US2596642A - Heat exchanger - Google Patents
Heat exchanger Download PDFInfo
- Publication number
- US2596642A US2596642A US669754A US66975446A US2596642A US 2596642 A US2596642 A US 2596642A US 669754 A US669754 A US 669754A US 66975446 A US66975446 A US 66975446A US 2596642 A US2596642 A US 2596642A
- Authority
- US
- United States
- Prior art keywords
- plates
- channel
- flow
- ridges
- plate
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
-
- 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
- F28D19/00—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium
- F28D19/04—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium using rigid bodies, e.g. mounted on a movable carrier
- F28D19/041—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium using rigid bodies, e.g. mounted on a movable carrier with axial flow through the intermediate heat-transfer medium
- F28D19/042—Rotors; Assemblies of heat absorbing masses
-
- 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
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
- F28D9/0037—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the conduits for the other heat-exchange medium also being formed by paired plates touching each other
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S165/00—Heat exchange
- Y10S165/355—Heat exchange having separate flow passage for two distinct fluids
- Y10S165/356—Plural plates forming a stack providing flow passages therein
- Y10S165/393—Plural plates forming a stack providing flow passages therein including additional element between heat exchange plates
- Y10S165/394—Corrugated heat exchange plate
Definitions
- the present invention relates to heat exchange and more particularly to plate heat exchange structure for transfer of heat between two gaseous media, either by the so-called regenerative method, in which the plate structure is heated by contact with a hot gas and thereafter gives up its heat to a cooler gas subsequently flowing through the same channels in the structure, or by the so-called recuperative method in which heat is transferred from a hotter to a cooler medium by conduction through plates separating adjacent channels in which the hot and cold media flow respectively at the same time.
- Fig. 1 is a plan view of a portion of a plate adapted to be used in carrying out the invention
- Fig. 2 is an end section of the plate shown in Fig. 1;
- Fig. 3 is a perspective view showing plates of the kind illustrated in Fig. 1, assembled in accordance with the invention
- Figs. 4 to 6 inclusive are views similar to Fig. 3 and showing difierent specific plate forms and arrangements for carrying out the principles of the invention
- Fig. 7 is a view similar to Fig. 3 showing a variation in the rib arrangement of the plate structure
- Figs. 8 and 9 are plan views illustrating still other variations in plate rib arrange-: ments.
- the highly desirable increase in hydraulic radius is obtainable, not only without decrease in heat transfer efiiciency but with materially increased efilciency, by so locating and arranging the oblique furrows in the wall or walls of the channel that the lateral components of flow induced in different portions of the boundary layer at the same section tend to subdivide the gas column as a whole into a plurality of sub-columns flowing parallel to each other in the same general direction through the same channel, but with adjacent sub-columns within the same channel having lateral components of flow of opposed rotative sense with reference to the longitudinal axis of the channel, thus giving continuous helical paths of flow of opposed rotative sense to adjacent sub-columns.
- the plate structure comprises a plurality of similar plates indicated generally at H). These are usually of thin sheet metal capable of being rolled or stamped to desired configuration, but the invention is not necessarily limited to the use of metallic plates.
- the plates ID are formed to provide parallel spacing ridges l2 and 14, respectively, the former projecting from one side of the plate and the latter from the other. Between these ridges the plates are corrugated to provide a series of oblique furrows l6, which as will be observed from the drawings are relatively shallow as compared with the height of the ridges l2 and I4 and which are relatively narrow as compared with the distance between the ridges.
- the furrows are inclined at an angle of about 30 (which, however, may be varied) to the longitudinally extending ridges and insofar as the invention is concerned the furrows may be formed by corrugations of wavelike form as shown or with more sharply defined plane surfaces.
- the plates are assembled with the ridges of adjacent plates in laterally staggered relation to form a series of parallel channels l8 the confronting areas of the opposite side walls of which present furrows inclined obliquely and similarly toward the same lateral wall of the channel.
- the boundary layers of gas at the opposite side walls of the channel are each guided toward the same lateral wall of the channel and as a result these portions of the boundary layer at different places on the perimeter of the section, have lateral flow components of opposite rotative sense with reference to the longitudinal axis 20 of the channel, as indicated by arrows 22, the general direction of flow of the gases through the channel being indicated by arrows 24.
- the column of gas in the channel is subdivided into sub-columns having generally helical paths of flow of opposite rotative sense and as willreadily be observed from Fig. 3, the depth of the channel in relation to its width may be made considerably greater than if only a single helically flowing column were produced, because of the more positive lateral movement produced in thecentral core portion of the channel which operates to bring all of the molecules of gas rapidly very near or into actual contact with the wall surface of the channel. It will be understood that lengthwise of the channel the furrows of any one row incline in the same direction from end to end of the channel, so that each subcolumn of gas maintains rotative movement in the same sense throughout the length of the channel.
- width and; depth of channel giving the optimum result may vary considerably, particularly when it is taken into account that in some instances a very high rate of heat transfer is more important than the amount of pressure drop while in other instances ;the reverse may be true and in still other cases the criterion may be dependent on a combination' of both factors. Consequently, dimensions and proportions such as those given above are ,to'be considered illustrative only and in no sense limitin as to the scope of the invention.
- the plates may be ridged and corrugated as shown in Fig. 4, with the ridges 28' extending only on one side of the general plane of each-plate, or, as shown in Fig. 5, the spacing of tbpiplates may be effected by longitudinally extending ridges formed by separate ribs 30 spot welded, brazed or otherwise secured to the plates.
- the ridges whether formed by por tions of the plates or by separate ribs, constitute spacing means which also provide the lateral walls of the channels.
- the arrangement of the oblique furrows is not limited to the arrangement shown in the above described examples.
- the furrows between adjacent spacing ridges may have a herringbone or chevron form, with the furrows of confronting areas of adjacent plates bein inclined generally parallel to each other, thus tending to create in each channel four sub-columns as indicated by the arrows 32.
- plate structures capable of carrying the invention into effect can in most instances be made of packs or groups of plates of like configuration and as will be seen particularly from Figs. 3 and 4, the desired spacing between plates can readily be secured by means of spacing ridges which are in the form of open notches, this construction being particularly advantageous from a cost standpoint, since no separate distance pieces need be produced and attached to the plates. It is evident, however, that with plates such as shown in Fig. 4, lateral movement of one plate relative to another would permit the plates to "nest together since their configuration is the same. This cannot occur in the usual recuperative heat exchanger construction, which requires the plates to be fastened at their ends to headers or the like for distribution of the gases to the alternate sets of channels through which they flow.
- the advantages to be derived from use of plates of like configuration may be retained without risk of nesting, by the manner in which the parallel spacing ridges are distributed with reference to each other and/or to the marginal edges of the plate.
- the plates can be made alike but with the distance between adjacent spacing ridges different across the width of the plate.
- the desired object can be economically achieved, while retaining uniformity of distance between spacing ridges, by forming the sheet material in strip form longer than the required plates, with uniformly spaced ridges interrupted at intervals along their length.
- One such arrangement is shown in Fig. 8, in which the spacing ridges 38 are formed in longitudinall-y coextensive rows and the plates are sheared from the strip so that the spacing ridges are unequally spaced with respect to the end marginal edges of the plate, the distance a being less than distance b.
- reversal of alternate plates results in a longitudinal offset between the spacing ridges as indicated by the dotted line positions of spacing ridges 38a on such a reversed plate lying below the plate shown in full lines.
- Fig. 9 shows still another arrangement in which the interruptions in the spacing ridges all are staggered and the plates cut so that when alternate plates are reversed their spacing ridges are located as indicated by the dotted outlines 48a.
- a heat exchange plate structure comprising a pack of plates with parallel spacing ridges providing a plurality of parallel straight channels of substantially constant cross sectional area for flow of gaseous heat exchanging fluid between adjacent plates, each of said channels having spaced side walls formed by confronting portions of adjacent plates and lateral Walls formed by adjacent spacing ridges and the width of said side walls being several times that of said lateral walls, and a plurality of furrows in each of the side walls of each channel, said furrows being relatively narrow and shallow as compared with the width and depth of said channels and the furrows in confronting areas of the opposite side walls of each channel extending obliquely and similarly toward the same lateral wall of the channel to thereby induce a lateral component of flow toward the same lateral wall in the boundary layers of gaseous fluid flowing through the channel adjacent to 'said confronting areas of said opposite walls of the channel.
- the pack is formed of like plates each provided with spacing ridges, the distances between adjacent ridges on the same plate being different, alternate plates being disposed substantially degrees from the position occupied by said ad- 3.
- the pack is formed of like plates each provided with spacing ridges having ends differently located with respect to the end marginal edges of the plates, alternate plates 'being disposed substantially 180 degrees from the position occupied by said adjacent plates to prevent adjacent plates from resting.
- a heat exchange plate structure comprising a pack of plates with parallel spacing ridges providing a plurality of parallel straight channels of substantially constant cross sectional area for flow of gaseous heat exchanging fluids between adjacent plates, each of said channels having spaced side walls formed by confronting portions of adjacent plates and lateral walls formed by adjacent spacing ridges and the width of said side walls being several times that of said lateral walls, and a plurality of furrows in each of the side walls of each channel, said furrows being relatively narrow and shallow as compared with the width and depth of said channels and the furrows in confronting areas of the opposite side walls of each channel extending obliquely and substantially parallel with each other toward the same lateral wall of the channel to thereby induce a lateral component of flow toward the same lateral wall in the boundary layers of gaseous fluid flowing through the channel adjacent to said confronting areas of said opposite side walls of the channel.
- a heat exchange plate structure comprising a pack of plates with parallel spacing ridges providing a plurality of parallel straight channels of substantially constant cross sectional area for flow of gaseous heat exchanging fluid between adjacent plates, each of said channels having spaced side walls formed by confronting portions of adjacent plates and lateral Walls formed by adjacent spacing ridges and the width of said side walls being several times that of said lateral walls, and a plurality of furrows in each of the side walls of each channel, said furrows being relatively narrow and shallow as compared with the width and depth of said channels and being of chevron form, the portions of the furrows in confronting areas of the opposite side walls of each channel extending I obliquely and substantially parallel with each other toward one of the lateral walls of the channel.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE418945A SE127755C1 (sv) | 1945-05-28 | 1945-05-28 | Elementsats för värmeväxlare |
Publications (1)
Publication Number | Publication Date |
---|---|
US2596642A true US2596642A (en) | 1952-05-13 |
Family
ID=49162292
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US669754A Expired - Lifetime US2596642A (en) | 1945-05-28 | 1946-05-15 | Heat exchanger |
Country Status (7)
Country | Link |
---|---|
US (1) | US2596642A (pt) |
CH (1) | CH253573A (pt) |
DE (1) | DE864560C (pt) |
FR (1) | FR927384A (pt) |
GB (1) | GB618606A (pt) |
NL (1) | NL68205C (pt) |
SE (1) | SE127755C1 (pt) |
Cited By (68)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2670936A (en) * | 1947-06-03 | 1954-03-02 | Air Preheater | Sinuous wire element as extended surface on undulated heat exchanger plate wall |
US2802646A (en) * | 1954-05-14 | 1957-08-13 | Air Preheater | Fluid reactant rotor in regenerative heat exchange apparatus |
US2917292A (en) * | 1957-03-29 | 1959-12-15 | Dow Chemical Co | Assemblies of extended surface elements for gas-liquid contact apparatus |
US2940736A (en) * | 1949-05-25 | 1960-06-14 | Svenska Rotor Maskiner Ab | Element set for heat exchangers |
US2946573A (en) * | 1956-06-18 | 1960-07-26 | Svenska Rotor Maskiner Ab | Rotary regenerative heat exchangers |
US3119446A (en) * | 1959-09-17 | 1964-01-28 | American Thermocatalytic Corp | Heat exchangers |
US3151675A (en) * | 1957-04-02 | 1964-10-06 | Lysholm Alf | Plate type heat exchanger |
US3252505A (en) * | 1962-06-22 | 1966-05-24 | Chrysler Corp | Rotary heat exchanger |
US3252506A (en) * | 1965-07-20 | 1966-05-24 | Chrysler Corp | Rotary heat exchanger |
US3260652A (en) * | 1955-10-25 | 1966-07-12 | Parsons C A & Co Ltd | Tubular heat exchange element |
US3291027A (en) * | 1965-02-10 | 1966-12-13 | Dual Jet Refrigeration Co | Air outlet nozzles for an air curtain device |
US3381747A (en) * | 1966-05-09 | 1968-05-07 | William J. Darm | Ventilating system |
US3661203A (en) * | 1969-11-21 | 1972-05-09 | Parkson Corp | Plates for directing the flow of fluids |
US3862661A (en) * | 1970-01-16 | 1975-01-28 | Leonid Maximovich Kovalenko | Corrugated plate for heat exchanger and heat exchanger with said corrugated plate |
US3901309A (en) * | 1974-05-16 | 1975-08-26 | Gen Motors Corp | Regenerator disk flexible rim |
US3981689A (en) * | 1974-10-15 | 1976-09-21 | Hitco | Insulator |
FR2343216A1 (fr) * | 1976-03-01 | 1977-09-30 | Hisaka Works Ltd | Condenseur de vapeur |
US4061183A (en) * | 1977-02-16 | 1977-12-06 | General Motors Corporation | Regenerator matrix |
FR2371654A1 (fr) * | 1976-09-08 | 1978-06-16 | Hisaka Works Ltd | Condenseur a plaques |
US4182411A (en) * | 1975-12-19 | 1980-01-08 | Hisaka Works Ltd. | Plate type condenser |
US4209064A (en) * | 1978-08-25 | 1980-06-24 | General Electric Company | Panel-type radiator for electrical apparatus |
US4230179A (en) * | 1979-07-09 | 1980-10-28 | Haruo Uehara | Plate type condensers |
US4237970A (en) * | 1979-05-07 | 1980-12-09 | Haruo Uehara | Plate type condensers |
US4291759A (en) * | 1979-08-28 | 1981-09-29 | Hisaka Works, Limited | Cross-current type plate heat exchanger |
US4352393A (en) * | 1980-09-02 | 1982-10-05 | Caterpillar Tractor Co. | Heat exchanger having a corrugated sheet with staggered transition zones |
FR2517045A1 (fr) * | 1981-11-23 | 1983-05-27 | Air Preheater | Assemblage d'element de transmission de la chaleur pour echangeur de chaleur |
US4449573A (en) * | 1969-06-16 | 1984-05-22 | Svenska Rotor Maskiner Aktiebolag | Regenerative heat exchangers |
US4461733A (en) * | 1983-03-28 | 1984-07-24 | Arvin Industries, Inc. | Capillary fin media |
US4470454A (en) * | 1982-08-19 | 1984-09-11 | Avco Corporation | Primary surface for compact heat exchangers |
US4470453A (en) * | 1982-08-19 | 1984-09-11 | Avco Corporation | Primary surface for compact heat exchangers |
US4492268A (en) * | 1979-09-14 | 1985-01-08 | Hisaka Works, Ltd. | Condenser |
US4500330A (en) * | 1983-05-31 | 1985-02-19 | Evapco, Inc. | Drift eliminator |
EP0147866A2 (en) * | 1983-12-29 | 1985-07-10 | Fläkt Aktiebolag | Plate heat exchanger |
US4544513A (en) * | 1983-04-15 | 1985-10-01 | Arvin Industries, Inc. | Combination direct and indirect evaporative media |
EP0156223A2 (en) * | 1984-03-28 | 1985-10-02 | The Air Preheater Company, Inc. | Method for manufacturing heat transfer element sheets for a rotary regenerative heat exchanger |
US4579694A (en) * | 1983-12-29 | 1986-04-01 | Evapco, Inc. | Wet deck fill |
US4732713A (en) * | 1984-10-03 | 1988-03-22 | Aktiebolaget Carl Munters | Insertable contact body |
WO1988006708A1 (en) * | 1987-02-24 | 1988-09-07 | The Air Preheater Company, Inc. | Heat transfer element assembly |
US4930569A (en) * | 1989-10-25 | 1990-06-05 | The Air Preheater Company, Inc. | Heat transfer element assembly |
WO1998022768A1 (en) * | 1996-11-22 | 1998-05-28 | Abb Air Preheater, Inc. | Air preheater heat transfer surface |
US5803158A (en) * | 1996-10-04 | 1998-09-08 | Abb Air Preheater, Inc. | Air preheater heat transfer surface |
WO1999014543A1 (en) * | 1997-09-15 | 1999-03-25 | Abb Air Preheater, Inc. | Air preheater heat transfer surface |
US5983985A (en) * | 1997-06-13 | 1999-11-16 | Abb Air Preheater, Inc. | Air preheater heat transfer elements and method of manufacture |
WO2000036356A1 (en) * | 1998-12-16 | 2000-06-22 | Abb Air Preheater, Inc. | Heat transfer element assembly |
US6098706A (en) * | 1995-12-04 | 2000-08-08 | Eco Air Limited | Heat exchanger |
EP1048918A2 (en) * | 1999-04-28 | 2000-11-02 | Haruo Uehara | Evaporator |
EP1058078A2 (en) * | 1999-05-31 | 2000-12-06 | Haruo Uehara | Condenser |
US6516871B1 (en) * | 1999-08-18 | 2003-02-11 | Alstom (Switzerland) Ltd. | Heat transfer element assembly |
US6517058B1 (en) * | 2000-03-02 | 2003-02-11 | Sandkuhl Clay Works, Inc. | Fill packs for use in heat and mass transfer devices |
US20040031599A1 (en) * | 2002-05-08 | 2004-02-19 | Smiths Group Plc | Heat exchanger |
US6892795B1 (en) * | 2000-10-04 | 2005-05-17 | Airxchange, Inc. | Embossed regenerator matrix for heat exchanger |
US20060254751A1 (en) * | 2002-02-04 | 2006-11-16 | Sinha Sumon K | System and method for using a flexible composite surface for pressure-drop free heat transfer enhancement and flow drag reduction |
US20070006998A1 (en) * | 2005-07-07 | 2007-01-11 | Viktor Brost | Heat exchanger with plate projections |
WO2007012874A1 (en) * | 2005-07-29 | 2007-02-01 | Howden Uk Limited | Heat exchange surface |
US20090025911A1 (en) * | 2007-07-24 | 2009-01-29 | Shih-Wei Chang | Heat dissipation device with coarse surface capable of intensifying heat transfer |
US20100282437A1 (en) * | 2009-05-08 | 2010-11-11 | Birmingham James W | Heat transfer sheet for rotary regenerative heat exchanger |
WO2011022131A2 (en) | 2009-08-19 | 2011-02-24 | Alstom Technology Ltd | Heat transfer element for a rotary regenerative heat exchanger |
US20120305217A1 (en) * | 2011-06-01 | 2012-12-06 | Alstom Technology Ltd | Heating element undulation patterns |
CN103185471A (zh) * | 2012-03-05 | 2013-07-03 | 哈尔滨工大金涛科技股份有限公司 | 管排流道式污水换热器 |
EP2896921A1 (en) | 2014-01-13 | 2015-07-22 | Alstom Technology Ltd | Heat exchanger effluent collector |
US20160202004A1 (en) * | 2013-09-19 | 2016-07-14 | Howden Uk Limited | Heat exchange element profile with enhanced cleanability features |
US20170102193A1 (en) * | 2015-10-07 | 2017-04-13 | Arvos Inc. | Alternating notch configuration for spacing heat transfer sheets |
CN108151578A (zh) * | 2018-02-02 | 2018-06-12 | 三三空品节能科技股份有限公司 | 一种填料和v型气水换热装置 |
WO2018125134A1 (en) | 2016-12-29 | 2018-07-05 | Arvos, Ljungstrom Llc. | A heat transfer sheet assembly with an intermediate spacing feature |
US20190003778A1 (en) * | 2017-06-29 | 2019-01-03 | Howden Uk Limited | Heat transfer elements for rotary heat exchangers |
US10175006B2 (en) | 2013-11-25 | 2019-01-08 | Arvos Ljungstrom Llc | Heat transfer elements for a closed channel rotary regenerative air preheater |
US10378829B2 (en) | 2012-08-23 | 2019-08-13 | Arvos Ljungstrom Llc | Heat transfer assembly for rotary regenerative preheater |
US10914527B2 (en) | 2006-01-23 | 2021-02-09 | Arvos Gmbh | Tube bundle heat exchanger |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL105005C (pt) * | 1955-11-16 | |||
GB1252319A (pt) * | 1969-06-16 | 1971-11-03 | ||
SE423750B (sv) * | 1977-01-14 | 1982-05-24 | Munters Ab Carl | Anordning vid vermevexlare for sensibel och/eller latent vermeoverforing |
WO1981000617A1 (en) * | 1979-08-23 | 1981-03-05 | Hisaka Works Ltd | Plate type heat exchanger |
US4475589A (en) * | 1981-01-21 | 1984-10-09 | Tokyo Shibaura Denki Kabushiki Kaisha | Heat exchanger device |
DE8522627U1 (de) * | 1985-08-06 | 1985-09-19 | Röhm GmbH, 6100 Darmstadt | Plattenwärmetauscher |
IT1204157B (it) * | 1986-02-07 | 1989-03-01 | Fonderie E Officine San Giorgi | Scambiatore di calore particolarmente adatto ad essere impiegato come recuperatore di calore da gas umidi |
US5555933A (en) * | 1994-07-14 | 1996-09-17 | Solar Turbines Incorporated | Primary surface heat exchanger for use with a high pressure ratio gas turbine engine |
DE19933426C2 (de) * | 1999-07-16 | 2002-11-14 | Christoph Schmid | Wärmetauschermodul |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1762556A (en) * | 1927-06-01 | 1930-06-10 | Lewis C Marshall | Process and apparatus for making piston rings |
US1823481A (en) * | 1927-10-12 | 1931-09-15 | Ljungstroms Angturbin Ab | Heat exchange device |
FR759598A (fr) * | 1930-05-21 | 1934-02-05 | Ljungstroms Angturbin Ab | Masse transmettrice de chaleur pour appareils de transmission de chaleur à régénération |
US2023965A (en) * | 1930-05-21 | 1935-12-10 | Ljungstroms Angturbin Ab | Heat transfer |
US2064931A (en) * | 1931-12-21 | 1936-12-22 | Ljungstroms Angturbin Ab | Heat transfer |
-
1945
- 1945-05-28 SE SE418945A patent/SE127755C1/sv unknown
-
1946
- 1946-05-15 US US669754A patent/US2596642A/en not_active Expired - Lifetime
- 1946-05-21 NL NL125462A patent/NL68205C/xx active
- 1946-05-22 GB GB15540/46A patent/GB618606A/en not_active Expired
- 1946-05-27 FR FR927384D patent/FR927384A/fr not_active Expired
- 1946-05-28 CH CH253573D patent/CH253573A/de unknown
-
1948
- 1948-12-14 DE DEP24739A patent/DE864560C/de not_active Expired
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1762556A (en) * | 1927-06-01 | 1930-06-10 | Lewis C Marshall | Process and apparatus for making piston rings |
US1823481A (en) * | 1927-10-12 | 1931-09-15 | Ljungstroms Angturbin Ab | Heat exchange device |
FR759598A (fr) * | 1930-05-21 | 1934-02-05 | Ljungstroms Angturbin Ab | Masse transmettrice de chaleur pour appareils de transmission de chaleur à régénération |
US2023965A (en) * | 1930-05-21 | 1935-12-10 | Ljungstroms Angturbin Ab | Heat transfer |
US2064931A (en) * | 1931-12-21 | 1936-12-22 | Ljungstroms Angturbin Ab | Heat transfer |
Cited By (106)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2670936A (en) * | 1947-06-03 | 1954-03-02 | Air Preheater | Sinuous wire element as extended surface on undulated heat exchanger plate wall |
US2940736A (en) * | 1949-05-25 | 1960-06-14 | Svenska Rotor Maskiner Ab | Element set for heat exchangers |
US2802646A (en) * | 1954-05-14 | 1957-08-13 | Air Preheater | Fluid reactant rotor in regenerative heat exchange apparatus |
US3260652A (en) * | 1955-10-25 | 1966-07-12 | Parsons C A & Co Ltd | Tubular heat exchange element |
US2946573A (en) * | 1956-06-18 | 1960-07-26 | Svenska Rotor Maskiner Ab | Rotary regenerative heat exchangers |
US2917292A (en) * | 1957-03-29 | 1959-12-15 | Dow Chemical Co | Assemblies of extended surface elements for gas-liquid contact apparatus |
US3151675A (en) * | 1957-04-02 | 1964-10-06 | Lysholm Alf | Plate type heat exchanger |
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Also Published As
Publication number | Publication date |
---|---|
FR927384A (fr) | 1947-10-28 |
CH253573A (de) | 1948-03-15 |
GB618606A (en) | 1949-02-24 |
NL68205C (pt) | 1951-06-16 |
DE864560C (de) | 1953-01-26 |
SE127755C1 (sv) | 1950-03-28 |
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