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Class 34/165 - Gravity flow type


Subclass of Class 34 - Drying and gas or vapor contact with solids
Definition: Apparatus in which material is fed in at an elevated level
No. of patents: 36
Last issue date: 08/09/2011


NumberTitleIssue Date
7992319Dryer, drying method and drying plant
The invention provides a dryer for drying particulate material, comprising at least one substantially vertical elongate container having: an upper inlet for receiving a charge of moisture containing particulate material; a lower outlet for discharging dried particul...
08/09/2011
7188436Heating and drying apparatus for particulate material
A continuous gravity flow apparatus for heating and/or drying of particulate material is vertically disposed and is provided with an inlet at the top and an outlet at the bottom. The apparatus includes a flow passage for the particulate material which is defined bet...
03/13/2007
7143524Desiccant cartridge having desiccant cap
This invention relates to a desiccant cartridge (10) adapted for use in a canister (14) of an integrated receiver/dryer or accumulator assembly of an automotive air conditioning system wherein the canister (14) has an offset inlet port (16
12/05/2006
7089681Method and apparatus for filtering and drying a product
The present invention relates to a method and apparatus for filtering and drying a product. In a preferred embodiment, the apparatus comprises a container having a plurality of porous walls and a plurality of solid walls that divide the container into a plurality of...
08/15/2006
7077888Device for separating dust from flue gases from combustion plants, especially solid fuel combustion plants
The invention relates to a device for separating dust from flue gases from combustion plants, especially solid fuel combustion plants, comprising at least one dust filter via which the flue gases are guided, and by means of which the dust from the flue gases can be ...
07/18/2006
6996917Two stage apparatus for desolventizing food grain meal
A desolventizing system for removing solvent from a quantity of solvent-laden particles such as flakes comprises first and second desolventizer units, each having an inlet port for receiving solvent-laden particles, an outlet port for discharging at least partially ...
02/14/2006
6935051Heating and drying apparatus for particulate material
A continuous gravity flow apparatus for heating and/or drying of particulate material is vertically disposed and is provided with an inlet at the top and an outlet at the bottom. The apparatus includes a flow passage for the particulate material which is defined bet...
08/30/2005
6834443Full heat moving target grain drying system
A grain dryer control system uses the grain dryer discharge temperature to account for moisture reduction in the grain as it cools after discharge from the dryer. The control system includes moisture and temperature sensors and a means to control the discharge of gr...
12/28/2004
6766595Apparatus and method for enhanced solvent recovery from solvent extracted material
Apparatus and method for desolventizing particulate material having a solvent carried thereby wherein an upper indirect heating zone and a lower direct heating zone is provided. Each of the zones has a plurality of spaced apart horizontal trays for receiving particu...
07/27/2004
6732454Apparatus for extracting solvent from a mass of vegetable particles
A system for removing from a particle mass a liquid permeating the particle mass includes a vaporizing stage having a space wherein the pressure is less than the pressure of the particle mass. As the particle mass enters the vaporizing stage, the lower pressure caus...
05/11/2004
6668844Systems and methods for processing workpieces
Workpieces requiring low levels of contamination, such as semiconductor wafers, are loaded into a rotor within a process chamber. The process chamber has a horizontal drain opening in its cylindrical wall. The chamber is closed via a door. A process or ri...
12/30/2003
6612049Preheating and drying device
The preheater and dryer device has a housing and a first collector is disposed inside the housing. A feeding device extends into the housing and contains a material to be dried and preheated. A movable and hollow central conduit extends from the upper end...
09/02/2003
6588345System for improving the flowability of hygroscopic materials from a hopper
An apparatus and a method for improving the flowability of hygroscopic materials from a hopper wherein a desiccant containment device containing a desiccant material is located within a hopper that is used for transporting or storing granular or powdered ...
07/08/2003
6581299Method for extracting natural juice of ligneous plant material, device for carrying out said method and use of said method in the production of dried ligneous plants material
The invention relates to a method for extracting the natural juice of ligneous plant material, a device for carrying out said method and the use of said method in the production of dried ligneous plant material. The method for extracting the natural juice...
06/24/2003
6427359Systems and methods for processing workpieces
Workpieces requiring low levels of contamination, such as semiconductor wafers, are loaded into a workpiece support or holder within a process chamber. The process chamber has a drain opening, slot or edge. The chamber is closed via a door. A process or r...
08/06/2002
6367163Hot air dryer
A hot air slurry dryer having a cylindrical housing with a central shaft rotatably mounted in the housing. Material to be dried moves from an upstream end of the housing to an outlet at a downstream end. A hot air inlet is connected to the upstream end of...
04/09/2002
6289606Apparatus and method for moisture control of particulate material
An apparatus and method for control of moisture content of material such as thermoplastic pellets (80) in a hopper (30) is controlled by supplying dehumidified air from a dessicant bed (90) to the hopper (30) and returning air from the hopper (30) to the ...
09/18/2001
6279250Apparatus for enhanced solvent recovery from solvent extracted material
Apparatus and method for desolventizing particulate material having a solvent carried thereby wherein an upper indirect heating zone and a lower direct heating zone is provided. Each of the zones has a plurality of spaced apart horizontal trays for receiv...
08/28/2001
6202319Grain dryer heat exchanger
A heat exchanger for use on existing grain dryers or integral to new grain dryers that recovers heat from the moist hot exhaust air leaving the grain columns and uses this recovered heat to preheat ambient air being drawn into the grain dryer via a blower...
03/20/2001
6143134Chip spreader for air-lock feeder
By establishing a relatively flat, for example, non-sharply conical, top profile of wood chips in a treatment vessel (such as a chip bin), the chips will be more uniformly steamed or otherwise treated (or have the treatment time of the chips extended) com...
11/07/2000
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
5561914Sand drying apparatus
A mobile Sand Dryer is disclosed. This dryer is substantially made up of two portions. The first portion of the Sand Dryer is a wet sand tank. This tank is essentially divided into two distinct portions; an upper wet sand holding chamber and a lower sand ...
10/08/1996
5549057Dryer and combustible pellet system
A dryer for particulate materials comprising an elongated, peripherally enclosed combustion tunnel having a combustion chamber and an exhaust outlet, a liner spaced from and around the combustion tunnel, having an exterior radiant heat reflective shield, ...
08/27/1996
5351418Process for drying of granular or powdered carbon by electrical resistance heating
A process of drying moist or wet carbon particles in a series of tubular drying sections by electrical resistance heating where the current is introduced into the uppermost column of carbon particles through a graphite block positioned at the center of th...
10/04/1994
5177876Reactor installation for countercurrent treatment of gases and bulk solids
The invention relates in general to a reactor installation for countercurrent treatment of gases and bulk solids and, in particular, to a moving bed reactor installation with at least one reaction chamber which latter has at least one inlet and at least o...
01/12/1993
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
4951561Apparatus for fluid-solid bed processing
An apparatus for a supercritical fluid-solid bed process such as for decaffeinating green coffee beans including an elongated cylindrical vessel having a top and bottom. The solids accumulate to form a fluid-solids bed on the bottom of the vessel which in...
08/28/1990
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
4880604Apparatus for coke burning in regeneration of hydrocarbon conversion catalyst
Method and apparatus for effecting treatment needed to regenerate spent hydrocarbon conversion catalyst. The invention may be termed a variable gas flow catalyst bed. Catalyst particles in a vertically-elongated movable bed are contacted with a hot oxygen...
11/14/1989
4839969Drying method and apparatus
A method, apparatus and system for use in drying particulate matter employing a drier comprising a cylindrical upper section, a frustoconical lower section, a rotatable shaft extending substantially the entire length of the interior of the drier, a plural...
06/20/1989
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
4468868Gas-solid counterflow vessel
A gas to solid contacting apparatus comprising a chamber, at least one solid inlet conduit opening into the chamber, at least one gas inlet conduit opening into the chamber, the gas inlet and outlet comprising superimposed conduits....
09/04/1984
4379692Method of drying and preheating moist fine material and apparatus for carrying out the method
A preheating moist fine material, such as pit coal and lignate, peat, wood, oil shale, or even ores or limestone for cement production, and an apparatus for carrying out the method are disclosed. Moist fine material is mixed above a heater with predried a...
04/12/1983
4201695Arrangement for regenerating particulate adsorbents
A reaction vessel for regenerating particulate adsorbents has a bottom outlet and top inlets for admission of the adsorbent to be regenerated by being heated to a regeneration temperature, and for a particulate regenerating material at a temperature above...
05/06/1980
4126947Settling and drying apparatus
The invention relates to a settling and drying apparatus composed of a settling tank in whose center is immersed a tube of an annular supply tank with central overflow comprising, coaxially, an extractor tube plunging to the bottom of the tank and surmoun...
11/28/1978
4094075Systems for drying particulate material
Systems for drying moisture entrained particulate material include a pressurizable chamber for receiving the material to be dried, and a fluid bed device disposed within the chamber for moving the material from an inlet through the chamber to an outlet. A...
06/13/1978
 
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