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Match Document Document Title
7600316 Heat exchanger and a method of manufacturing a heat exchanger  
A heat exchanger ( 10 ) comprises a first sheet ( 12 ), a second sheet ( 14 ) and an additional sheet ( 30 ). The first and second sheets ( 12, 14 ) are wound around an axis (X), each sheet ( 12,...
7597136 Heat exchanger with helical flow paths  
A heat exchanger includes a body 4 on the surface of which are provided helical or spiral paths 5 which will provide multiple and turbulent flow paths A for a first fluid such as water which is...
7594596 Fluid product dispensing valve and fluid product dispensing device comprising same  
A fluid-dispenser valve ( 10 ) comprising a valve body ( 11 ), and a valve member ( 12 ) slidable in said valve body ( 11 ) between a rest position and a dispensing position, said valve ( 10 )...
7572627 System of processing mixed-phase streams  
Heat transfer in non-turbulent highly viscous mixed-phase flowing streams can be improved by altering flow characteristics using spiral-shaped elements to eliminate boundary phenomena. The...
7490658 Internally grooved heat transfer tube for high-pressure refrigerant  
An internally grooved heat transfer tube for a cross fin tube type heat exchanger of a refrigerating air-conditioning water supply apparatus using a high-pressure refrigerant, wherein an...
7367380 Coil type turn-fin condenser  
Disclosed herein is a turn-fin condenser. The turn-fin condenser employs a turn-fin tube adhesively wound in a spiral shape around an outer surface of the tube in which refrigerant flows. The...
7322403 Heat exchanger with modified tube surface feature  
A heat exchanger includes a shell that has an inner chamber defined by an inside wall surface. A tube stack disposed within the inner chamber and includes a plurality of flat elongated tubes that...
7311137 Heat transfer tube including enhanced heat transfer surfaces  
The invention relates to enhanced heat transfer surfaces and methods and tools for making enhanced heat transfer surface. Certain embodiments include a boiling surface that include a plurality of...
7287580 Heat exchanger  
A heat exchanger having an active surface over which a fluid flows to affect an exchange of heat between the active surface and the fluid. In some embodiments, the active surface includes a...
7267166 Grooved tubes for heat exchangers that use a single-phase fluid  
Grooved metal tubes, with a groove-bottom thickness T f and outside diameter De, internally grooved with N helical ribs having an apex angle α, height H, base width L N , and helix angle β, two...
7254964 Heat transfer tubes, including methods of fabrication and use thereof  
An improved heat transfer tube, an improved method of formation and an improved use of such a heat transfer tube is disclosed. The heat transfer tube includes an outer surface with a plurality of...
7243500 Heat exchanger and temperature control unit  
Systems and methods for heat exchange in accordance with the invention define adequately long-interchange distances for two fluids by wrapping a tube containing a first fluid about the wall of an...
7096934 Heat exchanger  
A heat exchanger having an active surface over which a fluid flows to affect an exchange of heat between the active surface and the fluid, the active surface having a curvature which conforms...
7096931 Increased heat exchange in two or three phase slurry  
Ribbed heat exchange tubes in which the aspect ratio of the ribs is less than 5, provide greater indirect heat exchange than conventional heat exchange tubes with or without fins, when used in a...
7093650 Heat conduction pipe externally covered with fin member  
It is an object of this invention to obtain a heat conduction pipe superior in corrosion resistance as well as heat exchange efficiency between fluid flowing respectively through an inside and an...
7080634 EGR cooler  
An EGR cooler has tubes and a shell for enclosing the tubes. Cooling water is supplied into and discharged from the shell and exhaust gas from a diesel engine is guided into each of the tubes so as...
7048043 Reversible grooved tubes for heat exchangers  
Grooved metal tubes ( 1 ), of outer diameter De, the tubes being grooved internally with N helical ribs ( 2 ) of an apex angle α, height H, base width L N and helical angle β, two consecutive...
6913074 Method of making an internal grooved tube  
A method of manufacturing an internal grooved tube according to the present invention includes the steps of inserting a grooved plug into a blank tube rotatably, and then pressing the blank tube...
6913073 Heat transfer tube and a method of fabrication thereof  
A metallic heat transfer tube, in particular for the evaporation of liquids from pure substances or mixtures on the outside of the tube. Fins are integrally formed on the outside of the tube....
6904768 Absorption-type air conditioner system  
An absorption-type air conditioner system using lithium bromide solution as absorbent is provided, which has a small volume and compact structure. The system includes upper vessel 26 , lower...
6883597 Heat transfer tube with grooved inner surface  
An improved heat transfer tube and a method of formation thereof. The inner surface of the tube has a primary set of fins and an intermediate sets of fins positioned in the areas between the...
6872070 U-tube diffusion flame burner assembly having unique flame stabilization  
A U-tube diffusion flame burner assembly having improved flame stabilization with no undesirable acoustic effects. The burners are axial units comprised of flame holders and combustors. The flame...
6843273 Gilled pipe  
The invention relates to a method for producing gilled metal pipes. According to the method, at least one continuous, gill-forming strip is applied to a rotating pipe body at a tangent and unwound...
6820440 Absorption-type air conditioner core structure  
An absorption-type air conditioner core structure is provided, which uses lithium bromide solution as absorbent and has a small volume and compact structure. The air conditioner core structure...
6783352 Wax liquid temperature control device of wax injector  
A wax liquid temperature control device of a wax injector is disclosed. In this device, a coal oil heat exchanger controls the temperature of the coal oil in a predetermined range. Then, the coal...
6751983 Air conditioning unit with an inner heat transfer unit  
The invention relates to an air conditioning unit with a coolant circuit which consists of a compressor, an evaporator, a collector located at the low pressure side between the evaporator and the...
6722420 Internally finned heat transfer tube with staggered fins of varying height  
A heat transfer tube with a finned inner surface is divided into at least two zones (Z 1 to Z m ) in a peripheral direction. The fins extend at an angle of inclination α with respect to the...
6719953 Process for the manufacture of olefins by a pyrolysis furnace with an internally finned U shaped radiant coil  
The present invention is directed towards a fired heater for heating a process fluid that uses U tubes provided with increased internal heat transfer surface to reduce tube metal temperatures and...
6684938 EGR cooler  
An EGR cooler including a flat box shell having an inlet for introducing cooling water and an outlet for discharging the cooling water, plates positioned at axial open ends of the shell to close...
6662860 Heat transfer pipe for liquid medium having grooved inner surface and heat exchanger employing the same  
In a heat transfer pipe, annular grooves in a direction inclined at an angle of 45° to 90° with respect to an axis of the pipe are continuously formed at an interval in a longitudinal direction...
6655451 Heat transfer tube for falling film type evaporator  
A heat transfer tube for a falling film type evaporator, in which water spreading characteristics, particularly the water spreading characteristics in the tube axis direction, enhancing the heat...
6533030 Heat transfer pipe with spiral internal ribs  
This invention relates to a pipe ( 1 ) having several internal ribs ( 2, 3, 4 ) having a spiral twist, where the ribs run with rotational symmetry with the longitudinal axis ( 5 ) of symmetry of...
6488078 Heat-exchanger tube structured on both sides and a method for its manufacture  
The invention relates to heat-exchanger tubes structured on both inner and outer sides with excellent heat-transfer characteristics, which have recesses on the outside and ribs with specific...
6457516 Heat transfer tube for evaporation with variable pore sizes  
The invention relates to a heat-transfer tube, in particular an evaporator tube, with fins circumferentially extending on the shellside, which fins are shaped to essentially closed-off channels....
6439301 Heat Exchangers  
The invention relates to a heat exchanger, which includes a pipe, heat conductive fins having an elongate cross-section, and a coating of silver applied to the outer surface of the fins and the...
6434972 Air conditioner with internal heat exchanger and method of making same  
The invention relates to an air conditioner with a refrigerant loop containing a compressor, an evaporator, an accumulator positioned on the low-pressure side between the evaporator and the...
6419885 Pyrolysis furnace with an internally finned U shaped radiant coil  
The present invention is directed towards a fired heater for heating a process fluid that uses U tubes provided with increased internal heat transfer surface to reduce tube metal temperatures and...
6412549 Heat transfer pipe for refrigerant mixture  
To provide a high heat transfer performance with a heat transfer pipe used to a condenser and an evaporator in a refrigerating cycle using a refrigerant mixture, the heat transfer pipe includes...
6399031 Continuous flow reactor having a plurality of alternating bends  
A curved tubular flow reactor designed for carrying out chemical reactions continuously, for preparing mixtures and as a liquid-phase heat exchanger comprises a plurality of successive bends having...
6340050 Internally grooved heat exchanger pipe and metal bar working roll for internally grooved heat exchanger pipes  
An internally-grooved heat exchanger tube according to the present invention is structured such that the internal surface is divided into a plurality of continuous areas (W 1 , W 2 ) parallel to...
6336501 Tube having grooved inner surface and its production method  
A tube having a grooved inner surface capable of achieving high condensing performance and high evaporating performance even in a region of a small flow rate of a refrigerant and preferable as a...
6308775 Heat exchanger tube  
The exchanger tube has a smooth outside surface and a structured inside surface. The inside surface is formed from parallel primary and secondary ribs that run at an angle with respect to the...
6302194 Pipe with ribs on its inner surface forming a multiple thread and steam generator for using the pipe  
A pipe includes a pipe wall having an inner wall surface. Ribs are disposed on the inner wall surface forming a multiple thread. The ribs define a mean inside pipe diameter and the ribs have a lead...
6293335 Method and apparatus for optimizing heat transfer in a tube and shell heat exchanger  
A tube and shell heat exchanger having a transversely oriented inlet port and a spirally coiled heat transfer tube contained within an arcuate chamber created by an internal baffle in which the...
6284110 Method and apparatus for radio frequency isolation of liquid heat transfer medium supply and discharge lines  
A passive first-order band reject, or notch, filter characteristic is introduced into a supply and/or return line (18, 20) of a heat transfer system (12) that uses electrically conductive liquid...
6234245 Aero curve fin segment  
A new type of segmented fin 12 for use on a finned tube 18, the unique type of finned tube 18 that is created with the new type of segmented fin 12, specialized serrating wheels 14 and 16 for...
6227699 Spiral cut honeycomb body for fluid mixing  
A honeycomb article has longitudinal channels extending from one face to a second face. A portion of the honeycomb is removed by cutting away a helical slot that depthwise extends from the outer...
6176302 Boiling heat transfer tube  
In boiling heat transfer tube, fins 2 are provided on an outer surface of the tube body 1 in a manner such that the fins 2 each extend in a peripheral direction of the tube and a direction inclined...
6176301 Heat transfer tube with crack-like cavities to enhance performance thereof  
A heat transfer tube having an inner surface provided with a dense pattern of polyhedrons having crack-like cavities on at least two surfaces of a single polyhedron, forming three-dimensional...
6173763 Heat exchanger tube and method for manufacturing a heat exchanger  
There is disclosed a heat exchanger tube for conducting refigerant in a heat exchanger. The inner surface of the tube has a convex portion having a broad tip and a plurality of inner fins. The area...
Matches 1 - 50 out of 282 1 2 3 4 5 6 >