Patents Examined by Theophil W. Streule, Jr.
  • Patent number: 4202409
    Abstract: A heat exchange unit for use in an air conditioning system having an enclosure defining an opening, a heat exchanger within the enclosure and a cover adapted and mounted to the enclosure at the opening, the cover having segments extending between the center portion of the cover and the end surface such that slots are created between adjacent segments. The segments have inclined louver sections such that the air flow through the grille is optimized with the particular fan characteristics. The fan and fan motor may be secured to the center portion of the cover.
    Type: Grant
    Filed: March 23, 1978
    Date of Patent: May 13, 1980
    Assignee: Carrier Corporation
    Inventors: Peter L. Cann, Richmond S. Hayes, Jr., Lester N. Miller
  • Patent number: 4197907
    Abstract: In a shell and tube heat exchanger including a floating tube sheet to which a floating head is connected during assembly of the exchanger, the floating head is supported in the required position adjacent the tube sheet during the assembly operation by means of a supporting member extending outwardly from the face of the tube sheet.
    Type: Grant
    Filed: April 5, 1978
    Date of Patent: April 15, 1980
    Assignee: Exxon Research & Engineering Co.
    Inventor: Hosea E. Smith
  • Patent number: 4197906
    Abstract: Apparatus for joining a sheet to a structural member angled therefrom which includes forming an indented portion in the sheet as well as a slot such that a clip having a tail section, a body section and a head section may be inserted such that the tail section extends through the slot and the head section extends beyond the end of the sheet such that the head section and the tail section are on one side of the sheet and the body section is on the same side of the sheet as the indented portion. The clip head has a screw opening such that a screw may be inserted through the member to which the sheet is to be joined into the clip head. Upon tightening the screw a support surface on the clip tail engages the sheet at the slot and the screw threads engage the interior surface of the indented portion of the sheet thereby securing the sheet to the screw and consequently the member through which the screw extends.
    Type: Grant
    Filed: March 23, 1978
    Date of Patent: April 15, 1980
    Assignee: Carrier Corporation
    Inventors: Brad G. Leech, Richmond S. Hayes, Jr.
  • Patent number: 4192373
    Abstract: A system for detecting leaks in a duplex tube heat exchanger. A tube sheet is provided with a plurality of straight bores passing laterally through the tube sheet, a number of channels connecting with each bore, each of the channels communicating with an annular space between the inner and outer walls of a duplex tube and an elongated probe adopted to be inserted into each of said bores to communicate with one of the channels and thereby be used to detect which, if any, of the duplex tubes is leaking.
    Type: Grant
    Filed: October 31, 1977
    Date of Patent: March 11, 1980
    Assignee: Foster Wheeler Energy Corporation
    Inventor: Walter Wolowodiuk
  • Patent number: 4191247
    Abstract: This invention relates to a heat exchanger in which a medium flowing from a distribution header to a collection header is fed to the tube bundle through a plurality of pipes and subheaders and then gathered from the tube bundle into the collection header through a second plurality of subheaders and pipes. The subheaders are thin-walled, flexible, box-like members that can accommodate the expansions and contractions of the tubes in the tube bundle.
    Type: Grant
    Filed: May 27, 1977
    Date of Patent: March 4, 1980
    Assignee: B.V. Machinefabriek Breda v/h Backer & Rueb
    Inventor: Jacobus C. Versteeg
  • Patent number: 4190103
    Abstract: For supporting and cooling the reverse surfaces of belts in apparatus for continuously casting metal strip between such belts, means enclosing the reverse surface of a belt includes a multiplicity of guiding faces that are distributed closely both crosswise and lengthwise of the belt to define an intended belt path, and that have nozzle openings through which liquid coolant is projected against the belt, rapidly flowing out in a layer over the guiding face and being withdrawn at localities close to all of the guiding faces. The belt, which may be forced toward the faces to stabilize it in its desired path, thus rests on a layer of rapidly moving liquid coolant, which affords efficient heat removal and an essentially complete liquid bearing, such apparatus and procedure being also deemed applicable to cooling other surfaces.
    Type: Grant
    Filed: September 20, 1977
    Date of Patent: February 26, 1980
    Assignee: Alcan Research and Development Limited
    Inventors: Olivo G. Sivilotti, David E. Steer, Thomas A. C. Stock
  • Patent number: 4187902
    Abstract: Disclosed is an apparatus for exchanging heat with liquid material and particularly liquid material under superatmospheric pressure. A preferred embodiment of the apparatus comprises a pressure vessel for holding a body of the liquid material, and having an inlet and an outlet for the liquid material. Inside the vessel is an integral tube assembly for conducting heat exchange fluid into, through and out of a body of the liquid material in the vessel. The tube assembly comprises a heat exchange fluid feed header, a heat exchange fluid discharge header, and a plurality of heat transfer tubes from the feed header to the discharge header. In a preferred embodiment of the apparatus, the headers are coaxially aligned with a normally vertical axis, and are vertically spaced apart. The headers are joined to conduits passing through the top and bottom of the vessel. These conduits in combination with the vessel support the tube assembly.
    Type: Grant
    Filed: October 13, 1971
    Date of Patent: February 12, 1980
    Assignee: Hercofina
    Inventors: Clarence S. Miller, Jr., Richard A. Hager
  • Patent number: 4186797
    Abstract: A dual-belt system for cooling a continuous layer or strip of a product. A treatment zone is formed by co-extensive runs of two endless steel belts, which are mounted upon end rolls and are positioned in predetermined relationship. The coolant liquid exerts the desired pressure on the layer of the product to insure the proper heat-exchange relationship between the product and the coolant. The cooling liquid is supplied to headers having a belt run as one wall, and variations in the thickness of the layer of the product do not change the pressure exerted on the product.
    Type: Grant
    Filed: April 21, 1977
    Date of Patent: February 5, 1980
    Assignee: Sandco Limited
    Inventors: Manfred Guttinger, Konrad Schermutzki
  • Patent number: 4183403
    Abstract: A heat exchanger has a number of corrugated plates arranged one above the other with spaces between them. The two fluids between which heat is to be exchanged flow in counter-flow relationship in alternate spaces between the plates. The plates are arranged so that the flow passages between them are of constant width across the whole flow-section of the heat exchanger, and spacers are mounted on some of the corrugations to maintain the plates the correct distance apart.
    Type: Grant
    Filed: September 17, 1975
    Date of Patent: January 15, 1980
    Inventor: Terence P. Nicholson
  • Patent number: 4182413
    Abstract: An annular heat exchanger assembly is described which is particularly suited for structurally self supporting installation in a vapor generator associated with a nuclear reactor. The assembly includes parallel inlet and outlet header conduits interconnected by a multiplicity of helical tubes, adjacent portions of these tubes being tied together to increase structural integrity of the annular tube bundle formed by the helical tubes. Various baffles are employed as necessary to promote uniform flow of a heating fluid over the tubes in the tube bundle, preferably in a radial direction of flow.
    Type: Grant
    Filed: December 23, 1976
    Date of Patent: January 8, 1980
    Assignee: General Atomic Company
    Inventor: John A. Kissinger
  • Patent number: 4178991
    Abstract: The heat exchanger element is constructed with radially disposed walls so as to sub-divide the element into flow zones with alternating zones carrying first and second heat-exchange media. The alternating zones convey the media in opposite directions to carry out the heat exchange. The walls may be of flat shape disposed in a radial pattern or may be formed of corrugated plates interspaced between flat walls.
    Type: Grant
    Filed: October 6, 1976
    Date of Patent: December 18, 1979
    Assignee: Sulzer Brothers Ltd.
    Inventor: Hans Bieri
  • Patent number: 4176709
    Abstract: A stack-type heat exchanger having a complementary fan section in attached communication with a heat exchanger tube section, the fan section forcing incoming air through heat exchanger tubes having a damper plate at or adjacent their output ends to generate a positive air pressure in the tubes at a value above and in excess of the pressure of vented stack gases passing through the heat exchanger tube section chamber from and to lower and upper portions of said stack.
    Type: Grant
    Filed: February 6, 1978
    Date of Patent: December 4, 1979
    Inventor: Willard L. Johnson
  • Patent number: 4173997
    Abstract: Modular bundles of U-shaped tubes having primary fluid conduits with compression seals which cooperate with a pair of transversely disposed parallel support plates to allow removal and replacement of the modular tube bundles to facilitate maintenance and extend steam generator life in pressurized water reactors.
    Type: Grant
    Filed: February 23, 1977
    Date of Patent: November 13, 1979
    Assignee: Westinghouse Electric Corp.
    Inventors: Harry N. Andrews, Robert F. Barry
  • Patent number: 4172495
    Abstract: The invention relates to a slurry-cooled helmet and to a head-cooling system. The helmet includes a hollow shell within which is positioned a plurality of tubes connected between an inlet and a discharge manifold. The manifolds are respectively connected to inlet and outlet means in the helmet shell.
    Type: Grant
    Filed: August 3, 1977
    Date of Patent: October 30, 1979
    Assignee: Energy Systems Corporation
    Inventors: William H. Zebuhr, Kenneth E. Mayo, Charles R. Fink
  • Patent number: 4172493
    Abstract: In a temperature control system for container vehicles, a refrigerant circuit has the customary compressor, condenser, expansion valve and evaporator. The compressor and condenser are together in one module while the expansion valve and evaporator are together in another module. The compressor is hydraulically driven. Heat for temperature control purposes can be obtained from the energy of the hydraulic fluid by means of a restrictor in the hydraulic fluid circuit.
    Type: Grant
    Filed: January 3, 1977
    Date of Patent: October 30, 1979
    Assignee: Petters Limited
    Inventor: Clifford A. Jacobs
  • Patent number: 4172494
    Abstract: An air transfer system for conveying air from the heater-air conditioner of a vehicle to the interior of an accessory such as a camper, trailer, and the like attached to the vehicle. The air transfer system includes a main conduit that is attached at one end to the air spreader of the heater-air conditioner of the vehicle to receive conditioned air therefrom. In one embodiment, the main conduit is positioned under or over the front seat of the vehicle and the other end of it passed through a hole in the back window of the vehicle and mounted to an adaptor positioned adjacent a hole in the front window of the camper. In two of the embodiments, the ends of the main conduit have collars that are slideably receivable within adaptors mounted to the air spreader and the window of either the vehicle of the camper. A third embodiment has a collar mounted around the main conduit adjacent its second end.
    Type: Grant
    Filed: May 25, 1977
    Date of Patent: October 30, 1979
    Inventor: Cecil C. Saulters
  • Patent number: 4171014
    Abstract: The tank wall is provided with a cylindrical collar in which a perforated tube base is mounted; the base having a set of tubes passing through in gas-tight relation. A thin sheet metal membrane is secured peripherally on the tube base to form an enclosed gas-tight chamber through which the tubes pass. The membrane is also perforated to permit passage of the tubes in a gas-tight relationship. The enclosed chamber permits monitoring of the imperviousness of the connections between the tubes and the tube base.
    Type: Grant
    Filed: June 30, 1975
    Date of Patent: October 16, 1979
    Assignee: Sulzer Brothers Limited
    Inventor: Hermann Straub
  • Patent number: 4170263
    Abstract: In a heat exchanger or similar apparatus using a tube bundle, the tubes are located within a jacket and are connected into a tube sheet. An annular reinforcing member secures the tube sheet to the jacket laterally enclosing the tube bundle. The reinforcing member consists of an inner part and an outer part which can be a unitary member or separate parts welded together. The outer part forms a continuation of the jacket and has a greater thickness than the jacket. The inner part extends radially outwardly from the circumferential periphery of the tube sheet to the outer part and has a frusto-conical shape extending outwardly from at least one of the face surfaces of the tube sheet transversely of its radial direction.
    Type: Grant
    Filed: September 26, 1977
    Date of Patent: October 9, 1979
    Assignee: Deggendorfer Werft und Eisenbau GmbH
    Inventors: Walter Laber, Rudolf Vogl, Wolfgang Fahrnschon
  • Patent number: 4167212
    Abstract: A device which is positionable within a flue for recapturing heat from hot gases exiting the flue. The device comprises a pair of tubes which are disposed in parallel relation longitudinally of the flue. The tubes are formed from cylindrical tubes which have been flattened from a circular to a generally oval cross-sectional configuration. A shield is positioned longitudinally between the two tubes for radiating against the tubes, heat which contacts the shield by convection.
    Type: Grant
    Filed: June 30, 1977
    Date of Patent: September 11, 1979
    Assignee: Midland-Ross Corporation
    Inventor: Arvind C. Thekdi
  • Patent number: RE30302
    Abstract: An apparatus having a substantially uniformly heated surface is provided for heat exchange purposes, such as use in the printing of textile web materials. The apparatus comprises a cylindrical, rotatable drum including narrowly spaced inner and outer concentric shells defining an annular flow space, and provided with alternating partitions and baffles extending longitudinally within that flow space, thus providing approximately U-shaped flow paths, having entrance and exit legs, for the circulation of a suitable heat-transfer medium, such as hot oil therethrough. The apparatus also includes a centrally disposed concentric tubular conduit, or central feed passage, coaxial with the cylinder or drum, for supply and return of the heat-exchange medium.
    Type: Grant
    Filed: October 16, 1978
    Date of Patent: June 10, 1980
    Inventor: Peter Stanislaw