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Class Information
Number: 432/115
Name: Heating > Tumbler-type rotary - drum furnace > Having flexible, cooled, or air curtain seal between rotary and stationary parts
Description: Apparatus having a stationary member and a rotary drum and including a means preventing or controlling dilution or escape of the drum atmosphere of their junction, the means being a flexible or cooler seal or an air curtain type flow controller.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7566221 |
Sealing device for a gas inlet to an oven or the like |
Jul. 28, 2009 |
| 7204689 |
Seal structure of solid feeding screw, and method of manufacturing reduced metal using the seal structure |
Apr. 17, 2007 |
| 7077645 |
Rotary tubular kiln |
Jul. 18, 2006 |
| 6893256 |
Rotary kiln with annular, closed end seal, annular, closed seal for a rotary kiln, and method for the production of such a seal |
May. 17, 2005 |
| 6589049 |
Rotary kiln seal |
Jul. 8, 2003 |
| 6584700 |
Drying and cooling unit |
Jul. 1, 2003 |
| 6464493 |
Multi-axis rotary seal system |
Oct. 15, 2002 |
| 6164220 |
Rotary burner for solid fuel |
Dec. 26, 2000 |
| 5927970 |
Apparatus for recovering hydrocarbons from solids |
Jul. 27, 1999 |
| 5906435 |
Particulate drum mixer with scoop section and seal assembly with bladder |
May. 25, 1999 |
| 5823768 |
Rotary combustor and seal assembly therefor |
Oct. 20, 1998 |
| 5769428 |
Device for sealing a hood that protects a tumbling barrel |
Jun. 23, 1998 |
| 5709544 |
Dual seal for a vacuum heat treating furnace |
Jan. 20, 1998 |
| 5704301 |
Rotary combustor and spring assembly therefor |
Jan. 6, 1998 |
| 5571269 |
Rotary seal assembly for rotary drum |
Nov. 5, 1996 |
| 5551870 |
Rotating kiln seal |
Sep. 3, 1996 |
| 5511795 |
Combined segmented and pneumatic seal for drum-type furnaces |
Apr. 30, 1996 |
| 5448957 |
Cylinder grate |
Sep. 12, 1995 |
| 5433597 |
Rotary kiln inlet |
Jul. 18, 1995 |
| 5383672 |
Seal structure for rotary kiln |
Jan. 24, 1995 |
| 5361708 |
Apparatus and method for pasteurizing and drying sludge |
Nov. 8, 1994 |
| 5263724 |
Segmented seal for rotary equipment |
Nov. 23, 1993 |
| 5203693 |
Rotary drum dryer having internal flights |
Apr. 20, 1993 |
| 5195888 |
Multi-layer fluid curtains for furnace openings |
Mar. 23, 1993 |
| 5174750 |
Circumferential seal system for a rotary combustor |
Dec. 29, 1992 |
| 5173045 |
Radial seal for rotary combustor |
Dec. 22, 1992 |
| 5112222 |
Debris tolerant seal |
May. 12, 1992 |
| 5106105 |
Rotary kiln seal |
Apr. 21, 1992 |
| 5022852 |
Rotary kiln |
Jun. 11, 1991 |
| 5000462 |
Sealing assembly for a ball mill pulverizer |
Mar. 19, 1991 |
| 4993940 |
Scraper for an axial seal in a rotary combustor |
Feb. 19, 1991 |
| 4972786 |
Finned tubed rotary combustor |
Nov. 27, 1990 |
| 4961588 |
Radial seal |
Oct. 9, 1990 |
| 4950155 |
Replaceable longitudinal seal for a rotary combustor |
Aug. 21, 1990 |
| 4934744 |
Rotary joint for conveying feedwater |
Jun. 19, 1990 |
| 4932863 |
Heat loss reduction in rotating drum dryers |
Jun. 12, 1990 |
| 4915622 |
Fluid barrier curtain system |
Apr. 10, 1990 |
| 4836560 |
Seal |
Jun. 6, 1989 |
| 4836775 |
Air cooled rotary kiln collar |
Jun. 6, 1989 |
| 4728289 |
Axial seal system for rotary combustor |
Mar. 1, 1988 |
| 4589354 |
Apparatus for the recovery of gases from waste materials |
May. 20, 1986 |
| 4554876 |
Rotary kiln with cooler |
Nov. 26, 1985 |
| 4545764 |
Rotary kiln assemblies, method of changing seal arrangements and seal arrangements for use in a rotary kiln assembly |
Oct. 8, 1985 |
| 4543061 |
Air cooled rotary kiln feed end dam |
Sep. 24, 1985 |
| 4533319 |
Method of and apparatus for monitoring a rotary kiln assembly |
Aug. 6, 1985 |
| 4457520 |
Device for sealing the gap between a rotary kiln and an inlet housing |
Jul. 3, 1984 |
| 4430809 |
Front drum access and support for dryer |
Feb. 14, 1984 |
| 4406464 |
Face seal arrangement for sealing a rotatable tubular member |
Sep. 27, 1983 |
| 4405137 |
Metal leaf rotary seal for rotary drum |
Sep. 20, 1983 |
| 4400154 |
Refuse burning apparatus |
Aug. 23, 1983 |
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