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| Number | Title | Issue Date |
| 7131282 | Defrosting The present invention relates to an apparatus and method for defrosting an absorption refrigerator comprising the steps of determining a defrost start time for defrosting of the low temperature compartment and higher temperature compartment, starting the absorption ... | 11/07/2006 |
| 7048961 | Method for freezing edible marine animals Various methods useful in connection with catching and freezing fish are disclosed. Also disclosed is an immersion freezer. In preferred embodiments, fish or other items to be frozen are immersed in a cooling medium. The cooling medium comprises an organic cooling a... | 05/23/2006 |
| 7013673 | Hydrate-based desalination/purification using permeable support member Processes and apparatus are disclosed for separating and purifying aqueous solutions such as seawater by causing a substantially impermeable mat of gas hydrate to form on a porous restraint. Once the mat of gas hydrate has formed on the porous restraint, the portion... | 03/21/2006 |
| 6926521 | Method and device for treating bulk products Method and apparatus for treating, in particular cooling, bulk material which is lying on a conveying grate (10) in the form of a layer (20). The gas is passed through the grate (10) and the layer (20) from the bottom upward. The grate is... | 08/09/2005 |
| 6531173 | Preparation of food products A method of forming a food product having therein a hydrogenated fat includes contacting a spray of the product in liquid form with a cryogen so as to cool the liquid product and effect a rapid conversion of the liquid product to a solid.... | 03/11/2003 |
| 6477845 | Apparatus for air treatment and transportation of a material Apparatus for continuous treatment and transportation of a material (7), consisting of piece goods or granules of solid material, in an at least partly fluidized bed, which apparatus comprises a perforated trough bottom (5) for the material and means (3) ... | 11/12/2002 |
| 6363743 | Method for formulating particles Method for formulating particles from solutions, wherein cooling the solution down to the initial freezing point, to mix the solution under pressure with an inert medium, to expand the solution to solid, fluidable frozen particles comprising the insert me... | 04/02/2002 |
| 6180843 | Method for producing gas hydrates utilizing a fluidized bed An apparatus for producing gas hydrates includes a reactor vessel having a fluidized or expanded bed reaction zone. The reactor vessel has an upper portion and a lower portion, wherein a cross-sectional area of the upper portion is larger than a cross-sec... | 01/30/2001 |
| 5735062 | Method and means for transporting, drying and unloading lightweight particulate material A method for transporting, drying and unloading lightweight particulate material involves taking a wheeled compartment having forward and rearward ends, a bottom, and opposite sides, forming a false bottom over the bottom to create an air duct therebetwee... | 04/07/1998 |
| 5715687 | Double layer cooler A double layer cooler for particulate material has a conveyor to which separate streams of such material are delivered at spaced intervals to form lower and upper layers of material on the conveyor. As the layers move toward the discharge end of the conve... | 02/10/1998 |
| 5661983 | Fluidized bed desiccant cooling system An air conditioning system utilizes parallel fluidized bed desiccators for reducing the temperature and humidity of supply air. While one fluidized bed removes moisture from the supply air, the other is regenerated by a heated air flow. Use of the two bed... | 09/02/1997 |
| 5568734 | Double layer cooler Bulk material cooling comprises includes a conveyor having a support surface for transporting bulk material from the conveyor inlet to its outlet. A first material supply chute is provided at the inlet for depositing a quantity of relatively cool material... | 10/29/1996 |
| 5487492 | Ice cooled beverage dispenser having an integral carbonator The dispenser herein has a cold plate forming a bottom of an ice retaining bin. A bin liner is formed of two parts, a flat carbonator and a remaining U-shaped sheet metal wall structure. The carbonator and sheet metal structure when secured together form ... | 01/30/1996 |
| 5448898 | Air treatment plant for foodstuff comprising a trough with an adjustable width A foodstuff air treatment device includes a housing (1) with an elongated trough (11) for receiving the foodstuffs to be treated. The trough extends through the housing and includes a foraminated bottom (15), a first side wall (17), and a second side wall... | 09/12/1995 |
| 5447040 | Air treatment plant for foodstuff with conveyor belt periodically driven in opposite direction to the troughfeed direction An air treatment plant, e.g. a freezing plant for foodstuffs, comprises a housing (1), an elongate trough (12) provided therein for receiving the foodstuff to be treated, a heat exchanger (13), and a fan assembly (14) for producing an air flow circulating... | 09/05/1995 |
| 5438845 | Refrigeration device A refrigeration device in which a heat load is refrigerated within a refrigeration chamber. Refrigerant is supplied, preferably, from a supply of turboexpanded air employing a compressor to compress the air and a turboexpander to expand the compressed air... | 08/08/1995 |
| 5247801 | Air treatment plant and method for a flow reduction therein An air treatment plant for food is closed with the exception of an inlet and an outlet opening (3). In the plant, a pressure increase needed for circulating the treatment air tends to produce an air flow in one direction (29) through an inlet or outlet tu... | 09/28/1993 |
| 5222363 | Fluidized bed air cooling system A method and apparatus for effecting the cooling of a stream of air or gas by sublimation of dry ice particles utilizes an upwardly directed, variable velocity stream of air to maintain a supply of dry ice particles provided on a moving perforated conveyo... | 06/29/1993 |
| 5149266 | Method and apparatus for cooling hot material The invention relates to the cooling of hot, layered, granular material supported on an air permeable grate through which cooling air passes constantly. Some zones of the material layer have a higher temperature than other zones. Pulses of additional cool... | 09/22/1992 |
| 4967565 | ECS with advanced air cycle machine An advanced Environmental Control System (ECS) for use in conjunction with a turbine engine to provide conditioned, pressurized air to an enclosed space such as an aircraft cabin, as well as cooling capacity for the aircraft avionics. The ECS features a d... | 11/06/1990 |
| 4951472 | Process and apparatus for producing particulate frozen high water content food products Particulate granules of a high water content food such as cheese are frozen in a freezing chamber having a perforated bottom plate. The bottom plate is vibrated to develop an oscillating movement while simultaneously introducing a chilled gas through the ... | 08/28/1990 |
| 4952224 | Method and apparatus for cryogenic crystallization of fats A method and apparatus for converting liquid fats into solid particles for blending with dry feed ingredients comprises spraying atomized liquid fat into the upper portion of the mixing chamber while directing a plurality of fine jets of liquid nitrogen a... | 08/28/1990 |
| 4914922 | Method of temperature treating granular material A process for temperature treating a granular material such as sand by the use of ambient air moving through the material, as it drops under gravity from a screen, at a wind velocity high enough to invoke forced convection as an aid in accomplishing the t... | 04/10/1990 |
| 4714109 | Gas cooling with heat recovery Rapid cooling of a gas with simultaneous heat recovery is accomplished by directly contacting the gas with finely divided solids, and then recovering heat from the finely divided solids by passing the solids through at least two separate compartments wher... | 12/22/1987 |
| 4660385 | Frost control for space conditioning An apparatus and process for frost control for the ambient air heat exchanger of a space conditioning apparatus. The ambient air heat exchanger is immersed in a fluidized bed enhancing the heat transfer and physically reducing frost formation. In a prefer... | 04/28/1987 |
| 4493364 | Frost control for space conditioning An apparatus and process for frost control for the ambient air heat exchanger of a space conditioning apparatus. The ambient air heat exchanger is immersed in a fluidized bed enhancing the heat transfer and physically reducing frost formation. In a prefer... | 01/15/1985 |
| 4475350 | Method of making moulds In the manufacture of moulds or mould cores, refractory sand, a resin binder and a catalyst are passed into a mixer to form a freeflowing mixture from which the moulds or mould cores are made. As the sand is fed into the mixer it is cooled by contact with... | 10/09/1984 |
| 4471628 | Procedure for cooling of work pieces A procedure for cooling work pieces includes mixing solid matter in the form of microscopic particles with a low boiling liquefied gas wherein the particles are suspended therein due to their specific weight or by the turbulence in the gas.... | 09/18/1984 |
| 4461781 | Freezing of vegetables A method of freezing boiled rice or a blanched leafy vegetable in a freezer having an operating temperature from -25° C. to -50° C. characterized in that before entering the freezer, the unfrozen product is cooled and intimately mixed with from 20% to 8... | 07/24/1984 |
| 4439533 | Fluid particle backmixed cooling process A process and associated apparatus for the cooling of hot fluidized solid particles. The particles flow from a first dense phase fluidized bed into the shell side of a vertically oriented shell and tube heat exchanger where cooling occurs via indirect hea... | 03/27/1984 |
| 4434245 | Fluid particle cooling process and apparatus A process and associated apparatus for the cooling of hot fluidized solid particles. The particles flow from a dense phase fluidized bed into the shell side of a vertically oriented shell and tube heat exchanger where cooling occurs via indirect heat exch... | 02/28/1984 |
| 4422302 | Process for cooling and fluidizing In a process for cooling and fluidizing a bed of particles by passing a cryogen through the bed, said bed being first cooled to a desired operating temperature, the improvement comprising: (a) admixing a liquid cryogen and an inert gas, said gas being at ambie... | 12/27/1983 |
| 4343634 | Process for operating a fluidized bed In a process for operating a fluidized bed, wherein the bed particles have a Reynolds number of less than 20, at a predetermined cryogenic temperature comprising (i) bringing a cryogenic fluid into indirect contact with the bed; (ii) permitting the fluid ... | 08/10/1982 |
| 4301659 | Fluidized freezing Articles of food to be frozen are delivered to an article conditioning conveyor and are maintained in a fluidized state by refrigerated air flowing upwardly therethrough. The conveyor is driven forwardly but is interrupted by at least one downward steppin... | 11/24/1981 |
| 4283923 | Method of continuous freezing of food products in bulk, especially of fruits and vegetables, and an apparatus for application of the method Freezing in streams of cooled air is carried out at two stages, whereof the first one whose purpose consists in superficial preliminary freezing of the product proceeds in a fluidic bed, and the second one consisting in deep freezing proceeds on a grid co... | 08/18/1981 |
| 4281521 | Fluidized freezing Articles of food to be frozen are delivered to an article conditioning conveyor and are maintained in a fluidized state by refrigerated air flowing upwardly therethrough. The conveyor is driven forwardly but is interrupted by at least one downward steppin... | 08/04/1981 |
| 4231227 | Prill tower rake Apparatus and method for cooling and collecting prills at the bottom of a prill tower including a fluidized prill bed and a rake rotatable therethrough.... | 11/04/1980 |
| 4211015 | Method and apparatus for making novel particulate compositions An improved method and apparatus is disclosed for producing frozen particulate compositions from liquid feedstock. A continuous stream of liquid feedstock is passed through an orifice and into a liquid freezant without the orifice contacting the freezant.... | 07/08/1980 |
| 4186566 | Modified wire mesh conveyor belt for air fluidization type food freezers Non-uniformity of air fluidization freezing of food particles on a wire mesh conveyor belt caused by variations in food particle layer thickness or in layer permeability over the working area of the belt is minimized by the presence of uniformly spaced ai... | 02/05/1980 |
| 4177647 | Air slide freezer system A method and system for preparing comestibles for frozen storage in which pressurized freezing air is utilized in conjunction with a substantially flat conveyance surface, both to aid in or contribute to the conveyance of the packages or containers as wel... | 12/11/1979 |
