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| Number | Title | Issue Date |
| 6576198 | Modular VOC entrapment chamber for a two-chamber regenerative oxidizer Regenerative oxidizer including an entrapment chamber and damper assembly, as well as a method of oxidizing volatile organic compounds in a gas using such apparatus. To improve the VOC destruction efficiency and eliminate opacity issues resulting from hea... | 06/10/2003 |
| 6537064 | Flow director for line burner A burner having improved flame quality even at high turn-down ratios. The burner includes a flow director which is preferably a bent sheet or plate positioned in the burner to alter the flow geometry of the air component into a series of channels where th... | 03/25/2003 |
| 6505792 | Non-contact floating device for turning a floating web Air turn for supporting and optionally drying a web, comprising an arcuate surface having a plurality of apertures formed therein. Pressurized gas is supplied to the air turn plenum, and exits through the plurality of apertures to form a cushion of air to... | 01/14/2003 |
| 6450800 | Regenerative thermal oxidizer incorporating a venturi style burner A burner that utilizes venturi action for induction of combustion air. The action of the venturi draws in surrounding air present around the nozzle to supply the necessary combustion air, provide forward moment to the burning gases to distribute their hea... | 09/17/2002 |
| 6321462 | Web dryer with fully integrated regenerative heat source Integrated web dryer (10) and regenerative heat exchanger (20), as well as a method of drying a web of material using the same. The apparatus and method of the present invention provides for the heating (22) of air and the converting of VOC's to harmless ... | 11/27/2001 |
| 6302188 | Multi-layer heat exchange bed containing structured media and randomly packed media A heat exchanger for a regenerative thermal oxidizer is described which includes at least one heat exchange column provided with a multi-layer of packing material including at least one layer of randomly packed and specially shaped and sized particles, ea... | 10/16/2001 |
| 6264464 | Angled bed for regenerative heat exchanger The present invention relates to one or more heat exchangers in communication with a combustion zone, each heat exchanger containing a matrix of heat exchange media, the matrix having a plurality of defined parallel or substantially parallel flow passages... | 07/24/2001 |
| 6261092 | Switching valve Switching valve and a regenerative thermal oxidizer including the switching valve. The valve of the present invention exhibits excellent sealing characteristics and minimizes wear. The valve has a seal plate that defines two chambers, each chamber being a... | 07/17/2001 |
| 6213758 | Burner air/fuel ratio regulation method and apparatus Control system and method for regulating the air/fuel mix of a burner for a web dryer or a regenerative or recuperative oxidizer, for example. Differential air pressure is monitored between the air chamber of the burner and the enclosure into which the bu... | 04/10/2001 |
| 6195909 | Infrared dryer with air purge shutter A combination infrared/air convection dryer or oven for travelling webs. A shutter assembly is provided between the infrared radiation source and the moving web in order to selectively expose the web to infrared radiation, and to create a sealed air chamb... | 03/06/2001 |
| 5882616 | Catalyst and method for oxidizing oxygen-containing organic compounds in waste gas The present invention generally relates to supported perovskites of the formula XYO3 where X is lanthanum, cerium or yttrium and Y is a transition metal such as copper, chromium, manganese, iron, cobalt and nickel supported on a support such as... | 03/16/1999 |
| 5867920 | High speed infrared/convection dryer A combination infrared/convection dryer or oven for drying travelling webs. A shutter assembly is provided between the infrared radiation source and the moving web in order to selectively expose the web to infrared radiation. Drying efficiency is optimize... | 02/09/1999 |
| 5857270 | Open burner plenum for a flotation dryer Air flotation dryer for floatingly drying travelling webs. The dryer includes a housing having a web inlet and a web outlet spaced from the web inlet, and a plurality of elongated air nozzles arranged transversely to the direction of movement of the web a... | 01/12/1999 |
| 5837205 | Bypass system and method for regenerative thermal oxidizers A regenerative thermal oxidizer in which contaminated air is first passed through a hot heat-exchange bed and into a communicating high temperature oxidation (combustion) chamber, and then through a relatively cool second heat exchange bed. The apparatus ... | 11/17/1998 |
| 5833938 | Integrated VOC entrapment system for regenerative oxidation Regenerative thermal oxidizer in which a gas such as contaminated air is first passed through a hot heat-exchange bed and into a communicating high temperature oxidation (combustion) chamber, and then through a relatively cool second heat exchange bed. Th... | 11/10/1998 |
| 5762880 | Operational process and its improved control system of a secondary air burner Control system and method for monitoring and controlling the stoichiometry of a secondary air burner in a thermal oxidizer. The burner control system secures a certain stoichiometry independent of possible simultaneous changes of the gas mixture flow rate... | 06/09/1998 |
