BR7702518A - Compressor de deslocamento variavel - Google Patents
Compressor de deslocamento variavelInfo
- Publication number
- BR7702518A BR7702518A BR7702518A BR7702518A BR7702518A BR 7702518 A BR7702518 A BR 7702518A BR 7702518 A BR7702518 A BR 7702518A BR 7702518 A BR7702518 A BR 7702518A BR 7702518 A BR7702518 A BR 7702518A
- Authority
- BR
- Brazil
- Prior art keywords
- variable displacement
- displacement compressor
- compressor
- variable
- displacement
- Prior art date
Links
Classifications
-
- 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
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/14—Control
- F04B27/16—Control of pumps with stationary cylinders
- F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
- F04B27/1804—Controlled by crankcase pressure
-
- 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
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/14—Control
- F04B27/16—Control of pumps with stationary cylinders
- F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
- F04B27/1804—Controlled by crankcase pressure
- F04B2027/1809—Controlled pressure
- F04B2027/1813—Crankcase pressure
-
- 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
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/14—Control
- F04B27/16—Control of pumps with stationary cylinders
- F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
- F04B27/1804—Controlled by crankcase pressure
- F04B2027/1822—Valve-controlled fluid connection
- F04B2027/1827—Valve-controlled fluid connection between crankcase and discharge chamber
-
- 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
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/14—Control
- F04B27/16—Control of pumps with stationary cylinders
- F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
- F04B27/1804—Controlled by crankcase pressure
- F04B2027/1822—Valve-controlled fluid connection
- F04B2027/1831—Valve-controlled fluid connection between crankcase and suction chamber
-
- 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
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/14—Control
- F04B27/16—Control of pumps with stationary cylinders
- F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
- F04B27/1804—Controlled by crankcase pressure
- F04B2027/184—Valve controlling parameter
- F04B2027/1845—Crankcase pressure
-
- 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
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/14—Control
- F04B27/16—Control of pumps with stationary cylinders
- F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
- F04B27/1804—Controlled by crankcase pressure
- F04B2027/184—Valve controlling parameter
- F04B2027/1859—Suction pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Reciprocating Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/679,547 US4037993A (en) | 1976-04-23 | 1976-04-23 | Control system for variable displacement compressor |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7702518A true BR7702518A (pt) | 1978-02-28 |
Family
ID=24727354
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7702518A BR7702518A (pt) | 1976-04-23 | 1977-04-20 | Compressor de deslocamento variavel |
Country Status (7)
Country | Link |
---|---|
US (1) | US4037993A (pt) |
JP (1) | JPS52131204A (pt) |
AU (1) | AU505611B2 (pt) |
BR (1) | BR7702518A (pt) |
DE (1) | DE2718117A1 (pt) |
FR (1) | FR2349048A1 (pt) |
IT (1) | IT1078415B (pt) |
Families Citing this family (105)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4138203A (en) * | 1977-05-19 | 1979-02-06 | Slack Don S | Swash plate compressor |
US4145163A (en) * | 1977-09-12 | 1979-03-20 | Borg-Warner Corporation | Variable capacity wobble plate compressor |
US4174191A (en) * | 1978-01-18 | 1979-11-13 | Borg-Warner Corporation | Variable capacity compressor |
US4231713A (en) * | 1979-04-09 | 1980-11-04 | General Motors Corporation | Compressor modulation delay valve for variable capacity compressor |
CA1123402A (en) * | 1978-04-17 | 1982-05-11 | Richard E. Widdowson | Pressure operated hydraulic control valve |
US4236875A (en) * | 1979-10-04 | 1980-12-02 | General Motors Corporation | Pressure operated hydraulic control valve |
US4297085A (en) * | 1979-10-31 | 1981-10-27 | General Motors Corporation | Guide mechanism for compressor socket plate |
US4428718A (en) * | 1982-02-25 | 1984-01-31 | General Motors Corporation | Variable displacement compressor control valve arrangement |
US4543043A (en) * | 1982-08-02 | 1985-09-24 | Borg-Warner Corporation | Variable displacement compressor |
US4475871A (en) * | 1982-08-02 | 1984-10-09 | Borg-Warner Corporation | Variable displacement compressor |
US4526516A (en) * | 1983-02-17 | 1985-07-02 | Diesel Kiki Co., Ltd. | Variable capacity wobble plate compressor capable of controlling angularity of wobble plate with high responsiveness |
JPS60135680A (ja) * | 1983-12-23 | 1985-07-19 | Sanden Corp | 揺動式圧縮機 |
US4533299A (en) * | 1984-05-09 | 1985-08-06 | Diesel Kiki Co., Ltd. | Variable capacity wobble plate compressor with prompt capacity control |
DE3445516C1 (de) * | 1984-12-13 | 1989-05-18 | Mannesmann Rexroth GmbH, 8770 Lohr | Steuervorrichtung fuer eine Regelpumpe |
US4674957A (en) * | 1984-12-22 | 1987-06-23 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Control mechanism for variable displacement swash plate type compressor |
JPH0637874B2 (ja) * | 1984-12-28 | 1994-05-18 | 株式会社豊田自動織機製作所 | 可変容量圧縮機 |
US4685866A (en) * | 1985-03-20 | 1987-08-11 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Variable displacement wobble plate type compressor with wobble angle control unit |
US4688997A (en) * | 1985-03-20 | 1987-08-25 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Variable displacement compressor with variable angle wobble plate and wobble angle control unit |
JPS6282283A (ja) * | 1985-10-02 | 1987-04-15 | Toyoda Autom Loom Works Ltd | 揺動斜板型圧縮機 |
JPS6287679A (ja) * | 1985-10-11 | 1987-04-22 | Sanden Corp | 容量可変型圧縮機 |
JPH0355827Y2 (pt) * | 1985-10-28 | 1991-12-12 | ||
US4732544A (en) * | 1986-06-12 | 1988-03-22 | Diesel Kiki Co., Ltd. | Variable capacity wobble plate compressor |
JPS6316177A (ja) * | 1986-07-08 | 1988-01-23 | Sanden Corp | 容量可変型圧縮機 |
JPS6329067A (ja) * | 1986-07-21 | 1988-02-06 | Sanden Corp | 連続容量可変型揺動式圧縮機 |
JPH0217186Y2 (pt) * | 1986-07-23 | 1990-05-14 | ||
JPH037584Y2 (pt) * | 1986-08-01 | 1991-02-25 | ||
JPH0610468B2 (ja) * | 1986-08-07 | 1994-02-09 | サンデン株式会社 | 容量可変圧縮機 |
JPS6341677A (ja) * | 1986-08-08 | 1988-02-22 | Sanden Corp | 容量可変圧縮機 |
BR8704487A (pt) * | 1986-09-02 | 1988-04-19 | Nippon Denso Co | Compressor do tipo de placa oscilante de deslocamento variavel |
JPS6375371A (ja) * | 1986-09-16 | 1988-04-05 | Sanden Corp | 容量可変圧縮機 |
US4815943A (en) * | 1986-10-01 | 1989-03-28 | Hitachi, Ltd. | Variable displacement wobble plate compressor with capacity control valve |
JPH0819904B2 (ja) * | 1987-01-27 | 1996-03-04 | カルソニック株式会社 | 容量可変斜板式コンプレツサ |
JPS63205473A (ja) * | 1987-02-19 | 1988-08-24 | Sanden Corp | 斜板式可変容量圧縮機 |
EP0280479B1 (en) * | 1987-02-19 | 1991-05-15 | Sanden Corporation | Wobble plate compressor |
JPS63205469A (ja) * | 1987-02-20 | 1988-08-24 | Sanden Corp | 容量可変型斜板式圧縮機 |
JPS63149319U (pt) * | 1987-03-24 | 1988-09-30 | ||
JPH0223829Y2 (pt) * | 1987-05-19 | 1990-06-28 | ||
AU615200B2 (en) * | 1987-06-30 | 1991-09-26 | Sanden Corporation | Refrigerant circuit with passageway control mechanism |
JPS6480776A (en) * | 1987-09-22 | 1989-03-27 | Sanden Corp | Volume-variable compressor |
US5189886A (en) * | 1987-09-22 | 1993-03-02 | Sanden Corporation | Refrigerating system having a compressor with an internally and externally controlled variable displacement mechanism |
US5027612A (en) * | 1987-09-22 | 1991-07-02 | Sanden Corporation | Refrigerating system having a compressor with an internally and externally controlled variable displacement mechanism |
US5168716A (en) * | 1987-09-22 | 1992-12-08 | Sanden Corporation | Refrigeration system having a compressor with an internally and externally controlled variable displacement mechanism |
JPH01142276A (ja) * | 1987-11-27 | 1989-06-05 | Sanden Corp | 容量可変型斜板式圧縮機 |
JPH01182581A (ja) * | 1988-01-14 | 1989-07-20 | Honda Motor Co Ltd | 容量可変式圧縮機の制御装置 |
JPH01190972A (ja) * | 1988-01-25 | 1989-08-01 | Nippon Soken Inc | 可変容量式斜板型圧縮機 |
DE68905641T2 (de) * | 1988-04-20 | 1993-07-08 | Honda Motor Co Ltd | Steuerzylinder in einem kompressor mit veraenderlicher foerdermenge. |
JPH0413425Y2 (pt) * | 1988-04-28 | 1992-03-27 | ||
JPH082471Y2 (ja) * | 1988-10-25 | 1996-01-29 | サンデン株式会社 | 容量可変圧縮機 |
JPH02132876U (pt) * | 1989-04-10 | 1990-11-05 | ||
JPH0370877A (ja) * | 1989-08-10 | 1991-03-26 | Sanden Corp | 斜板式圧縮機 |
JPH03242474A (ja) * | 1990-02-19 | 1991-10-29 | Sanden Corp | 斜板式圧縮機のプラネットプレート |
JPH0489873U (pt) * | 1990-12-15 | 1992-08-05 | ||
JPH04342883A (ja) * | 1991-05-17 | 1992-11-30 | Sanden Corp | 容量可変型斜板式圧縮機 |
EP0536989B1 (en) * | 1991-10-07 | 1995-05-03 | Sanden Corporation | Slant plate type compressor with variable capacity control mechanism |
JPH0599136A (ja) * | 1991-10-23 | 1993-04-20 | Sanden Corp | 可変容量型斜板式圧縮機 |
JPH05288147A (ja) * | 1992-04-10 | 1993-11-02 | Toyota Autom Loom Works Ltd | 容量可変型斜板式圧縮機 |
US5440878A (en) * | 1992-08-27 | 1995-08-15 | Vernon E. Gleasman | Variable hydraulic machine |
US5547346A (en) * | 1994-03-09 | 1996-08-20 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Variable displacement compressor |
DE4480775T1 (de) * | 1994-03-16 | 1996-03-21 | Toyoda Automatic Loom Works | Verdichter mit veränderlicher Förderleistung |
KR100196247B1 (ko) * | 1995-06-09 | 1999-06-15 | 이소가이 지세이 | 가변 용량 압축기 |
JPH1193832A (ja) * | 1997-09-25 | 1999-04-06 | Sanden Corp | 可変容量圧縮機 |
JP4051134B2 (ja) | 1998-06-12 | 2008-02-20 | サンデン株式会社 | 可変容量圧縮機の容量制御弁機構 |
JP4111593B2 (ja) | 1998-07-07 | 2008-07-02 | サンデン株式会社 | 可変容量圧縮機の容量制御弁機構 |
JP4181274B2 (ja) | 1998-08-24 | 2008-11-12 | サンデン株式会社 | 圧縮機 |
DE19939131A1 (de) * | 1999-08-18 | 2001-03-08 | Zexel Gmbh | Axialkolbentriebwerk mit einem stufenlos verstellbaren Kolbenhub |
DE10346960A1 (de) * | 2003-10-09 | 2005-05-19 | Zexel Valeo Compressor Europe Gmbh | Erweiterung des Arbeitsbereichs eines Verdichter-Regelventils |
JP2007023900A (ja) | 2005-07-15 | 2007-02-01 | Toyota Industries Corp | 可変容量型圧縮機 |
JP2007127074A (ja) * | 2005-11-04 | 2007-05-24 | Calsonic Kansei Corp | 圧縮機 |
JP6028525B2 (ja) * | 2012-11-05 | 2016-11-16 | 株式会社豊田自動織機 | 容量可変型斜板式圧縮機 |
JP5870902B2 (ja) * | 2012-11-05 | 2016-03-01 | 株式会社豊田自動織機 | 容量可変型斜板式圧縮機 |
JP6003547B2 (ja) * | 2012-11-05 | 2016-10-05 | 株式会社豊田自動織機 | 容量可変型斜板式圧縮機 |
WO2014069618A1 (ja) * | 2012-11-05 | 2014-05-08 | 株式会社 豊田自動織機 | 容量可変型斜板式圧縮機 |
JP6003546B2 (ja) * | 2012-11-05 | 2016-10-05 | 株式会社豊田自動織機 | 容量可変型斜板式圧縮機 |
JP6028524B2 (ja) | 2012-11-05 | 2016-11-16 | 株式会社豊田自動織機 | 容量可変型斜板式圧縮機 |
JP6083291B2 (ja) | 2013-03-27 | 2017-02-22 | 株式会社豊田自動織機 | 容量可変型斜板式圧縮機 |
JP5949626B2 (ja) * | 2013-03-27 | 2016-07-13 | 株式会社豊田自動織機 | 容量可変型斜板式圧縮機 |
JP6032098B2 (ja) | 2013-03-29 | 2016-11-24 | 株式会社豊田自動織機 | 容量可変型斜板式圧縮機 |
JP6079379B2 (ja) | 2013-03-29 | 2017-02-15 | 株式会社豊田自動織機 | 可変容量型斜板式圧縮機 |
JP6115258B2 (ja) | 2013-03-29 | 2017-04-19 | 株式会社豊田自動織機 | 両頭ピストン型斜板式圧縮機 |
DE112014001751T5 (de) | 2013-03-29 | 2015-12-17 | Kabushiki Kaisha Toyota Jidoshokki | Kompressor der Taumelscheibenart mit variabler Verdrängung |
US20160222952A1 (en) * | 2013-09-11 | 2016-08-04 | Kabushiki Kaisha Toyota Jidoshokki | Variable displacement swash plate type compressor |
JP6015614B2 (ja) * | 2013-09-25 | 2016-10-26 | 株式会社豊田自動織機 | 容量可変型斜板式圧縮機 |
JP6094456B2 (ja) * | 2013-10-31 | 2017-03-15 | 株式会社豊田自動織機 | 容量可変型斜板式圧縮機 |
JP6146263B2 (ja) | 2013-11-06 | 2017-06-14 | 株式会社豊田自動織機 | 容量可変型斜板式圧縮機 |
JP6123665B2 (ja) * | 2013-12-16 | 2017-05-10 | 株式会社豊田自動織機 | 容量可変型斜板式圧縮機 |
JP6264105B2 (ja) | 2014-03-10 | 2018-01-24 | 株式会社豊田自動織機 | 可変容量型斜板式圧縮機 |
JP6229565B2 (ja) * | 2014-03-20 | 2017-11-15 | 株式会社豊田自動織機 | 可変容量型斜板式圧縮機 |
JP6194830B2 (ja) | 2014-03-24 | 2017-09-13 | 株式会社豊田自動織機 | 容量可変型斜板式圧縮機 |
JP2015183614A (ja) * | 2014-03-25 | 2015-10-22 | 株式会社豊田自動織機 | 可変容量型斜板式圧縮機 |
JP6201852B2 (ja) * | 2014-03-25 | 2017-09-27 | 株式会社豊田自動織機 | 容量可変型斜板式圧縮機 |
JP6179438B2 (ja) * | 2014-03-28 | 2017-08-16 | 株式会社豊田自動織機 | 容量可変型斜板式圧縮機 |
JP6287483B2 (ja) * | 2014-03-28 | 2018-03-07 | 株式会社豊田自動織機 | 容量可変型斜板式圧縮機 |
JP6191527B2 (ja) | 2014-03-28 | 2017-09-06 | 株式会社豊田自動織機 | 容量可変型斜板式圧縮機 |
JP6194837B2 (ja) | 2014-03-28 | 2017-09-13 | 株式会社豊田自動織機 | 容量可変型斜板式圧縮機 |
JP6179439B2 (ja) | 2014-03-28 | 2017-08-16 | 株式会社豊田自動織機 | 容量可変型斜板式圧縮機 |
JP6194836B2 (ja) | 2014-03-28 | 2017-09-13 | 株式会社豊田自動織機 | 容量可変型斜板式圧縮機 |
JP2016014343A (ja) | 2014-07-01 | 2016-01-28 | 株式会社豊田自動織機 | 容量可変型斜板式圧縮機 |
JP6256236B2 (ja) | 2014-07-22 | 2018-01-10 | 株式会社豊田自動織機 | 容量可変型斜板式圧縮機 |
JP2016102419A (ja) | 2014-11-27 | 2016-06-02 | 株式会社豊田自動織機 | 容量可変型斜板式圧縮機 |
JP2016102434A (ja) | 2014-11-27 | 2016-06-02 | 株式会社豊田自動織機 | 可変容量型斜板式圧縮機 |
JP2016102418A (ja) | 2014-11-27 | 2016-06-02 | 株式会社豊田自動織機 | 容量可変型斜板式圧縮機 |
JP2016102417A (ja) * | 2014-11-27 | 2016-06-02 | 株式会社豊田自動織機 | 容量可変型斜板式圧縮機 |
JP2016151188A (ja) | 2015-02-16 | 2016-08-22 | 株式会社豊田自動織機 | 容量可変型斜板式圧縮機 |
JP2016164394A (ja) | 2015-03-06 | 2016-09-08 | 株式会社豊田自動織機 | 容量可変型斜板式圧縮機 |
FR3062178B1 (fr) | 2017-01-25 | 2019-06-07 | IFP Energies Nouvelles | Pompe a barillet avec plateau oscillant |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2299234A (en) * | 1937-06-09 | 1942-10-20 | Ex Cell O Corp | Hydraulic pump and control means therefor |
US2344517A (en) * | 1942-06-08 | 1944-03-21 | Wagner Electric Corp | Adjustable stroke pump |
US2405006A (en) * | 1944-01-27 | 1946-07-30 | Electrol Inc | Automatic cutoff pump |
US2711135A (en) * | 1952-10-06 | 1955-06-21 | Ollen L Dunlap | Wabble plate type pump |
US2942551A (en) * | 1957-07-05 | 1960-06-28 | Tom H Thompson | Fuel injection systems for internal combustion and other engines |
US3062020A (en) * | 1960-11-18 | 1962-11-06 | Gen Motors Corp | Refrigerating apparatus with compressor output modulating means |
FR1563864A (pt) * | 1968-02-07 | 1969-04-18 | ||
US3552886A (en) * | 1968-11-13 | 1971-01-05 | Mitchell Co John E | Compressor unit with self-contained drive means |
US3861829A (en) * | 1973-04-04 | 1975-01-21 | Borg Warner | Variable capacity wobble plate compressor |
-
1976
- 1976-04-23 US US05/679,547 patent/US4037993A/en not_active Expired - Lifetime
-
1977
- 1977-04-04 AU AU23929/77A patent/AU505611B2/en not_active Expired
- 1977-04-18 JP JP4364077A patent/JPS52131204A/ja active Pending
- 1977-04-20 BR BR7702518A patent/BR7702518A/pt unknown
- 1977-04-22 DE DE19772718117 patent/DE2718117A1/de active Pending
- 1977-04-22 IT IT22788/77A patent/IT1078415B/it active
- 1977-04-22 FR FR7712286A patent/FR2349048A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE2718117A1 (de) | 1977-11-10 |
FR2349048A1 (fr) | 1977-11-18 |
IT1078415B (it) | 1985-05-08 |
AU505611B2 (en) | 1979-11-29 |
US4037993A (en) | 1977-07-26 |
JPS52131204A (en) | 1977-11-04 |
AU2392977A (en) | 1978-10-12 |
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