IT1244895B - Valvola di iniezione di carburante per motore a combustione interna, a compressione d'aria, ad iniezione diretta - Google Patents
Valvola di iniezione di carburante per motore a combustione interna, a compressione d'aria, ad iniezione direttaInfo
- Publication number
- IT1244895B IT1244895B ITRM910018A ITRM910018A IT1244895B IT 1244895 B IT1244895 B IT 1244895B IT RM910018 A ITRM910018 A IT RM910018A IT RM910018 A ITRM910018 A IT RM910018A IT 1244895 B IT1244895 B IT 1244895B
- Authority
- IT
- Italy
- Prior art keywords
- injector
- needle
- internal combustion
- air compression
- bush
- Prior art date
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
- F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
- F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
- F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
- F02M45/08—Injectors peculiar thereto
- F02M45/083—Having two or more closing springs acting on injection-valve
-
- 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
- F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
- F02B2275/14—Direct injection into combustion chamber
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
L'invenzione concerne una valvola di iniezione di carburante per motori a combustione interna, a compressione d'aria, ad iniezione diretta, con un portainiettore a due molle di cui una molla di chiusura agisce contro l'anticipo di corsa dell'ago dell'iniettore e l'altra molla di chiusura contrasta, inoltre, la corsa principale dell'ago dell'iniettore, e con una fessura anulare eseguita in modo ridotto tra il corpo dell'iniettore e l'ago dello stesso per il passaggio abbondantemente indisturbato tra entrambe le parti oppure con una bussola doppia bipartita, la cui bussola interna è strutturata come bussola dilatabile e, indipendente dalle variazioni di temperatura, mantiene una distanza intermedia dall'ago dell'iniettore almeno approssimativamente uguale, corrispondente all'anticipo di corsa.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4001103A DE4001103C2 (de) | 1990-01-17 | 1990-01-17 | Kraftstoffeinspritzventil für luftverdichtende direkteinspritzende Brennkraftmaschinen |
Publications (3)
Publication Number | Publication Date |
---|---|
ITRM910018A0 ITRM910018A0 (it) | 1991-01-11 |
ITRM910018A1 ITRM910018A1 (it) | 1992-07-11 |
IT1244895B true IT1244895B (it) | 1994-09-13 |
Family
ID=6398184
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITRM910018A IT1244895B (it) | 1990-01-17 | 1991-01-11 | Valvola di iniezione di carburante per motore a combustione interna, a compressione d'aria, ad iniezione diretta |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE4001103C2 (it) |
FR (1) | FR2657123B1 (it) |
GB (1) | GB2240138B (it) |
IT (1) | IT1244895B (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4434892A1 (de) * | 1994-09-29 | 1996-04-11 | Siemens Ag | Einspritzventil |
DE4440182C2 (de) * | 1994-11-10 | 2003-09-18 | Bosch Gmbh Robert | Kraftstoffeinspritzventil für Brennkraftmaschinen |
GB9917997D0 (en) * | 1999-07-30 | 1999-09-29 | Lucas Ind Plc | Fuel injector |
DE102005036826B4 (de) * | 2005-08-04 | 2007-04-26 | Siemens Ag | Kraftstoffinjektor zur Ermittlung des Brennraumdrucks in einer Brennkraftmaschine |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3876152A (en) * | 1967-01-13 | 1975-04-08 | Vernon D Roosa | Noncoking fuel injection nozzle |
CH475476A (de) * | 1967-05-24 | 1969-07-15 | Sulzer Ag | Brennstoffeinspritzventil einer Dieselbrennkraftmaschine |
CS154732B1 (it) * | 1971-09-15 | 1974-04-30 | ||
DE2742230C2 (de) * | 1977-09-20 | 1986-02-20 | Institut für Motorenbau Prof. Huber e.V., 8000 München | Kraftstoff-Einspritzdüse für einen Verbrennungsmotor |
DE3610658A1 (de) * | 1985-11-21 | 1987-05-27 | Bosch Gmbh Robert | Kraftstoff-einspritzduese fuer brennkraftmaschinen |
-
1990
- 1990-01-17 DE DE4001103A patent/DE4001103C2/de not_active Expired - Fee Related
-
1991
- 1991-01-11 IT ITRM910018A patent/IT1244895B/it active IP Right Grant
- 1991-01-15 GB GB9100828A patent/GB2240138B/en not_active Expired - Fee Related
- 1991-01-15 FR FR919100363A patent/FR2657123B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2657123B1 (fr) | 1994-06-10 |
GB2240138B (en) | 1994-06-22 |
FR2657123A1 (fr) | 1991-07-19 |
ITRM910018A0 (it) | 1991-01-11 |
DE4001103C2 (de) | 1994-04-28 |
GB2240138A (en) | 1991-07-24 |
ITRM910018A1 (it) | 1992-07-11 |
GB9100828D0 (en) | 1991-02-27 |
DE4001103A1 (de) | 1991-07-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970225 |