PL82253B1 - - Google Patents
Download PDFInfo
- Publication number
- PL82253B1 PL82253B1 PL1972154926A PL15492672A PL82253B1 PL 82253 B1 PL82253 B1 PL 82253B1 PL 1972154926 A PL1972154926 A PL 1972154926A PL 15492672 A PL15492672 A PL 15492672A PL 82253 B1 PL82253 B1 PL 82253B1
- Authority
- PL
- Poland
- Prior art keywords
- nozzle
- plane
- spacer
- injection nozzle
- passing
- Prior art date
Links
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 239000000446 fuel Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/008—Arrangement of fuel passages inside of injectors
-
- 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
- F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
- F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
-
- 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
- F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
-
- 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
- F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
- F02M2200/8015—Provisions for assembly of fuel injection apparatus in a certain orientation, e.g. markings, notches or specially shaped sleeves other than a clip
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Fuel-Injection Apparatus (AREA)
Description
Uprawniony z patentu: Robert Bosch GmbH, Stuttgart (Republika Federalna Niemiec) Dysza wtryskowa Przedmiotem wynalazku jest dysza wtryskowa z przekladka sluzaca do ograniczenia posuwu iglicy zaworu, umieszczona pomiedzy korpusem dyszy a jej obsada oraz przymocowana do nich dwoma kolkami jak równiez z co najmniej jednym kanalem doplywowym, przechodzacym przez te przekladke.W silnikach spalinowych zachodzi czesto koniecznosc wymontowania i rozebrania dyszy, aby ja oczyscic lub wymienic czesci, na przyklad korpus dyszy z iglica. Zdarza sie, ze przekladke wklada sie przy powtórnym montazu nieprawidlowo blokujac kanal doplywowy, w wyniku czego dysza przy ponownym jej uruchomieniu nie dziala wlasciwie i moze ulec uszkodzeniu.Zadaniem wynalazku jest takie skonstruowanie dyszy paliwowej, w którym zablokowanie kanalu doplywo¬ wego w nastepstwie nieprawidlowego zalozenia przekladki nie jest mozliwe. Zadanie to rozwiazuje sie wedlug wynalazku dzieki temu, ze kolki mocujace jak równiez kanaly doplywowe sa umieszczone symetrycznie wzgledem lustrzanego odbicia plaszczyzny, przechodzacej przez os dyszy wtryskowej oraz dzieki temu, ze kolki mocujace i kanaly doplywowe leza w plaszczyznach równoleglych nie przechodzacych przez os dyszy wtrysko¬ wej. Przy takim ukladzie kolków mocujacych i kanalów doplywowych przekladka moze byc odwrócona, jezeli wymaga tego wychylenie posuwu iglicy zaworu.Przedmiot wynalazku jest wyjasniony blizej na przykladzie rozwiazania na rysunku, na którym fig. 1 przedstawia dysze wtryskowa w przekroju podluznym, a fig. 2 i 3 — przekladke w widoku czolowo-bocznym.Korpus 1 dyszy jest zamocowany na obsadzie 3 za pomoca nakretki zlacznej nasadowej 2. Pomiedzy korpusem 1 dyszy, a jej obsada 3 jest umieszczona przekladka 4, sluzaca zwlaszcza jako zderzak suwowy dla iglicy 5 dyszy.Korpus 1 dyszy, jej obsada 3 i przekladka 4 sa polaczone ze soba dwoma kolkami 6, przy czym na fig. 1 jest uwidoczniony tylko jeden kolek. Paliwo doprowadzone od nieuwidocznionej na rysunku pompy wtryskowej przeplywa przez dysze wtryskowa kanalem 7, który konczy sie w korpusie 1 dyszy w jej przestrzeni tlocznej 8.Jak wynika z fig. 2 i 3, jeden z kolków 6 i kanal 7 (fig. 1) sa wzgledem siebie przesuniete obrotowo o okolo 5° w stosunku do osi Y dyszy wtryskowej.Warianty ukladu kanalów 7 i kolków 6 sa przedstawione na fig. 2 i 3, na których sa uwidocznione przekladki, po jednej na kazdej figurze, w widoku czolowo-bocznym. W przykladzie wykonania przedstawionym2 82 253 na fig. 2 dysza posiada tylko jeden kanal doplywowy 7a, a w przykladzie wykonania przedstawionym na fig 3 dysza posiada dwa kanaly doplywowe 7b. Oba kolki ustalajace 6 leza w jednej plaszczyznie X' polozonej prostopadle do plaszczyzny Z, przechodzacej przez os Y dyszy wtryskowej. Plaszczyzna X* nie przecina osi Y Kolki mocujace 6 sa umieszczone symetrycznie w stosunku do lustrzanego odbicia plaszczyzny Z To samo dotyczy równoleglej do plaszczyzny X1 plaszczyzny X2, w której leza kanaly doplywowe 7a i 7b, przy czym w przykladzie przedstawionym na fig. 2 kanal doplywowy 7a lezy bezposrednio w plaszczyznie Z.W opisanym ukladzie jest obojetne, jak wklada sie przekladke 4, poniewaz w kazdym przypadku z chwila dopasowania kolka 6 przeplyw paliwa przez kanal 7a lub przez kanaly 7b jest zapewniony. PLPatent holder: Robert Bosch GmbH, Stuttgart (Federal Republic of Germany) Injection nozzle The subject of the invention is an injection nozzle with a spacer used to limit the valve needle stroke, placed between the nozzle body and its holder and attached to them with two pins as well as with at least one channel In combustion engines, it is often necessary to remove and disassemble the nozzle in order to clean it or to replace parts, for example the nozzle body with the needle. It happens that the spacer is inserted when reassembling incorrectly blocking the inlet channel, as a result of which the nozzle does not work properly when it is restarted and may be damaged. The object of the invention is to design the fuel nozzle in which blocking the inlet channel as a result of incorrect installation divider is not possible. This task is solved according to the invention due to the fact that the fastening pins as well as the inlet channels are placed symmetrically with respect to the mirror image of the plane passing through the axis of the injection nozzle and thanks to the fact that the fastening pins and inlet channels lie in planes parallel to the non-parallel channels in. With such an arrangement of the fastening pins and inlet channels, the spacer can be inverted if the deflection of the valve needle stroke so requires. - spacer in front-side view. The body 1 of the nozzle is fixed on the holder 3 by means of a union nut 2. Between the body 1 of the nozzle and its holder 3 there is a spacer 4, serving especially as a stroke stop for the needle 5 of the nozzle. Body 1 of the nozzle. , its holder 3 and spacer 4 are connected to each other by two rings 6, with only one pin being shown in Fig. 1. The fuel supplied from the injection pump not shown in the drawing flows through the injection nozzles through the channel 7, which ends in the nozzle body 1 in its delivery space 8. As it can be seen from Figs. 2 and 3, one of the studs 6 and the channel 7 (Fig. 1) are relative to each other rotatably displaced by about 5 ° with respect to the Y axis of the injection nozzle. Variants of the arrangement of the channels 7 and the pins 6 are shown in Figures 2 and 3, in which the dividers are shown, one in each figure, in a front-side view. In the embodiment shown in FIG. 2, the nozzle has only one inlet channel 7a, and in the embodiment shown in FIG. 3, the nozzle has two inlet channels 7b. The two retaining pins 6 lie in one plane X 'perpendicular to the plane Z passing through the Y axis of the injection nozzle. Plane X * does not cross the Y axis. The mounting pins 6 are symmetrical to the mirror image of the Z plane. The same applies to the plane X2 parallel to plane X1, in which the inflow channels 7a and 7b lie, in the example shown in Fig. 2 the inlet channel 7a lies directly in the ZW plane of the described system, it is indifferent to how the spacer 4 is inserted, since in each case, when the pin 6 is matched, the fuel flow through the channel 7a or through the channels 7b is ensured. PL
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712119973 DE2119973A1 (en) | 1971-04-23 | 1971-04-23 | Fuel injector |
Publications (1)
Publication Number | Publication Date |
---|---|
PL82253B1 true PL82253B1 (en) | 1975-10-31 |
Family
ID=5805732
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL1972154926A PL82253B1 (en) | 1971-04-23 | 1972-04-22 |
Country Status (12)
Country | Link |
---|---|
US (1) | US3777986A (en) |
JP (1) | JPS5421886B1 (en) |
AT (1) | AT312371B (en) |
BE (1) | BE782526A (en) |
BR (1) | BR7202465D0 (en) |
DE (1) | DE2119973A1 (en) |
ES (1) | ES401992A1 (en) |
FR (1) | FR2136506A5 (en) |
GB (1) | GB1366577A (en) |
IT (1) | IT953708B (en) |
PL (1) | PL82253B1 (en) |
SU (1) | SU413689A3 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3948446A (en) * | 1975-01-29 | 1976-04-06 | Deere & Company | Fuel injection nozzle |
US3980234A (en) * | 1975-06-13 | 1976-09-14 | Stanadyne, Inc. | Fuel injection nozzle |
DE3237932A1 (en) * | 1982-10-13 | 1984-04-19 | Robert Bosch Gmbh, 7000 Stuttgart | FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES |
DE3839635A1 (en) * | 1988-11-24 | 1990-05-31 | Bosch Gmbh Robert | FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES |
DE19850387A1 (en) * | 1998-11-02 | 2000-05-04 | Bosch Gmbh Robert | Fuel injection valve for internal combustion engines |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB504988A (en) * | 1937-12-14 | 1939-05-03 | Bosch Gmbh Robert | Improvements in the cooling of fuel injection nozzles for internal combustion engines |
US3460760A (en) * | 1967-06-15 | 1969-08-12 | Gen Motors Corp | Fuel injection nozzle assembly |
US3567133A (en) * | 1968-06-25 | 1971-03-02 | Ambac Ind | Pressure adjusting means for fuel injection nozzles |
DE1907340C3 (en) * | 1969-02-14 | 1978-07-13 | Robert Bosch Gmbh, 7000 Stuttgart | Fuel injection nozzle for pilot and main injection in internal combustion engines |
-
1971
- 1971-04-23 DE DE19712119973 patent/DE2119973A1/en not_active Ceased
-
1972
- 1972-03-31 US US00239929A patent/US3777986A/en not_active Expired - Lifetime
- 1972-04-18 FR FR7213658A patent/FR2136506A5/fr not_active Expired
- 1972-04-19 IT IT23393/72A patent/IT953708B/en active
- 1972-04-19 GB GB1806272A patent/GB1366577A/en not_active Expired
- 1972-04-20 BR BR002465/72A patent/BR7202465D0/en unknown
- 1972-04-21 AT AT354472A patent/AT312371B/en active
- 1972-04-21 ES ES401992A patent/ES401992A1/en not_active Expired
- 1972-04-21 BE BE782526A patent/BE782526A/en unknown
- 1972-04-21 SU SU1775404A patent/SU413689A3/ru active
- 1972-04-22 PL PL1972154926A patent/PL82253B1/pl unknown
- 1972-04-24 JP JP4119372A patent/JPS5421886B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US3777986A (en) | 1973-12-11 |
BR7202465D0 (en) | 1973-05-10 |
AT312371B (en) | 1973-12-27 |
DE2119973A1 (en) | 1972-11-16 |
BE782526A (en) | 1972-08-16 |
ES401992A1 (en) | 1975-03-16 |
SU413689A3 (en) | 1974-01-30 |
FR2136506A5 (en) | 1972-12-22 |
GB1366577A (en) | 1974-09-11 |
IT953708B (en) | 1973-08-10 |
JPS5421886B1 (en) | 1979-08-02 |
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