US3627034A - Heat exchanger mounting base and heat exchanger assembly - Google Patents

Heat exchanger mounting base and heat exchanger assembly Download PDF

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Publication number
US3627034A
US3627034A US18862A US3627034DA US3627034A US 3627034 A US3627034 A US 3627034A US 18862 A US18862 A US 18862A US 3627034D A US3627034D A US 3627034DA US 3627034 A US3627034 A US 3627034A
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United States
Prior art keywords
gas
base member
heat exchanger
given
compressor
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Expired - Lifetime
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US18862A
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English (en)
Inventor
Frank D Howe
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.)
Ingersoll Rand Co
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Ingersoll Rand Co
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Publication date
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/06—Cooling; Heating; Prevention of freezing
    • 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
    • F28D7/0066—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids
    • 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
    • F28D7/0066—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids
    • F28D7/0083—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids with units having particular arrangement relative to a supplementary heat exchange medium, e.g. with interleaved units or with adjacent units arranged in common flow of supplementary heat exchange medium
    • 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
    • F28D7/16—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 in parallel spaced relation
    • F28D7/163—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 in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing

Definitions

  • Murphy ABSTRACT A heat exchanger mounting base and a heat exchanger assembly for use with and in combination with a gas compressor for defining an improved interand after-cooler configuration.
  • the base comprises upper and lower mounting surfaces; upper surfaces are provided for mounting a plurality of heat exchanger units.
  • the lower, ported surface accommodates the transfer of gas to and from a compressor stage housing. Ducting formed within the base accommodates the transfer of gas from a given exhaust port of the compressor to the inter-cooler stage and therefrom to a second stage of the compressor.
  • the base accommodates the transfer of gas from the second stage of the compressor through several passes of a second heat exchanger unit.
  • the heat exchanger units are mounted in spaced relationship upon the base and, with end walls, define a chamber therewith.
  • Grille work mounted on the outer surfaces of the heat exchanger units accommodates for the influx of coolant air through both heat exchanger units simultaneously and an updraft of the coolant air to an exhaust plenum.
  • the cooling air is forced to flow through the grille work, and the chamber subsisting between the heat exchanger units, by means of a single fan motor mounted above the chamber.
  • a manifold, comprising one of the end walls of the chamber has a plurality of apertures formed therethrough.
  • One of the apertures accommodates for the inflow of a compressed gas product, from a first stage of the compressor, for communication therefrom through the base member to a first of the heat exchanger units.
  • the other aperture in the manifold is provided for exhausting cooling air from the first stage of the compressor for the venting thereof through the chamber.
  • there is an aperture provided in the base member for the conduct of cooling air from the second stage of the compressor for passage into the chamber and for exhausting thereof therefrom.
  • the heat exchanger units are mounted on the base in spaced relationship and walls mounted to both the units and the mounting base cooperate to define a chamber through which other single means force a cooling medium through all of the units simultaneously.
  • a teaching of this invention comprises the provisioning of a base member having upper and lower mounting surfaces.
  • the upper surface is especially configured to accommodate abutting engagement thereof with heat exchanger units, to facilitate the mounting of such units thereon.
  • the upper surface has openings to accommodate the flow of the gas into andout of the heat exchanger units, and the openings further provide for the transfer of the gas to and from any gas compressor mounted to the lower surface of the mounting base.
  • FIG. 1 Another feature of the invention, which is exemplified by the heat exchanger assembly embodiment disclosed herein by way of example, teaches the use of a manifold as one of the wall means defining the chamber between the heat exchanger units.
  • the manifold is ported to accommodate the influx of the gas product from one stage of any gas compressor abutting engaged with the manifold, and has channeling to facilitate the transfer of the product gas into and out of a plurality of heat exchanger units mounted to the base.
  • FIG. 1 is a side elevation of the assembly of FlG. 2 shown operatively mounted to first and second stage housings of a gas compressor;
  • FIG. 2 is an isometric view, partly in section, of an embodiment of a heat exchanger assembly according to the invention, with the coolant outlet vent shown in light, broken line;
  • FIG. 3 is a fragmentary view of the bottom of the mounting base, taken along section 3-3 of FIG. 1, showing the gas ports and the stage-housing coolant apertures;
  • FIG. 4 is a diagrammatic illustration of the aftercooler arrangement with the gas flow directions being depicted.
  • FIGS. 1 and 2 Shown in FIGS. 1 and 2 is a gas compressor comprising a plurality of stage housings l2 and 14 having a heat exchanger assembly 16, according to the invention, abuttingly engaged with and mounted thereto.
  • the heat exchanger assembly 16 comprises an intercooler l8 and an aftercooler 20.
  • Each cooler comprises a heat exchanger unit 22 mounted to a base member 24 which has a plurality of mounting surfaces 26 and 28. The surface of the base member to which the heat exchanger units are mounted will be considered the upper surface 26 and the opposite surface therefrom the lower surface 28.
  • the upper surface 26 of the base member 24 has on one gated openings 30 and 32 to accommodate the entry of the product gas into bank of heat exchanger elements 34 of the one unit for a pass of the gas product therethrough and to accommodate the venting of the now cooled gas from the heat exchanger unit 22 for return into the base member 24.
  • the heat exchanger elements 34 comprise hollow tubing, for the conduct of gas therethrough, which tubing carries spacedapart annular radiators thereupon.
  • the lower mounting surface 28 of the base member 24 is ported, as shown in FIG. 3, to accommodate the transfer of the: now cooled gas product into the second stage of the gas compressor 10.
  • the lower mounting surface 28 is abuttingly engaged with and mounted to a second-stage housing 14 of the gas compressor 10, and a port 36 formed in the lower mounting surface 28 is aligned in juxtaposition with the compressor second stage inlet port,
  • Compressed gas product from the second stage is admitted through a second port 38, via the compressor second-stage outlet port aligned therewith, and is conducted through the base member through ducting formed therein into and through the aftercooler heat exchanger unit 20 for cooling and discharge therefrom.
  • the base member upper mounting surface 26 is angulated at both sides to dispose the heat exchanger units 22 in a configuration. Accordingly the heat exchanger 'units are spaced apart and cooperate to define, in cooperation with the base member 24, a chamber 40 therebetween.
  • the chamber is further walled in by means disposed at opposite ends of the heat exchanger units, to wit; a cover plate 42 disposed at one end of the heat exchanger units 22 and mounted to the units, and a manifold 44 disposed at and mounted to the opposite ends of the heat exchanger units.
  • An outlet vent 46 surmounts the chamber to provide for an exhaust of the coolant medium therethrough.
  • the outlet vent 46 has mounted therewithin a motorized fan 48 to facilitate the exhausting of the coolant medium, air.
  • each of the heat exchanger units comprise grilles 70 through which the cooling air can be admitted for passage of the cooling air through the heat exchanger units 22 and for admittance to the chamber 40.
  • the motorized fan 48 updrafts the coolant air from the chamber and vents it out ofthe upper stack.
  • a novel teaching of my invention provides single means, notably the motorized fan 48, to cool a plurality of heat exchanger units 22.
  • the particular arrangement which I teach provides for the simultaneous cooling of both heat exchanger units with the one fan.
  • the base member 24 to which the heat exchanger units 22 are mounted in having juxtapositionally aligned openings and porting for the heat exchanger units and gas compressor ports obviates any requirement to provision external piping or conduits to effect the transfer of the product gas from stages of air compressor 10 to the individual heat exchanger units.
  • the manifold 44 which defines one wall of the chamber 40 has a port 50 which forms an interface with the compressor first stage outlet port 50a, and channelling 52 formed therein which accommodate the discharge of the gas product from the first stage housing 12 of the gas compressor 10 and its transfer to the elongated opening 30 which lies beneath the upper mounting surface 26 of the base member 24 for communication with the interstage or intercooler heat exchanger unit 22; channeling 52 opens at the base or lowermost end thereof on opening 30 to effect this communication.
  • each of the heat exchanger units have returned heads 54 and 56 of different configurations.
  • the return head 54 for the first or intercooler heat exchanger unit is unobstructed. That is, it provides for the unobstructed transverse flow of the product gas thereacross.
  • the product gas makes side thereof a plurality of elona first pass through the first heat exchanger unit 22 to the return head 54, transverses the return head and makes a second pass through this first heat exchanger unit, and flows thence therefrom into the base member 24.
  • the return head 56 for the second or aftercooler heat exchanger unit 22 is partitioned. As shown in FIG.
  • the aftercooler 20 has a web 58 extending therewithin to effect a different flow of the product gas through the intercooler 22.
  • Product gas is admitted to the aftercooler 20 from the second stage of the gas compressor and is conducted therethrough through a first portion A, of four portions A through D, of the aftercooler, and turned in the return head 56 for a second pass through the second portion B of the aftercooler.
  • the gas is vented from the second portion and turned in a chamber 60 provided in the base member 24 for a third pass through the third portion C of the aftercooler 20, again turned in the return head 56 for a final pass through, the final portion D of the aftercooler.
  • a base member wall 62 separates chamber 60 from other chambers formed in the base member 24 by a further wall 64.
  • the product gas which is now fully cooled is conducted through channeling 66 formed in the manifold 44 to the ducted discharge port 68 of the heat exchanger assembly 16.
  • the base member 24 and the manifold 44 each have additional ports 72 and 74, respectively, formed therein for admitting cylinder cooling air into the chamber 40 formed between the heat exchanger units 22.
  • each of the air compressor stage housings l2 and 14 have cooling air ports 76.
  • the ports are screened and admit air therethrough for passage along throughways (not shown) within the stage housings to facilitate a cooling of the stage cylinders.
  • the cooling air is exhausted from the stage housings l2 and 14, the housings being gasketed to the manifold 44 and the base member 24 through second screen ports 72a and 740 which are confined within the gasketing (the gasketing not being shown).
  • the cooling air for the first stage compressor cylinders vents through the screened port 74a.
  • This port is in juxtaposition with throughgoing port 74 fonned in the rearmost surface of manifold 44 which, in turn, opens on the chamber 40.
  • the other port 72 formed in the lowermost surface of base member 24 is also in juxtaposition with the screened cylinder cooling air port 720 of the second stage housing 14 for conducting the cooling air therethrough also to the chamber 40. Accordingly, ambient air is ingested, by way of screened ports 76, into housings l2 and 14, and is drawn by fan 48 through the ports 72a and 740.
  • These latter ports define interfaces with ports 72 and 74 so as to allow the air to be admitted into chamber 40.
  • Port 72 comprises a throughgoing opening in the lowermost surface of assembly 16, and port 74 comprises a throughgoing opening in the rearmost surface of manifold 44; the two ports 72 and 74, therefore, open internally on chamber 40.
  • it is required to provide only one motorized fan 48, or like air moving devices, simultaneously to cool both an intercooler and aftercooler and to efiect movement of both the first and second-stage cylinder cooling air. All such cooling air is moved into the chamber, and is exhausted therefrom, by such single means.
  • a base member having a plurality of mounting surfaces
  • At least one of said mounting surfaces is configured to accommodate an abutting engagement thereof with at least one given heat exchanger unit. to facilitate a mounting of such one unit thereupon, and
  • a second of said mounting surfaces is configured to accommodate an abutting engagement thereof with an external wall of a given gas compressor, to facilitate a mounting of said base member to such external wall; said base member having channeling and tube-end means for admitting gas into said base member and for conducting such gas through said one mounting surface for transfer of such gas directly into any such one given heat exchanger unit abuttingly engaged therewith; and
  • port means for admitting gas from such one unit directly into and through said base member, and through said second surface, for direct transfer of said gas through an external wall of a given, abutting gas compressor via a given gas port of such gas compressor;
  • said gas admitting means together comprise a plurality of tube-end openings formed in said one surface, and at least one port fonned in said second surface, given tube-end openings of said plurality thereof facilitating a conduct of gas into and out of a given heat exchanger unit, and said one port facilitating a conduct of gas to said given gas port of said gas compressor
  • said base member further includes a at leasta second port means for admitting gas directly into said base member from a given, abutting gas compressor, upon such gas issuing from said given compressor through an external wall thereof via a given gas port;
  • said one mounting surface is further configured to accommodate an abutting engagement thereof with a second, given heat exchanger unit, to facilitate a mounting of such second unit thereupon.
  • a heat exchanger assembly for use with a gas compressor having external gas ports, comprising:
  • a base member having a plurality of mounting surfaces
  • a plurality of heat exchanger units mounted in abutting engagement with one surface of said plurality of surfaces; wherein a second surface of said plurality of surfaces is configured to accommodate an abutting engagement thereof with an external wall of a given gascompressor, to facilitate a mounting of said base member to such external wall;
  • said heat exchanger units of the plurality thereof are spaced-apart from one another and, together with said base member, cooperate to define a chamber therewithin and further including wall means mounted to and cooperative with said units and said base member to further define said chamber;
  • said units have grill means cooperative with said single means to facilitate the forcing of such cooling medium through all of said units simultaneously.
  • said base member further has first means for admitting gas into said base member and for conducting such gas through said one surface for transfer of such gas directly into at least one of said units;
  • said wall means comprises a manifold
  • said manifold is configured to accommodate an abutting engagement thereof with an exterior wall of a given gas compressor and to facilitate a mounting of said manifold to such exterior wall.
  • said base member further has first means for admitting gas into said base member and for conducting such gas through said one surface for transfer of such gas directly into at least one of said units; and second means for admitting gas from said one unit directly through said one surface for transfer of such gas into and through said base member, and through said second surface, for direct transfer of said gas through an external wall of any given, abutting gas compressor via a given gas port or such gas compressor.
  • said manifold has a given aperture formed therein to accommodate an abutting, engaged alignment thereof with a given gas port in said exterior wall of such gas compressor;
  • said manifold has a second aperture formed therein to receive fluid coolant therethrough from any such gas compressor abuttingly mounted thereto, said second aperture opening upon said chamber.
  • said base member has an aperture formed therein to receive fluid coolant therethrough from any such gas compressor abuttingly mounted thereto, said base member aperture opening on said chamber.
  • a base for supporting thereon at least one heat exchanger unit, comprising: a base member having a plurality of mounting surfaces; wherein at least one of said mounting surfaces is configured to accommodate an abutting engagement thereof with at least one given heat exchanger unit, to facilitate a mounting of such one unit thereupon; and
  • a second of said mounting surfaces is in abutting engagement with an external wall ofone ofsaid stage housings; said base member having channeling and tube-end means for admitting gas into said base member and for conducting such gas through said one mounting surface for transfer of such gas directly into any such one given heat exchanger unit abuttingly engaged therewith; and
  • port means for admitting gas from such one unit directly into and through said base member, and through said second surface, for direct transfer of said gas through an external wall of said gas compressor via a given gas port of said compressor;
  • said base member further includes at least a second port means for admitting gas directly into said base member from said compressor, upon such gas issuing from said gas compressor, through an external wall of another of said stage housings via one of said gas ports; and further tube-end means for directly conducting gas from within said base member through said one mounting surface of said plurality thereof; and said one mounting surface is further configured to accommodate an abutting engagement thereof with a second, given heat exchanger unit and to facilitate a mounting of such second unit thereupon; and
  • a gas compressor avmg a plurality of 0 stage housings with external gas ports, and a heat exchanger assembly, comprising:
  • a base member having a plurality of mounting surfaces
  • a plurality of heat exchanger units mounted in abutting engagement with one surface of said plurality of said surfaces; wherein a second surface of said plurality of surfaces is in abutting engagement with an external wall of one of said stage housings;
  • said heat exchanger units of the plurality thereof are spaced-apart from one another, and together with said base member, cooperate to define a chamber therewithin; and further including wall means mounted to and cooperative with said units and said base member to further define said chamber; and
  • said units have grill means cooperative with said single means to facilitate the forcing of such cooling medium through all of said units simultaneously.
  • said wall means includes a manifold
  • said manifold is in abutting engagement with an exterior wall of another of said stage housings.
  • said base member further has first means for admitting gas into said base member and for conducting such gas through said one surface for transfer of such gas directly into at least one of said units;
  • said manifold has a first aperture formed therein to accommodate an abuttingly engaged alignment thereof with a given gas port of said compressor in said exterior wall of said another stage housing;
  • said manifold has a second aperture formed therein to receive fluid coolant therethrough from said gas compressor, said aperture opening on said chamber.
  • said base member has an aperture formed therein to receive fluid coolant therethrough from said gas compressor, said base member aperture opening on said chamber.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
US18862A 1970-03-12 1970-03-12 Heat exchanger mounting base and heat exchanger assembly Expired - Lifetime US3627034A (en)

Applications Claiming Priority (1)

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US1886270A 1970-03-12 1970-03-12

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CA (1) CA924296A (enExample)
GB (1) GB1303474A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160265851A1 (en) * 2013-11-28 2016-09-15 Flowforce Co., Ltd. Heat exchanger and method for manufacturing same
US10422585B2 (en) * 2017-09-22 2019-09-24 Honeywell International Inc. Heat exchanger with interspersed arrangement of cross-flow structures
US20220364799A1 (en) * 2020-08-24 2022-11-17 Fuji Electric Co., Ltd. Finned tube heat exchanger

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160265851A1 (en) * 2013-11-28 2016-09-15 Flowforce Co., Ltd. Heat exchanger and method for manufacturing same
US10422585B2 (en) * 2017-09-22 2019-09-24 Honeywell International Inc. Heat exchanger with interspersed arrangement of cross-flow structures
US20220364799A1 (en) * 2020-08-24 2022-11-17 Fuji Electric Co., Ltd. Finned tube heat exchanger
US12259198B2 (en) * 2020-08-24 2025-03-25 Fuji Electric Co., Ltd. Finned tube heat exchanger

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GB1303474A (enExample) 1973-01-17
CA924296A (en) 1973-04-10

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