| Patent Number |
Title Of Patent |
Date Issued |
| 7308904 |
Electric gear motor drive for switching valve |
December 18, 2007 |
| Electric drive for a switching valve, the switching valve having such a drive, and a regenerative thermal oxidizer including the switching valve and drive system. The electric drive system allows for the starting and stopping of the rotation of a rotary valve with accurate positioning. T |
| 7033544 |
Determination of supplemental fuel requirement and instantaneous control thereof involving regen |
April 25, 2006 |
| A control system for 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 includes |
| 6978977 |
Dual lift system |
December 27, 2005 |
| Valve and valve lift system suitable for use in a regenerative thermal oxidizer, and oxidizer including the switching valve. The valve of the present invention exhibits excellent sealing characteristics and minimizes wear. In a preferred embodiment, the valve is sealed with pressurized a |
| 6899121 |
Switching valve seal |
May 31, 2005 |
| Switching valve utilizing a rotatable seal suitable for use in a regenerative thermal oxidizer, and 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 ch |
| 6892750 |
Switching valve |
May 17, 2005 |
| 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 flow port that leads to one of |
| 6783111 |
Dual lift system |
August 31, 2004 |
| Valve and valve lift system suitable for use in a regenerative thermal oxidizer, and oxidizer including the switching valve. The valve of the present invention exhibits excellent sealing characteristics and minimizes wear. In a preferred embodiment, the valve is sealed with pressurized a |
| 6775925 |
Water spray web cooling apparatus for web dryer |
August 17, 2004 |
| Apparatus and a method for the evaporative cooling of a web within a dryer in a compact manner. Excess fluid overspray is controlled, thereby avoiding problems with fluid depositing on internal surfaces of the dryer, which can cause mineral build-up and can result in web breaks or qualit |
| 6749815 |
Switching valve seal |
June 15, 2004 |
| Switching valve utilizing a rotatable seal suitable for use in a regenerative thermal oxidizer, and 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 ch |
| 6735883 |
Electrostatic assisted web cooling and remoistening device |
May 18, 2004 |
| Apparatus and a method for enhancing the effectiveness of a water spray (30) to cool and/or remoisten a web (12) of material. The apparatus includes a web dryer, preferably a flotation dryer (100), an electrostatic charge generating device (31) or devices, a water spray (30), an inte |
| 6681497 |
Web dryer with fully integrated regenerative heat source and control thereof |
January 27, 2004 |
| Integrated web dryer and regenerative heat exchanger, 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 of air and the converting of VOCs to harmless gases in a fully integrated manner via the inclus |
| 6669472 |
Dual lift system |
December 30, 2003 |
| Valve and valve lift system suitable for use in a regenerative thermal oxidizer, and oxidizer including the switching valve. The valve of the present invention exhibits excellent sealing characteristics and minimizes wear. In a preferred embodiment, the valve is sealed with pressurized a |
| 6651357 |
Web dryer with fully integrated regenerative heat source and control thereof |
November 25, 2003 |
| Integrated web dryer and regenerative heat exchanger, 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 of air and the converting of VOCs to harmless gases in a fully integrated manner via the inclus |
| 6576198 |
Modular VOC entrapment chamber for a two-chamber regenerative oxidizer |
June 10, 2003 |
| 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 heat exchange matrix regeneration, u |
| 6537064 |
Flow director for line burner |
March 25, 2003 |
| 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 the air mixes with the fuel. Prefer |
| 6505792 |
Non-contact floating device for turning a floating web |
January 14, 2003 |
| 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 float the web. Turn angles of ab |
| 6450800 |
Regenerative thermal oxidizer incorporating a venturi style burner |
September 17, 2002 |
| 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 heat, and control the location of th |
| 6321462 |
Web dryer with fully integrated regenerative heat source |
November 27, 2001 |
| 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 gases in a fully integrated manne |
| 6302188 |
Multi-layer heat exchange bed containing structured media and randomly packed media |
October 16, 2001 |
| 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, each particle being formed of a hig |
| 6264464 |
Angled bed for regenerative heat exchanger |
July 24, 2001 |
| 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, the matrix being angled sli |
| 6261092 |
Switching valve |
July 17, 2001 |
| 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 flow port that leads to one of |
| 6213758 |
Burner air/fuel ratio regulation method and apparatus |
April 10, 2001 |
| 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 burner fires (such as a flotation |
| 6195909 |
Infrared dryer with air purge shutter |
March 6, 2001 |
| 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 chamber when in the closed position. E |
| 6129139 |
Consolidated poppet valve assembly |
October 10, 2000 |
| Anti-leak two-port and three-port poppet valves for a 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 or zone, and then through a relatively cool |
| 6086828 |
Heat exchanger efficiency control by differential temperature |
July 11, 2000 |
| A regenerative thermal oxidizer (H-101) includes a number of heat exchange columns (A, B) topped by a combustion chamber (C-101). Contaminated air is directed into one of the columns and oxidation is completed as the flow passes through the combustion chamber (C-101). From the combustion |
| 6067726 |
High speed infrared/convection dryer |
May 30, 2000 |
| 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 optimized by adding heated impinged air a |
| 6049995 |
Infrared dryer with air purge shutter |
April 18, 2000 |
| 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 chamber when in the closed position. E |
| 5882616 |
Catalyst and method for oxidizing oxygen-containing organic compounds in waste gas |
March 16, 1999 |
| The present invention generally relates to supported perovskites of the formula XYO.sub.3 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 alumina, silica, magnesium alumina |
| 5867920 |
High speed infrared/convection dryer |
February 9, 1999 |
| 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 optimized by adding heated impinged air a |
| 5857270 |
Open burner plenum for a flotation dryer |
January 12, 1999 |
| 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 and preferably located on opposite |
| 5837205 |
Bypass system and method for regenerative thermal oxidizers |
November 17, 1998 |
| 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 includes a number of internally |
| 5833938 |
Integrated VOC entrapment system for regenerative oxidation |
November 10, 1998 |
| 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. The apparatus includes a number of |
| 5780384 |
Hydrated manganese dioxide oxidation catalysts and process of producing same |
July 14, 1998 |
| The present invention generally relates to supported mono charged cation delta manganese dioxide hydrate having a noble metal on the surface thereof, and to the use thereof for low temperature oxidation of volatile organic compounds (VOCs), particularly oxygen-containing VOCs. The presen |
| 5762880 |
Operational process and its improved control system of a secondary air burner |
June 9, 1998 |
| 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 and/or of the combustible impuri |
