Valves and valve actuation – With restrictor in parallel to main valve
Patent
1995-11-13
1997-01-14
Kamen, Noah P.
Valves and valve actuation
With restrictor in parallel to main valve
251305, F16K 5100
Patent
active
055931316
ABSTRACT:
A flow control apparatus for a coal pipe containing a stream of primary combustion air carrying pulverized solid fuel particles, includes a frame sealingly secured to an outside surface of the coal pipe around a window opening formed on one side of the pipe. An orifice plate having an orifice opening at the center is supported for pivotal movement in the coal pipe on a spindle extending radially outwardly from an edge portion on one side of the orifice plate and out through the window opening in the pipe. A bearing sleeve is provided for supporting the spindle for rotating movement about a spindle axis extending transversely of the coal pipe across the center thereof. A mounting plate structure for the sleeve is provided and is attached to the frame. A removable handle is attached on an outer end of the spindle for rotating the orifice plate in the coal pipe to vary the effective flow cross-section of the orifice opening for controlling the flow of coal and primary air to a burner.
REFERENCES:
patent: 1477824 (1923-12-01), Grindle
patent: 1708496 (1929-04-01), Clendon
patent: 2079420 (1937-05-01), Nielsen
patent: 2676604 (1954-04-01), Senna
patent: 3002472 (1961-10-01), Miller
patent: 4459922 (1984-07-01), Chadshay
patent: 5342019 (1994-08-01), Braun et al.
Briggs, Jr. Oliver G.
Sund, Jr. John A.
DB Riley, Inc.
Kamen Noah P.
LandOfFree
Variable orifice plate for coal pipes does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Variable orifice plate for coal pipes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Variable orifice plate for coal pipes will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1382773