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| Number | Title | Issue Date |
| 8151869 | Scraped surface heat exchanger and a method for producing whey protein concentrate The invention relates to a scraped surface heat exchanger (100) comprising a heat exchanging wall (20) having an cylindrical inner surface (21) with a radius (R+δ), a shaft (10) being rotatable mounted inside of and concentrically to the... | 04/10/2012 |
| 7380403 | Heat exchange device for a cold-producing machine The invention relates to a heat exchange device including at least one heat exchange wall (6) between the refrigerant fluid (3) and the fluid to be cooled (4) having on one side a so-called hot surface (7) in contact with the fluid to be ... | 06/03/2008 |
| 7347933 | Self-cleaning intake screen A self-cleaning screen that automatically cleans both the inside and outside surfaces of the cylindrical screen using only the rotation of the cylindrical screen itself. This self-cleaning ability is accomplished by using a fixed brush on the exterior surface of the... | 03/25/2008 |
| 7325269 | Scraper blade interlocking attachment apparatus and method Attachment apparatus and method for interlocking attachment of a scraper blade with a drive shaft of a scraped surface heat exchanger includes a blade having dual attachment beams and a central locking member, and at least one pin having dual fingers each for interl... | 02/05/2008 |
| 7303000 | Mounting system and method for scraped surface heat exchanger blades A blade for mounting to a scraped surface heat exchanger drive shaft by pivotal connection with a mounting pin has a blade body having a first side and a second side, and a scraper edge and a hinge edge. At least one mounting hole extends through the blade body gene... | 12/04/2007 |
| 7302999 | Scraper blade and method for scraped-surface heat exchanger A curved scraper blade for a scraped-surface heat exchanger pivots about an axis off the centerline of the blade. The profile of the blade is chosen to provide a low initial scrape angle and to change gradually if at all as the blade wears away in service. The off-c... | 12/04/2007 |
| 7237944 | Scraped heat exchanger having blade with protective rest nub Attachment apparatus and method for interlocking attachment of a scraper blade with a drive shaft of a scraped surface heat exchanger includes a blade having dual attachment beams and a central locking member, and at least one pin having dual fingers each for interl... | 07/03/2007 |
| 7207376 | Dual 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 |
| 7178807 | Shaft mounted seal device and method for a scraped surface heat exchanger A scraped surface heat exchanger includes a seal assembly between a rotating tube and the end housing. The seal assembly is removable by removing the tube. ... | 02/20/2007 |
| 7114552 | Split mutator shaft A method and apparatus for removing or inserting a mutator shaft from a scraped surface heat exchanger assembly comprising a split shaft design to form a plurality of mutator shaft segments. Each shaft segment contains ends further connectable with one another and m... | 10/03/2006 |
| 7055580 | System for cleaning tubes of heat exchangers and cleaning bodies for use in the system In a system for cleaning tubes of tube-bundle type heat exchangers including a plurality of tubes (5) arranged in parallel between two chambers (10a, 10b) and flown through by a fluid medium, in particular crude oil, at a temperatu... | 06/06/2006 |
| 6966757 | Scraper blade attachment apparatus and method with split pin An attachment apparatus and method for interlocking attachment of a scraper blade with a drive shaft of a scraped surface heat exchanger includes a blade having dual attachment beams and a central locking member, and at least one pin having dual fingers each for int... | 11/22/2005 |
| 6945316 | System for cleaning tubes of heat exchangers and cleaning bodies therefor In a system for cleaning tubes of heat exchangers flown through by a fluid medium, in particular crude oil, having a temperature in excess of 120° C., wherein, for cleaning a tube, deposits such as dirt particles or the like adhering to its inner wall are detached ... | 09/20/2005 |
| 6817203 | Device for the discontinuous production of ice cream The invention relates to a device for the discontinuous production of ice-cream from a liquid mixture. Said device comprises a processing container, in which at least one tool is mounted so that it can rotate and repeatedly apply the liquid mixture to and scrape the... | 11/16/2004 |
| 6675877 | Seal-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 |
| 6598516 | Apparatus for production of ice-cream In the production of ice-cream products which are continuously extruded after passage of a flowthrough freezer, it would be ideal if the ice-cream could hereby be brought down to a discharge temperature of -12 to -25 degrees centigrade, as the products co... | 07/29/2003 |
| 6595019 | Mechanical means for defrosting cold plates The present invention relates to a mechanical means for defrosting plates used in cold storage. Frost reduces the transfer of heat to the plates and partially or totally obstructs the passage of air. Several methods are used to remove frost from plates: h... | 07/22/2003 |
| 6477846 | Bimetallic tube in a heat exchanger of an ice making machine A heat exchanger tube in a heat exchanger for an ice making machine includes a bimetallic heat exchanger tube to improve capacity and wear characteristics of the heat exchanger. The heat exchanger tube has an outer portion with a first material compositio... | 11/12/2002 |
| 6408936 | To heat exchangers A heat exchanger assembly comprises a tubular casing (1) housing product conduit pipe (8) and a rod (14) extending through each pipe (8). The rod (14) being reciprocatingly moveable along the pipe (8) and having a scraping means (15) projecting from it su... | 06/25/2002 |
| 6349633 | Apparatus for continuous roasting of food materials In the method and apparatus for continuous roasting of food materials according to the present invention, a food material is mixed up by blades (9f) provided on a paddle plate (9d) via an elastic material (9f1) in a tubular cylinder (1) with open ends. Th... | 02/26/2002 |
| 6070417 | Method for making slurry A source fluid from which solid material forms when it is cooled is passed through apparatus which defines a continuous reentrant lumen. The lumen has a thermally conductive processing wall from which heat is extracted from the outside as the source fluid... | 06/06/2000 |
| 5983994 | Method and apparatus for on-line cleaning of and improvement of heat transfer in a heat exchanger tube A method and apparatus are described for cleaning the inside of a heat exchanger tube while the tube is in operation and for simultaneously enhancing the heat transfer rate across the tube wall. The method consists of positioning a rod containing a tube c... | 11/16/1999 |
| 5971061 | Edge-hanging orbital rod support and drive for vertical tube-type heat exchanger A tube-type heat exchanger has a low wear support and drive for a whip rod that orbits over the inner surface of the heat transfer tube to spread a process liquid into a thin falling film. The support and drive includes a conical thrust bearing near the u... | 10/26/1999 |
| 5964278 | Heat exchanger A heat exchanger has been developed with a helical insert (9) permanently mounted in a housing (2). Between the windings in the insert (9) there is formed a helical channel (20) for one heat exchange medium. The insert (9) is designed with a channel (10) ... | 10/12/1999 |
| 5957041 | Continuous 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 |
| 5890531 | Apparatus for the self-cleaning of process tubes Periodic self-cleaning apparatus of use in combination with a process tube which receives a process fluid therethrough such as a tubular reactor to form a looped system having a launching and receiving chamber for a cleaning device or pig which is propell... | 04/06/1999 |
| 5810073 | Scraping heat exchanger A scraping heat exchanger for continuously heating or cooling viscous or highly viscous substances, particularly shortenings, includes a product cylinder which is surrounded by the heat carrier medium and a rotatably driven shaft mounted in the product cy... | 09/22/1998 |
| 5799622 | Furnace heat exchanger tube cleaning system A furnace heat exchanger tube cleaning apparatus is described. The furnace comprises a combustion chamber for generating heated gases including combustion products, a water jacket containing a liquid to be heated and including heat exchanger tubes passing... | 09/01/1998 |
| 5662417 | Thermal stability testing apparatus The thermal stability testing apparatus includes a closed test chamber for containing a sample of material that is to be heated by an electrical heater; weight lost by the sample during the heating operation is a measure of the thermal stability of the ma... | 09/02/1997 |
| 5632159 | Cooling disk for flake ice machine A cooling disk member (12) for an evaporative refrigerant cooled flake ice machine (10) includes an axial aperture (44), a circumferential outer perimeter (25), and first and second side cooling surfaces (24). The disk member (12) includes two internal re... | 05/27/1997 |
| 5597036 | Balanced drive with radially slotted countercrank for orbital tube whip rod heat exchanger An orbital rod drive arrangement for an orbital tube whip rod heat exchanger includes a single drive plate driving a plurality of countercranks, each countercrank supporting a whip rod from its upper end within a tube and from a radially extending slot th... | 01/28/1997 |
| 5537832 | Freeze crystrallization for the removal of water from a solution of dissolved solids A freeze crystallization concentration system is disclosed for separating a liquid feed stream into a more purified liquid and a concentrate in which only a single pass through a freeze-crystallizer and ice separator is required. The crystallizer, which c... | 07/23/1996 |
| 5522236 | Rotatable refrigerating disc for ice making apparatus Rotatable refrigeration disc is of laminated construction comprising at least two layers bonded together, and has a plurality of relatively narrow internal channels therein arranged in a winding, labyrinth-like, sinuous, zigzag pattern. The channels are s... | 06/04/1996 |
| 5518067 | Scraped surface heat exchanger A scraped surface heat exchanger comprises a pair of concentric heat exchange tubes. A heat exchange medium passes through the annular chamber between the tubes and a fluid, in particular one whose viscosity increases as it passes through the heat exchang... | 05/21/1996 |
| 5513698 | Balanced drive for orbital tube whip rod heat exchanger An orbital rod drive arrangement for an orbital tube whip rod heat exchanger includes a single drive plate driving a plurality of countercranks, each countercrank supporting a whip rod from its upper end within a tube as it is driven in an orbital manner.... | 05/07/1996 |
| 5485880 | Blade system for a scraped surface heat exchanger A blade system for a scraped surface heat exchanger includes a number of blade rows which each consists of a number of successively arranged blade scrapers (1) mounted in cut-outs (15) in the surface of a rotor (4) which is mounted in a heating/refrigerat... | 01/23/1996 |
| 5462429 | Mechanical wiper for waste gas incinerator A mechanical wiper mounted within an incinerator for waste gases, such as silane, and said wiper adapted to move adjacent selected internal surface areas to remove combustion products buildup on such selected areas.... | 10/31/1995 |
| 5394708 | Auger-type ice making apparatus The present invention provides an apparatus for an auger-type ice maker comprising a generally cylindrically-shaped freezing chamber, a rotatable ice auger within the freezing chamber, and an annular compacting head at an end of the freezing cheer whereby... | 03/07/1995 |
| 5385645 | Heat transfer apparatus with positive drive orbital whip rod A heat transfer apparatus for processing a liquid continuously has a positive mechanical drive for a set of vertical whip rods each disposed in a vertical heat transfer tube. Each whip rod is free-standing on its lower end and is sufficiently flexible to ... | 01/31/1995 |
| 5311929 | Heat exchanger for dusty environment A heat exchanger for mixtures of air and solid particles, particularly for woodworking shops, poultry farms and industrial environments of the like. The heat exchanger comprises a bank of staggered tubes through which warm air is exhausted, a casing with ... | 05/17/1994 |
