NO149019B - GAS SEPARATION MULTI COMPONENT MEMBRANE - Google Patents
GAS SEPARATION MULTI COMPONENT MEMBRANE Download PDFInfo
- Publication number
- NO149019B NO149019B NO773882A NO773882A NO149019B NO 149019 B NO149019 B NO 149019B NO 773882 A NO773882 A NO 773882A NO 773882 A NO773882 A NO 773882A NO 149019 B NO149019 B NO 149019B
- Authority
- NO
- Norway
- Prior art keywords
- pump
- piston
- slide
- cylinder
- outlet
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title 1
- 238000000926 separation method Methods 0.000 title 1
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 239000000446 fuel Substances 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
- B01D53/228—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion characterised by specific membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/1212—Coextruded layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
- B01D71/68—Polysulfones; Polyethersulfones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Description
Brenselinnsprøytningspumpe. Fuel injection pump.
Oppfinnelsen vedrører en brenselinn-sprøytningspumpe for forbrenningsmotor, omfattende et pumpehus med sylinder og i denne forskyvbart pumpestempel og en i pumpehus og pumpestempel aksial forskyvbar styrt stempelsleid med en gjennom-løpskanal som kan åpnes og stenges ved pumpestemplets bevegelse for regulering av pumpestemplets effektive slaglengde, idet pumpens ved pumpestemplets ene ende i sylinderen beliggende pumperom er forsynt med et med tilbakeslagsventil regu-lert innløp og utløp. The invention relates to a fuel line injection pump for an internal combustion engine, comprising a pump housing with a cylinder and in this a displaceable pump piston and an axially displaceable controlled piston slide in the pump housing and pump piston with a through-channel which can be opened and closed by the movement of the pump piston to regulate the effective stroke length of the pump piston, as the pump's pump chamber located at one end of the pump piston in the cylinder is equipped with a non-return valve regulated inlet and outlet.
I den hensikt å 'tilveiebringe en inn-sprøytningspumpe av denne type, som for store forbrenningsmotorer stiller seg bil-ligere i fremstilling enn konvensjonelle brenselinnsprøytningspumper, og som der-til er driftssikrere og gir bedre innsprøyt-ningskarabteristika ved såvel full belastning som delvis belastning enn de konvensjonelle pumper, er i følge oppfinnelsen forbindelsen mellom pumperommet og utløpet anordnet gjennom den med hensyn til ak-sialt trykk balanserte stempelsleids gjen-nomløpskanal, som står i stadig forbindelse med utløpet og har en i pumperommet utmunnende port, som er anordnet for på kjent måte å dekkes av pumpestemplet under dettes trykbslag for å avbryte den effektive slaglengde i et av stempelsleidens aksiale innstillingsstilling avhengig punkt. With the intention of providing an injection pump of this type, which for large internal combustion engines is cheaper to manufacture than conventional fuel injection pumps, and which is also more reliable and provides better injection characteristics at both full load and partial load than the conventional pumps, according to the invention the connection between the pump chamber and the outlet is arranged through the axially pressure-balanced piston slide through-flow channel, which is in constant connection with the outlet and has a port opening into the pump chamber, which is arranged for on known way to be covered by the pump piston during its pressure stroke to interrupt the effective stroke length at a point dependent on the axial setting position of the piston slide.
En som eksempel valgt utførelse av oppfinnelsen ibeskrives nedenfor under hen-visning til vedføyde tegning, som mere eller mindre skjematisk viser pumpen i aksial-snitt. An embodiment of the invention chosen as an example is described below with reference to the attached drawing, which more or less schematically shows the pump in axial section.
De i det følgende forekommende beteg-nelser «øvre», nedre» etc. refererer seg bare til tegningen. I virkeligheten kan pumpen være orientert i hvilken som helst stilling, ettersom tyngdekraftens virkning på dens 'funksjon er uten praktisk betydning. The following designations "upper", lower" etc. only refer to the drawing. In reality, the pump can be oriented in any position, as the effect of gravity on its operation is of no practical importance.
På 'tegningen betegner 1 pumpehuset, 2 det hule pumpestempel og 3 stempelsleiden. Pumpestemplet er med tettende glidepassing styrt i en boring 4 i pumpehusets nedre del og rager ut fra denne med den nedre ende, mens den øvre ende ligger i et pumperom 5, som består av en utvidet del av sylinderboringen. Stempelsleiden 3 er med tettende glidepassing styrt dels i pumpestemplets hulrom 6, dels i en boring 7, som fra pumperommet 5 fører opp gjennom pumpehusets øvre ende og har en utvidet del 8, som danner en ringkanal om-kring stempelsleiden 3. Stempelsleidens øvre ende 9 rager opp av boringen 7 og er anordnet for å forbindes med en manuell og/ eller annen regulator for aksialinnstilling av stempelsleiden i forhold til pumpehuset og pumpestemplet. In the drawing, 1 denotes the pump housing, 2 the hollow pump piston and 3 the piston slide. The pump piston is guided with a sealing sliding fit in a bore 4 in the lower part of the pump housing and protrudes from this with the lower end, while the upper end is located in a pump chamber 5, which consists of an extended part of the cylinder bore. The piston slide 3 is guided with a sealing sliding fit partly in the cavity 6 of the pump piston, partly in a bore 7, which leads from the pump chamber 5 up through the upper end of the pump housing and has an extended part 8, which forms an annular channel around the piston slide 3. The upper end of the piston slide 9 protrudes from the bore 7 and is arranged to be connected to a manual and/or other regulator for axial adjustment of the piston slide in relation to the pump housing and the pump piston.
Pumpens innløp består av en kanal 10, som fører inn 'til pumperommet 5 gjennom en tilbakeslagsventil 11, og utløpet, som er beregnet på -å tilkobles en tvangsstyrt inn-sprøytningsventil i en dieselmotorsylinder, ibestår av en kanal 12, som fører ut fra ringkanalen 8. The pump's inlet consists of a channel 10, which leads into the pump room 5 through a non-return valve 11, and the outlet, which is intended to be connected to a forced injection valve in a diesel engine cylinder, consists of a channel 12, which leads out from the annular channel 8.
Forbindelsen mellom pumperommet 5 og ringkanalen 8 består av en gjennom-løpskanal 13 i istempelsleiden 3, som har to porter 14, 15, av hvilke den ene 14 munner ut i ringkanalen 8 og alltid er åpen og den annen 15 munner ut i pumperommet 5. I den viste stilling er også denne port åpen, men hvis stempelsleiden 3 føres ned til sin bunnstilling, kommer porten 15 så lavt at den dekkes av pumpestemplet 2, også når dette er i en sin viste nedre grensestilling. Pumpen er da blokkert og ikke i stand til å pumpe, men såsnart stempelsleiden heves åpnes porten 15, og pump-nirag kan skje med en slaglengde som be-stemmes av porten 15, dvs. stempelsleidens 3 høydeinnstilling og opp til en maksimal stilling. The connection between the pump chamber 5 and the ring channel 8 consists of a through-channel 13 in the ice piston slide 3, which has two ports 14, 15, of which one 14 opens into the ring channel 8 and is always open and the other 15 opens into the pump room 5. In the position shown, this port is also open, but if the piston slide 3 is brought down to its bottom position, the port 15 comes so low that it is covered by the pump piston 2, also when this is in its lower limit position shown. The pump is then blocked and unable to pump, but as soon as the piston slide is raised, the port 15 is opened, and pump action can take place with a stroke determined by the port 15, i.e. the piston slide's 3 height setting and up to a maximum position.
Med denne regulering må pumpestemplets drivanordning tillate at pumpestemplet under sitt trykkslag stoppes i forskjel-lige aksialstillinger alt etter den innstilte effektive slaglengde. Den her viste pumpe er derfor anordnet for å drives pneumatisk, hensiktsmessig av kompresj onstrykket i den motorsylinder som pumpen skal mate. Pumpen har således en drivsylinder 16, som er sammenbygget med pumpehusets 1 nedre del og har et drivstempel 17 under pumpestemplets 2 nedre ende. Drivsylinderen har en kanal 18 i bunnen for å settes i forbindelse med en pneumatisk trykkilde, f. eks. motorsylinderens kompresj onsrom, slik at kompresj onstrykket ved hvert kompresj ons-slag presser opp drivstemplet 17 og dermed pumpestemplet 2 så meget som stempelsleidens 3 innstilling tillater, og således pumper inn en tilsvarende mengde brenn-stoff i motorsylinderen under innsprøyt-ningsventilens åpningsperiode. Stemplenes tilbakegang til den viste nedre grensestilling besørges av en trykkfjær 19, innsatt mellom pumpehusets nedre ende og en flens 20 på pumpestemplets nedre ende. With this regulation, the pump piston's drive device must allow the pump piston during its compression stroke to be stopped in different axial positions according to the set effective stroke length. The pump shown here is therefore arranged to be driven pneumatically, appropriately by the compression pressure in the engine cylinder which the pump is to feed. The pump thus has a drive cylinder 16, which is assembled with the lower part of the pump housing 1 and has a drive piston 17 under the lower end of the pump piston 2. The drive cylinder has a channel 18 in the bottom to be connected to a pneumatic pressure source, e.g. the engine cylinder's compression space, so that the compression pressure with each compression stroke pushes up the drive piston 17 and thus the pump piston 2 as much as the setting of the piston slide 3 allows, and thus pumps a corresponding amount of fuel into the engine cylinder during the injection valve's opening period. The return of the pistons to the lower limit position shown is provided by a compression spring 19, inserted between the lower end of the pump housing and a flange 20 on the lower end of the pump piston.
Por balansering av stempelsleiden 3 med hensyn til aksielt trykk er hulrommet 6 ved en kanal 21 i pumpestemplet 2 og en kanal 22 i drivsylinderen 16 forbundet med den omgivende luft, slik at samme trykk virker på stempelsleidens nedre endeflate som på dens like store øvre endeflate. Por balancing the piston slide 3 with respect to axial pressure, the cavity 6 by a channel 21 in the pump piston 2 and a channel 22 in the drive cylinder 16 is connected to the surrounding air, so that the same pressure acts on the lower end surface of the piston slide as on its equally large upper end surface.
Claims (1)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US74215976A | 1976-11-15 | 1976-11-15 | |
| US05/832,481 US4230463A (en) | 1977-09-13 | 1977-09-13 | Multicomponent membranes for gas separations |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO773882L NO773882L (en) | 1978-05-18 |
| NO149019B true NO149019B (en) | 1983-10-24 |
| NO149019C NO149019C (en) | 1984-02-01 |
Family
ID=27113975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO773882A NO149019C (en) | 1976-11-15 | 1977-11-14 | GAS SEPARATION MULTI COMPONENT MEMBRANE. |
Country Status (28)
| Country | Link |
|---|---|
| JP (1) | JPS5951321B2 (en) |
| AR (1) | AR224102A1 (en) |
| AT (1) | AT374375B (en) |
| AU (1) | AU504016B2 (en) |
| BE (1) | BE860811A (en) |
| BR (1) | BR7707583A (en) |
| CA (1) | CA1107203A (en) |
| CS (1) | CS257751B2 (en) |
| DD (1) | DD133298A5 (en) |
| DE (1) | DE2750874C2 (en) |
| DK (1) | DK148735C (en) |
| EG (1) | EG13082A (en) |
| ES (3) | ES464048A1 (en) |
| FI (1) | FI61636C (en) |
| FR (1) | FR2410501A1 (en) |
| GB (1) | GB1590813A (en) |
| IL (1) | IL53379A (en) |
| IT (1) | IT1089058B (en) |
| MX (2) | MX172537B (en) |
| NL (1) | NL175387C (en) |
| NO (1) | NO149019C (en) |
| PH (1) | PH14682A (en) |
| PL (1) | PL125022B1 (en) |
| PT (1) | PT67269B (en) |
| RO (1) | RO76391A (en) |
| SE (1) | SE440744B (en) |
| TR (1) | TR19886A (en) |
| YU (1) | YU41572B (en) |
Families Citing this family (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5416378A (en) * | 1977-07-08 | 1979-02-06 | Asahi Chem Ind Co Ltd | Polysulfone semipermeable membrane |
| CA1127472A (en) * | 1977-11-25 | 1982-07-13 | Robert L. Riley | Gas separation membranes and process for the preparation thereof |
| US4181675A (en) * | 1978-09-19 | 1980-01-01 | Monsanto Company | Process for methanol production |
| IL59581A0 (en) * | 1979-03-28 | 1980-06-30 | Monsanto Co | Methods for preparing anisotropic membranes and membranes prepared therefrom |
| DE3061132D1 (en) * | 1979-04-03 | 1982-12-30 | Monsanto Co | Gas recovery process |
| US4238204A (en) * | 1979-06-18 | 1980-12-09 | Monsanto Company | Selective adsorption process |
| EP0024718A3 (en) * | 1979-09-04 | 1981-10-14 | Friedrich Wolff | Device for increasing or decreasing the oxygen content of air, and method of producing and of operating it |
| DE3006880C2 (en) * | 1980-02-23 | 1986-10-09 | Akzo Gmbh, 5600 Wuppertal | Plasmaphoresis membrane |
| FR2478482A1 (en) * | 1980-03-21 | 1981-09-25 | Lidorenko Nikolai | Supported gas-permeable membranes - for use in blood oxygenator(s) |
| FR2482468A1 (en) * | 1980-05-19 | 1981-11-20 | Bend Res Inc | Reverse osmosis composite membrane is hollow fibre - whose inner surface is coated with interfacial salt rejecting membrane |
| JPS5794304A (en) * | 1980-12-03 | 1982-06-11 | Sumitomo Chem Co Ltd | Gas separating membrane made of polysulfone hollow fiber and its manufacture |
| JPS57104007A (en) * | 1980-12-19 | 1982-06-28 | Matsushita Electric Ind Co Ltd | Oxygen-enriched gas supplying equipment for combustion |
| US4362613A (en) * | 1981-03-13 | 1982-12-07 | Monsanto Company | Hydrocracking processes having an enhanced efficiency of hydrogen utilization |
| US4367135A (en) * | 1981-03-12 | 1983-01-04 | Monsanto Company | Processes |
| JPS588514A (en) * | 1981-07-08 | 1983-01-18 | Ube Ind Ltd | Preparation of composite separation film |
| JPS58132111A (en) * | 1982-01-29 | 1983-08-06 | Asahi Chem Ind Co Ltd | Polysulfone hollow fiber |
| US4428776A (en) * | 1982-06-23 | 1984-01-31 | The Standard Oil Company | Cellulosic semipermeable membranes containing silicon compounds |
| JPS59160506A (en) * | 1983-02-28 | 1984-09-11 | Kuraray Co Ltd | Composite hollow yarn separating membrane and its production |
| JPS59169509A (en) * | 1983-03-14 | 1984-09-25 | Toray Ind Inc | Hollow yarn membrane for separating gas and preparation thereof |
| US4530703A (en) * | 1983-06-30 | 1985-07-23 | Monsanto Company | Cross-linked polyarylene oxide membranes |
| DE3467856D1 (en) * | 1983-06-30 | 1988-01-14 | Monsanto Co | Amorphous aryl substituted polyarylene oxide membranes |
| EP0141793A1 (en) * | 1983-06-30 | 1985-05-15 | Monsanto Company | Asymmetric gas separation membranes having increased selectivy, and process for their production |
| GB2151597B (en) * | 1983-12-16 | 1987-09-30 | Petrocarbon Dev Ltd | Recovery of carbon dioxide from gas mixtures |
| US4639257A (en) * | 1983-12-16 | 1987-01-27 | Costain Petrocarbon Limited | Recovery of carbon dioxide from gas mixture |
| GB2154600A (en) * | 1984-02-23 | 1985-09-11 | British Gas Corp | Producing and purifying methane |
| AU576364B2 (en) * | 1984-04-11 | 1988-08-25 | Syrinx Research Pty. Ltd. | High flux membrane |
| JPS61408A (en) * | 1984-06-11 | 1986-01-06 | Toyobo Co Ltd | Hollow yarn composite membrane |
| ATE40297T1 (en) * | 1985-02-14 | 1989-02-15 | Uop Inc | SEMIPERMEABLE COMPOSITE MEMBRANES, PROCESS FOR THEIR MANUFACTURE AND THEIR USE IN DEVICES FOR MEASUREMENT AND SEPARATION OF HYDROGEN. |
| DE3525235C1 (en) * | 1985-07-15 | 1986-11-27 | Gkss - Forschungszentrum Geesthacht Gmbh, 2054 Geesthacht | Process for producing and increasing the selectivity of an integral asymmetrical membrane |
| JPH0822373B2 (en) * | 1986-02-10 | 1996-03-06 | 旭化成工業株式会社 | Method for forming polysulfone-based composite membrane |
| EP0242069A3 (en) * | 1986-04-14 | 1988-08-03 | Dow Corning Corporation | Semipermeable composite membranes produced from silicone water based emulsions applied to porous substrates |
| US4894068A (en) * | 1988-12-27 | 1990-01-16 | Permea, Inc. | Process for capturing nitrogen from air using gas separation membranes |
| DE4242806A1 (en) * | 1992-12-17 | 1994-06-23 | Siemens Ag | Sensor hose |
| US5286280A (en) * | 1992-12-31 | 1994-02-15 | Hoechst Celanese Corporation | Composite gas separation membrane having a gutter layer comprising a crosslinked polar phenyl-containing - organopolysiloxane, and method for making the same - |
| US5514413A (en) * | 1994-03-31 | 1996-05-07 | Air Products And Chemicals, Inc. | Process for producing composite membranes |
| US5443728A (en) * | 1994-04-28 | 1995-08-22 | Praxair Technology, Inc. | Method of preparing membranes from blends of polyetherimide and polyimide polymers |
| US6315968B1 (en) * | 1995-01-18 | 2001-11-13 | Air Products And Chemicals, Inc. | Process for separating acid gases from gaseous mixtures utilizing composite membranes formed from salt-polymer blends |
| US6085549A (en) * | 1998-04-08 | 2000-07-11 | Messer Griesheim Industries, Inc. | Membrane process for producing carbon dioxide |
| US6128919A (en) * | 1998-04-08 | 2000-10-10 | Messer Griesheim Industries, Inc. | Process for separating natural gas and carbon dioxide |
| US20090223229A1 (en) * | 2006-12-19 | 2009-09-10 | Hua Wang | Method and System for Using Low BTU Fuel Gas in a Gas Turbine |
| ITUB20159436A1 (en) * | 2015-12-28 | 2017-06-28 | Medica S P A | USE OF A MEMBRANE FOR BIOGAS PURIFICATION |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL126633C (en) * | 1958-02-24 | 1900-01-01 | ||
| US3350844A (en) * | 1964-09-21 | 1967-11-07 | Gen Electric | Process for the separation or enrichment of gases |
| GB1069231A (en) * | 1966-02-21 | 1967-05-17 | Du Pont | Separation of fluid mixtures |
| FR1566272A (en) * | 1968-01-19 | 1969-05-09 | ||
| NL158087B (en) * | 1968-01-30 | 1978-10-16 | Universal Oil Prod Co | PROCESS FOR SEPARATING GASES USING A MEMBRANE FROM A CELLULOSE ESTER. |
| FR2082095A5 (en) * | 1970-03-03 | 1971-12-10 | Rhone Poulenc Sa | |
| US3926798A (en) * | 1974-10-17 | 1975-12-16 | Us Interior | Reverse osmosis membrane |
| JPS5255719A (en) * | 1975-10-31 | 1977-05-07 | Daicel Chem Ind Ltd | Hollow fibers having selective gas permeability and production thereof |
| US3980456A (en) * | 1975-03-31 | 1976-09-14 | General Electric Company | Method for sealing breaches in multi-layer ultrathin membrane composites |
-
1977
- 1977-11-10 FR FR7734031A patent/FR2410501A1/en active Granted
- 1977-11-11 NL NLAANVRAGE7712432,A patent/NL175387C/en not_active IP Right Cessation
- 1977-11-11 BR BR7707583A patent/BR7707583A/en unknown
- 1977-11-11 ES ES464048A patent/ES464048A1/en not_active Expired
- 1977-11-14 RO RO7792112A patent/RO76391A/en unknown
- 1977-11-14 DD DD7700202073A patent/DD133298A5/en unknown
- 1977-11-14 PL PL1977202124A patent/PL125022B1/en unknown
- 1977-11-14 JP JP52137219A patent/JPS5951321B2/en not_active Expired
- 1977-11-14 DK DK503277A patent/DK148735C/en not_active IP Right Cessation
- 1977-11-14 SE SE7712818A patent/SE440744B/en not_active IP Right Cessation
- 1977-11-14 IT IT29640/77A patent/IT1089058B/en active
- 1977-11-14 MX MX193977A patent/MX172537B/en unknown
- 1977-11-14 AU AU30607/77A patent/AU504016B2/en not_active Expired
- 1977-11-14 MX MX171323A patent/MX148173A/en unknown
- 1977-11-14 GB GB47269/77A patent/GB1590813A/en not_active Expired
- 1977-11-14 FI FI773439A patent/FI61636C/en not_active IP Right Cessation
- 1977-11-14 AT AT0812477A patent/AT374375B/en not_active IP Right Cessation
- 1977-11-14 CA CA290,702A patent/CA1107203A/en not_active Expired
- 1977-11-14 AR AR269964A patent/AR224102A1/en active
- 1977-11-14 NO NO773882A patent/NO149019C/en unknown
- 1977-11-14 BE BE182612A patent/BE860811A/en not_active IP Right Cessation
- 1977-11-14 DE DE2750874A patent/DE2750874C2/en not_active Expired
- 1977-11-14 PT PT67269A patent/PT67269B/en unknown
- 1977-11-14 CS CS777473A patent/CS257751B2/en unknown
- 1977-11-14 IL IL53379A patent/IL53379A/en unknown
- 1977-11-15 YU YU2722/77A patent/YU41572B/en unknown
- 1977-11-15 EG EG639/77A patent/EG13082A/en active
- 1977-11-15 PH PH20438A patent/PH14682A/en unknown
- 1977-11-16 TR TR19886A patent/TR19886A/en unknown
-
1978
- 1978-01-30 ES ES466474A patent/ES466474A1/en not_active Expired
- 1978-12-01 ES ES475666A patent/ES475666A1/en not_active Expired
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