EP3601774A4 - Piston sealing system - Google Patents
Piston sealing system Download PDFInfo
- Publication number
- EP3601774A4 EP3601774A4 EP18777096.1A EP18777096A EP3601774A4 EP 3601774 A4 EP3601774 A4 EP 3601774A4 EP 18777096 A EP18777096 A EP 18777096A EP 3601774 A4 EP3601774 A4 EP 3601774A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- sealing system
- piston sealing
- piston
- sealing
- 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.)
- Withdrawn
Links
- 238000007789 sealing Methods 0.000 title 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M3/00—Lubrication specially adapted for engines with crankcase compression of fuel-air mixture or for other engines in which lubricant is contained in fuel, combustion air, or fuel-air mixture
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B9/00—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts, not specific to groups F01B1/00 - F01B7/00
- F01B9/02—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts, not specific to groups F01B1/00 - F01B7/00 with crankshaft
- F01B9/026—Rigid connections between piston and rod; Oscillating pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/08—Shape of cams
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/28—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of coaxial valves; characterised by the provision of valves co-operating with both intake and exhaust ports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/36—Valve-gear or valve arrangements, e.g. lift-valve gear peculiar to machines or engines of specific type other than four-stroke cycle
- F01L1/38—Valve-gear or valve arrangements, e.g. lift-valve gear peculiar to machines or engines of specific type other than four-stroke cycle for engines with other than four-stroke cycle, e.g. with two-stroke cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
- F01M5/002—Cooling
-
- 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
- F02B33/00—Engines characterised by provision of pumps for charging or scavenging
- F02B33/02—Engines with reciprocating-piston pumps; Engines with crankcase pumps
- F02B33/04—Engines with reciprocating-piston pumps; Engines with crankcase pumps with simple crankcase pumps, i.e. with the rear face of a non-stepped working piston acting as sole pumping member in co-operation with the crankcase
-
- 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
- F02B75/32—Engines characterised by connections between pistons and main shafts and not specific to preceding main groups
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/02—Pistons having means for accommodating or controlling heat expansion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/02—Pistons having means for accommodating or controlling heat expansion
- F02F3/027—Pistons having means for accommodating or controlling heat expansion the skirt wall having cavities
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/28—Other pistons with specially-shaped head
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J1/00—Pistons; Trunk pistons; Plungers
- F16J1/02—Bearing surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
- F16J9/08—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction with expansion obtained by pressure of the medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
- F16J9/12—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
- F01L1/185—Overhead end-pivot rocking arms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/20—Adjusting or compensating clearance
- F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
- F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
- F01L1/2405—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means of a hydraulic adjusting device located between the cylinder head and rocker arm
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
- F01L1/053—Camshafts overhead type
- F01L2001/0537—Double overhead camshafts [DOHC]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L2003/25—Valve configurations in relation to engine
- F01L2003/256—Valve configurations in relation to engine configured other than perpendicular to camshaft axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2305/00—Valve arrangements comprising rollers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Applications Claiming Priority (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762479013P | 2017-03-30 | 2017-03-30 | |
| US201762491629P | 2017-04-28 | 2017-04-28 | |
| US201762501295P | 2017-05-04 | 2017-05-04 | |
| US15/903,636 US10465629B2 (en) | 2017-03-30 | 2018-02-23 | Internal combustion engine having piston with deflector channels and complementary cylinder head |
| US15/934,742 US11041456B2 (en) | 2017-03-30 | 2018-03-23 | Internal combustion engine |
| US15/934,625 US10526953B2 (en) | 2017-03-30 | 2018-03-23 | Internal combustion engine |
| US15/936,713 US10590834B2 (en) | 2017-03-30 | 2018-03-27 | Internal combustion engine |
| US15/937,293 US10989138B2 (en) | 2017-03-30 | 2018-03-27 | Internal combustion engine |
| US15/938,130 US10590813B2 (en) | 2017-03-30 | 2018-03-28 | Internal combustion engine |
| US15/938,427 US10753308B2 (en) | 2017-03-30 | 2018-03-28 | Internal combustion engine |
| PCT/US2018/025471 WO2018183895A1 (en) | 2017-03-30 | 2018-03-30 | Piston sealing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3601774A1 EP3601774A1 (en) | 2020-02-05 |
| EP3601774A4 true EP3601774A4 (en) | 2021-01-06 |
Family
ID=63677001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18777096.1A Withdrawn EP3601774A4 (en) | 2017-03-30 | 2018-03-30 | Piston sealing system |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3601774A4 (en) |
| CN (1) | CN110678639B (en) |
| WO (2) | WO2018183667A1 (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1016561A (en) * | 1909-06-02 | 1912-02-06 | Peter Grabler | Plunger and cylinder packing. |
| DE1040841B (en) * | 1957-07-26 | 1958-10-09 | Daimler Benz Ag | Pistons for internal combustion engines |
| US3285142A (en) * | 1963-04-10 | 1966-11-15 | Doll Robert | Piston type cryogenic apparatus |
| US3640845A (en) * | 1968-07-09 | 1972-02-08 | Atomic Energy Commission | Dynamic seal |
| GB1396230A (en) * | 1972-07-21 | 1975-06-04 | Linde Ag | Pistons for reciprocating machines |
| JPS5985494A (en) * | 1982-11-08 | 1984-05-17 | Asahi Malleable Iron Co Ltd | Rotating machine |
| US5222879A (en) * | 1992-05-18 | 1993-06-29 | Ingersoll-Rand Company | Contact-less seal and method for making same |
| EP1275864A1 (en) * | 2001-07-09 | 2003-01-15 | Maschinenfabrik Gehring GmbH & Co. | Workpiece with a tribologically stressed surface and method of manufacture such a surface |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2252914A (en) * | 1939-09-11 | 1941-08-19 | Trans America Aircraft And Mot | Diesel engine |
| US2468976A (en) * | 1942-06-11 | 1949-05-03 | Chrysler Corp | Inverted v-type engine |
| US2442917A (en) * | 1942-08-17 | 1948-06-08 | Chrysler Corp | Supporting structure for bearings for piston-connected shafts |
| US2451271A (en) * | 1945-08-18 | 1948-10-12 | George L Balster | V-type internal-combustion engine |
| US2471509A (en) * | 1947-05-09 | 1949-05-31 | Nordberg Manufacturing Co | Inlet and exhaust valve mechanism with associated turbocharger |
| US3911753A (en) * | 1973-08-17 | 1975-10-14 | Rudolph Daub | Connecting rod and connecting rod systems for internal combustion engine and compressors and partitioned cylinder for internal combustion engine |
| US3881459A (en) * | 1974-02-28 | 1975-05-06 | Werner Gaetcke | Inlet valve for internal combustion engine and method for supplying fuel thereto |
| JPS58501832A (en) * | 1981-10-19 | 1983-10-27 | アルタネイテイブ コンバスチヨン エンジニアリング インク | Integrated intake/exhaust valve mechanism for internal combustion engines |
| JPS6093117A (en) * | 1983-10-26 | 1985-05-24 | Nissan Motor Co Ltd | Boiling-cooling type intercooler |
| IT1208802B (en) * | 1985-04-12 | 1989-07-10 | Ae Borgo Spa | PISTON IMPROVEMENT FOR ALTERNATIVE ENDOTHERMAL ENGINES TO REALIZE THE OIL CUSHION LUBRICATION OF THE SAME |
| US4724800A (en) * | 1986-08-15 | 1988-02-16 | Southwest Research Institute | Ringless piston engine |
| US4879974A (en) * | 1988-03-14 | 1989-11-14 | Alvers Gary M | Crankcase supercharged 4 stroke, 6 cycle engine |
| US5168843A (en) * | 1991-12-17 | 1992-12-08 | Franks James W | Poppet valve for an internal combustion engine |
| SE511835C2 (en) * | 1996-05-02 | 1999-12-06 | Volvo Ab | Apparatus and method for supplying additional air to an internal combustion engine |
| JP2000064905A (en) * | 1998-06-08 | 2000-03-03 | Masahiro Tanizaki | Piston of internal combustion engine |
| FI107827B (en) * | 2000-06-19 | 2001-10-15 | Waertsilae Finland Oy | Piston engine lubrication arrangement and method for lubricating a piston engine |
| US6668703B2 (en) * | 2000-10-03 | 2003-12-30 | Christopher Gamble | Piston with oil trap |
| US7296545B2 (en) * | 2005-08-22 | 2007-11-20 | Ellingsen Jr Raymond Lorel | Coaxial poppet valve |
| BRPI0815906A2 (en) * | 2007-08-24 | 2015-03-03 | Honda Motor Co Ltd | PISTON FOR AN INTERNAL COMBUSTION ENGINE |
| CN101178124A (en) * | 2007-12-03 | 2008-05-14 | 周林 | High-lubricating low-friction piston |
| JP6394485B2 (en) * | 2015-05-08 | 2018-09-26 | スズキ株式会社 | Piston of internal combustion engine |
-
2018
- 2018-03-29 WO PCT/US2018/025133 patent/WO2018183667A1/en not_active Ceased
- 2018-03-29 WO PCT/US2018/025151 patent/WO2018183682A1/en not_active Ceased
- 2018-03-30 CN CN201880034339.XA patent/CN110678639B/en not_active Expired - Fee Related
- 2018-03-30 EP EP18777096.1A patent/EP3601774A4/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1016561A (en) * | 1909-06-02 | 1912-02-06 | Peter Grabler | Plunger and cylinder packing. |
| DE1040841B (en) * | 1957-07-26 | 1958-10-09 | Daimler Benz Ag | Pistons for internal combustion engines |
| US3285142A (en) * | 1963-04-10 | 1966-11-15 | Doll Robert | Piston type cryogenic apparatus |
| US3640845A (en) * | 1968-07-09 | 1972-02-08 | Atomic Energy Commission | Dynamic seal |
| GB1396230A (en) * | 1972-07-21 | 1975-06-04 | Linde Ag | Pistons for reciprocating machines |
| JPS5985494A (en) * | 1982-11-08 | 1984-05-17 | Asahi Malleable Iron Co Ltd | Rotating machine |
| US5222879A (en) * | 1992-05-18 | 1993-06-29 | Ingersoll-Rand Company | Contact-less seal and method for making same |
| EP1275864A1 (en) * | 2001-07-09 | 2003-01-15 | Maschinenfabrik Gehring GmbH & Co. | Workpiece with a tribologically stressed surface and method of manufacture such a surface |
Non-Patent Citations (2)
| Title |
|---|
| CHEN XIAOLAN ET AL: "Eccentric correction of piston based on bionic micro-texture technology for the gap seal hydraulic cylinder", MICRO & NANO LETTERS, vol. 14, no. 1, 13 September 2018 (2018-09-13), pages 33 - 37, XP006086886, DOI: 10.1049/MNL.2018.5102 * |
| See also references of WO2018183895A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018183667A1 (en) | 2018-10-04 |
| CN110678639A (en) | 2020-01-10 |
| WO2018183682A1 (en) | 2018-10-04 |
| CN110678639B (en) | 2021-08-13 |
| EP3601774A1 (en) | 2020-02-05 |
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Legal Events
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|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
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| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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| STAA | Information on the status of an ep patent application or granted ep patent |
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| 17P | Request for examination filed |
Effective date: 20191029 |
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| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
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| A4 | Supplementary search report drawn up and despatched |
Effective date: 20201203 |
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| RIC1 | Information provided on ipc code assigned before grant |
Ipc: F02F 3/28 20060101AFI20201127BHEP Ipc: F16J 9/12 20060101ALI20201127BHEP Ipc: F16J 9/08 20060101ALI20201127BHEP Ipc: F04B 1/0408 20200101ALI20201127BHEP Ipc: F16J 15/16 20060101ALI20201127BHEP |
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| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
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| 17Q | First examination report despatched |
Effective date: 20231127 |
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| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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| 18D | Application deemed to be withdrawn |
Effective date: 20240328 |