U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Famous Patents

The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 165/920 - PARTICULATE HEAT EXCHANGE


Subclass of Class 165 - Heat exchange
Definition: Apparatus exchanging heat indirectly with particular material.
No. of patents: 30
Last issue date: 11/25/2003


NumberTitleIssue Date
6652771Phase change material blend, method for making, and devices using same
The present invention relates to a powdered mix of a phase change material blend. The blend includes a polar phase change material bound substantially to at least one surface of a clay matrix having a surface charge, wherein the blend is present in a powd...
11/25/2003
6189605Device and method for cooling gas
Device for cooling fluid, comprising: an inlet for infeed of the fluid; a through-flow space through which the fluid flows; a discharge for outfeed of the fluid; and a number of pipes containing coolant which extend helically in the interior of the through-flow spa...
02/20/2001
6103139Single-use encapsulated hot pack activator
An activator (10) made in accordance with the principles of the present invention includes activating crystals (11) that have been formed into a shape and then coated with coating (12). The activator (10) of the present invention can be used in any enviro...
08/15/2000
6080329Particulate cooling media and pads containing the same
This invention employs discrete, free-flowing particles as substrates for the absorption of water as a phase changing, thermal payload. The aqueous payloads are retained in the particles as they cycle between freezing and thawing, delivering and absorbing...
06/27/2000
5857516Pressure reducing heat exchanger
A heat exchanger 10 comprises a pressure vessel 14 having a feed inlet 11 in an upper part thereof for particulate material to be subjected to heat exchange and an outlet 13 at a lower part thereof for the outflow of particulate material from the vessel 1...
01/12/1999
5585174Heat-accumulating material and use thereof
Disclosed is a heat-accumulating material comprising a thermally inert max which is an open-porosity substance, and a thermosensitive working substance which is a hygroscopic substance capable of reversible dehydration-hydration processes. A heat-accumul...
12/17/1996
5353864Mass flow cooler
A mass flow cooler for cooling particulate material comprising a vertical bin having a top end, a bottom end, a material inlet near the top end and a material discharge in the bottom end; the material discharge comprising a plurality of orifices through w...
10/11/1994
5345997Cooling device
A cooling device (1) in the form of a vertically arranged hollow chamber is located between a heat treatment furnace (9) and a quenching bath (11d). The device controls the cooling of small hardware items dropping downwardly through it from the furnace (9...
09/13/1994
5320168Heat exchange system for processing solid particulates
A system for heat exchange processing of particulate solid material is disclosed. The particulate solids are flowed by gravity through a housing packed with flat, internally cooled (or heated) heat exchange panels spaced apart to define generally vertical...
06/14/1994
5314008Fluid-cooled jacket for an air-swept distributor
A fluid-cooled jacket formed by a plurality of panels surrounding and cooling the inlet portion of an air-swept distributor, a component of a fluidized bed reactor system. Each panel contains inlet and outlet tubes, inlet and outlet headers, and a heat ex...
05/24/1994
5184670Heat exchanger
A heat exchanger for heating fluid particulate material comprising a heating chamber (11), heating means associated with the heating chamber (11), a receptacle (14) mounted above the heating chamber (11), a delivery chamber (17) located below the heating ...
02/09/1993
5167274Method and apparatus for cooling particulate solids
Free-flowing solid particulates are cooled in an apparatus comprising a housing containing a multiplicity of parallel, vertical, expanded heat exchanger plates spaced at 15-100 mm and having passages therebetween. Each plate has continuous flow channels f...
12/01/1992
5080164Process and device for heat treatment in continuous flow of a product mixture consisting of a liquid containing solid particulates
During a heat treatment in continuous flow of a product mixture consisting of a liquid containing solid particulates, the mixture is heated to a certain desired temperature in one or more heat exchange sections, held at this temperature in a heat-holding ...
01/14/1992
5038856Arrangement for the protection of tube sections of platen-like heat-transfer surfaces disposed in a gas conduit against wear by gases laden with solid particles
An arrangement for the protection of tube sections of platen-like heat-transfer surfaces disposed in a gas conduit against wear by gases laden with solid particles. A wear-protection element can be withdrawn from the gas conduit, in the direction of the l...
08/13/1991
4998583Heat transfer equipment
Heat transfer equipment is provided having a chamber adapted to contain a bed of free-flowing granular material and a plurality of spirally wound cylindrical tube coils nested together which extend concentrically around a centrally positioned tube collect...
03/12/1991
4947929Apparatus for carbon pulp reactivation
A heat exchanger for heating fluid particulate material comprising a heating chamber, heating means associated with the heating chamber, a hopper mounted above the heating chamber, a delivery chamber located below the heating chamber, a set of flow passag...
08/14/1990
4932785Aggregate drying system with improved aggregate dryer and mass flow apparatus
This invention relates to an improved aggregate drying apparatus and method where the dried aggregate is particularly useful for making hot mix asphalt. In accordance with the system, heat typically lost in exhaust gases and moisture evaporated in a heate...
06/12/1990
4784216Heating and/or drying apparatus
This application discloses several components relating to a heating apparatus which preferably are used in conjunction with each other in an apparatus for heating solid granular or particulate material, such as aggregate used to make asphalt concrete. One...
11/15/1988
4696690Method and device for preheating raw materials for glass production, particularly a cullet mixture
In glass production, waste gases are usually produced which still have a residual temperature of 400°-600° C. even though they are normally used for preheating the fresh air for a glass melting furnace. To be able to utilize this residual energy effecti...
09/29/1987
4585051Heat exchange between solids
A method of the exchange of heat between solids where the heated solids are passed through heat conducting tubes defining a first flow path or zone in the heat exchanger and the solids to be heated are passed through the interstitial space around the tube...
04/29/1986
4546821Heat exchanger with bulk material retarder system
A heat exchanger consisting of a housing (1) with integrated caloric surfaces (3) for cooling bulk materials (8)--in particular hot foundry molding sands--comprises a retarder system in the form of a sand cascade which consists of an upper perforated plat...
10/15/1985
4509589Circulating bed heat exchanger for cooling shale ash
A process and system for simultaneously cooling shale ash fines and flue gas produced during the combustion of spent shale. The flue gas and fine solids are introduced into a heat exchange zone for contact with conventional heat exchange tubes. Heat trans...
04/09/1985
4475587Heat exchanger
In a heat exchanger having tubes arranged in latticed pattern in a frame and serving to conduct a medium for heat exchange and enclosed in a housing wherein the space defined by the housing and the frame is divided into a collector and a distribution cham...
10/09/1984
4441549Heat exchanger within dense gravity layer
A heat exchanger within a dense gravity layer comprises a vertical cylindrical container with a heating surface built thereinto. The heating surface is formed by a tubular housing containing a plurality of tubes mounted in tiers. A space between the inner...
04/10/1984
4430161Cascaded coal drier for a coking plant
In a coking process, coal to be coked is preheated in a cascaded whirling bed drier into which the coal is charged from above and exposed to an indirect heat transfer while whirling in a coal-steam mixture. Hot gas applied to the heating pipes in respecti...
02/07/1984
4418749Heat exchanger
In a heat exchanger for the recovery of heat from hot shale ashes, having tubes arranged in a frame in latticed pattern and serving to conduct a gas, the frame is surrounded by a housing wherein the space enclosed by the frame and the housing is divided i...
12/06/1983
4419215Method of pre-heating particles of a hydrocarbon-bearing substrate and an apparatus therefor
Hydrocarbon-bearing substrate particles are pre-heated by heating the same with a solid heat-bearing medium by indirect counter-current flow using a series of heat transfer loops each containing a circulating heat transfer medium chosen such that the whol...
12/06/1983
4408656Countercurrent 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
4276021Method of recovering heat from hot granular solids
A continuous process for heating a fluid by recovering heat from a heated, pumpable aqueous slurry of granular material wherein the slurry is passed through an indirect heat exchanger to heat the fluid and then passed to a second indirect heat exchanger t...
06/30/1981
4037648Method of cooling recovered sand for casting purposes and apparatus therefor
Method and apparatus for the substantially continuous cooling of recovered casting sand in discrete compartments of a bunker whereby the sand in each compartment is cooled while substantially at rest in heat exchange relation with heat exchanger means dis...
07/26/1977
 
Sign InRegister
Username  
Password   
forgot password?