With Heating Or Cooling Patents (Class 285/41)
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Patent number: 4253685Abstract: A junction for tubular elements comprising tapered and coacting male and female elements. The male element expands more than the female element which expands under conditions of use involving exposure to steam and heat to form a steam-tight joint.Type: GrantFiled: May 30, 1979Date of Patent: March 3, 1981Inventor: Nat Camp
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Patent number: 4234215Abstract: A pressure-tight, rotary pipe coupling joins rotating, high temperature fluid transmission lines. Pressure seals of the coupling are maintained at a temperature lower than that of the high temperature or primary transmitted fluid by thermally insulating the seals from the high temperature fluid and by pumping a fluid coolant through annular cavities located adjacent the seals. A balanced pressure structure substantially eliminates thrust forces between the coupling members and reduces rotating friction.Type: GrantFiled: June 5, 1978Date of Patent: November 18, 1980Assignee: E-Systems, Inc.Inventor: Lee E. Wilson
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Patent number: 4194460Abstract: A motor-propelled boat comprising a boat hull, an internal combustion engine mounted on the boat hull through a resilient mounting and adpated to drive a propulsion unit, the engine including a body and exhaust unit connected with the body, the exhaust including a first pipe rigidly connected with the body and a second pipe connected with the first pipe through a resilient connecting unit, the second pipe being further supported through a resilient support by the body of the engine.Type: GrantFiled: January 4, 1978Date of Patent: March 25, 1980Assignee: Kawasaki Jukogyo Kabushiki KaishaInventors: Masato Sato, Takemi Inoue
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Patent number: 4171832Abstract: Joints for limiting the stresses on non-ductile components and structures, and methods for fabricating such joints.Type: GrantFiled: November 16, 1976Date of Patent: October 23, 1979Assignee: International Harvester CompanyInventor: Arthur G. Metcalfe
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Patent number: 4165107Abstract: The flexible ball joint is provided with a bellows which is protectively mounted inside a shell. A portion of the shell serves as the spherical socket and a portion of a sphere serves as the ball for the ball joint. The ball is mounted in the socket and is concentric therewith. One end of the bellows is attached to the shell and the other end is attached to the ball. A plurality of generally equally angularly-spaced Purbon buttons are mounted on a support ring which is mounted on the surface of the socket. These buttons are in engagement with the surface of the ball so the ball joint can pivot freely over a wide range of temperatures. A generally spherical shell-like member is mounted in fixed and closely-spaced concentric relation to the outer surface of the spherical socket to limit axial movement between the socket and the ball and hold the Purbond button on the support ring. In addition, the shell-like member has formations shaped to define cooling channels for the protective bellows.Type: GrantFiled: November 22, 1977Date of Patent: August 21, 1979Assignee: General Connectors CorporationInventors: Stephen N. Affa, Roy E. Yorke
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Patent number: 4161647Abstract: A spigot for connecting the inlet of a low pressure casting mould to a pipeline connected to an electromagnetic pump for supplying the mould with liquid metal, the spigot being adapted to be clamped against the mould inlet, comprises a supply conduit surrounded by thermally insulating means within an external metal jacket, said conduit including a sleeve at that end to be connected to the mould inlet which is removable from the spigot in the event that metal solidifies in the sleeve, the sleeve being made of thermally insulating refractory material and being held in place, in use, by clamping the spigot to the mould inlet.Type: GrantFiled: November 29, 1977Date of Patent: July 17, 1979Inventor: Henri Carbonnel
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Patent number: 4154446Abstract: A pressure-tight, rotary pipe joint couples rotating, high temperature gas transmission lines. Pressure seals of the pipe joint are maintained at a temperature lower than that of the transmitted gas by thermally insulating the seals from the gas and by pumping a fluid coolant through an annular cavity located adjacent the seals. As an alternate to fluid cooling, a metallic member, in which the pressure seals are disposed, is cooled by means of fins which transfer heat to the adjacent air.Type: GrantFiled: January 30, 1978Date of Patent: May 15, 1979Assignee: E-Systems, Inc.Inventor: Joe D. Usry
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Patent number: 4133559Abstract: A method of electrically and hydraulically connecting a conductor bar having a plurality of hollow water-cooled conductors involves compressing the conductor bar and shims of brazing material in a connector clip formed of a pair of mating clip members. Brazing shims (strips and bands) are placed in desired positions, and then the components are heated and hydraulically compressed. The conductor bar and brazing material assembly is sized for a tight fit in one dimension, but oversized in another dimension so that compression results in a desired distribution of the molten brazing material. During compression, the clip members are secured from relative motion, other than displacement toward one another, and air is passed through the hollow conductors to prevent the accumulation of brazing material in the open ends thereof. In addition to the clip members, the connector device includes a water inlet member with a stem that is inserted between and brazed to the clip members after the compression step.Type: GrantFiled: October 31, 1977Date of Patent: January 9, 1979Assignee: McGraw-Edison CompanyInventor: David P. Davies
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Patent number: 4133095Abstract: Treatment of a steel well pipe connection involves use of an electrical coil and a cylindrical sleeve carrying the coil, and includes the steps:(a) relatively applying the sleeve to a position about the pipe connection so that the coil extends about the connection, and(b) passing electrical current through the coil to effect induction heating of the connection to temperatures within a range of between about 75.degree. F and 500.degree. F, and(c) relatively removing the sleeve from said position.Type: GrantFiled: October 6, 1977Date of Patent: January 9, 1979Assignee: Hydril CompanyInventors: George E. Lewis, Charles A. Bollfrass
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Patent number: 4128264Abstract: The fitting assembly embodies a pair of fittings, one of which is in the ure of a union having a thread on one end, a head on the other end and an axially disposed through aperture which has an enlarged central section provided with a sealing shoulder on the end. The second fitting is in the nature of a metal or plastic tube which has a locking end divided into four quarters which permits the end sections to contract when advanced into the aperture and to expand into the central opening to form an anchor and a seal with an O-ring on the tube end when compressed on the sealing shoulder. The assembled fittings may, if desired, be rotatable relative to each other so that the union can have the thread rotated, via a tool engaged with a suitable wrenching surface, in the threaded aperture to which it is to be connected and the second fitting turned to have its end mated with an element to which it is to be joined.Type: GrantFiled: January 21, 1977Date of Patent: December 5, 1978Assignee: Huron Tool & Manufacturing Division of U.S. Industries, Inc.Inventor: William G. Oldford
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Patent number: 4127286Abstract: There has been provided a coupler for joining lengths of concentric pipe. A sleeve member receives the pipes in spaced relation therein, with an end of the concentric inner pipe forward of the end of the outer pipe. A forward annular flange portion of said sleeve member is concentric with the pipes and extends radially inward as well as outward of the sleeve member. A rearward face of said flange portion faces the forward end of the outer pipe and is spaced away therefrom by a selected length of said tail portion forming an annular groove bounded by the outer pipe end and inner wall of said tail portion of the selected length and the rear face of the flanged portion. A compressible O-ring type elastomer seal is disposed in the annular groove and extends radially inward of said outer pipe. A gasket is concentrically sleeved between said O-ring seal and outer wall of the inner pipe. In compression, the O-ring seal and gasket form a circumferential seal about the inner pipe.Type: GrantFiled: October 11, 1977Date of Patent: November 28, 1978Assignee: Corning Glass WorksInventor: Peter S. Albertsen
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Patent number: 4121858Abstract: The specification describes a pipe joint suitable for fluid conducting pipework in which there are inner and outer tubes defining a jacket for fluid heating or cooling medium. The joint comprises a gasket shaped to provide continuous annular seals around the inner tube and the passageways along which heating or cooling medium flows through the joint. The gasket and the pipe flanges with which the gasket cooperates define fluid-receiving channels which are located between the sealing zones around the inner tube and the passages for the heating or cooling medium so as to receive fluid which may leak past those zones and allow it to escape radially outwardly from the joint thus preventing leaked heating or cooling medium from entering the fluid stream in the inner tube, or vice versa.Type: GrantFiled: February 24, 1977Date of Patent: October 24, 1978Inventor: Wilhelm Schulz
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Patent number: 4092193Abstract: Described herein are coupling means for joining substrates, for example, tubular articles, which include an inner member, having disposed thereon a fusible agent for binding the substrates together, and an outer member. The substrates to be joined are inserted between the fusible agent and outer member and the resulting assembly is heated. The application of heat is maintained until it permeates the assembly and raises the temperature of the fusible agent enough that it melts and flows through and/or about the substrates to be joined. The inner and outer members act to confine the melted fusible agent by defining boundaries between which it can flow. Longitudinal flow of the agent can be controlled by limiting the area heated, by the configuration of the coupling members or substrates, or by providing the coupling with additional members that "dam" longitudinal flow. When the heating is discontinued, the fusible agent hardens to bind the substrates together.Type: GrantFiled: June 30, 1975Date of Patent: May 30, 1978Assignee: Raychem CorporationInventor: Philip Lee Brooks
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Patent number: 4069102Abstract: An arrangement for cooling the fasteners affixing a core barrel to a core former and a core baffle to a core former in the reactor vessel internals of a nuclear reactor. The arrangement allows the flowing reactor coolant to contact the fasteners, preferably bolts with an elliptical neck, and maintain lower bolt operating temperatures than previously experienced.Type: GrantFiled: November 25, 1975Date of Patent: January 17, 1978Assignee: Westinghouse Electric CorporationInventors: Robert T. Berringer, Octavio J. Machado
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Patent number: 4045056Abstract: An expansion compensator for pipelines of the type including a metal casing lined with refractory materials comprising a corrugated sheath and annular distributing members for a coolant supply beneath the corrugated sheath, the distributing members being located at the inner side of the metal casing of the pipeline.Type: GrantFiled: October 14, 1975Date of Patent: August 30, 1977Inventors: Gennady Petrovich Kandakov, Georgy Vasilievich Matveev, Viktor Yakovlevich Miller
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Patent number: 4023832Abstract: Segmented conduits for transmitting heated fluid, and particularly tuyere feed lines for injecting preheated air into shaft furnaces, have an annular cooling chamber incorporated into the coupling joints between conduit sections. The cooling chambers are positioned inwardly toward the conduit axis with respect to flexible bellows devices which heremetically seal the articulated coupling joints.Type: GrantFiled: September 16, 1975Date of Patent: May 17, 1977Assignee: S.A. des Anciens Etablissements Paul WurthInventors: Edouard Legille, Rene N. Mahr
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Patent number: 4017102Abstract: To aid in maintaining a fluid flowing through a pipeline at a desired temperature at locations where two pipes are interconnected by a coupling, a jacket is provided which substantially surrounds and encloses the coupling and through which jacket a temperature controlling fluid is circulated in heat-transferring relation to the coupling.Type: GrantFiled: June 16, 1975Date of Patent: April 12, 1977Assignee: Controls Southeast, Inc.Inventor: James R. Henderson
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Patent number: 4011732Abstract: A heat-stationed bayonet connector suitable for connecting liquid cryogen sources and refrigeration loads to a cryogenic fluid transfer line or for connecting components such as flexible sections, etc., into the transfer line. The incorporation of a cold heat station in the bayonet connector and its thermal connection to a coolant makes it possible to intercept heat flow along the length of the bayonet and thereby to minimize heat losses associated with the connector. The use of a cryogenic coolant transfer line in the form of a flexible bypass connecting the male and female sections of the bayonet makes it possible to use the bayonet connector in a transfer line which incorporates a cooled radiation shield along essentially its entire length.Type: GrantFiled: February 14, 1974Date of Patent: March 15, 1977Assignee: Helix Technology IncorporatedInventors: Paul R. Doherty, Robert W. Johnson
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Patent number: 3984131Abstract: A fabricated packed pipe coupling gland suitable for a connection where there is at least one brittle pipe, the coupling forming a pressure tight, leak proof coupling which is semi-rigid. The coupling is particularly useful for coupling glass pipe to metal pipe for conveying highly corrosive vapors at high temperature, for example heated titanium tetrachloride vapors to a reactor for forming titanium dioxide.Type: GrantFiled: November 1, 1974Date of Patent: October 5, 1976Assignee: American Cyanamid CompanyInventors: Jacob Christian Gingrich, Jr., Charles Thomas Bell, Thomas Ralph Hatchell, Benjamin Francis Doty
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Patent number: 3977428Abstract: A vacuum tight seal is obtained at the end of a glass or quartz ampule by apparatus comprising a threaded piece of Teflon slipped over the end of the ampule and a termination member of glass with matching threads having means for coupling to other apparatus and an optional cooling jacket screwed onto said threaded piece with a seal means made up of silicone rubber U-rings with interposed spacer rings of Teflon therebetween. An optional diaphram valve made of polyvinyl chloride and having a diaphram member of fluoroelastomer is also shown.Type: GrantFiled: July 20, 1975Date of Patent: August 31, 1976Assignee: Siemens AktiengesellschaftInventor: Ernst Schilling
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Patent number: 3938832Abstract: A fabricated packed pipe coupling gland suitable for a connection where there is at least one brittle pipe, the coupling forming a pressure tight, leak proof coupling which is semi-rigid. The coupling is particularly useful for coupling glass pipe to metal pipe for conveying highly corrosive vapors at high temperature, for example heated titanium tetrachloride vapors to a reactor for forming titanium dioxide.Type: GrantFiled: November 1, 1974Date of Patent: February 17, 1976Assignee: American Cyanamid CompanyInventor: Peter Joseph Preston
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Patent number: 3937495Abstract: 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 heating and/or cooling fluid provided between the cylindrical members, the ring having an inside diameter corresponding to the inside diameter of the inner cylindrical member end faces, having sealing rings therein, to abut and seal against the end faces of the cylindrical members and a covered in recess in its periphery for connection to a source of heating and/or cooling members, clamping means being provided to pull the outer cylindrical members into abutment with the ring.Type: GrantFiled: April 7, 1975Date of Patent: February 10, 1976Assignee: Hermann Berstorff Maschinenbau GmbHInventor: Dietmar Anders
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Patent number: 3935878Abstract: An arrangement in a gully for draining water to prevent accumulation of snow and ice therein includes a substantially cup-shaped gully member, having a lower outlet socket for connection to a waste pipe and an upper circumferential support flange; and a clamping ring secured on the upper end of the gully member. A circular vertical flange on the clamping ring receives and guides an upper crown-shaped grate resting on the clamping ring and having an upper central opening. A bore through the wall of the cup-shaped member is supplied with heated air from a hot air pipe mounted in the bore in such a manner that the mouth of its free end opens into the gully member. A float valve controls the mouth of the hot air pipe, which is designed for adjustable dispersion of the airstream from the pipe mouth below the grate.Type: GrantFiled: May 14, 1974Date of Patent: February 3, 1976Inventor: Petter P. Ostevik