GB2564469B - Compression spring for a fuel injector - Google Patents
Compression spring for a fuel injectorInfo
- Publication number
- GB2564469B GB2564469B GB1711300.2A GB201711300A GB2564469B GB 2564469 B GB2564469 B GB 2564469B GB 201711300 A GB201711300 A GB 201711300A GB 2564469 B GB2564469 B GB 2564469B
- Authority
- GB
- United Kingdom
- Prior art keywords
- compression spring
- fuel injector
- injector
- fuel
- compression
- 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.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
- F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
- F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/001—Fuel-injection apparatus having injection valves held closed mechanically, e.g. by springs, and opened by a cyclically-operated mechanism for a time
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/20—Closing valves mechanically, e.g. arrangements of springs or weights or permanent magnets; Damping of valve lift
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/04—Wound springs
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/04—Wound springs
- F16F1/042—Wound springs characterised by the cross-section of the wire
- F16F1/043—Wound springs characterised by the cross-section of the wire the cross-section varying with the wire length
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/50—Arrangements of springs for valves used in fuel injectors or fuel injection pumps
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fuel-Injection Apparatus (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1711300.2A GB2564469B (en) | 2017-07-13 | 2017-07-13 | Compression spring for a fuel injector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1711300.2A GB2564469B (en) | 2017-07-13 | 2017-07-13 | Compression spring for a fuel injector |
Publications (3)
Publication Number | Publication Date |
---|---|
GB201711300D0 GB201711300D0 (en) | 2017-08-30 |
GB2564469A GB2564469A (en) | 2019-01-16 |
GB2564469B true GB2564469B (en) | 2019-12-18 |
Family
ID=59713541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1711300.2A Active GB2564469B (en) | 2017-07-13 | 2017-07-13 | Compression spring for a fuel injector |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2564469B (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4407562A1 (en) * | 1994-03-08 | 1995-09-14 | Kurt Kauffmann Tech Federn Gmb | Pressure coil spring with ground contact faces |
KR20000065527A (en) * | 1999-04-06 | 2000-11-15 | 토니헬 | Spring |
CN206299721U (en) * | 2016-12-28 | 2017-07-04 | 济宁兴发弹簧有限公司 | A kind of many variable cross-section compression springs |
EP3444498A1 (en) * | 2016-04-13 | 2019-02-20 | Suncall Corporation | Coil spring |
-
2017
- 2017-07-13 GB GB1711300.2A patent/GB2564469B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4407562A1 (en) * | 1994-03-08 | 1995-09-14 | Kurt Kauffmann Tech Federn Gmb | Pressure coil spring with ground contact faces |
KR20000065527A (en) * | 1999-04-06 | 2000-11-15 | 토니헬 | Spring |
EP3444498A1 (en) * | 2016-04-13 | 2019-02-20 | Suncall Corporation | Coil spring |
CN206299721U (en) * | 2016-12-28 | 2017-07-04 | 济宁兴发弹簧有限公司 | A kind of many variable cross-section compression springs |
Also Published As
Publication number | Publication date |
---|---|
GB201711300D0 (en) | 2017-08-30 |
GB2564469A (en) | 2019-01-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) |
Free format text: REGISTERED BETWEEN 20190222 AND 20190227 |