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Class 165/91 - With drum surface scraper


Subclass of Class 165 - Heat exchange
Definition: Apparatus with a blade device extending along a surface
No. of patents: 25
Last issue date: 04/24/2007


NumberTitleIssue Date
7207376Dual scraped, thin film, heat exchanger for viscous fluid
A heat exchanger for viscous fluids includes a pair of frustum-shaped bodies (1) and (2) providing the heat-transmitting surfaces. The outer body is confined by gate-flanges (3) and (4) through which is inserted a bearing-and-seal housing...
04/24/2007
7081265Ice cream maker
A dual bowl ice cream maker and method for selectively driving one or two mixing bowls, each mixing bowl in a separate mixing compartment, without requiring manipulation of either mixing bowl. ...
07/25/2006
7018513Siphon support, system and method for the use thereof
The invention relates generally to an improvement to a rotary joint and stationary siphon system typically for use in the papermaking process. Disclosed is a siphon support that has a bearing that rotatably engages with a siphon and flow openings that allow for stea...
03/28/2006
6953676Mesoscale polynucleotide amplification device and method
Disclosed are devices for amplifying a preselected polynucleotide in a sample by conducting a polynucleotide polymerization reaction. The devices comprise a substrate microfabricated to define a sample inlet port and a mesoscale flow system, which extends from the i...
10/11/2005
6675877Seal-less magnetically driven scraped-surface heat exchanger
A seal-less magnetically driven scraped-surface heat exchanger is provided that is particularly useful for aseptic processing. The heat exchanger comprises an elongated generally cylindrical heat transfer tube having an inlet, an outlet, and a sidewall de...
01/13/2004
6161302Dryer apparatus for fiber webs
The invention relates to a dryer apparatus for fiber webs (10), such as webs of natural fiber, synthetic fiber and the like. The apparatus comprises a rotating dryer cylinder (1), the interior of which is provided with elements (8) for injecting hot heat-...
12/19/2000
5957041Continuous boiler for organic materials, e.g. fish
A continuous boiling apparatus (1) for organic materials, e.g., fish or offal from abattoirs, comprises at least one annular boiling zone (15) with an inlet opening (13) for the raw material and a discharge opening (4) for the heat-treated raw material. T...
09/28/1999
5655597Heat exchanger
A heat exchanger comprising (a) a hollow, cylindrical roller mounted on its longitudinal axis for rotation about said axis; (b) a manifold positioned in the hollow interior of said roller, said manifold comprising (b1) a central pipe which extends axially...
08/12/1997
5456309Method of transferring heat between a feed material and heat exchange
A method of transferring heat between a feed material and a heat exchange fluid employs a heat exchanger comprising (a) a hollow, cylindrical roller mounted on its longitudinal axis for rotation about said axis; (b) a manifold positioned in the hollow int...
10/10/1995
5174862Polishing doctor blade with diamond abrasive particles for a calendering roll
Disclosed is a polishing doctor blade for resurfacing the surface of a metal calendering roll while in operation, comprising a working surface containing diamond abrasive particles harder than the surface material....
12/29/1992
5078204Method and apparatus for molding confectionary products
An apparatus and method is provided, whereby chocolate or other confection may be hardened by coming into contact with one or more confectionary rolls that have a cooling fluid supplied to the interior of the rolls. The cooling fluid causes the rolls to o...
01/07/1992
4768578Regenerative heat exchange systems and refractory bricks therefore
A prismatic tubular brick of refractory material for constructing the checkerwork structure of regenerative furnaces, the brick having mirror image top and bottom surfaces and a central passage extending therebetween. Two pairs of opposed parallel side wa...
09/06/1988
4522036Cooling device
A cooling device for use in ale coolers, automatic beverage machines, air-conditioning apparatus or the like, said cooling device mainly comprising a series-connected evaporator 3, a compressor 4, a lamella condensor 5 and an air displacing member 6 for g...
06/11/1985
4494318Apparatus and method for manufacturing cured resin-coated particles for use as a proppant
In accordance with the invention an apparatus and method are provided for curing resin-coated particles on a heated rotating surface. A single layer coating of uncured resin-coated particles is fed to the heated rotating surface. As the surface continues ...
01/22/1985
4420949Seawater ice making apparatus
A plurality of knives (100) carried by driven means (36) to travel in circular paths along an inside, cylindrical freezing surface (16) of a refrigerated double-walled drum (12) to remove salt water ice formed thereon. A substantially flat lower surface (...
12/20/1983
4420304Apparatus for manufacturing rapidly cooled solidified slag
An apparatus for manufacturing a rapidly cooled solidified slag, which comprises: a pair of cooling drums, the peripheral surfaces of said pair of cooling drums being in contact with each other and rotating in directions opposite to each other at the same...
12/13/1983
4371032Heat transfer system
An improved heat transfer system of the helical screw type, including endless loop guided volute passage driven scraping means for continuously cleaning the helical screw heat transfer member to prevent the build-up of workable material on an outer surfac...
02/01/1983
4358993Apparatus for thermally treating a layer of material
In an apparatus for treating a layer of material, particularly in a number of successive thermal treatment phases with different treatment temperatures and durations, for carrying out at least two successive treatment phases, there is provided a roller wi...
11/16/1982
4349934Doctoring knife for drum dryers and flakers
An improved doctoring knife for drum dryers and flakers of the type in which a product is deposited on a rotating drum and removed by action of the doctoring knife against the drum is disclosed. The improved doctoring knife is comprised of a series of kni...
09/21/1982
4281434Apparatus for cleaning the surface of a rotating roller
Apparatus for cleaning the surface of a rotating roller (1). First and second cleaning blades (8, 9) each have an edge extending axially across the surface of the roller and adjacent thereto, the edges being parallel and directed against the direction of ...
08/04/1981
4266598Method and apparatus for storing heat energy
Method and apparatus for storing of heat by use of the heat of fusion or crystallization of a liquid-solid storage medium. A conventional crystallization roller rotates with its circumference partially immersed in the melted storage medium. Heat receiving...
05/12/1981
4196689Apparatus for drying paper webs or the like
A Yankee clyinder whose internally heated shell consists of steel or cast iron and is provided with an external layer of pure or alloyed copper, molybdenum, tungsten or another metal whose thermal conductivity greatly exceeds (and preferably amounts to at...
04/08/1980
4183149Web drying roll
A method and apparatus for drying a traveling fibrous web such as paper including a hollow cylindrical dryer drum with means for directing a flow of steam into the drum and for removing condensate from the inside of the drum and positioning an axially elo...
01/15/1980
4126177Dual scraped surface heat exchanger
A heat exchanger for rapidly heating or cooling materials such as fluids containing fragile, discrete particles of varying sizes without substantial damage to the particles. The exchanger has inner and outer heat transfer surfaces that define an elongated...
11/21/1978
4115265Method and apparatus for dehydrating suspension
Method and apparatus for dehydrating suspensions by means of a vacuum filter and consisting of applying the suspension to the surface of the vacuum filter, directing steam along the path parallel to the surface and thereafter passing the steam into contac...
09/19/1978
 
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