US3566502A - Method of making counterflow fluid condensers - Google Patents

Method of making counterflow fluid condensers Download PDF

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Publication number
US3566502A
US3566502A US707587A US3566502DA US3566502A US 3566502 A US3566502 A US 3566502A US 707587 A US707587 A US 707587A US 3566502D A US3566502D A US 3566502DA US 3566502 A US3566502 A US 3566502A
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US
United States
Prior art keywords
manifold
chambers
bridging
housing
pairs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US707587A
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English (en)
Inventor
Piero Pasqualini
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Individual
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Individual
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Publication date
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Publication of US3566502A publication Critical patent/US3566502A/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
    • F28D7/106—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically consisting of two coaxial conduits or modules of two coaxial conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28B—STEAM OR VAPOUR CONDENSERS
    • F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
    • F28B1/02—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using water or other liquid as the cooling medium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0202—Header boxes having their inner space divided by partitions
    • F28F9/0204—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions
    • F28F9/0209—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions having only transversal partitions
    • F28F9/0212—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions having only transversal partitions the partitions being separate elements attached to header boxes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49396—Condenser, evaporator or vaporizer making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49904—Assembling a subassembly, then assembling with a second subassembly

Definitions

  • FIG. 1 I METHOD OF MAKING COUNTERFLOW FLUID QONDENSERS Filed Feb. 23. 1968 she ets-s eet 1 FIG. 1
  • a counterflow fluid condenser which includes a pair of opposite chambered manifold heads and a plurality of telescopically associated pipe pairs connected between said heads to the respective chambers thereof, there being defined one independent path with appropriate inlet and outlet for condensate and another independent path with appropriate inlet and outlet for coolant;
  • the manifold heads each being formed as elongate U-shaped housing divided into a plurality of chambers by spaced crossbafiles seated therein and supported by respective parallel spaced rib pairs formed along the inner surface of the floor and sides of said housing, a plurality of bridging plates seated on respective ones of bridging ribs likewise formed on the inner surface of the side Walls of said housing, the floor of said housing being provided with first perforations of size and configuration to receive therethrough the outer one of said pipe pairs and the bridging plates each being provided with a second perforation for receiving therethrough the inner one of said pipe pairs;
  • the novel method of making the condenser being characterized by the steps of forming a manifold head sub-assembly by impressing a plurality of grooves in one face of a sheet metal blank at predetermined locations thereon simultaneously forming ribs on the opposite face thereof, bending said grooved blank to an inwardly ribbed, U-shaped configuration to define a floor having sections defined between the rib pairs and opposite equal side walls With the grooves on the exterior thereof, perforating said floor within each section, assembling cross-bafiles and bridging plates utilizing said ribs as support therefor so as to define the plurality of manifold chambers, one chamber for each section, engaging respective ones of said pipe pairs through respective ones of said perforations, installing the stud fasteners on the bridging plates and thereafter copper-brazing the thus constructed subassembly in an oven and thereafter applying and securing suitable washers and covers to opposite manifold heads thereafter to complete the counterflow condenser; the coolant and condensate inlets and
  • FIG. 2 is an exploded view on an enlarged scale of one portion of the manifold head and pipe subassembly of the condenser illustrated in FIG. 1.
  • the distance of said grooves 64 inwardly of the lateral edges of the blank preferably is selected equal to the thickness of the bridging plate 46 so that the surfaces 50 may be flush with the free ends of walls 30, 32, when plates 44 are mounted to the housings 516, 16' as explained below.
  • the impression of groove pairs 62 and grooves 64 in the blank is conducted,
  • the blank is formed by bending to a U- shaped configuration to define the housings 16 and 16' with the ribs 66 and 68 on the inner surface and the grooves 62 and 64 are on the outer surface of the respective housings 16 and 16'.
  • Perforations 34 may be formed prior to, simultaneously with or subsequent to the formation of grooves 62 and 64 and, also, may be formed subsequent to the bending of the blank to form the housing. In fact, the order of forming the performations 34 iscertainly not critical through the method of the invention.
  • rib pairs 66 are arranged in pairs and will be referred to as rib pairs 66. These rib pairs respectively, form channels 70 running continuously along the sidewalls 30 and 32 crossing floor 28 along the innerface 72 of housing 16, for example.
  • the spacing between the ribs 66 and hence the cross-sectional dimension of channels 70 is selected substantially to be equal to the thickness of the cross-battles 36 and 38.
  • Respective cross-baffles 36 and 38 are slidably engaged within channels 70 and thereafter the plates 44 are mounted to rest upon ribs 68.
  • the stud bolts 22 may be preattached to plates 44 or attached subsequent to mounting of said plates to the housing 16 between the baflles 36 and/or 38 and side walls 30 and 32 resting supported on ribs 68.
  • Preferably the edges of the sidewalls 30 and 32 of the housing 16 are flush with the outer surface 50 of plates 44.
  • said grooved housing is formed by first forming a blank, dividing the blank into sections by impressing a series of groove pairs and a series of single grooves arranged in predetermined locations in one face thereof, thereby defining a matching series of rib pairs and ribs in the opposite face thereof bending said grooved blank to a U-shaped configuration with said one face defining the exterior surface of the housing.
  • each said manifold-head-sub-assembly is formed by forming a selectively perforated blank, impressing recesses in one face of the blank to divide same into sections equal in number to the number of external pipes of the condenser and thereby forming matching protrusions in the opposite face of the blank, forming the blank to a U-shaped configuration and thereby forming the housing and providing channel retainer means and support means interior of the said housing and defined by said protrusions,
  • each manifold-head-sub-assembly is formed by forming a blank, dividing the blank into sections equal in number to the number of external pipes of the condenser by pressing said blank against a suitable die to obtain in one face thereof parallel groove-pairs arranged parallel one to the other and spaced to divide the blank into said sections and single grooves adjacent the lateral edges of the blank but spaced therefrom, the single grooves being normal to said groove pairs and parallel one to the other, and thereby forming matched protrusions on the opposite face of the blank corresponding to said groove pairs and grooves,

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
US707587A 1967-03-04 1968-02-23 Method of making counterflow fluid condensers Expired - Lifetime US3566502A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1335167 1967-03-04

Publications (1)

Publication Number Publication Date
US3566502A true US3566502A (en) 1971-03-02

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ID=11144387

Family Applications (1)

Application Number Title Priority Date Filing Date
US707587A Expired - Lifetime US3566502A (en) 1967-03-04 1968-02-23 Method of making counterflow fluid condensers

Country Status (3)

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US (1) US3566502A (de)
DE (1) DE1601114A1 (de)
FR (1) FR1563943A (de)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4043014A (en) * 1975-11-11 1977-08-23 Wilson John C Method of making a waste flue heat recovery device
US4254826A (en) * 1979-09-11 1981-03-10 Pvi Industries Inc. Modular heat exchanger
US4690208A (en) * 1986-02-03 1987-09-01 Deck Brent D Contaminated fluid heat exchanging
US4809774A (en) * 1985-12-12 1989-03-07 Mtu Motoren-Und Turbinen- Union Munchen Gmbh Reversal chamber for a tube matrix of a heat exchanger
US20090050298A1 (en) * 2006-03-01 2009-02-26 Calsonic Kansei Corporation Heat exchanger and integrated-type heat exchanger
US20090133861A1 (en) * 2005-12-14 2009-05-28 Kyungdong Navien Co., Ltd. Heat Exchanger of Condensing Boiler for Heating and Hot-Water Supply
US20100300653A1 (en) * 2007-08-15 2010-12-02 Bonner Michael R Modular shell and tube heat exchanger system
US20160219888A1 (en) * 2015-02-03 2016-08-04 Lbc Bakery Equipment, Inc. Convection oven with linear counter-flow heat exchanger
CN110500899A (zh) * 2019-09-27 2019-11-26 广东捷玛节能科技股份有限公司 一种联排扁管的水冷式平行流换热器
US10837720B2 (en) 2013-11-06 2020-11-17 Trane International Inc. Heat exchanger with aluminum tubes rolled into an aluminum tube support

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4043014A (en) * 1975-11-11 1977-08-23 Wilson John C Method of making a waste flue heat recovery device
US4254826A (en) * 1979-09-11 1981-03-10 Pvi Industries Inc. Modular heat exchanger
US4809774A (en) * 1985-12-12 1989-03-07 Mtu Motoren-Und Turbinen- Union Munchen Gmbh Reversal chamber for a tube matrix of a heat exchanger
US4690208A (en) * 1986-02-03 1987-09-01 Deck Brent D Contaminated fluid heat exchanging
US8220529B2 (en) * 2005-12-14 2012-07-17 Kyungdong Navien Co., Ltd. Heat exchanger of condensing boiler for heating and hot-water supply
US20090133861A1 (en) * 2005-12-14 2009-05-28 Kyungdong Navien Co., Ltd. Heat Exchanger of Condensing Boiler for Heating and Hot-Water Supply
US20090050298A1 (en) * 2006-03-01 2009-02-26 Calsonic Kansei Corporation Heat exchanger and integrated-type heat exchanger
US20100300653A1 (en) * 2007-08-15 2010-12-02 Bonner Michael R Modular shell and tube heat exchanger system
US10837720B2 (en) 2013-11-06 2020-11-17 Trane International Inc. Heat exchanger with aluminum tubes rolled into an aluminum tube support
US11415381B2 (en) 2013-11-06 2022-08-16 Trane International Inc. Heat exchanger with aluminum tubes rolled into an aluminum tube support
US20160219888A1 (en) * 2015-02-03 2016-08-04 Lbc Bakery Equipment, Inc. Convection oven with linear counter-flow heat exchanger
US10314315B2 (en) * 2015-02-03 2019-06-11 Lbc Bakery Equipment, Inc. Convection oven with linear counter-flow heat exchanger
CN110500899A (zh) * 2019-09-27 2019-11-26 广东捷玛节能科技股份有限公司 一种联排扁管的水冷式平行流换热器
CN110500899B (zh) * 2019-09-27 2020-11-13 广东捷玛节能科技股份有限公司 一种联排扁管的水冷式平行流换热器

Also Published As

Publication number Publication date
DE1601114A1 (de) 1970-05-21
FR1563943A (de) 1969-04-18

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