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| Number | Title | Issue Date |
| 4168030 | Waste heat utilization system Power generating plants discharge steam or hot water typically from a steam turbine to a condenser system for the purpose of cooling the discharged fluid prior to its being recirculated. The condenser system receives water from an ambient source pumped us... | 09/18/1979 |
| 4163470 | Industrial technique An illustrative embodiment of the invention has a group of three concentrically disposed banks of helical steam generator tubes. Shrouds interposed between each of these three tube banks establish liquid barriers between the individual banks that prevent ... | 08/07/1979 |
| 4161212 | Pneumatically controlled wide heat load space radiator A three way valve selectively charges or discharges gas under pressure within the annular gaps between a series of transversely extending longitudinally spaced radiator tubes fixed to a radiator panel to control waste heat rejection and coaxial inner tube... | 07/17/1979 |
| 4159740 | Direct expansion jacket for horizontal dough mixers Apparatus for cooling dough in a mixer comprising a multi-section direct expansion jacket provided on the main sheet and both end walls of the mixing bowl, the jacket providing a flow path for liquid coolant progressively increasing in cross-sectional are... | 07/03/1979 |
| 4148357 | Heat exchanger matrix for recuperative heat exchange among three media and modular heat exchangers combining a plurality of such matrices Two identically folded strips enclose an intermediate space accessible at e edges of the strip, and the fold cavities opening to the outside of the strip structure are closed off at the strip edges and covered by outside cover plates over their central po... | 04/10/1979 |
| 4144934 | Arrangement for changing the temperature of fluids which form incrustations A fluid medium is conveyed along a conduit. During its passage through the conduit, the fluid medium undergoes temperature change. The change in temperature of the fluid medium is performed in a step-wise manner by indirect heat-exchange with a fluid flow... | 03/20/1979 |
| 4143619 | Heat exchanger for superheating steam The heat exchanger comprises an outer cylindrical casing and an inner cylindrical sleeve coaxially mounted therein. Dry superheated steam circulates in the jacket between the outer casing and the inner sleeve, and may be extracted at any convenient point ... | 03/13/1979 |
| 4142577 | Cooling device for a liquid-cooled semiconductor power component Cooling device for a liquid-cooled semiconductor power component of the type having a disc cell formed with two main contact surfaces and electrical and thermal pressure-contacting means therefor in an insulating casing, and having means for liquid coolin... | 03/06/1979 |
| 4142581 | Tube-hole structure for expanded tube-to-tube-sheet joint A tube-hole structure for an expanded tube-to-tube-sheet joint which is formed by axially moving a rod within each tube member in each tube hole of the tube sheet by external drive means, thereby imparting an elastic mass placed inside the tube with a suf... | 03/06/1979 |
| 4142578 | Heat exchanger impingement protection The tubes adjacent the shell inlet in a shell-and-tube heat exchanger or similar device are protected against erosion by the incoming shell-side fluid by tube shields which are fixed at one end to a tube sheet or baffle and slidably supported at the other... | 03/06/1979 |
| 4141409 | Condenser header construction There is disclosed herein an improved multipass condenser construction having provisions therein which allow the condensate formed from each pass through the core portion thereof to by-pass substantially all of the remaining core portions thereby promotin... | 02/27/1979 |
| 4140172 | Liners and tube supports for industrial and chemical process equipment Thin liners and tubes of special metals and alloys such as tantalum bonded to substrates or mounted in support plates of metallurgically dissimilar metals and alloys such as mild steel by an elastomer such as a silicone or fluoro elastomer. Also a shock a... | 02/20/1979 |
| 4140177 | Protective grid and structural support for a radiator A protective grid and structural support for a radiator having opposed tanks and a recessed core includes a grid assembly configured to be disposed within a recess. The grid assembly has a continuous substantially rigid frame and a plurality of outwardly ... | 02/20/1979 |
| 4140175 | Vertical counterflow heat exchanger apparatus A counterflow heat exchanger is described with two sets of heat exchanger passages separated by heat exchanger plates disposed in substantial parallelism within the exchanger and supported so that the passages extend substantially vertically. The heat exc... | 02/20/1979 |
| 4139054 | Plate-fin heat exchanger An apparatus of the heat exchanger type embodying a plurality of plates arranged in spaced parallel relation with one another to define a stack of exchanger plates. The stack of plates are arranged to define fluid and vapor passages with separators being ... | 02/13/1979 |
| 4137964 | Controllable heat transmission apparatus A controllable heat-transmission device, herein called a thermic device, uses temperature changes to modulate heat flow between two regions. A fluid, in thermal contact with both regions, varies its non-radiative heat transfer in response to the temperatu... | 02/06/1979 |
| 4137966 | Simulation oven An oven with temperature-independent sections permits objects placed within t to experience the uneven heating and temperature gradient problems associated with real life conditions. The number of sections can vary depending on the gradients desired.... | 02/06/1979 |
| 4136735 | Heat exchange apparatus including a toroidal-type radiator Heat exchange apparatus including a toroidal-type radiator having radially extending cooling air passage-ways formed through the core thereof, a rotary fan positioned radially inwardly of the radiator core, and fan shroud means shaped and positioned with ... | 01/30/1979 |
| 4136734 | Feedwater heater The feedwater heater of this invention comprises a plurality of heating tubes arranged in U form, with feedwater being passed therethrough, a feedwater inlet chamber having a feedwater inlet for introducing feedwater thereinto and a tube plate assembling ... | 01/30/1979 |
| 4135575 | Tube wall made of tubes which extend parallel to one another and horizontal to inclined A tube wall made of tubes extending parallel to one another and horizontally to inclined, which are provided with opposite fins on the longitudinal edges of which adjacent tubes are welded gas-tight to one another. The fins are formed as a continuous band... | 01/23/1979 |
| 4135573 | Heat shielding tool A heat shielding tool is disclosed, having a pair of opposed pivotally connected handles terminating in a pair of opposed jaws. The jaws have interiorly relieved arcuate areas so that, when closed, they will form a circle so that the circular opening form... | 01/23/1979 |
| 4134450 | Surface condenser with vertically separated tube bundles The system for condensing gases such as steam includes a housing with a gas inlet. At least one vertical column of vertically spaced separate tube bundles are in the housing. A separate water conduit is connected to the inlet of each of the separate tube ... | 01/16/1979 |
| 4132264 | Plastic heat exchange tube A plastic heat exchange tube for use in combination with large dry and wet/dry type cooling towers. The tube includes a tubular center portion around which an open ended channel portion spirals over substantially the entire length thereof, with the open e... | 01/02/1979 |
| 4132356 | Solar heating for home use A system for using solar heat to supplement the heat supplied by a conventional furnace in a house. Solar energy collector panels include conduits for the flow of water, the conduits heating water in a cistern. Heated water from the cistern is pumped thro... | 01/02/1979 |
| 4131155 | Reversible heat exchanger or regenerator systems A heat exchanger or regenerator system useable in an air separation plant to minimize infiltration of air into the low pressure nitrogen stream comprising a heat exchanger (regenerator) having at least one flow path for the reversing heat exchange fluids,... | 12/26/1978 |
| 4131156 | Fan shroud An improved fan construction for use with engines utilizing circulating coolant and radiators, including a shaft adapted to be mounted on an engine or the like, a sheave journalled on the shaft, and fan blades carried by the sheave and rotatable therewith... | 12/26/1978 |
| 4129179 | Apparatus for utilization of waste energy A gaseous source of waste energy, including heat, is passed through a gas to liquid heat exchanger and then a chiller to agitate a water bath and produce evaporation of water for cooling. The heated transfer liquid is passed through a heat exchanger to he... | 12/12/1978 |
| 4129181 | Heat transfer surface The invention relates to improving the heat transfer properties in boiling liquids of tubes and other surfaces by applying a very porous reticulated organic foam layer in contact with the tube surface, and then plating a thin metal coating on the foam sub... | 12/12/1978 |
| 4129180 | Vapor condensing apparatus There is disclosed apparatus which includes an air-cooled condenser having main and vent portions for use in condensing steam or other vapors containing non-condensibles such as air at a pressure near or below atmospheric, a pot into which condensate from... | 12/12/1978 |
| 4125147 | Method for continuously maintaining a radiator free of debris A method for continuously maintaining a radiator free of debris comprises steps of rotating an endless and perforated belt about the radiator and simultaneously twisting the belt 180° during each rotation thereof to form a "mobius strip" whereby the fron... | 11/14/1978 |
| 4124993 | Refrigeration machine A method and apparatus for the generation of cooling or heating by using a centrifuge type heat exchanger wherein the refrigerant during heat addition undergoes a pressure increase. The apparatus where heat is added is a rotary heat exchanger with the ref... | 11/14/1978 |
| 4125148 | Method for utilization of waste energy A gaseous source of waste energy, including heat, is passed through a gas to liquid heat exchanger and then a chiller to agitate a water bath and produce evaporation of water for cooling. The heated transfer liquid is passed through a heat exchanger to he... | 11/14/1978 |
| 4125154 | Vessel for salt melts, particularly for modifying the properties of objects of glass, vitrocrystalline material or stoneware A vessel for a molten substance for modifying the properties of objects of glass and similar materials, comprises an inner vessel and an outer vessel with an annular space defined therebetween, an elastic tongue connecting the inner vessel and the outer v... | 11/14/1978 |
| 4124066 | Radiator shutter for arctic vehicles A shutter mechanism for an engine radiator comprising a series of rigid pus tubes having elastomeric sleeves secured thereto. Introduction of pressurized fluid (e.g. compress air or engine coolant) into the porous tubes pressurizes the spaces between the... | 11/07/1978 |
| 4124064 | Consolidated nuclear steam generator This invention relates to an improved system of providing power having a unique generating means of the nuclear reactor variety adapted with a plurality of steam generators in the form of replaceable modular units of the expendable type for the attainment... | 11/07/1978 |
| 4124068 | Heat exchange tube for fluidized bed reactor Liquid containing heat transfer tube for use in a fluidized bed reactor is protected against erosive effects of the fluidized medium by having radially outwardly extending fins on its outer surface and by having the entire outer surface area between the f... | 11/07/1978 |
| 4122823 | Tubeless heat recuperator This invention provides a method and apparatus for transferring heat to a cooler gas from a hotter gas which contains tri-atomic molecules with good infra-red energy absorption characteristics, for example CO2. The hotter gas is passed in a fir... | 10/31/1978 |
| 4121656 | Header In a heat exchanger for condensing a gas by passage through vertically spaced heat exchange tubes, flooding of the lower tubes is prevented. A return flow header includes nested baffles which define isolated flow channels connecting one or more predetermi... | 10/24/1978 |
| 4120351 | Heat exchange panel with improved header A heat exchange panel possessing a system of internal tubular passageways connecting opposed headers, said headers defining an angle of at least 91° with respect to the direction of flow of heat exchange medium passing therethrough, wherein said headers ... | 10/17/1978 |
| 4120352 | Device for connecting exchanger tubes to perforated plates A device for sealingly connecting the end of a glass tube to the edge of a hole in a rigid plate including a resilient ring with a axial half-section in the shape of a flattened Z, said ring being made up of two cylindrical sleeves which partly enclose on... | 10/17/1978 |
