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| Number | Title | Issue Date |
| 7350560 | Heat exchangers The invention concerns a heat exchanger with a large number of U-shaped tubes (3), preferably brought together to form at least one tubular bundle and arranged in a housing 2, and several partitions (4) subdividing the housing (2) into se... | 04/01/2008 |
| 7293759 | Access space cover lifting device A cover lifting device for lifting a cover having two spaced lifting holes includes an elongate lever, a lifting hook affixed to one end portion for engagement with one hole, a sleeve freely slideably mounted between lever ends and another lifting hook, a flexible e... | 11/13/2007 |
| 7263859 | Process and apparatus for cooling a stream of compressed air Process and apparatus for cooling a compressed gas stream which utilizes one or more elongated vessels having a substantially vertical orientation. Each vessel has one compartment for indirect heat exchange between the compressed gas stream and a cooling stream and ... | 09/04/2007 |
| 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 |
| 7096666 | Air-cooled condensing system and method An air-cooled condenser has a first stage comprising both a K and a D section with fin tubes fed with steam at both ends, and a second stage comprising a D section. Each core tube in the first stage has at least one extraction channel at the trailing edge of the cor... | 08/29/2006 |
| 7074259 | Method and apparatus for thermal degassing In a process for thermally degassing the water in a steam system, in particular a heat recovery steam generator, which steam system preferably includes at least one steam drum, at least one economizer connected upstream of it, and at least one evaporator, economic, ... | 07/11/2006 |
| 7072180 | Gas collecting device, test head and IC device testing apparatus A heating element cooling cover 5 for covering IC devices 44 mounted on a substrate 4, wherein a coolant is circulated to be able to contact the IC devices 44, and a groove 54 (bypath) is provided for an air and the coolant to flow... | 07/04/2006 |
| 6935417 | Solution heat exchanger for absorption refrigerating machine The present invention relates to a solution heat exchanger used for performing heat exchange between a dilute solution and a concentrated solution in a solution passage of an absorption refrigerating machine. The solution heat exchanger (H) comprises a plate type he... | 08/30/2005 |
| 6843309 | Condenser A condenser includes a cooling section having a plurality of vapor passages to convert vapor into water, a blower for drawing water produced in the vapor passages out of the vapor passages, and a recovery section for receiving the drawn-out water. Thus, the water pr... | 01/18/2005 |
| 6799124 | Method of optimizing risk informed inspections of heat exchangers A probabilistic method for optimizing the inspection of a heat exchanger that determines the maximum number of degraded tubes that can be permitted to remain in service for a contemplated interval of time without exceeding an allowable probability of a tube burst, b... | 09/28/2004 |
| 6588499 | Air ejector vacuum control valve The present invention comprises a method and device for deterring the freezing within a condenser by preventing critical pressure differentials from building up between the exhaust steam header and the air ejector systemy. The means for regulating pressur... | 07/08/2003 |
| 6582667 | Shell-and-tube reactor A shell-and-tube reactor has a plurality of reaction tubes incorporated therein, a circulation path for the heating medium formed outside the reaction tubes, a heating medium introducing section provided on the upper part of the shell in the reactor and a... | 06/24/2003 |
| 6332494 | Air-cooled condenser An air-cooled condenser includes an upper header for distributing a vaporous medium to be condensed, a lower header for collecting condensate, spaced finned tubes with outer fins, the finned tubes being connected in parallel between the upper header and t... | 12/25/2001 |
| 6070655 | Heat exchanger A heat exchanger, for use in particular in connection with the process outlets at paper, pulp and board mills, including substantially parallel tubes or equivalent arranged in a duct. An air flow that delivers heat passes through the tubes and an air flow... | 06/06/2000 |
| 6041852 | Condenser The present invention provides a condenser which is free from pressure loss of air stream due to an air exhaust pipe and loss of thermal energy, and which is compact. In the condenser according to the present invention, deflector plates 27b are disposed i... | 03/28/2000 |
| 6026889 | Single shell boiler An improved single shell boiler is provided. The single shell boiler includes a closed vessel for containing a liquid heat transfer medium, with the liquid heat transfer medium having a surface. A first bundle of heat source tubes is located in the closed... | 02/22/2000 |
| 5810074 | Serial heat exchanger and cascade circuitry A serial heat exchanger. The heat exchanger comprises a serial passage extending from an inlet to an outlet and a plurality of vapor liquid separators extracting vapor from the passage.... | 09/22/1998 |
| 5794686 | Steam condenser In a steam condenser in which the steam is condensed on tubes (13) through which cooling water flows and which are combined in separate banks (20), each bank (20) being subdivided into compartments (10) by supporting plates (5) arranged perpendicularly to... | 08/18/1998 |
| 5765629 | Steam condensing apparatus with freeze-protected vent condenser A two-stage steam condenser that prevents freezing from occurring in the tube rows by continual purging of the tube rows. Such continual purging prevents any steam from back-flowing into a tube row thereby eliminating the possibility that condensate or no... | 06/16/1998 |
| 5732766 | Method and apparatus for the treatment of gas streams Gas at elevated temperature from a compressor (50) is fed to a first cooling coil (14) and thence to a second cooling coil (18) in chamber (16). The cooled gas at line (20) enters a chamber (22) where water and oil (if present) separate. A contaminant-fre... | 03/31/1998 |
| 5509466 | Condenser with drainage member for reducing the volume of liquid in the reservoir The condenser has a condenser shell with a reservoir portion, condenser tubes for cooling vapor flowing over the condenser tubes to condense the vapor to a liquid, and subcooler tubes in a subcooler compartment for cooling liquid within the reservoir port... | 04/23/1996 |
| 5426941 | Vapor condensation and liquid recovery system A vapor condensation and liquid recovery system is provided where a turbine chamber is connected to a multi-chambered condensation unit. Each chamber of the condensation unit has a valved inlet port and a valved outlet port. The valved inlet ports of each... | 06/27/1995 |
| 5423377 | Condenser for a steam turbine and a method of operating such a condenser In the operation of a main steam condenser of a steam turbine driven by a boiler and having a gland steam condenser, the gland steam condensate is normally fed from the gland steam condenser into the main condenser condensate. To avoid contamination of th... | 06/13/1995 |
| 5355943 | Vacuum steam condensing plants using air as the cooling fluid A condensing plant (10) comprises a steam receiving inlet manifold (11) connected to one end of tube nests (14) externally grazed by air for therein achieving the at least partial steam condensation. At their opposite end the tubes (14) are gathered into ... | 10/18/1994 |
| 5201366 | Process and equipment for the preheating and multi-stage degassing of water Equipment for the three-stage preheating and degassing of make-up water by means of steam in a power generation installation comprises, in a first stage, a mixing chamber (3) which is located on the outside wall (2) of the condenser of the power generatio... | 04/13/1993 |
| 5154227 | Jet condenser A jet condenser of the type comprising a water chamber in a mixing chamber (24) and an after-cooler (52), wherein the water chamber is subdivided in a narrower upper water chamber portion (38a) and a broader lower water chamber portion (39b). The after-co... | 10/13/1992 |
| 5145000 | Steam condensate storage tank with non-freezing feature A condensate storage tank assembly comprises a tank section having a condensate outlet at a lower end thereof. An upwardly enlarged steam chamber is connected to the upper end of the tank section and receives a condensate drain line which extends from the... | 09/08/1992 |
| 5119635 | Method of a means for purging non-condensable gases from condensers Condenser fluid comprising vaporized working fluid and non-condensable gases is treated by extracting fluid from the condenser and pressuring the fluid to liquefy the vaporized working fluid therein in such a way that the noncondensable gases are separate... | 06/09/1992 |
| 5067559 | Diffuser screen for sparger nozzle A method and apparatus for diffusing a liquid condensate return stream in an industrial steam condenser to reduce erosion and corrosion on the condenser structure. One or more diffuser screens are located intermediate a sparger nozzle and a condenser stru... | 11/26/1991 |
| 5025854 | Apparatus for inspection and/or repair of tubes discharging into a chamber of a heat exchanger An apparatus for the inspection and/or repair of tubes discharging into a chamber of a heat exchanger includes a tube sensor. A manipulator provides remote-controlled positioning of the tube sensor. A plurality of mouthpieces disposed on the manipulator i... | 06/25/1991 |
| 5020589 | System for removing uncondensed products from a steam turbine condenser A steam condenser system for a turbine, which system includes: a condenser having an outlet for conveying uncondensed products out of the condenser; an exhauster having a housing, an inlet connected between the housing and the condenser outlet, and exhaus... | 06/04/1991 |
| 4967833 | Steam condenser In a steam condenser in which the steam is condensed on tubes which are grouped together in separate nests (2) and through which cooling water flows, the tubes, arranged in rows, of a nest enclosing a hollow space (13), a cooler (14) for the non-condensab... | 11/06/1990 |
| 4958679 | Condenser for the water-steam loop of a power plant, in particular a nuclear power plant A condenser for the water-steam loop of a power plant includes a condensate-filled lower portion. A heating pipe system is disposed in the lower portion and nozzles are disposed on the heating pipe system through which heating condensate or heating steam ... | 09/25/1990 |
| 4592419 | Condenser A condenser for a steam turbine expels the oxygen-containing gas residing in the condensate passage in the hot well thereof by a scavenging steam. The oxygen-containing gas is expelled by the scavenging gas, which is introduced into the atmosphere in the ... | 06/03/1986 |
| 4585054 | Condensate draining system for temperature regulated steam operated heat exchangers A system for draining condensate from a temperature regulated, steam operated heat exchanger. A buffer tank having a volume at least equal to that of the steam compartment is connected to the steam side of the heat exchanger, and a drain line extends from... | 04/29/1986 |
| 4461244 | Vertical, collector-type high-pressure feed water preheater, with desuperheater and a device for separating the steam and water phases A steam duct (5) enclosing the preheater tube-bundle (6) leads, upwards, from the desuperheater box (2) and via a deflecting quarter-bend (9), opens into a flat steam-distribution duct (8). The heating steam flows from this distribution duct (8), through ... | 07/24/1984 |
| 4353726 | Method and apparatus for preheating pulverous materials prior to their introduction into a melting furnace The present invention relates to method and apparatus for preheating pulverous materials, such as glass batch constituents, prior to their introduction into a melting furnace to increase the efficiency and output of the melting installation. The pulverous... | 10/12/1982 |
| 4324051 | Process and apparatus for recovering heat from finely to coarsely divided material having high temperature A process and an apparatus for recovering heat from a finely to coarsely divided hot material, such as carbide crushed on solidification, which contains particles and lumps of varying sizes. The hot material is separated by a classifier into a portion of ... | 04/13/1982 |
| 4310342 | Method and apparatus for preheating pulverous materials at reduced pressure prior to their introduction into a melting furnace The present invention relates to method and apparatus for preheating pulverous materials, such as glass batch constituents, prior to their introduction into a melting furnace to increase the efficiency and output of the melting installation. The pulverous... | 01/12/1982 |
| 4303434 | Method and apparatus for preheating pulverous materials prior to their introduction into a melting furnace The present invention relates to method and apparatus for preheating pulverous materials, such as glass batch constituents, prior to their introduction into a melting furnace to increase the efficiency and output of the melting installation. The pulverous... | 12/01/1981 |
