09-06   (granted)
     US6379411 issued 2002-04-30   Two stroke engine exhaust emissions separator

US2001000014295 2001-12-11  is a non-provisional of provisional
US2000000199928P  2000-04-26


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