US3909161A - Rotary pumps or engines of the sliding, rocking, abutment type - Google Patents

Rotary pumps or engines of the sliding, rocking, abutment type Download PDF

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Publication number
US3909161A
US3909161A US349750A US34975073A US3909161A US 3909161 A US3909161 A US 3909161A US 349750 A US349750 A US 349750A US 34975073 A US34975073 A US 34975073A US 3909161 A US3909161 A US 3909161A
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United States
Prior art keywords
displacement member
rocking
chamber
vane
housing
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Expired - Lifetime
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US349750A
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English (en)
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Eric John Stenner
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/32—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movement defined in groups F04C2/02 and relative reciprocation between co-operating members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C1/00—Rotary-piston machines or engines
    • F01C1/30—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F01C1/32—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movement defined in group F01C1/02 and relative reciprocation between the co-operating members
    • F01C1/324—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movement defined in group F01C1/02 and relative reciprocation between the co-operating members with vanes hinged to the inner member and reciprocating with respect to the outer member
    • F01C1/328—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movement defined in group F01C1/02 and relative reciprocation between the co-operating members with vanes hinged to the inner member and reciprocating with respect to the outer member and hinged to the outer member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four

Definitions

  • ABSTRACT A rotary pump or engine of the sliding rocking abutment type having an orbiting displacement member operating in a body cavity with abutments moving therewith and rocking in rocking members mounted in the body and having in each rocking member a passageway, or passageways the orifices of which coact with parts of the pump body so that as the abutments and rocking members are moved by the displacement member, the orifices are opened and closed by coaction with the body parts.
  • the displacement member is provided with an internal chamber in which a further displacement member operates to give an inner pump of the sliding rocking abutment type.
  • This invention relates to rotary pumps or engines of the sliding rocking abutment type, that is to say a rotary pump having a body with at least one variable volume chamber therein, a piston or displacement member moving in the or each said chamber so as to cause a variable volume action in that chamber, a sliding rocking abutment movable by said displacement member for each said variable volume chamber, members defining a passageway or passageways whereby fluid may be admitted to and delivered from said or each of said variable volume chambers and a rocking member for each said abutment, said rocking member being mounted in said body so that the abutment slides therein causing a rocking movement of said rocking member during movement of said displacement member.
  • the invention consists in a rotary engine comprising a body having a cavity defined by an internal peripheral wall and opposed end walls, a shaft rotatably supported in the body, a displacement member journalled eccentrically on said shaft to describe an orbital path within the cavity upon relative rotation between the shaft and the housing, a plurality of vanes, one of which is disposed radially relative to said displacement member and the others of which are adapted to rotate over an are relative to said displacement member, rocking members rockably mounted in a mounting therefor in said body and having members defining a vane slot therein, suitable clearances being provided between each vane and the displacement member, the housing peripheral wall and the housing end walls divide the cavity into a plurality of chambers, the volume of each chamber varying as the displacement member orbits and means to regulate the admission to and exhausting from each chamber in sequence of a working fluid to induce orbiting of the piston member and resultant relative rotation between the shaft and the housing.
  • the invention consists in a pump comprising a housing having a cavity defined by an internal peripheral wall and opposed end walls, a shaft rotatably supported in the housing, a piston member journalled eccentrically on said shaft to describe an orbital path within the cavity upon relative rotation between the shaft and the housing, a plurality of vanes disposed on the periphery of said piston member, one of said vanes being disposed radially and the others of said vanes being rotatably mounted on said piston member so as to move through an arc of movement, a rocking member for each said vane mounted in a mounting therefor in said body and having members defining a vane slot therein in which the appropriate vane slides, sealing means operatively disposed be tween each vane and the piston member, the housing peripheral wall and the housing end walls divide the cavity into a plurality of chambers, the volume of each chamber varying as the piston member orbits and means to regulate the admission to and exhausting from each chamber in sequence of a working fluid so that orbiting of the
  • a valve should be provided, for example, on the delivery side of the machine when used as a pump so that as the pressure generated in the pumping chamber by movement of the piston or displacement member therein approaches a desired pressure, the valve should be opened to permit flow of fluid from the pump through the delivery means and when the discharge of fluid is completed, the valve should be closed.
  • a valve action is needed in each chamber to give correct engine action.
  • valves in this position are either what is known as a Clack valve, that is to say a loose valve which is lifted by the pressure differential between the pumping chamber and the delivery means or a poppet valve.
  • Clack valve that is to say a loose valve which is lifted by the pressure differential between the pumping chamber and the delivery means or a poppet valve.
  • Such valves are noisy and are subject to wear or necessitate complicated valve operating mechanism.'
  • the invention consists in a valve means comprising a body, members defining fluid passageways in said body, a variable volume chamber in said body, a movable displacement member in said chamber, a rocking member rockably mounted in a mounting therefor in said body, and having members defining an abutment member slot therein, an abutment member movable by said displacement member and slidable in said slot so as to rock said rocking member in its mounting, members defining a passageway in said rocking member, with members defining an inner and an outer orifice at appropriate ends of said passageway and parts of said body adjacent said rocking member mounting which coact with a selected one of said orifices to place said chamber in communication with said fluid passageway in said body through said passageway in said rocking member when the latter is appropriately positioned by movement of said abutment member due to movement of said displacement member, the movement 'of said rocking member causing said parts of said body adjacent said rocking member mounting to coact with said selected one of said orifice
  • FIG. 1 is a partly diagrammatic cross section of a three cylinder rotary engine according to the invention
  • FIG. 2 is a longitudinal cross section of the engine shown in FIG. 1 and,
  • FIGS. 3, 4 and 5 are partly diagrammatic cross sections of forms of a pump according to the invention.
  • FIGS. 1 and 2 a rotary engine according to the invention is shown in FIGS. 1 and 2 having a body 1 in which a displacement member or piston 2 is orbited by being mounted eccentrically in end members and 11 of the body 1.
  • the engine shown is a three cylinder engine and accordingly three variable volume chambers i.e. combustion chambers referenced 3,4 and 5 are provided by abutment members 6,7 and 8 respectively.
  • the abutment members in turn move in rocking members 9 mounted in the body 1.
  • the rocking members 9 obstruct communications from the chambers 3, 4 and 5 with passageways 12 provided in the body 1.
  • the abutment member 6 is fixed relative to the piston 2 by being welded, bolted or otherwise fastened thereto and the abutment members 7 and 8 have rocking connections and 16 respectively with the piston 2.
  • the rocking connections comprise a cylindrical hole with an open slot smaller than the hole diameter in which a bulbous enlargement 13 engages.
  • the rocking members 9 each have a passageway 17 therein, each passageway having an orifice at each end bearing the references 18 and 19 which coact with adjacent parts of the body 20 and 21 so that as the rocking members 9 rock, the orifices 18 and 19 are either covered or uncovered by the appropriate parts of the body.
  • the body is made up of a casing 22 with which is associated the pair of end plates 10 and 11.
  • the end plates have a gallery 23 for fuel, a gallery 24 for air, a gallery 25 for cooling water and a gallery 26 for exhaust with connections leading appropriately to the chambers and other parts as desired.
  • the end plates also carry bearings 27 for a main shaft 28.
  • the main shaft has a main eccentric 29 and associated bearing 30 which coact with the piston or displacement member 2 causing the latter to orbit, that is to say the member 2 moves in a cycle within the chambers 3, 4 and 5 but does not rotate, being prevented from rotation by the fixing of the abutment member 6 to the piston 2.
  • a further eccentric 14 is provided and by adjusting the position of the piston 2 on the eccentric 14 and then fixing them to each other, clearance of the piston 2 in casing 22 may be adjusted.
  • a pumping system is provided within the piston 2 by a further piston displacement member 31 mounted on the shaft 28 either with the shaft 28 rotating within the further piston 31 or by means of a further eccentric 32 so that the further piston 31 is given an orbiting movement by rotation of the shaft 28 and eccentric 32.
  • the eccentric 32 may be adjusted for clearance by an eccentric similar to the eccentric 14.
  • vanes 34 divide the space between the external wall 35 of the further piston and the internal wall 36 of the piston 2 into chambers 37, 38 and 39 with the vanes 34 being mounted in the piston 2 in rocking members 51 having passageways 52 therein which coact with parts of the piston 2 to cause opening and closing thereof as the vanes rock in their mountings to cause communication through passageways 53 to the chambers 3, 4 and 5 as appropriate.
  • the opposite ends of the vanes 34 are also mounted in rockable members 55 having passageways 56.
  • the vanes 34 reach into chambers 61 and the chambers 61 may be used as pumps e.g.
  • fuel injection pumps for pumping fuel into the appropriate chambers 37,38 or 39 and these chambers in turn are used as air injection pumps adapted to pump air into the chambers 3, 4 or 5 as the engine operates through its cycle of operation.
  • Air is admitted through apertures 62 in the end walls 10 and l l to chambers 37,38 and 39 and similarly fuel may be admitted through similar apertures 63 for pumping in chambers 61.
  • Spark plugs 64 are provided to cause ignition of a gas air mixture in the chambers 3, 4 and 5.
  • the relative dimensions of the two pistons 2 and 31 and the eccentrics 29 and 32 are chosen so that parts of the surfaces 35 and 36 contact each other as the piston 31 orbits.
  • the piston 2 has parts of its surface 65 contacting the inner surface 66 of the chambers 3,4 and 5 again as shown in FIG. 1. Accordingly in use there is a pumping action in thechambers 37, 38 and 39, the pumping action in the chambers 61 and a two stroke internal combustion actionin the chambers 3, 4 and 5, with the various valves operating in accordance with the usual cycles of such pumps and two stroke internal combustion engines.
  • valve mechanism is much simpler and there is the particular advantage that a two stroke engine is provided in which the exhaust gases are positively swept out of the combustion spaces and without any intermingling of the incoming gases with the exhaust gases.
  • FIG. 3 a pump construction is shown in that figure which is substantially the same as the engine construction shown in FIGS. 1 and 2 except that air inlets 71 are provided and the construction internal of the piston 2 is of a single chamber further pump provided by a further piston 72 and vane 73 with the latter rocking in a rocking member 74, the vane 73 being fixed to the vane 6 at 75.
  • a two stage pump is pro vided within the same compass as a single cylinder pump.
  • Fig. 4 is a construction similar to that shown in FIG. 1 but for use as a pump and not as an engine. Similar parts are given similar references in this figure to those shown in FIG. 1.
  • FIG. 5 shows a pump having four pumping chambers 81, 82,83 and 84, separated from each other by vanes 85,86,87 and 88, each being interconnected with the piston or displacement member 89 with the member being fixed as shown and the members 86,87 and 88 being pivoted as at 90, and the fixing of the vane 85 being shown at 91.
  • the vanes rock in rocking members 92,93,94 and and these vanes again have passageways 96 co-operating with parts of the body 101 in the same manner as above described. This construction shows that any reasonable plurality of piston chambers may be provided.
  • the rotary engine may be used as a two or four stroke engine and passageways similar to passageways 17 may be provided in the rocking members 9 on the other side of the vanes 7 as well as on the side shown to give a desired valving action.
  • the construction has particular advantages because of the positive swept exhaust above referred to and because interchanging may be effected by the pump internal of the piston 2, and fuel injection effected in chambers 61.
  • each chamber is sealed during its power stroke throughout the full length of that stroke.
  • the construction may be used in one or other of the forms shown:
  • the movement of the vanes 34 in the cavities 61 in association with the inner and outer pump may be used as a three stage pump and, of course, the inner and outer pump may be used as a two stage pump as will be clear from the forms of the invention shown in FIGS. 3 and 4.
  • a modular construction may be provided in which a series of pumps or engines may be placed end to end with the shafts interconnected by dogs, preferably with phase differences between the displacement members of adjacent pumps or engines to provide a modular assembly, each unit in the assembly being according to the foregoing.
  • a pump comprising a housing having a cavity defined by an internal peripheral wall and opposed end walls, a shaft rotatably supported in the housing, a piston member journalled eccentrically on said shaft to describe an orbital path within the cavity upon relative rotation between the shaft and the housing, a plurality of vanes disposed on the periphery of said piston member, one of said vanes being disposed radially and the other of said vanes being rotatably mounted on said piston member so as to move through an arc of movement, a rocking member for each said vane mounted in a mounting therefor in said body and having members defining a vane slot therein in which the appropriate vane slides, sealing means operatively disposed between each vane and the piston member, the housing peripheral wall and the housing end walls to divide the cavity into a plurality of chambers, the volume of each chamber varying as the piston member orbits and means to regulate the admission to and exhausting from each chamber in sequence of a working fluid so that orbiting of the piston member causes such working fluid to be drawn into a chamber and
  • a rotary engine comprising a body having a cavity defined by an internal peripheral wall and opposed end walls, a shaft rotatably supported in the body, a displacement member journalled eccentrically on said shaft to describe an orbital path within the cavity upon relative rotation between the shaft and the housing, a plurality of vanes, one of which is disposed radially relative to said displacement member and the others of which are adapted to rotate over an arc relative to said displacement member, rocking members rockably mounted in a mounting therefor in said body and having members defining a vane slot therein, with suitable clearances being provided between each vane and the displacement member, the housing peripheral wall and the housing end walls dividing the cavity into a plurality of chambers, the volume of each chamber varying as the displacement member orbits, and means to regulate the admission to and exhausting from each chamber in sequence of a working fluid to induce orbiting of the displacement member and resultant relative rotation between the shaft and the housing in which at least one valve for each chamber is provided by a through passageway in the rocking member of a vane associated

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Rotary Pumps (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
US349750A 1972-04-10 1973-04-10 Rotary pumps or engines of the sliding, rocking, abutment type Expired - Lifetime US3909161A (en)

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Application Number Priority Date Filing Date Title
NZ16683272 1972-04-10

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US (1) US3909161A (zh)
JP (1) JPS5232402B2 (zh)
AT (1) AT323562B (zh)
AU (1) AU474949B2 (zh)
BE (1) BE798025A (zh)
CA (1) CA991478A (zh)
CH (1) CH568473A5 (zh)
DE (1) DE2317427C3 (zh)
ES (1) ES413503A1 (zh)
FI (1) FI56576C (zh)
FR (1) FR2180346A5 (zh)
GB (1) GB1415564A (zh)
IN (1) IN139513B (zh)
IT (1) IT980799B (zh)
NL (1) NL7304995A (zh)
ZA (1) ZA732299B (zh)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4181479A (en) * 1978-01-23 1980-01-01 Borg-Warner Corporation Balanced gerotor device with eccentric drive
US5236318A (en) * 1991-10-18 1993-08-17 Tecumseh Products Company Orbiting rotary compressor with adjustable eccentric
US5302095A (en) * 1991-04-26 1994-04-12 Tecumseh Products Company Orbiting rotary compressor with orbiting piston axial and radial compliance
US6179593B1 (en) * 1997-03-19 2001-01-30 Hitachi, Ltd. Displacement fluid machine
US6746223B2 (en) 2001-12-27 2004-06-08 Tecumseh Products Company Orbiting rotary compressor
US20070065324A1 (en) * 2004-05-24 2007-03-22 Daikin Industries Ltd. Rotary compressor
RU2467183C1 (ru) * 2011-03-16 2012-11-20 Алексей Александрович Соболев Способ работы роторно-поршневого двигателя внутреннего сгорания и роторно-поршневой двигатель внутреннего сгорания
US20160115957A1 (en) * 2013-06-06 2016-04-28 Nippon Soken, Inc. Rotary compression mechanism
CN105781738A (zh) * 2016-02-02 2016-07-20 苗军 滑板转子发动机
WO2020150797A1 (pt) * 2019-01-24 2020-07-30 Carballada Manuel Exposito Motor de combustão

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5227267A (en) * 1975-08-25 1977-03-01 Nec Home Electronics Ltd Semiconductor manufacturing process
DE2857309C2 (de) * 1978-06-08 1982-10-28 Wilhelm 7120 Bietigheim-Bissingen Schmid Steuerung einer Rotationskolben-Brennkraftmaschine mit Kreis- und Hubeingriff
AT399371B (de) * 1987-08-05 1995-04-25 Avl Verbrennungskraft Messtech Hubkolben-brennkraftmaschine
DE4326098A1 (de) * 1993-08-04 1995-02-09 Ict Afq Gmbh Chemnitz Hydrostatische Maschine
EP1138876B1 (en) 2000-03-31 2004-12-22 OTICE Establishment Internal combustion engine
DE10155870A1 (de) * 2001-11-14 2003-05-22 Zahnradfabrik Friedrichshafen Oszillatorpumpe
DE10155872A1 (de) * 2001-11-14 2003-05-22 Zahnradfabrik Friedrichshafen Oszillatorpumpe
DE10155871A1 (de) * 2001-11-14 2003-05-22 Zahnradfabrik Friedrichshafen Oszillatorpumpe
DE10155869A1 (de) * 2001-11-14 2003-05-22 Zahnradfabrik Friedrichshafen Oszillatorpumpe
DE10155876A1 (de) * 2001-11-14 2003-05-22 Zahnradfabrik Friedrichshafen Oszillatorpumpe

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US822700A (en) * 1905-06-21 1906-06-05 Watson Birdsall Rulon Rotary engine.
US1054211A (en) * 1911-09-08 1913-02-25 Justus R Kinney Air-compressor.
US1350159A (en) * 1919-08-01 1920-08-17 Sven A Johnson Air-compressor
US1419915A (en) * 1922-06-20 Rotaby compsessob
US2800274A (en) * 1954-06-07 1957-07-23 Vadim S Makaroff Compressors
US3563678A (en) * 1968-03-29 1971-02-16 Peter Sadler Pumps
US3703344A (en) * 1970-01-30 1972-11-21 Teodoro Reitter Internal combustion rotary engine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1419915A (en) * 1922-06-20 Rotaby compsessob
US822700A (en) * 1905-06-21 1906-06-05 Watson Birdsall Rulon Rotary engine.
US1054211A (en) * 1911-09-08 1913-02-25 Justus R Kinney Air-compressor.
US1350159A (en) * 1919-08-01 1920-08-17 Sven A Johnson Air-compressor
US2800274A (en) * 1954-06-07 1957-07-23 Vadim S Makaroff Compressors
US3563678A (en) * 1968-03-29 1971-02-16 Peter Sadler Pumps
US3703344A (en) * 1970-01-30 1972-11-21 Teodoro Reitter Internal combustion rotary engine

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4181479A (en) * 1978-01-23 1980-01-01 Borg-Warner Corporation Balanced gerotor device with eccentric drive
US5302095A (en) * 1991-04-26 1994-04-12 Tecumseh Products Company Orbiting rotary compressor with orbiting piston axial and radial compliance
US5383773A (en) * 1991-04-26 1995-01-24 Tecumseh Products Company Orbiting rotary compressor having axial and radial compliance
US5236318A (en) * 1991-10-18 1993-08-17 Tecumseh Products Company Orbiting rotary compressor with adjustable eccentric
US6179593B1 (en) * 1997-03-19 2001-01-30 Hitachi, Ltd. Displacement fluid machine
US6746223B2 (en) 2001-12-27 2004-06-08 Tecumseh Products Company Orbiting rotary compressor
US20070065324A1 (en) * 2004-05-24 2007-03-22 Daikin Industries Ltd. Rotary compressor
US7607904B2 (en) * 2004-05-24 2009-10-27 Daikin Industries, Ltd. Rotary compressor with low pressure space surrounding outer peripheral face of compression mechanism and discharge passage passing through housing
RU2467183C1 (ru) * 2011-03-16 2012-11-20 Алексей Александрович Соболев Способ работы роторно-поршневого двигателя внутреннего сгорания и роторно-поршневой двигатель внутреннего сгорания
US20160115957A1 (en) * 2013-06-06 2016-04-28 Nippon Soken, Inc. Rotary compression mechanism
US10145373B2 (en) * 2013-06-06 2018-12-04 Denso Corporation Rotary compression mechanism
CN105781738A (zh) * 2016-02-02 2016-07-20 苗军 滑板转子发动机
WO2020150797A1 (pt) * 2019-01-24 2020-07-30 Carballada Manuel Exposito Motor de combustão
CN113544359A (zh) * 2019-01-24 2021-10-22 曼纽尔·埃克斯波西托·卡巴拉达 一种燃烧机

Also Published As

Publication number Publication date
IT980799B (it) 1974-10-10
DE2317427B2 (zh) 1978-10-19
ZA732299B (en) 1974-03-27
IN139513B (zh) 1976-06-26
AU474949B2 (en) 1976-08-05
BE798025A (fr) 1973-07-31
AU5421573A (en) 1974-10-10
FR2180346A5 (zh) 1973-11-23
CA991478A (en) 1976-06-22
CH568473A5 (zh) 1975-10-31
NL7304995A (zh) 1973-10-12
DE2317427A1 (de) 1973-10-31
JPS4947709A (zh) 1974-05-09
GB1415564A (en) 1975-11-26
DE2317427C3 (de) 1979-06-13
FI56576C (fi) 1980-02-11
JPS5232402B2 (zh) 1977-08-22
AT323562B (de) 1975-07-25
ES413503A1 (es) 1976-06-16
FI56576B (fi) 1979-10-31

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