Tubing assembly unit for boilers for use in connection with combustion on pressurized fluidized beds

- ABB Carbon AB
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Description

FIG. 1 is a top view of the tubing assembly unit of the present invention;

FIG. 2 is a right side view of the tubing assembly unit of the present invention;

FIG. 3 is a left side view of the tubing assembly unit of the present invention;

FIG. 4 is a bottom view of the tubing assembly unit of the present invention;

FIG. 5 is a front view of the tubing assembly unit of the present invention; and,

FIG. 6 is a rear view of the tubing assembly unit of the present invention.

Referenced Cited
U.S. Patent Documents
D280545 September 10, 1985 Fukumoto
D280547 September 10, 1985 Fukumoto
4357907 November 9, 1982 Campbell
4770128 September 13, 1988 McDonald et al.
4790267 December 13, 1988 Mollenhoff
Patent History
Patent number: D358879
Type: Grant
Filed: Mar 22, 1993
Date of Patent: May 30, 1995
Assignee: ABB Carbon AB (Finspang)
Inventor: Sven-Olov Ostman (Finspang)
Primary Examiner: Lisa P. Lichtenstein
Attorney: Marshall A. Lerner
Application Number: 0/6,056