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| Number | Title | Issue Date |
| 8176746 | Vacuum food preservation system A refrigerator includes a cabinet defining an open storage space and including a door with an exterior side and an interior side adapted to receive a modular component. The modular component includes a base removably connected to the interior side and has a first ed... | 05/15/2012 |
| 7866178 | Device and method for vacuum-sealing a cooling medium A device and a method for vacuum-sealing cooling medium is to allow a work piece being vacuumed for the cooling medium being introduced into the work piece. The device provides a first passage, a second passage, a sucking unit, a cooling medium supply unit and a sea... | 01/11/2011 |
| 7866179 | Compact heat pump using water as refrigerant Disclosed is a compact heat pump using water as refrigerant, including a casing having a first and second end sections and an intermediate section located therebetween, with an evaporator located at the first end section, configured for containing said water and all... | 01/11/2011 |
| 7841201 | Heat pump that evaporates water as a working liquid to generate a working vapor A heat pump including an evaporator for evaporating water as a working liquid so as to produce a working vapor, the evaporation taking place at an evaporation pressure of less than 20 hPa. The working vapor is compressed to a working pressure of at least 25 hPa by a... | 11/30/2010 |
| 7360371 | Refrigerating device comprising an evacuatable storage compartment A refrigerating device including a hollow-walled housing surrounding a first and a second storage compartment. A vacuum pump is controllably connected via a suction line to the hollow chamber of the housing and to one of the storage compartments. The pump is control... | 04/22/2008 |
| 7349824 | Method and system for evaluating the efficiency of an air conditioning apparatus The applicant describes a system and methods of calculating the overall operating efficiency of an air conditioning chiller that evaluates efficiency of the component parts of the chiller and generates an overall efficiency based on these component efficiency values... | 03/25/2008 |
| 7331163 | Refrigerator with integral vacuum sealer The present invention is a vacuum packaging system that is comprised of a very convenient vacuum pump and canister-sealing device that is an integral component of a refrigerator. The device is comprised of: 1) one or more external vacuum hose input ports or retracta... | 02/19/2008 |
| 7328591 | Jet ejector system and method According to one embodiment of the invention, a jet ejector method includes providing a primary jet ejector having a primary inlet stream, coupling one or more secondary jet ejectors to the primary jet ejector such that all of the jet ejectors are in a cascaded arra... | 02/12/2008 |
| 7325409 | Vacuum storage apparatus with sliding drawers An apparatus for storing, preserving and dispensing perishable and degradable food and goods having a rigid housing. At least one modular unit is removably disposed in the rigid housing for holding items. The modular unit has a storage unit and a drawer constructed ... | 02/05/2008 |
| 7251944 | Vapor-compression evaporation system and method According to one embodiment of the invention, a vapor-compression evaporation system includes a plurality of vessels in series each containing a feed having a nonvolatile component. A first set of the plurality of vessels includes vapor-compression evaporators and a... | 08/07/2007 |
| 7162880 | Cooling apparatus, systems and methods The present invention is directed toward a method, apparatus and system for cooling goods, such as, for example, agricultural products, in a substantially sealed chamber. A method of the invention includes placing goods on a surface; forming a chamber over the goods... | 01/16/2007 |
| 7159407 | Atomized liquid jet refrigeration system A system for controlling temperature includes an atomizer that forms micron-sized hydrogen-bonded refrigerant droplets within a chamber. A vacuum pump is coupled to the chamber to lower its interior pressure. Under these conditions, the refrigerant droplets evaporat... | 01/09/2007 |
| 7150299 | Assembly and method for containing, receiving and storing fluids and for dispensing gas from a fluid control and gas delivery assembly having an integrated fluid flow restrictor A fluid control and gas delivery assembly and method for containing, receiving and storing hazardous fluids and for dispensing gas comprising a container, a fluid fill path, a gas dispensing path, a first shut-off valve, a pressure reducer, a fluid flow restrictor, ... | 12/19/2006 |
| 7124580 | Sub-zero condensation vacuum system A pre-condenser is provided for condensation of water at sub-zero degree Celsius temperatures. A brine solution is cooled below 0 degrees Celsius and delivered to the pre-condenser. The brine solution contacts the vapors and gases from a scrubber, thereby condensing... | 10/24/2006 |
| 7107780 | Vacuum-breaking valve for a refrigerated compartment A vaccum-breaking valve comprising: a tubular body (10) mounted through one of the walls (P) of the cabinet (G) and having inner (11) and outer (12) ends, a valve seat (15) defining a fluid communication between the inside and the outside... | 09/19/2006 |
| 7093455 | Vapor-compression evaporative air conditioning systems and components Novel vapor compression evaporative cooling systems which use water as a refrigerant are provided, as are methods for using same. Also provided are novel compressors, compressor components, and means for removing noncondensibles useful in such cooling systems. ... | 08/22/2006 |
| 7013916 | Sub-atmospheric gas delivery method and apparatus An apparatus for containing and delivering hazardous gases at sub-atmospheric pressure from a pressurized container is provided which includes a valve body in sealed communication with an outlet orifice of the pressurized container. The outlet orifice of the pressur... | 03/21/2006 |
| 7000419 | High-efficiency gas temperature/humidity controlling device and controlling method The present invention has an object to comprise an apparatus for high efficiency gas temperature and humidity adjustment and an adjustment method allowing to elevate the heat exchange efficiency of a cooling coil, reduce the cooling water quantity, lower also the pi... | 02/21/2006 |
| 6955196 | Vacuum insulated refrigerator cabinet and method for evacuating the gas-tight insulated wall thereof A vacuum insulated refrigerator cabinet comprises a substantially gas-tight container that is filled with a porous core and a gas absorber that communicates with said container and is filled with a gas adsorbent material. Between the container and the gas absorber t... | 10/18/2005 |
| 6902755 | Method and apparatus of chilling slurries and liquids A method and apparatus for rapidly chilling liquid or slurried food products through a two-stage sequence of jacket cooling followed by vacuum chilling. Slurry and liquid food products heated in a batch are chilled by first employing a chilled liquid flowing through... | 06/07/2005 |
| 6755043 | Condenser with integrated deaerator In cooling plants which work with water as both primary and secondary coolant, it is customary for use to be made of both an evaporator and a condenser which must be supplied wi5th water in the form of e.g. a spray for achieving an effective heat exchange, and out o... | 06/29/2004 |
| 6684658 | Vapor-compression evaporative air conditioning systems and components Novel vapor compression evaporative cooling systems which use water as a refrigerant are provided, as are methods for using same. Also provided are novel compressors, compressor components, and means for removing noncondensibles useful in such cooling sys... | 02/03/2004 |
| 6508065 | System and a process for supplying fluid in hermetic circuits The invention is a system and process for supplying fluid in hermetic circuits. The type of hermetic circuit is identified, and based upon this identification, vacuum and fluid supply conditions that are predetermined for the type of circuit are applied. ... | 01/21/2003 |
| 6329005 | Rapid cooling of sealed package Rapid cooling apparatus including a vacuum chamber, a vacuum pump in fluid communication with the vacuum chamber for decreasing pressure in the vacuum chamber, a heat-transfer fluid disposed inside the vacuum chamber, and a substance generally sealed in a... | 12/11/2001 |
| 6311510 | Vapor condenser with high efficiency for use in vacuum apparatus Refrigerant cooling coils inserted within a passage of brine in a heat exchanger are so deformed into a shape of flat elliptical cylinder that long axis of ellipse is parallel to a condensing surface, and a side or two sides of a pair of flat faces formed... | 11/06/2001 |
| 6158233 | Vacuum insulated refrigerator or freezer cabinet The walls of a refrigerator or freezer cabinet comprise an inner shell (20) of plastic, an outer shell (22) of plastic and an evacuated heat insulation (28) between the shells. The cabinet is permanently provided with a vacuum pump (30), which keeps the i... | 12/12/2000 |
| 6145321 | Method and apparatus for cooling an aqueous liquid A method of cooling an aqueous liquid, which method comprises the steps of: a) placing said aqueous liquid in a vessel; b) reducing the pressure in said vessel to cause said aqueous liquid to boil; c) condensing at least some of the liquid in the vapour created as ... | 11/14/2000 |
| 6116030 | Vacuum pump and propellant densification using such a pump A vacuum pump of the steam-ejector type uses steam generated by the combustion of hydrogen and oxygen. The mass of ejected steam is increased, and the temperature of the ejected steam is reduced, by injection of water into the combustion product. Propella... | 09/12/2000 |
| 6090422 | Refrigerator with automatic vacuum compartment and method of preserving fresh food items using the same A refrigerator (10) includes a vacuum cabinet (20) which includes a vacuum compartment (42) and an open top drawer (34) in the vacuum compartment. When the refrigerator door is closed, a rotary spool (75) of the air control valve (70) is moved to a positi... | 07/18/2000 |
| 6054165 | Process and apparatus for cooling high-viscosity sauces containing ingredients in the form of solid pieces The invention relates to a process and an apparatus for cooling high-viscosity sauces containing ingredients in the form of solid pieces. To develop a virtually continues process while preserving the ingredients in piece form as much as possible, accordin... | 04/25/2000 |
| 6038869 | Method and apparatus for making spherical ice particles A method and apparatus for generating uniformly sized spherical ice particles. The apparatus comprises a water feed pump, a vacuum chamber connected to the water feed pump and having a water spray nozzle, boosters discharging the vapor from the vacuum cha... | 03/21/2000 |
| 5928699 | Apparatus and method for rapid cooling of liquids Apparatus for rapid cooling of a liquid to be cooled including a heat exchanger including a housing for containing a cooling liquid, a plurality of cooling conduits traversing the housing in thermal contact with the cooling liquid and defining a cooling c... | 07/27/1999 |
| 5906102 | Cryopump with gas heated exhaust valve and method of warming surfaces of an exhaust valve A cryopump having a cryopump chamber includes a purge gas valve coupled to the cryopump chamber for supplying a first quantity of warm gas to the cryopump chamber in order to purge the cryopump chamber during regeneration. A roughing valve couples the cry... | 05/25/1999 |
| 5839289 | Multi-step pressure reducing apparatus and method The air pressure within a part of an appliance (e.g., a refrigeration pipe of an air conditioner unit) is reduced as the part is conveyed on a conveyor. This pressure reduction is accomplished by connecting a first end of a vacuum hose to the part, and th... | 11/24/1998 |
| 5829258 | Multi-step pressure reducing method and apparatus The air pressure in a part of an appliance (e.g., a refrigeration pipe of an air conditioner unit) is reduced as the part is conveyed on a conveyor. This is accomplished by means of a vacuum pump which is connected to the part by a hose. The pressure redu... | 11/03/1998 |
| 5744696 | Thermal isolation system in a chromatograph Sample analysis in a portable analytical instrument, preferably in the form of a gas chromatograph, benefits from temperature control of one or more thermal zones in the instrument by way of a thermal isolation system that includes a novel pumping assembl... | 04/28/1998 |
| 5740680 | Deodorizing reinforced container for low pressure, low temperture and humidified storage A deodorizing reinforced container includes: a housing having an outer shell lined with thermally insulative lining on an inside surface of the outer shell, and an inner shell defining a storing chamber within the inner shell; a plurality of reinforcing r... | 04/21/1998 |
| 5551246 | Centrifugal liquid separator and defoamer A centrifugal liquid separator and defoamer for use in a vacuum cooling system including a cooling vessel having a vessel interior for containing a liquid to be cooled, and a vacuum system for applying a vacuum to an interior of the vessel, through a vess... | 09/03/1996 |
| 5537833 | Shielded cryogenic trap A cryogenic trap is shielded by a floating baffle array which is insulated from ambient temperature. The cryogenic trap includes a baffle array which is suspended by conductive braid from split cylinders. The split cylinders are cooled by respective close... | 07/23/1996 |
| 5520008 | Centrifugal compressor and heat pump comprising A lightweight, heavy duty, large volume centrifugal compressor for use in mechanical vapor compression systems, especially water vapor compression systems in heat pump installations, said compressor comprising a shaft driven propeller-like rotary member c... | 05/28/1996 |
