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Class 165/156 - Helical conduit means


Subclass of Class 165 - Heat exchange
Definition: Apparatus with means forming a helical flow path in the
No. of patents: 152
Last issue date: 01/11/2011


      4  
NumberTitleIssue Date
4364754Apparatus for separating foreign matter from a gas with a heat exchanger
A gas cleaning and heat transfer apparatus associated with a cooking hood assembly to separate foreign matter from gas moving through the hood assembly and transferring heat from the gas to a liquid. The apparatus has a plurality of gas cleaning and heat ...
12/21/1982
4354548Device for heating liquid for one or several washer systems
A device for heating liquid for one or several washer systems. The present invention relates to a device for heating liquid for one or several washer systems, e.g. a wind screen washer system, a head lamp washer system, a rear screen washer system, etc, includ...
10/19/1982
4351389Heat exchanger apparatus
A heat exchanger apparatus has a center pipe and an outer pipe formed with spiralling grooves attached to the outside of the center pipe. The outer pipe grooves are pressed against the center pipe to form a spiralling passageway around the center pipe bet...
09/28/1982
4333525Heat exchanger for use with heat pipe
A heat exchanger jacket having a substantially tubular body portion is adapted to surround portion of a fluid containing pipe. Two fluid conduits on opposite sides, and connected adjacent opposite end portions, of the body portion lie non-radially in rela...
06/08/1982
4314397Method of making a solar heat exchanger
A solar liquid-to-liquid heat exchanger, method of making the same, and hot water heating apparatus employing same are provided wherein such heat exchanger is comprised of a first tubular member made of a heat conductive tube material and having a plurali...
02/09/1982
4304292Shower
For a shower for a household, dormitory or the like, which typically has a limited volume of boiler-heated water available for use, the cold water input to the shower is passed in heat exchange with the discharging tepid water to thereby convert same to a...
12/08/1981
4286975Chimney heat exchanger
A heat exchanger for installation on the top of a chimney of a building includes a housing having a lower end receiving the top of the chimney and an upper end with openings permitting the escape of effluent from the chimney and a heat exchanger assembly ...
09/01/1981
4286653Coaxial tube in tube heat exchanger with inner tube support
A coaxial tube in tube heat exchanger has at least one fluid tight connection for holding the outer tube, inner tube and a terminal connector in assembled position, and a support insert fixedly disposed in the inner tube for operative alignment with the f...
09/01/1981
4286140Apparatus for raising a liquid to a given temperature
An apparatus for raising a liquid to a given temperature and for controlling and regulating this temperature has a vertical cylindrical enclosure, a vertical tube housing a heating resistor, and a first and a second ferrule located in this order between t...
08/25/1981
4284133Concentric tube heat exchange assembly with improved internal fin structure
A heat exchanger formed by concentric, spaced tubes defining a substantially annular chamber therebetween. There is an internal metallic fin comprising a strip of corrugated sheet metal extending spirally within the annular chamber with the adjacent turns...
08/18/1981
4278126Heat exchanger for furnace flue
A heat exchanger comprising an elongated tubular housing having an inlet at one end and an outlet at its other end is secured around and spaced from the furnace flue by a plurality of plates secured around the furnace flue. The plates are provided with ap...
07/14/1981
4275289Uniformly cooled plasma etching electrode
A planar electrode (17) having a plurality of concentric channels (34--34) therein through which coolant fluid passes to cool the electrode during a plasma etching process. The coolant is directed through at least two of the adjacent channels in opposite ...
06/23/1981
4266603Heat exchangers and method
A heat exchanger preferably having spirally shaped cooling passages is described. The heat exchanger has the walls of the cooling passages formed first by two jaws spaced apart. The ends of the jaws are then joined together to form the fluid passage. The ...
05/12/1981
4263260High pressure and high temperature heat exchanger
A heat exchanger, reactor or like apparatus capable of carrying out heat exchange, material exchange or combinations thereof, comprises a cylindrical housing formed at one end with a cover and provided internally with a cylindrical partition carried by th...
04/21/1981
4257479Heat exchanger and drain down for solar collector
A solar collector has a liquid system independent of a household hot water heater system, the two systems transferring heat in a heat exchanger. The heat exchanger has an open top inner tank enclosed in a closed outer tank, a coil connected to the hot wat...
03/24/1981
4242881Refrigeration system and thermal exchanger therefor
An improved refrigeration system, and particularly the thermal exchanger therefor, for use in chilling a circulating water supply for industrial equipment. The system includes a water container having a plurality of thermal exchangers therein, each exchan...
01/06/1981
4242001Worm extruder assembly
Worm extruder assembly includes an extruder worm, a steam dome formed as a cylindrical tube disposed transversely to the worm axis, a condenser surrounding the cylindrical tube, a steam outlet line extending from the steam dome to the condenser, and means...
12/30/1980
4231425Extracorporeal circuit blood heat exchanger
A heat exchanger is provided for use in a blood handling system whereby the blood may be selectively heated or cooled, as required by the nature and stage of the operation. The heat exchanger, in the preferred embodiment, is in the form of a cylindrical h...
11/04/1980
4228848Leak detection for coaxial heat exchange system
A system having a tube-in-tube heat exchanger comprising three coaxial tubular members fitted one within the other with manifolding at each longitudinal end of the exchanger for the circulation of fluid through the outside tubular member in a counterflow ...
10/21/1980
4218999Inline fuel heater
Disclosed herein is a device for heating fuel in water cooled diesel or gasoline burning engines for preventing performance loss due to extremely cold weather conditions. The device is comprised of a jacketed flow through tube communicating with the engin...
08/26/1980
4168745Heat exchanger
A heat exchanger comprising a refrigerant tube in coil form leading from the output side of a compressor and a water tube in coil form tapped from a source of water to be heated, the tubes being coiled together so that each coil of the water tube is inter...
09/25/1979
4165360Multi-phase flow tube for mixing, reacting and evaporating components
An apparatus for mixing, reacting and/or evaporating components in a multi-phase flow tube, comprising a helically wound tube having an inlet pipe in the closed tube periphery and a separation vessel at the end of the tube. The coiled tube is surrounded b...
08/21/1979
4090558Heat exchanging apparatus for industrial furnaces
The present invention provides a heat exchanging apparatus with a silencing means comprising: A generally upright cylindrical body, connected to the outlet of a radiant tube and made of multiple cylinders; An outermost narrow cylindrical passage of air to be h...
05/23/1978
4086959Automotive oil cooler
Submerged oil cooler for automotive vehicles requires only two pricipal parts but can provide more heat transfer at a lower pressure drop than conventional oil coolers which utilize three principal parts. In a preferred embodiment, an outer tube having a ...
05/02/1978
4061184Heat exchanger for a refrigerated water cooler
A heat exchanger takes the form of a cylindrical tank having an inlet at one end to receive an influent liquid to be chilled, an outlet at the opposite end of the tank from which the chilled liquid may be discharged. A cooling coil is wrapped around the o...
12/06/1977
4045998Temperature control system
A chromatographic analyzer for use in an explosive atmosphere is provided with a double-walled, dual passage helix heat exchanger. A heat exchange fluid, such as steam, is passed through one passage of the helix. A second fluid, such as air, is passed thr...
09/06/1977
4015567Gasoline preheater
A gasoline preheater for an internal combustion engine, comprising a coil of copper tubing through which gasoline is passed prior to supply to an internal combustion engine for combustion, said tubing coil being in tensioned contact about a copper cylinde...
04/05/1977
4009751Method of and apparatus for high intensity heat and/or mass transfer between two or more phases
Heat and/or mass transmission between two or more phases is accomplished by a helical guide for both phases inside a column flowing either in counter-current or in co-current. The phase with a higher specific mass flows within the column along a continuou...
03/01/1977
4006845Molten adhesive dispensing device
A novel handle structure, and a novel heat exchanger structure, for a hand-held adhesive gun of the type adapted to discharge a heated thermoplastic adhesive through a discharge valve located in the gun's barrel. In preferred form, the novel handle struct...
02/08/1977
3990424Oil cooler
An assembly for the control and variable cooling of combustion engine oil for jet propelled boats is built as a compact unit containing a compact double construction cooling coil and a thermal responsive valve which selectively either bypasses the coil or...
11/09/1976
3951175External internal channels in glass tubing
A method for forming integral internal channels defined by a wall with an annular cross-section inside high softening temperature glass tubing is described. In particular, a reduced pressure is provided inside a rotating tube with heating outside which so...
04/20/1976
3937495Apparatus for connecting and sealing together two lengths of cylinder barrel of a worm extruder
A ring to be interposed between the adjoining ends of two lengths of cylinder barrel of a worm extruder, each length of which comprises an inner cylindrical member and an outer cylindrical member disposed concentrically therewith with a duct for flow of h...
02/10/1976
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