Class 432/82 - Entering and leaving work exchange heat

Subclass of Class 432 - Heating
Definition: Apparatus including means by which heat removed from the
No. of patents: 23
Last issue date: 08/14/2007

Number	Title	Issue Date
7255829	Method and apparatus for treatment of metallic workpieces A method and an apparatus for the thermal treatment of metallic workpieces with which gas quenching can be obtained that is low in distortion, even for workpieces with an undulating shape or workpieces that are projectingly stackable are provided. In accordance with...	08/14/2007
6627856	Moveable heat exchanger Disclosed is a moveable heat exchanger for use with a high temperature chamber, such as for instance a nitriding furnace. The heat exchanger is between a first position external to the furnace, and a second position in which the heat exchanger projects su...	09/30/2003
6289851	Compact low-nox high-efficiency heating apparatus A multi-stage heating apparatus having a first stage combustion chamber, a second stage combustion chamber, a primary porous matrix chamber disposed between the first and second stage combustion chambers, a secondary porous matrix chamber, heat exchanger ...	09/18/2001
6068720	Method of manufacturing insulating glass units A method of manufacturing insulating glass units is disclosed that comprises delivering a succession of high temperature insulating glass units from an oven and a press, moving successive IGUs along a travel path with the major surfaces of each IGU extend...	05/30/2000
5549471	Cooler grate for a reciprocating grate cooler The invention relates to a cooler grate for a reciprocating grate cooler, with a plurality of grate plate supports extending transversely with respect to the cooler grate and constructed as hollow bodies, on which in each case grate plates are supported s...	08/27/1996
5069618	Method and kiln for firing ceramic articles In a tunnel kiln or other through-type kiln having aligned successive preheating, firing and cooling zones, counter-current air flows are provided in the preheating and cooling zones while essentially isolating the firing zone from air exchange by circula...	12/03/1991
4752217	Wire coating oven including wire cooling apparatus A wire coating oven (2) is disclosed which includes a wire cooling apparatus (1) for cooling a wire (3) passing therethrough, while minimizing gaseous emissions. The cooling apparatus includes a wire cooling passage (10) having a wire entrance end (13) ad...	06/21/1988
4640683	Kiln for firing heavy ceramics A transport surface for a kiln for firing heavy ceramic articles includes a loading, an unloading end, a chassis standing between the ends and a transport surface resiliently connected to said chassis; a drive motor for imparting vibratory motion to the t...	02/03/1987
4634368	Apparatus for improving the surface characteristics of waxy materials An apparatus and method for improving the surface characteristics of wax-based material such as a deodorant or anti-perspirant stick housed in a container is provided. The apparatus comprises a hollow walled housing having an inlet and outlet portion. A p...	01/06/1987
4597735	High-efficiency porcelain enameling furnace A procelain enameling furnace includes a combined entrance/exit zone, an air seal section, a radiation/convection heat transfer section, and a heating section. The entrance/exit zone receives an incoming cool ware and discharges an outgoing hot ware at su...	07/01/1986
4568274	Heat treating furnace for metallic strip A heat treating furnace for a metallic strip, which includes a heat exchanging zone and a heating/soaking zone provided within a furnace body by dividing the furnace body with a partition wall disposed in a widthwise direction so as to transport the metal...	02/04/1986
4449923	Continuous heat-treating furnace A continuous heat-treating furnace comprises, a housing structure having an entrance and an exit defined at its opposite ends, respectively, and also having defined therein a preheating zone adjacent the entrance, a cooling zone adjacent the exit and a hi...	05/22/1984
4408656	Countercurrent heat exchanger for two streams of solids using heat pipes Disclosed are apparatuses and methods for transferring heat from a relatively hot stream of solid materials to a relatively cold stream of solid materials. Both streams cascade downward under the force of gravity over a series of heat pipes which are arra...	10/11/1983
4285669	Roller kiln provided with a drying tunnel, particularly for ceramic or refractory materials A roller tunnel kiln for firing a drying refractory material advanced along the refractory rotatable rollers includes an upper section comprising a prefiring zone, a firing zone, a first forced cooling zone, a natural cooling zone and a second forced cool...	08/25/1981
4260371	Modular heat exchange apparatus Modular, conveyor-type heat exchange apparatus is provided which is especially adapted for handling large volumes of shale rock and preheating incoming raw shale using hot, spent shale from a commercial processing operation. The apparatus includes an elon...	04/07/1981
4253825	Grain drier A grain drier comprising a plurality of horizontal conveyor belts arranged one above another in staggered relationship so that grain delivered to one end of the upper conveyor belt will drop onto the lower conveyor belt when it gets to the other end of th...	03/03/1981
4188519	Process and apparatus for controllably exchanging heat between two bodies Disclosed is a process and apparatus for recovering high temperature heat normally lost from materials that have been processed at high temperature, and for transferring this heat directly to materials about to be processed. The apparatus comprises a tunn...	02/12/1980
4142302	Multiple bin heat recycled grain drying An improvement in the method of grain drying wherein grain is dried in a first drying bin and removed to a holding bin, the improvement comprising withdrawing hot air from the holding bin and circulating the hot air to the drying bin....	03/06/1979
4111644	Rotary hearth furnace with preheat conveyor Rotary furnace and preheater structure, wherein a billet is heated on an enclosed preheat conveyor where waste gases from the rotary hearth furnace preheat the billet counter to the billet travel direction. The preheated billet is inserted into the rotary...	09/05/1978
4067382	Heat reclaim system A heat reclaim system for reclaiming waste heat from a material processing line by bleeding a portion of the heated air from one or more points on the material heat processing line and directing such heated air through an economizer containing a bank of s...	01/10/1978
4039794	Apparatus and method for heating ferromagnetic abrasive shot There is provided an apparatus and method for heating ferromagnetic abrasive shot to a selected temperature substantially above the Curie Point temperature of the metal forming the shot. An elongated generally cylindrical retort, having a central axis and...	08/02/1977
4022570	Warm form cooling and heat recovery tunnel A heat transfer apparatus for controlling the temperature of a formed workpiece is provided. The apparatus is in the form of a multi-tier rotary preheat, quench and heat recovery tunnel which provides for transfer of heat between tiers from workpieces to ...	05/10/1977
3982889	Preheating system for aluminum remelt furnace A preheating system for an aluminum remelt furnace, the preheating system extracting hot flue gases from the melting furnace and passing them through cartridges specially designed to hold various forms of aluminum stock in a manner permitting effective tr...	09/28/1976

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Class 432/82 - Entering and leaving work exchange heat