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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 4848447 | Tube-type heat exchanger and liquid distributor head therefor A tube-type heat exchanger has the tube ends substantially flush with the upper tube sheet and liquid is distributed to the tubes through distributor heads which are sealed and therefore provide gas cushions absorbing volume changes in the tubes.... | 07/18/1989 |
| 4844153 | Heat exchanger A helical flow heat exchanger comprises a hollow casing with an outwardly protruding helical trough which defines a helical flow path along the internal periphery of the casing. The casing has an inlet at one end for introducing fluid tangentially into th... | 07/04/1989 |
| 4844151 | Heat exchanger apparatus A heat exchange apparatus which is particularly applicable for use in vehicles such as aircraft subject to high gravitational forces. A core provides superposed fluid flow paths extending longitudinally of the roll axis of the aircraft between opposite en... | 07/04/1989 |
| 4842055 | Heat exchanger A heat exchanger of vertical type in which fluid flows vertically downwardly comprises a cylindrical outer shell which is approximately divided by upper and lower tube plates into an upper plenum, a lower water passage, and an intermediate heat exchanging... | 06/27/1989 |
| 4831844 | Condenser with improved flow path A condenser for an air conditioning system has a tube and fin design. The tubular flow path divides into two parallel paths at the condenser inlet. The two paths combine at a junction at a point about two thirds of the distance to the outlet. A single pat... | 05/23/1989 |
| 4825941 | Condenser for use in a car cooling system A condenser adapted for use in the car cooling system, the condenser comprising a pair of headers provided in parallel with each other; a plurality of tubular elements whose opposite ends are connected to the headers; fins provided in the air paths betwee... | 05/02/1989 |
| 4814044 | System for treating heavy hydrocarbon-water mixture In a technique for recovering hydrocarbon values from a heavy hydrocarbon-water mixture, the mixture is first delivered through a sub-assembly to remove solid particulates. Then the mixture is delivered through a series of heat exchanger--kettle arrangeme... | 03/21/1989 |
| 4805694 | Heat exchanger A dry expansion heat exchanger of the tube and shell type. The heat exchanger comprises a shell having a plurality of bundles of tubes therein and a pair of end bonnets on opposite ends of the shell. Secondary baffles within the bonnets subdivide the bonn... | 02/21/1989 |
| 4800954 | Laminated heat exchanger A laminated heat exchanger includes a plurality of parallel spaced tube elements with tanks at one end thereof, and fins disposed between adjacent tube elements. Each tube element has a pair of joint portions projecting from the other end thereof toward t... | 01/31/1989 |
| 4791982 | Radiator assembly A radiator designed more especially for use with IC engines comprises a bank of coolant tubes extending between two coolant heaters. The bank of tubes contains not only smaller tubes with the same bore cross section but furthermore tubes with a larger bor... | 12/20/1988 |
| 4785877 | Flow streamlining device for transfer line heat exchanges Shell-and-tube transfer line heat exchangers are disclosed, having inlet ends with a flow streamlining device comprising, in combination: flared ends, preferably in the form of hollow truncated cones, whose smaller ends are aligned with and mated to the inlet ... | 11/22/1988 |
| 4784218 | Fluid handling apparatus The invention provides fluid handling apparatus which may be heat exchange apparatus or fluid reaction apparatus. The apparatus is provided with an interrupter structure for disrupting the fluid boundary layers at the walls of the apparatus and promoting ... | 11/15/1988 |
| 4775006 | Heat exchanger, particularly a coolant evaporator A heat exchanger, particularly a coolant evaporator, is provided that has several flat pipes that are arranged parallel to one another and are each expanded at their ends with respect to a central part and are closed off by caps. The expanded ends are pro... | 10/04/1988 |
| 4750553 | Heat exchanger for cooling solid substance-containing gas A heat exchanger for cooling solid substance-containing gases comprises a plurality of heat exchanging tubes through which gases flow. An intake nozzle of a trumpet-shaped configuration is coaxially mounted on and connected to the end portion of each heat... | 06/14/1988 |
| 4735609 | IV fluid warmer This fluid warmer includes a disposable pouch and a pouch warmer assembly. The pouch has an inlet and an outlet and in between there is a plurality of ribs which are so arranged as to force equal flow across the bottom heating area of the pouch. The pouch... | 04/05/1988 |
| 4735263 | Flow control device for heat exchanger tube The flow control device for a steam circulating heat exchanger tube (2) comprises an insert (4), secured in the tube by expansion in a zone (9) near the end of the exchanger tube or of the tube sheet (1) orifice provided in lieu of said tube, and an orifi... | 04/05/1988 |
| 4727907 | Turbulator with integral flow deflector tabs A turbulator for insertion in a heat exchange pipe in the form of a flattened hollow cylindrical metal tube with adjacent flats offset by 90° and separated by integral tubular transition portions of generally triangular plane configuration. An elongated ... | 03/01/1988 |
| 4724904 | Nuclear steam generator tube orifice for primary temperature reduction An orifice insert for placement in nuclear steam generator tubes comprises a sleeve having a top end, a bottom end located in use in the vicinity of the opening of the steam generator tube, and a longitudinal axis. An orifice is disposed in and extends th... | 02/16/1988 |
| 4697634 | Device for fixing a perforated sheet against the perforated tube plate of a heat exchanger A device for fixing a perforated sheet (8) against the perforated tube plate (1) of a heat exchanger having a bundle of tubes (4, 5), the perforated sheet (8) controlling the rate of fluid flow along the tubes, and the device comprising hollow pins (10) i... | 10/06/1987 |
| 4693084 | Charge cooler angle duct An angle duct for connecting, through a curved elbow section, a turbocharged engine charge cooler with oblong ends with a turbocompressor outlet or a manifold inlet having compact cross sections. The duct has tapered diffusing or expanding end sections en... | 09/15/1987 |
| 4689513 | Eddy current brake cooling An eddy current brake has a particular cooling system which alleviates overheating of the brake and its individual components. Cooling conduits comprising a plurality of parallel flow lines are disposed close to the heated components and the arrangement i... | 08/25/1987 |
| 4679529 | Steam generator feed water heater A steam generator feed water heater comprises a pressurized enclosure inside which is a heat exchanger through which the feed water is caused to flow. There is at least one horizontal condensate inlet tube, as well as at least one condensate outlet tube a... | 07/14/1987 |
| 4670103 | Fluid handling apparatus The invention provides fluid handling apparatus which may be heat exchange apparatus or fluid reaction apparatus. The apparatus is provided with an interrupter structure for disrupting the fluid boundary layers at the walls of the apparatus and promoting ... | 06/02/1987 |
| 4665975 | Plate type heat exchanger A plate-type heat exchanger wherein a plurality of flat plates are stacked in face-to-face relationship and diffusion bonded together. The plates are formed within their respective thicknesses with channels forming heat-exchange zones through which fluid ... | 05/19/1987 |
| 4641705 | Modification for heat exchangers incorporating a helically shaped blade and pin shaped support member A tube-and shell double-pipe or liquid-air fin type heat exchanger, which offers a high level of thermal energy transfer efficiency, incorporates a rotary blade to disrupt a fluid film on surfaces of each tube, and is of uncomplicated design and construct... | 02/10/1987 |
| 4609039 | Counterflow heat exchanger The disclosed invention relates to a counterflow type heat exchanger composed of plural heat exchange units characterized by unique inlet and outlet headers. Each header has an end face providing an opening to the header interior and a closed end face, bo... | 09/02/1986 |
| 4607689 | Reheating device of steam power plant A reheater for a steam power plant generally comprises a tube plate, a header including a high-temperature chamber and a low-temperature chamber defined outwardly of the tube plate, and a number of heat-exchanger tubes bent into U-shapes, both ends of whi... | 08/26/1986 |
| 4602682 | Heat exchanger A heat exchanger has upper and lower plenums which communicate with each other via heat transfer tubes. A downwardly-extending tube used to introduce secondary sodium coolant into the lower plenum extends among the heat transfer tubes and is fastened to t... | 07/29/1986 |
| 4596287 | Flow distributor for a heat exchanger A heat exchanger assembly comprises a plate-shaped heat exchanger having a plurality of flow channels each having an inlet end through which heat transferring fluid is introduced for passing through the flow channels in a flow direction and an inlet chamb... | 06/24/1986 |
| 4593754 | Shell and tube heat transfer apparatus and process therefor Shell and tube heat transfer apparatus and a corresponding process of heat transfer employ a fluid flow consisting of non-turbulent boundary-layers adjacent the inner and outer heat exchanger surfaces of the tubes and a non-turbulent core-layer between th... | 06/10/1986 |
| 4589480 | Plate heat exchanger Plate heat exchanger having mainly rectangular plates mounted in a frame. According to the invention the plates (6, 8) are arranged in at least two groups, the plates having port holes of one size being arranged in one group, while plates having port hole... | 05/20/1986 |
| 4584987 | Heating system using wood as the principal source of energy A high efficiency fireplace with effective heat recovery capability for heating purposes and for heat storage. A fireplace boiler made of interconnected heat exchanger elements using sheet metal stamping technology, preferably corrugated metal stamped pan... | 04/29/1986 |
| 4577681 | Heat exchanger having a turbulator construction A heat exchanger for a combustion unit having particular use with a water heater. The heat exchanger includes a plurality of generally parallel tubes disposed in a water heater tank in contact with the water to be heated and waste gases of combustion pass... | 03/25/1986 |
| 4573526 | Steam generator flow control device A flow control device for providing a substantially uniform and vortex-free inflow and distribution of feedwater to a steam generator having a tube bundle for a primary fluid disposed in a shell provided in the feedwater inlet nozzle including a diffuser ... | 03/04/1986 |
| 4564066 | Perforate bearing plate for turbulators in heat exchangers A tube-and shell double-pipe or liquid-air fin type heat exchanger, which offers a high level of thermal energy transfer efficiency, incorporates a rotary blade to disrupt a fluid film on surfaces of each tube, and is of uncomplicated design and construct... | 01/14/1986 |
| 4562884 | Heat-exchanger arrangement An arrangement for exchanging heat between the environment and a heat-transfer fluid, especially a solar heat absorber, includes a plurality of heat exchange elements which are provided with external fins and have internal flow-through passages for the fl... | 01/07/1986 |
| 4557324 | Serpentine type evaporator In a serpentine type evaporator comprising a serpentine tube provided therein with a plurality of coolant conduits and corrugated in a zigzag pattern, fins interposed between opposed outer surfaces of said serpentine tube, an inlet side header pipe connec... | 12/10/1985 |
| 4546610 | Prevaporizing combustion method Time dependent fluctuations in a low pressure drop heat exchanger can be prevented by incorporating an improvement into the heat exchanger and practicing a method relating to the pressure drop across the heat exchanger tubes. The improvement comprises an ... | 10/15/1985 |
| 4524823 | Heat exchanger having a helical distributor located within the connecting tank Disclosed is a heat exchanger comprising a plurality of parallel tubes and a plurality of ribs transverse to the tubes, and at least one connecting tank into which the tubes open. To obtain with simple and cost effectively produced means a uniform distrib... | 06/25/1985 |
| 4513587 | Evaporator particularly suitable for air conditioners in automotive vehicles Disclosed is an evaporator comprising a connector member, a Venturi distributor connected to the connector member for receiving and distributing a coolant, wherein the Venturi distributor divides the coolant into a plurality of streams, a plurality of cha... | 04/30/1985 |
