WO2006015037A9 - Compressor air cooler with replaceable flange ring - Google Patents
Compressor air cooler with replaceable flange ringInfo
- Publication number
- WO2006015037A9 WO2006015037A9 PCT/US2005/026626 US2005026626W WO2006015037A9 WO 2006015037 A9 WO2006015037 A9 WO 2006015037A9 US 2005026626 W US2005026626 W US 2005026626W WO 2006015037 A9 WO2006015037 A9 WO 2006015037A9
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- casing
- flange ring
- header
- cooler
- ring
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/5826—Cooling at least part of the working fluid in a heat exchanger
-
- 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
-
- 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
- F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2280/00—Mounting arrangements; Arrangements for facilitating assembling or disassembling of heat exchanger parts
- F28F2280/02—Removable elements
Definitions
- the present invention relates to an air cooler assembly for a compressor. More particularly, the present invention relates to an air cooler assembly including a replaceable flange ring.
- the air cooler 2 assembly generally comprises a casing 4, a removable cooler 30 and a removable cover 20.
- the casing 4 is generally a hollow tube with an inlet end 6 and an outlet end 8.
- the inlet end 6 is configured for connection adjacent the compressor impeller (not shown) such that the compressed air is received in the air cooler assembly inlet 9.
- a shoulder 10 is typically provided at the inlet end 6 to define an axial stop for the removable cooler 30.
- the outlet end 8 of the casing 4 has an opening 11 sufficiently large to allow the cooler 30 to be inserted therethrough. Once the cooler 30 is inserted, the cover 20 is secured to the casing 4 to retain the cooler in position.
- the cooler 30 generally comprises an inlet header 32 and an outlet header 34 with numerous cooler tubes 36 between the two headers 32, 34.
- cooling water or the other cooling fluid flows through the casing 4 through casing inlet and outlet 5 and 7 and around the cooling tubes 36.
- Air entering the casing inlet 9 travels through the tubes 36 and transfers heat to the cooling fluid circulating about the tubes 36.
- the headers 32, 34 provide the cooler tube 36 spacing and structural support for the cooler 30, but also must provide the cooling fluid to air sealing.
- each of the headers 32, 34 is configured to seal against the inside surface 14 of the casing 4 at sealing areas 16 and 18, respectively.
- problems may develop.
- the casing inner surface 14 typically develops voids due to water corrosion. Since correct sealing is generally dependent on the smooth mating surfaces of the header and the casing, the voids diminish the ability of the cooler headers 32, 34 to properly seal the water from the air.
- the present invention provides a cooler assembly comprising a substantially hollow casing having casing inside surface having a diameter D.
- a flange ring is positioned in the casing and has a flange ring outside surface sealingly secured against the casing inside surface.
- the flange ring has a flange ring inside surface having a diameter r less than the diameter D.
- a cooler is positioned in the casing and has first and second headers and a plurality of cooling tubes extending therebetween. At least the first header has a first header outside diameter I that is approximately equal to or slightly less than the diameter r. Since the diameter r, and thereby the diameter I, is less than the diameter D, the first header is clear of casing inside surface. The cooler is positioned such that the first header is axially aligned with and sealed against the flange ring.
- Fig. 1 is an isometric view of a prior art air cooler assembly.
- Fig. 2 is a cross sectional view of the prior art air cooler assembly of Fig. 1.
- Fig. 3 is a cross sectional view of an air cooler assembly that is a first embodiment of the present invention.
- Fig. 4 is a cross sectional view of a flange ring of the air cooler assembly of Fig. 3.
- Fig. 5 is an exploded view of a portion of the flange ring as indicated by the circle 5 in Fig. 4.
- Fig. 6 is an exploded view of a portion of the air cooler assembly as indicated by the circle 6 in Fig. 3.
- the air cooler assembly 40 generally includes a casing 4, a removable cover 20, a removable cooler 40, and a flange ring 50.
- the casing 4 is a generally hollow tube with an inlet end 6 and an outlet end 8 and an inside surface 14 having a diameter D.
- a shoulder 10 is defined inside the casing 4 adjacent to the inlet end 6 to define at least a first area of reduced diameter d.
- the cover 20 is removably connected to the casing 4 to close the opening 11.
- the cooler 41 has an inlet header 42 and an outlet header 44 with a plurality of cooling tubes 46 (only two shown for clarity) extending therebetween. Flow through the cooling tubes 46 is substantially as described with respect to the prior art cooler assembly 2.
- the inlet header 42 has an outside diameter I that is less than the inside diameter D of the casing 4 and the outlet header 44 has an outside diameter O that is approximately equal to the inside diameter D of the casing 4.
- the outlet header 44 is configured to seal against the inside surface 14 of the casing 4 at seal area 18. O-rings or the like can be utilized to assist in sealing between the outlet header 44 and the casing inside surface 14.
- the inlet header 42 does not seal against the casing inside surface 14, but instead is clear of the casing inside surface 14. As such, when the cooler 41 is removed from the casing 4 through opening 11, the inlet header 42 does not scrape against the casing inside surface 14. Even in the event of dirt build up, the inlet header 42 is fairly easily removed from the casing 4.
- a flange ring 50 is sealingly bonded within the casing 4 adjacent to the shoulder 10.
- the flange ring 50 has a hollow cylindrical body 52 having an outside surface 54 with a diameter R approximately equal to or slightly less than the inside diameter D of the casing 4.
- the casing 4 and flange ring body 52 are described as cylindrical, however, they may have other complementary shapes.
- the casing 4 may have a square configuration, with the flange ring 50 having a complementary square configuration.
- the flange ring 50 is preferably manufactured from a rust resistant metal, but may be manufactured from other materials, including other metals and non- metals.
- the flange ring body 52 preferably has a chamfered surface 56 along the outside surface 54 at the inlet side of the flange ring 50 to assist in the insertion of the flange ring 50 into the casing 4.
- the outside surface 54 also may include one or more circumferential grooves 58 to assist in bonding the flange ring 50 within the casing as will be described in greater detail hereinafter.
- the flange ring 50 has an inside surface 62 having an inside diameter r that is approximately equal to or slightly larger than the outside diameter I of the inlet header 42.
- a radial shoulder 60 extends radially inward of the inside surface 62 to define an axial stop for the inlet header 42. In the installed position (see Fig.
- the radial shoulder 60 is preferably backed up by the casing shoulder 10.
- the inside surface 62 also preferably has a radially outward lead- in chamfer 64 adjacent the outlet side of the flange ring 50.
- the lead-in chamfer 64 assists in insertion of the inlet header 42 of the cooler into the flange ring 50.
- the flange ring 50 is sealed against the casing inside surface 14 at the sealing area 16 using a removable high temperature sealant 70.
- An illustrative sealant is SuperflexTM Blue RTV sealant manufactured by Loctite.
- the sealant 70 is preferably a material that is initially flexible and then cures after a given time. As such, when the sealant 70 is applied, the sealant 70 will fill any voids that may have developed in the sealing area 16 of the casing 4 to allow for proper sealing.
- the flange ring 50 preferably has a width W that is greater than the sealing width w of a standard header (see Fig. 3).
- the flange ring 50 covers and fills the voids of a larger area.
- the cured material may still have some flexibility, but securely bonds the flange ring 50 within the casing 4.
- the sealant 70 fills the circumferential grooves 58 to help secure the flange ring 50 against axial movement.
- the cooler 41 is inserted in to casing 4 through the opening 11.
- the lead-in chamfer 64 assists in directing the inlet header 42 in to the flange ring 50.
- the inlet header 42 preferably has an inlet side shoulder 47 configured to seat against the flange shoulder 60.
- the inlet header 42 has a circumferential groove 43 along its outside surface configured to receive an o-ring 45 or the like. The o-ring 45 seals between the inlet header 42 and the flange ring inside surface 62.
- the flange ring 50 can easily be removed and replaced. Additionally, as explained above, the inlet header diameter I being less than the casing inside diameter D allows the cooler 41 to be easily removed without any scraping or wedging within the casing 4.
- outlet header 44 of the preferred embodiment is described as having an outer diameter O that is substantially equal to the casing inside diameter D and is sealed directly to the casing inside surface 14, it is possible to provide a flange ring (not shown) at the sealing area 18 and to manufacture the outlet header 44 similar to the inlet header 42.
- the flange ring in this instance would preferably not have a radial shoulder, but would still act to fill any voids that may have developed in the sealing area 18.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05775350A EP1774244A2 (en) | 2004-07-30 | 2005-07-27 | Compressor air cooler with replaceable flange ring |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US59263904P | 2004-07-30 | 2004-07-30 | |
US60/592,639 | 2004-07-30 |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2006015037A2 WO2006015037A2 (en) | 2006-02-09 |
WO2006015037A9 true WO2006015037A9 (en) | 2006-03-23 |
WO2006015037A3 WO2006015037A3 (en) | 2007-05-18 |
Family
ID=35787791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2005/026626 WO2006015037A2 (en) | 2004-07-30 | 2005-07-27 | Compressor air cooler with replaceable flange ring |
Country Status (4)
Country | Link |
---|---|
US (1) | US20060021743A1 (en) |
EP (1) | EP1774244A2 (en) |
CN (1) | CN100538248C (en) |
WO (1) | WO2006015037A2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109340263A (en) * | 2018-11-07 | 2019-02-15 | 慈兴集团有限公司 | A kind of multi-sealed flange bearing |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2449052A (en) * | 1945-01-13 | 1948-09-14 | Brown Fintube Co | Heat exchanger |
US2811337A (en) * | 1951-07-20 | 1957-10-29 | Garrett Corp | Heat exchanger |
US2783980A (en) * | 1953-12-08 | 1957-03-05 | Young Radiator Co | Heat exchanger |
US3447603A (en) * | 1967-07-03 | 1969-06-03 | Gen Electric | Means for resiliently mounting tubular members |
US3593782A (en) * | 1969-09-08 | 1971-07-20 | American Precision Ind | Heat exchanger |
US3743963A (en) * | 1969-09-10 | 1973-07-03 | United Aircraft Corp | Transverse gas laser |
US4236577A (en) * | 1978-06-16 | 1980-12-02 | Mcquay-Perfex, Inc. | Separately removable tubes in heavy duty heat exchanger assemblies |
DE3110489C2 (en) * | 1981-03-18 | 1984-07-19 | Kühlerfabrik Längerer & Reich GmbH & Co KG, 7024 Filderstadt | Heat exchanger |
US4773475A (en) * | 1983-06-13 | 1988-09-27 | Sleep Jr Robert E | Disassembleable core heat exchanger |
US4930568A (en) * | 1989-05-17 | 1990-06-05 | L And M Radiator, Inc. | Heat exchanger |
US4993485A (en) * | 1989-09-18 | 1991-02-19 | Gorman Jeremy W | Easily disassembled heat exchanger of high efficiency |
CN2182978Y (en) * | 1993-09-10 | 1994-11-16 | 开封市石油化工设备厂 | Intercooler for air compressor |
ATE246792T1 (en) * | 1998-04-30 | 2003-08-15 | Showa Denko Kk | CONNECTING DEVICE FOR HEAT EXCHANGER |
US20020036078A1 (en) * | 2000-09-28 | 2002-03-28 | Janezich Robert J. | Heat exchanger seal apparatus |
US6719037B2 (en) * | 2001-05-02 | 2004-04-13 | Transpro, Inc. | Resiliently bonded heat exchanger |
DE10145619A1 (en) * | 2001-09-15 | 2003-04-10 | Basf Ag | Process for the trimerization of alpha olefins |
DE10157285A1 (en) * | 2001-11-22 | 2003-06-05 | Behr Gmbh & Co | Exhaust gas heat exchanger |
US20040226694A1 (en) * | 2003-05-14 | 2004-11-18 | Roland Dilley | Heat exchanger with removable core |
-
2005
- 2005-07-27 EP EP05775350A patent/EP1774244A2/en not_active Withdrawn
- 2005-07-27 CN CNB2005800254327A patent/CN100538248C/en not_active Expired - Fee Related
- 2005-07-27 US US11/190,768 patent/US20060021743A1/en not_active Abandoned
- 2005-07-27 WO PCT/US2005/026626 patent/WO2006015037A2/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2006015037A3 (en) | 2007-05-18 |
CN100538248C (en) | 2009-09-09 |
EP1774244A2 (en) | 2007-04-18 |
US20060021743A1 (en) | 2006-02-02 |
WO2006015037A2 (en) | 2006-02-09 |
CN101061364A (en) | 2007-10-24 |
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