US2819731A - Refrigerating apparatus - Google Patents

Refrigerating apparatus Download PDF

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Publication number
US2819731A
US2819731A US469069A US46906954A US2819731A US 2819731 A US2819731 A US 2819731A US 469069 A US469069 A US 469069A US 46906954 A US46906954 A US 46906954A US 2819731 A US2819731 A US 2819731A
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US
United States
Prior art keywords
tubing
insert
tube
corrugations
refrigerating apparatus
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
US469069A
Inventor
Chester F Louthan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motors Liquidation Co
Original Assignee
Motors Liquidation Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Motors Liquidation Co filed Critical Motors Liquidation Co
Priority to US469069A priority Critical patent/US2819731A/en
Application granted granted Critical
Publication of US2819731A publication Critical patent/US2819731A/en
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00Tubular elements; Assemblies of tubular elements
    • F28F1/08Tubular elements crimped or corrugated in longitudinal section
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/4935Heat exchanger or boiler making
    • Y10T29/49359Cooling apparatus making, e.g., air conditioner, refrigerator
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/4935Heat exchanger or boiler making
    • Y10T29/49377Tube with heat transfer means
    • Y10T29/49378Finned tube

Description

1 Jan. 14, 1958 c. F; LOUTHAN REFRIGERATING APPARATUS Filed Nov 16, 1954 INVENTOR. Chester 5 Loy/hon BY W a?- H/s Attorney United States Patent REFRIGERATING APPARATUS Chester F. Louthan, Union, Ohio, assignor to General Motors Corporation, Detroit, Mich., a corporation of Delaware Application November 16, 1954, Serial No. 469,069

1 Claim. (Cl. 138-38) This invention relates to refrigerating apparatus and more particularly to a heat exchanger and the method of manufacturing the same.

One object of this invention is to provide a heat exchanger having flat tubing capable of withstanding high internal pressures without distortion of the flat walls of the tubing.

It is an object of this invention to provide a heat exchanger made from multiple passage tubing capable of being bent into serpentine shape with sharp bends.

Still another object of this invention is to provide a multiple passage tubing which may be bent without using complicated or expensive dies or other devices for preventing collapse of the tubing at the return bends.

More particularly it is an object of this invention to provide a relatively fiat tube having a corrugated separator disposed within the tube.

Further objects and advantages of the present invention will be apparent from the following description, reference being had to the accompanying drawings, wherein a preferred form of the present invention is clearly shown.

In the drawings:

Figure l is an elevational view showing a heat exchanger constructed in accordance with the invention;

Figure 2 is a fragmentary pictorial view showing the construction of the multiple passage flat tubing used in making the heat exchanger shown in Figure 1;

Figure 3 is a fragmentary sectional view on an enlarged scale showing the construction of one of the return bends;

Figure 4 is a fragmentary end elevational view showing a modified type of joint between the upper and lower side walls of the tube;

Figure 5 is a view similar to Figure 4 showing still another modification; and,

Figure 6 is a view similar to Figures 4 and 5 showing a rolled and brazed joint.

Referring now to the drawings wherein a preferred embodiment of the invention has been shown, reference numeral 10 generally designates a heat exchanger having a fluid conduit comprising a flat Walled tube 11 which has been bent into serpentine shape as shown and in which button type fins 12 have been slipped over the outside of the straight portions of the tubing so as to increase the eifective heating radiating surface. A frame element 14 serves as a support for use in mounting the heat exchanger in an air duct or the like. Reference numerals 16 and 18 designate the usual headers for use in making connection to the interior of the serpentine tube.

As best shown in Figure 2 of the drawing, the preferred embodiment of tubing consists of upper and lower strips 20 and 22 respectively which have transversely extending corrugations arranged as shown and which are provided with side flanges 24 which are roll-welded together so as to form one continuous section of relatively flat walled tubing. Figures 4 through 6 show alternate type of joints which may be provided between the edges of the strips. The alternate joints are preferably brazed 2,819,731 Patented Jan. 14, 1958 joints. A corrugated insert 26 has been provided as shown and this insert serves to separate the interior of the tube into a plurality of parallel passages. The insert 26 as well as the flat side walls of the tubing are corrugated transversely for a purpose to be described more fully hereinafter. The insert is formed by first forming the relatively shallow transverse corrugations in a sheet and then forming the relatively deep longitudinal corrugations.

The insert 26 is placed between the corrugated strips 20 and 22 before the edges 24 are roll-welded together. Suitable brazing material (not shown) which may be either in powder, sheet, slurry, or wire form is placed within the tubing and also between the fins and the outer walls of the tubing so that after the fins 12 have been placed on the appropriate portions of the tubing and the tubing has been bent into serpentine shape and fitted with the headers 16 and 18, the assembly may be heated so as to braze the fins 12 to the outer walls of the tubing and so as to braze the insert 26 to the side walls of the tubing along the lines where the insert 26 contacts the side walls 20 and 22. By virtue of the fact that the insert 26 is provided with transversely extending corrugations which are complementary to the corrugations formed in the side walls 20 and 22, it is obvious that when the brazing material is melted it will serve to anchor the insert in place so as to form a plurality of longitudinally extending passages. The insert as well as the corrugations in the side Walls of the tube help to add rigidity to the tubing as well as to facilitate the transfer of heat between fluid in the tube and fluid outside the tube.

The corrugations also make it possible to form sharp return bends in the tubing without danger of any collapsing of the tube at the return bends. As best shown in Figure 3 of the drawings, the corrugated portions adjacent the inside edge of the return bend becomes slightly compressed whereas the corrugations adjacent the outside edge of the return bend are slightly elongated. By virtue of the above described construction and method of manufacture, it is possible to form integral return bends in multiple passage tubing without causing undue restriction at the return bends.

While the form of embodiment of the invention as herein disclosed constitutes a preferred form, it is to be understood that other forms might be adopted, as may come within the scope of the claim which follows.

What is claimed is as follows:

A return bend construction for use in a heat exchanger comprising in combination, a fluid conveying conduit having a plurality of spaced apart substantially parallel and arcuate wall portions, a divider element interposed between said wall portions and comprising a single strip of metal arranged in zigzag form to provide a plurality of internal fins extending between said spaced apart portions of said conduit and disposed in intimate thermal contact therewith, each of said walls and said divider element having registering transversely extending corrugations, said corrugations being closer together at the inside of each return bend than at the outside of the return bend.

References Cited in the file of this patent UNITED STATES PATENTS 1,791,483 Dalgliesh Feb. 3, 1931 1,890,625 Shaw Dec. 13, 1932 1,899,080 Dalgliesh Feb. 28, 1933 1,909,005 Paugh May 16, 1933 2,068,955 Kritzer et al Jan. 26, 1937 2,090,222 Neveu Aug. 17, 1937 2,488,615 Arnold Nov. 22, 1949 2,621,027 Tatsch Dec. 9, 1952

US469069A 1954-11-16 1954-11-16 Refrigerating apparatus Expired - Lifetime US2819731A (en)

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US469069A US2819731A (en) 1954-11-16 1954-11-16 Refrigerating apparatus

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Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3013108A (en) * 1956-08-02 1961-12-12 Amp Inc Apparatus for insulation and compensation of electrical conductors for high temperature ambient conditions
US3043103A (en) * 1958-10-10 1962-07-10 Gen Motors Corp Liquid cooled wall
US3062021A (en) * 1960-12-12 1962-11-06 Ansel B Grose Device for dispensing frozen fluffy cream and the like
US3348402A (en) * 1963-03-29 1967-10-24 Electrolux Ab Method of making coil for absorption refrigeration apparatus
US3412787A (en) * 1967-08-08 1968-11-26 John D. Milligan Heat exchanger
US3826304A (en) * 1967-10-11 1974-07-30 Universal Oil Prod Co Advantageous configuration of tubing for internal boiling
US3850230A (en) * 1972-04-06 1974-11-26 Atomenergi Ab Heat-exchanger
US4171015A (en) * 1977-03-28 1979-10-16 Caterpillar Tractor Co. Heat exchanger tube and method of making same
EP0128023A1 (en) 1983-06-02 1984-12-12 Engelhard Corporation Cooling assembly for fuel cells
US4699091A (en) * 1986-05-08 1987-10-13 Waters Larry G Method and apparatus for utilizing waste heat in hot water heaters
US4805693A (en) * 1986-11-20 1989-02-21 Modine Manufacturing Multiple piece tube assembly for use in heat exchangers
US4998580A (en) * 1985-10-02 1991-03-12 Modine Manufacturing Company Condenser with small hydraulic diameter flow path
US5184672A (en) * 1990-12-04 1993-02-09 Sanden Corporation Heat exchanger
US6050329A (en) * 1999-06-21 2000-04-18 Mcgraw Edison Company Cooling fin with reinforcing ripples
FR2827373A1 (en) * 2001-07-16 2003-01-17 Denso Corp Exhaust gas heat exchanger used in exhaust gas recirculation system, has tube made of two U-shaped plates which are fitted facing each other with level difference is formed on portions of second plate
DE10359806A1 (en) * 2003-12-19 2005-07-14 Modine Manufacturing Co., Racine Heat exchanger with flat tubes and flat heat exchanger tube
US20050161208A1 (en) * 2002-06-11 2005-07-28 Sucke Norbert W. Hollow chamber profile made of metal, especially for heat exchangers
US20060201663A1 (en) * 2005-03-08 2006-09-14 Roland Strahle Heat exchanger and flat tubes
US20070175617A1 (en) * 2005-11-11 2007-08-02 Viktor Brost Heat exchanger and method of mounting
WO2009010839A2 (en) * 2007-07-16 2009-01-22 Industrie Ilpea S.P.A. Refrigeration circuit
US20090025916A1 (en) * 2007-01-23 2009-01-29 Meshenky Steven P Heat exchanger having convoluted fin end and method of assembling the same
US7578409B1 (en) * 2004-02-13 2009-08-25 Stanley Jan Kulasik Quick liner release strip for waste containers
US20090250201A1 (en) * 2008-04-02 2009-10-08 Grippe Frank M Heat exchanger having a contoured insert and method of assembling the same
US20090260787A1 (en) * 2006-04-25 2009-10-22 Modine Manufacruring Company Heat exchanger for motor vehicles
US20100025024A1 (en) * 2007-01-23 2010-02-04 Meshenky Steven P Heat exchanger and method
ITMI20082039A1 (en) * 2008-11-17 2010-05-18 Ilpea Ind Spa Circuit of raffraddamento
US20110005738A1 (en) * 2006-11-22 2011-01-13 Modine Manufacturing Company Soldered flat tube for condensers and/or evaporators

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1791483A (en) * 1930-05-20 1931-02-03 Res & Dev Corp Heat-exchange device
US1890625A (en) * 1930-07-07 1932-12-13 Harold N Shaw Radiator
US1899080A (en) * 1931-10-29 1933-02-28 Res & Dev Corp Heat exchange device
US1909005A (en) * 1930-06-16 1933-05-16 Wolverine Tube Company Method of making corrugated wall tubing
US2068955A (en) * 1935-04-04 1937-01-26 Richard W Kritzer Refrigerating coil
US2090222A (en) * 1935-04-20 1937-08-17 Frank A Neveu Radiator core
US2488615A (en) * 1942-11-11 1949-11-22 Modine Mfg Co Oil cooler tube
US2621027A (en) * 1946-12-11 1952-12-09 Tatsch Richard Panel heating and cooling system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1791483A (en) * 1930-05-20 1931-02-03 Res & Dev Corp Heat-exchange device
US1909005A (en) * 1930-06-16 1933-05-16 Wolverine Tube Company Method of making corrugated wall tubing
US1890625A (en) * 1930-07-07 1932-12-13 Harold N Shaw Radiator
US1899080A (en) * 1931-10-29 1933-02-28 Res & Dev Corp Heat exchange device
US2068955A (en) * 1935-04-04 1937-01-26 Richard W Kritzer Refrigerating coil
US2090222A (en) * 1935-04-20 1937-08-17 Frank A Neveu Radiator core
US2488615A (en) * 1942-11-11 1949-11-22 Modine Mfg Co Oil cooler tube
US2621027A (en) * 1946-12-11 1952-12-09 Tatsch Richard Panel heating and cooling system

Cited By (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3013108A (en) * 1956-08-02 1961-12-12 Amp Inc Apparatus for insulation and compensation of electrical conductors for high temperature ambient conditions
US3043103A (en) * 1958-10-10 1962-07-10 Gen Motors Corp Liquid cooled wall
US3062021A (en) * 1960-12-12 1962-11-06 Ansel B Grose Device for dispensing frozen fluffy cream and the like
US3473346A (en) * 1963-03-29 1969-10-21 Electrolux Ab Coil for absorption refrigeration apparatus
US3348402A (en) * 1963-03-29 1967-10-24 Electrolux Ab Method of making coil for absorption refrigeration apparatus
US3412787A (en) * 1967-08-08 1968-11-26 John D. Milligan Heat exchanger
US3826304A (en) * 1967-10-11 1974-07-30 Universal Oil Prod Co Advantageous configuration of tubing for internal boiling
US3850230A (en) * 1972-04-06 1974-11-26 Atomenergi Ab Heat-exchanger
US4171015A (en) * 1977-03-28 1979-10-16 Caterpillar Tractor Co. Heat exchanger tube and method of making same
EP0128023A1 (en) 1983-06-02 1984-12-12 Engelhard Corporation Cooling assembly for fuel cells
US4998580A (en) * 1985-10-02 1991-03-12 Modine Manufacturing Company Condenser with small hydraulic diameter flow path
US4699091A (en) * 1986-05-08 1987-10-13 Waters Larry G Method and apparatus for utilizing waste heat in hot water heaters
US4805693A (en) * 1986-11-20 1989-02-21 Modine Manufacturing Multiple piece tube assembly for use in heat exchangers
US5184672A (en) * 1990-12-04 1993-02-09 Sanden Corporation Heat exchanger
US6050329A (en) * 1999-06-21 2000-04-18 Mcgraw Edison Company Cooling fin with reinforcing ripples
US20060225872A1 (en) * 2001-07-16 2006-10-12 Kazuhiro Shibagaki Exhaust gas heat exchanger
DE10231973B4 (en) * 2001-07-16 2019-03-28 Denso Corporation Exhaust gas heat exchanger
FR2827373A1 (en) * 2001-07-16 2003-01-17 Denso Corp Exhaust gas heat exchanger used in exhaust gas recirculation system, has tube made of two U-shaped plates which are fitted facing each other with level difference is formed on portions of second plate
US20050161208A1 (en) * 2002-06-11 2005-07-28 Sucke Norbert W. Hollow chamber profile made of metal, especially for heat exchangers
US7726390B2 (en) * 2002-06-11 2010-06-01 Erbslöh Aluminium Gmbh Hollow chamber profile made of metal, especially for heat exchangers
US20050161206A1 (en) * 2003-12-19 2005-07-28 Peter Ambros Heat exchanger with flat tubes
DE10359806A1 (en) * 2003-12-19 2005-07-14 Modine Manufacturing Co., Racine Heat exchanger with flat tubes and flat heat exchanger tube
US8261816B2 (en) 2003-12-19 2012-09-11 Modine Manufacturing Company Heat exchanger with flat tubes
US7578409B1 (en) * 2004-02-13 2009-08-25 Stanley Jan Kulasik Quick liner release strip for waste containers
US20060201663A1 (en) * 2005-03-08 2006-09-14 Roland Strahle Heat exchanger and flat tubes
US20070175617A1 (en) * 2005-11-11 2007-08-02 Viktor Brost Heat exchanger and method of mounting
US8016025B2 (en) 2005-11-11 2011-09-13 Modine Manufacturing Company Heat exchanger and method of mounting
US20090260787A1 (en) * 2006-04-25 2009-10-22 Modine Manufacruring Company Heat exchanger for motor vehicles
US20110005738A1 (en) * 2006-11-22 2011-01-13 Modine Manufacturing Company Soldered flat tube for condensers and/or evaporators
US9395121B2 (en) 2007-01-23 2016-07-19 Modine Manufacturing Company Heat exchanger having convoluted fin end and method of assembling the same
US20100025024A1 (en) * 2007-01-23 2010-02-04 Meshenky Steven P Heat exchanger and method
US8424592B2 (en) 2007-01-23 2013-04-23 Modine Manufacturing Company Heat exchanger having convoluted fin end and method of assembling the same
US20090025916A1 (en) * 2007-01-23 2009-01-29 Meshenky Steven P Heat exchanger having convoluted fin end and method of assembling the same
WO2009010839A2 (en) * 2007-07-16 2009-01-22 Industrie Ilpea S.P.A. Refrigeration circuit
US20100192623A1 (en) * 2007-07-16 2010-08-05 Industrie Ilpea S.P.A. Refrigeration circuit
CN101821563A (en) * 2007-07-16 2010-09-01 工业伊尔皮亚股份公司 Refrigeration circuit
CN101821563B (en) 2007-07-16 2014-03-12 工业伊尔皮亚股份公司 Refrigeration circuit
WO2009010839A3 (en) * 2007-07-16 2009-05-07 Ilpea Ind Spa Refrigeration circuit
RU2490566C2 (en) * 2007-07-16 2013-08-20 Индустрие Ильпеа С.п.А. Refrigerating circuit
US20090250201A1 (en) * 2008-04-02 2009-10-08 Grippe Frank M Heat exchanger having a contoured insert and method of assembling the same
US8516699B2 (en) 2008-04-02 2013-08-27 Modine Manufacturing Company Method of manufacturing a heat exchanger having a contoured insert
WO2010055468A1 (en) * 2008-11-17 2010-05-20 Industrie Ilpea S.P.A. Refrigeration circuit
RU2526139C2 (en) * 2008-11-17 2014-08-20 Индустрие Ильпеа С.п.А. Refrigeration circuit
ITMI20082039A1 (en) * 2008-11-17 2010-05-18 Ilpea Ind Spa Circuit of raffraddamento

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