DE1816237B2 - Carburetors for internal combustion engines - Google Patents
Carburetors for internal combustion enginesInfo
- Publication number
- DE1816237B2 DE1816237B2 DE1816237A DE1816237A DE1816237B2 DE 1816237 B2 DE1816237 B2 DE 1816237B2 DE 1816237 A DE1816237 A DE 1816237A DE 1816237 A DE1816237 A DE 1816237A DE 1816237 B2 DE1816237 B2 DE 1816237B2
- Authority
- DE
- Germany
- Prior art keywords
- air
- carburetor
- fuel
- mixture
- downstream
- 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.)
- Granted
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
- F02M3/00—Idling devices for carburettors
- F02M3/08—Other details of idling devices
- F02M3/09—Valves responsive to engine conditions, e.g. manifold vacuum
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S261/00—Gas and liquid contact apparatus
- Y10S261/19—Degassers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of The Air-Fuel Ratio Of Carburetors (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
λ ο r> nh Hip Verwendung eines Elektromaguet- λ ο r> nh Hip Use of an electromaguet
mmg 29 vom Ventilsitz 26 weggezogen wird, so daß Dun* me ν Membranschalters 34 erzieltmmg 29 is pulled away from the valve seat 26, so that Dun * me ν membrane switch 34 is achieved
Zusatzluft durch das Ventil 25 stromab der Haupt- \ entih30 J^J^J^ der Zusatzluftzufuhr. Drosselklappe 10 in den Ansaugkanal strömen kann^ ^^Κ£ Membranschalters 34 ist derart, Somit kann die durch die Drosselbohrung 12 dem Die £™^fne Q Membrail 35 in zwei unterschiedh-Raum 13 zugeführte Luft während des Schiebebe- 5 daß « *udi ane Me ^^ ^ von denen Additional air through valve 25 downstream of the main \ entih30 J ^ J ^ J ^ of the additional air supply. Can flow into the intake throttle valve 10 ^ ^^ Κ £ membrane switch 34 is such Thus, the through the throttle bore 12 which the £ ™ ^ f ne Q Membrail 35 in two unterschiedh-space 13 of air supplied during the sliding hardware 5 that "* udi ane Me ^^ ^ of those
triebs sowohl in den Ansaugkanal als auch zu dem ehe JJjJJ^g^ 37 über die Leitung 42 mit Leerlaufsystem gelangen, während sie wahrend des die ^ueroruc Ansaugleitungssystemdrive both in the intake duct and to the before JJjJJ ^ g ^ 37 via the line 42 with idle system, while they during the the ^ ueroruc intake line system
Leerlaufbetriebs ausschUeßHch in das Leer aufsystem ^^SHmnktert und von denen die strömt. Die durch das Ventil 25 gehende Luftmenge (mcht J^g^^T^ inneren ednen Satz von kann durch die Bemessung des Innendurchmessers xo Aj^jg"^™!^ Kontakten 39 bzw. 40 der Bohrung 24 festgelegt werden, vorzugsweise fur beweg^" ""JJ^ bewegüche Kontakt 39 durch etwa 600mniHg. Die Drosselbohrung 12 ist so nn «^wjjvondeu» der ^^ yerbunden . Innendurchmesser dimensioniert, daß im Raum 13 eine Spange^41 mn Q Ruhezustand unter derIdle operation committee in the Leer aufsystem ^^ SHmnktert and from which the flows. The amount of air passing through the valve 25 (mcht J ^ g ^^ T ^ inner single set of can be determined by the dimensioning of the inner diameter xo Aj ^ jg "^ ™! ^ Contacts 39 or 40 of the bore 24, preferably for movable ^ """JJ ^ evictions contact 39 by about 600mniHg. The throttle bore 12 is so nn« ^ wjjvondeu »the ^^ y connected . Inside diameter dimensioned that in space 13 a clasp ^ 41 mn Q resting state under the
während des Leerlaufbetriebs ein Druck herrscht, Die· Membra^35^g ^ auf diß K During idling there is a pressure, the membrane 35 ^ g ^ on diß K
der ein Leerlaufgemisch bewirkt, das einem einwand- 15 Wirkung^der ijeaj* ^ bewegUche Kontakt 39 vom freien Betrieb gewährleistet. ttaLnären Kontakt 40 ferngehalten ist.which causes an idle mixture that ensures a perfect 15 effect ^ the ijeaj * ^ moving contact 39 of free operation. TtaLnary contact 40 is kept away.
Während des Schubbetriebs wird dadurch über die sta^°^k™a^et.Ventil besitzt andererseits im Leitung 23 eine beträchtliche Luftmenge in den An- Dk»^^gj^del 32, die unter der WirkungDuring the overrun, the sta ^ ° ^ k ™ a ^ et .Ventil, on the other hand, has a considerable amount of air in the line 23 in the anDk »^^ gj ^ del 32, which under the effect
saugkanal geführt und damit der Druck in dem Inneren ^ ™im 31 ^n Ruhezustand gegen den Ra1HBl3 herabgesetzt. Dies führt dazu daflίώβ zu » derQSg«g«g*J^1 Eine Zusatzluftzuführung dem ersten und zweiten Emulgierlufteinlaß 14 bzw. Ve™ «JSu{tleitung 23 und die Zusatzluftan-15 strömende Luftmenge proportional zum Druck- üb«^ ^ Z"satz™ dem iusgangskanal ist dadurch abfall im Raum 13 verringert wird, so daß das durch trittsottnung a Suction channel out and thus the pressure in the interior ^ ™ in the 31 ^ n rest state against the Ra 1 HBl 3 reduced. This results daflίώβ to "Q Sg 'g' g * J ^ 1 An additional l u ftzuführung the first and second Emulgierlufteinlaß 14 and Ve ™" JS u {tlei tung 23 and the Zusatzluftan-15 air flowing amount proportional to the pressure üb "^ ^ Z" ™ set the i usga ngskanal is thereby reduced drop in the space 13, so that by a trittsottnung
den Langsamlauf austritt 20 und den Leerlaufaustritt ra^P~ö u eines Kraftfahrzeugs steigt der 21 auszusprühende Brennstoffgemisch angereichert *5 Be y^°g™e g rdruck auf eine Höhe von ist. Dem durch diese beiden Austritte 20 und 21 A.n n sa^e^™g 0Tr te mehr an. Hierdurch wird die austretenden Brennstoffgemisch wird i^uft züge- 6501 nra^Hg ode^ me Steuerdruckkammerthe slow speed exit 20 and the idle discharge ra ^ P ~ ö u of a motor vehicle of 21 auszusprühende fuel mixture increases enriched * 5 Be y ^ ° g ™ e g rdruck au f is a height of. That through these two outlets 20 and 21 A. n n sa ^ e ^ ™ g 0 T r te more . This causes the containing fuel mixture is i ^ runs züge- 6501 nra ^ Hg ode ^ me Steuerdruckkam mer
mischt, die durch den öffnungsspalt zwischen der Membran35 in^ebtu g, Kontakt39 kommt mixes, which comes through the opening gap between the M e mbran35 in ^ ebtu g, Kontakt39
Drosselklappe 10 und dem Austritt 20 strömt sowie 37 gesaugt, undlü^ ^ Kontakt 40 HierdurchThrottle valve 10 and the outlet 20 flows as well as 37 sucked, and lü ^ ^ contact 40 Hierdur ch
Luft, die über die Zusatzluftaustnttsoffnung 29 ein- 30 *»rAntage an den taJJ ktrom tischen Ventils an eefünrt wird, wodurch die Menge und das Luft- wird die Spule aes e β VentilnadelAir, on the one Zusatzluftaustnttsoffnung 29 30 * »rAntage to the ta JJ ktrom tables valve at will eefünrt, whereby the amount and the air is the coil aes e β valve needle
BreWstoIv;rhätoiS des Gemisches für Schubbe- Spannung gtf^^g· schraubenfeder 31 von trieb annimmt. , H 8Vrntilste 33 weggezogen wird. Dies führt dazu,BreWstoIv; rhätoi S of the mixture for shear tension gtf ^^ g · helical spring 31 from drive assumes. , H 8 Vrntilste 33 is pulled away. This leads to,
Gemäß F ig. 2 ist der Raum 13' so gelegt, daß fm Ventil rtz 33 weggeg Zusatzluft23 und According to Fig. 2, the space 13 'is placed in such a way that the valve rtz 33 weggeg additional air23 and
es lediglich den zweiten Emulgierlufteinlaß 15 sperrt, 35 Jß dieJuich den Aus ^13, &. ^ Lu{t so daß von der Atmosphäre durch die Drosselboh- die Öffnung 2* ^ί&υ5ΐήίί500ηυη6 29 führenden rung 12' eingespeiste Luft mit dem Brennstoffge- den zu der Zusatzmtt Ansaugkanal desit only blocks the second emulsifying air inlet 15, 35 J ß dieJuich den Aus ^ 13 , & . ^ Lu {t so that from the atmosphere through the throttle hole the opening 2 * ^ ί & υ5ΐήίί500ηυη6 29 leading tion 12 'fed air with the fuel to the Zusatzmtt intake duct of the
misch vermischt wird, das durch die Langsam auf- Durchgang Pas«ier^n ™n Da auf diese Weise die düse 16 zu führen ist und das während des Leerlauf- Vergasers gelangen ^nn die ζ^ζ_mixed is mixed, which is caused by the slow open passage P as « ier ^ n ™ n Since the nozzle 16 is to be guided in this way and that during the idling carburetor get ^ nn the ζ ^ ζ _
betriebs aus dem Langsamlauf austritt 20 und dem 40 m dem Raum 13 be^1 γ u mt der Leerlauf austritt 21 in den Ansaugkanal emtntt, wah- ^leitung M ui den^An g ^ ^^ operating from the slow speed exit 20 and the 40 m the R a at 13 be ^ 1 γ u mt the idle exit 21 emtntt in the intake duct, wah- ^ line M ui the ^ An g ^ ^^
„ SSrL^clrf wird."SSrL ^ clrf will.
Hierzu 1 Blatt Zeichnungen1 sheet of drawings
Claims (2)
kürlich betätigbaren Hauptdrosselklappe in den An- In der F i g. 1 ist ein Vergaser im Zustand desThe invention relates to a carburetor for 25 impaired and, on the other hand, the lowest possible internal combustion engines with a downstream a will- ensures hydrocarbon content,
The main throttle valve, which can be operated recently, is in the 1 is a carburetor in the state of
sorgt wird. Zwar ließe sich durch Minderung des Der Raum 13 ist so angeordnet, daß er mit demIt was found that when the idling outlet 21 is considerable downstream, the main throttle rise in the negative pressure during overrun operation rapidly injects the flap 10 into the intake duct of the carburetor with a proportion of hydrocarbons in the exhaust gases. Which is injected through the idling outlet 21 when the engine can then only be adjusted via the zende mixture quantity by means of the idling system with fuel mixture adjustment screw 30, which is customary for idling,
is taken care of. Although it could be by reducing the The space 13 is arranged so that it with the
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2078468 | 1968-03-30 |
Publications (3)
Publication Number | Publication Date |
---|---|
DE1816237A1 DE1816237A1 (en) | 1969-10-23 |
DE1816237B2 true DE1816237B2 (en) | 1973-09-27 |
DE1816237C3 DE1816237C3 (en) | 1974-04-25 |
Family
ID=12036734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1816237A Expired DE1816237C3 (en) | 1968-03-30 | 1968-12-20 | Carburetors for internal combustion engines |
Country Status (5)
Country | Link |
---|---|
US (1) | US3533386A (en) |
DE (1) | DE1816237C3 (en) |
FR (1) | FR1598602A (en) |
GB (1) | GB1242288A (en) |
NL (1) | NL143654B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2653877A1 (en) * | 1975-12-02 | 1977-07-07 | Sibe | CARBURETTORS FOR COMBUSTION ENGINES |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1305991A (en) * | 1969-02-05 | 1973-02-07 | ||
SE369616B (en) * | 1969-09-09 | 1974-09-09 | Nissan Motor | |
JPS5028563B1 (en) * | 1969-12-29 | 1975-09-17 | ||
US3738109A (en) * | 1970-01-14 | 1973-06-12 | Toyo Kogyo Co | Exhaust gas purifying system |
US3866584A (en) * | 1970-11-03 | 1975-02-18 | Volkswagenwerk Ag | Switching device and circuit |
DE2325045C2 (en) * | 1972-05-17 | 1985-07-25 | Alfa Romeo S.p.A., Mailand/Milano | Carburetors for internal combustion engines |
JPS6027822B2 (en) * | 1977-05-13 | 1985-07-01 | 自動車機器技術研究組合 | carburetor starting device |
-
1968
- 1968-12-04 GB GB57538/68A patent/GB1242288A/en not_active Expired
- 1968-12-05 US US781533A patent/US3533386A/en not_active Expired - Lifetime
- 1968-12-20 DE DE1816237A patent/DE1816237C3/en not_active Expired
- 1968-12-20 FR FR1598602D patent/FR1598602A/fr not_active Expired
-
1969
- 1969-02-04 NL NL696901768A patent/NL143654B/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2653877A1 (en) * | 1975-12-02 | 1977-07-07 | Sibe | CARBURETTORS FOR COMBUSTION ENGINES |
Also Published As
Publication number | Publication date |
---|---|
NL6901768A (en) | 1969-10-02 |
DE1816237A1 (en) | 1969-10-23 |
US3533386A (en) | 1970-10-13 |
FR1598602A (en) | 1970-07-06 |
DE1816237C3 (en) | 1974-04-25 |
GB1242288A (en) | 1971-08-11 |
NL143654B (en) | 1974-10-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
SH | Request for examination between 03.10.1968 and 22.04.1971 | ||
C3 | Grant after two publication steps (3rd publication) | ||
E771 | Valid patent as to the heymanns-index 1977, willingness to grant licences | ||
8339 | Ceased/non-payment of the annual fee |