Metal working – Method of mechanical manufacture – Heat exchanger or boiler making
Reexamination Certificate
2007-07-24
2007-07-24
Leo, Leonard R. (Department: 3744)
Metal working
Method of mechanical manufacture
Heat exchanger or boiler making
C029S890053, C165S051000, C165S109100, C165S158000, C165S166000, C165S170000
Reexamination Certificate
active
11117503
ABSTRACT:
A heat exchanger for cooling exhaust gas, around which a liquid cooling medium flows on the outside, including a bundle of rectangular tubes provided as ducts for the exhaust gas whose ends are welded into tube bottoms. The bundle of rectangular tubes is surrounded with a sheet metal jacket which follows the contour of the bundle and which is provided with a cooling medium inlet and a cooling medium outlet. The ends of the sheet metal jacket are provided with welded-on flange plates which are each open by means of a central opening with respect to the bundle of rectangular tubes and which are provided with fastening devices for fastening onto pipe sections of an exhaust pipe.
REFERENCES:
patent: 709416 (1902-09-01), Maybach
patent: 1182271 (1916-05-01), Hersh
patent: 2488615 (1949-11-01), Arnold
patent: 2941787 (1960-06-01), Ramen
patent: 3757855 (1973-09-01), Kun et al.
patent: 4262659 (1981-04-01), Brzezinski
patent: 4546825 (1985-10-01), Melnyk et al.
patent: 4564062 (1986-01-01), McDougall
patent: 4688631 (1987-08-01), Peze et al.
patent: 4815535 (1989-03-01), Hagemeister
patent: 4971137 (1990-11-01), Thompson
patent: 5038754 (1991-08-01), Scala
patent: 5251693 (1993-10-01), Zifferer
patent: 5803162 (1998-09-01), Karbach et al.
patent: 6321835 (2001-11-01), Damsohn et al.
patent: 2102744 (1972-08-01), None
patent: 2 69 073 (1989-06-01), None
patent: 4035896 (1992-01-01), None
patent: 41 41 556 (1993-06-01), None
patent: 94 06 197 (1994-07-01), None
patent: 02 45 022 (1987-11-01), None
patent: 367710 (1906-11-01), None
patent: 2224821 (1990-05-01), None
Damsohn Herbert
Karbach Thomas
Pfender Conrad
Wenzelburger Jan
Behr GmbH & Co.
Crowell & Moring LLP
Leo Leonard R.
LandOfFree
Heat exchanger for cooling exhaust gas and method of... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Heat exchanger for cooling exhaust gas and method of..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Heat exchanger for cooling exhaust gas and method of... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3809119