DE2021315C3 - Carburetor for internal combustion engines with temperature-controlled choke valve and accelerator pump - Google Patents

Carburetor for internal combustion engines with temperature-controlled choke valve and accelerator pump

Info

Publication number
DE2021315C3
DE2021315C3 DE2021315A DE2021315A DE2021315C3 DE 2021315 C3 DE2021315 C3 DE 2021315C3 DE 2021315 A DE2021315 A DE 2021315A DE 2021315 A DE2021315 A DE 2021315A DE 2021315 C3 DE2021315 C3 DE 2021315C3
Authority
DE
Germany
Prior art keywords
temperature
carburetor
internal combustion
combustion engines
choke valve
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.)
Expired
Application number
DE2021315A
Other languages
German (de)
Other versions
DE2021315B2 (en
DE2021315A1 (en
Inventor
Guenter 4041 Rosellen Haertel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Industrielle De Brevets Et D'etudes Sibe Neuilly-Sur-Seine (frankreich) Ste
Original Assignee
Industrielle De Brevets Et D'etudes Sibe Neuilly-Sur-Seine (frankreich) Ste
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Industrielle De Brevets Et D'etudes Sibe Neuilly-Sur-Seine (frankreich) Ste filed Critical Industrielle De Brevets Et D'etudes Sibe Neuilly-Sur-Seine (frankreich) Ste
Publication of DE2021315A1 publication Critical patent/DE2021315A1/en
Publication of DE2021315B2 publication Critical patent/DE2021315B2/en
Application granted granted Critical
Publication of DE2021315C3 publication Critical patent/DE2021315C3/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M7/00Carburettors with means for influencing, e.g. enriching or keeping constant, fuel/air ratio of charge under varying conditions
    • F02M7/06Means for enriching charge on sudden air throttle opening, i.e. at acceleration, e.g. storage means in passage way system
    • F02M7/08Means for enriching charge on sudden air throttle opening, i.e. at acceleration, e.g. storage means in passage way system using pumps
    • F02M7/087Means for enriching charge on sudden air throttle opening, i.e. at acceleration, e.g. storage means in passage way system using pumps changing output according to temperature in engine
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M7/00Carburettors with means for influencing, e.g. enriching or keeping constant, fuel/air ratio of charge under varying conditions
    • F02M7/06Means for enriching charge on sudden air throttle opening, i.e. at acceleration, e.g. storage means in passage way system
    • F02M7/08Means for enriching charge on sudden air throttle opening, i.e. at acceleration, e.g. storage means in passage way system using pumps

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)
  • Means For Warming Up And Starting Carburetors (AREA)

Description

puiZ Tron Fürdcrhub lempcraturabhängig stoff KTr eine Kurvenscheibe verändert.» isl. so»*· Hau£ mit einen. Antrieteges.änge für den Pumpenkor- » ""^T ".,, das einen sdl.enkba, Selager.ei. zwe.arnn- ££**PUZ Tron Fordcrhub depending on the temperature, material KTr changed a cam. » isl. so »* · Huh £ with one. Offerings for the pump body- »""^T". ,, the one sdl.enkba, S elager.ei. Two.arnn- ££ **

K,K,

nm während der Haupldrosselklappe wird kein gefWen. so daß .« *escm ^ 2U, Beschleunigung n.dtt nm during the main throttle valve is not flown. so that. «* escm ^ 2U , acceleration n.dtt

2ur Au, be gcsfeU, ei. 2ur Au , be gcsfeU, ei.

A*;A *;

SETSET

der ™e,a,mige Hebe,der ™ e, a, mi ge Hebe,

s:s:

drosselklappenuelle (9) gelagerten Scheibe (10) übertragen" diesen in einer den Pumpenhub durch Ändern des wirksamen Hebelarmverhalt-Sses des zweiarmigen Hebels (19) beeinflussen-throttle body (9) mounted disc (10) transfer "this in one of the pump stroke by changing the effective lever arm behavior of the two-armed lever (19) -

SpisSi»^SpisSi »^

Beschleunigerpumpe über den ganzen *£ wlll&rlich betätigbaren Hauptmäßig verteilt eingespritzt wird, «^ so daß die BeAccelerator pump over the £ * wl ll & rlich operable main default spread is injected, "^ so that the Be

unwirk-ineffective

Die Erfindung betrifft Vergaser für Brennkraftma- 4° sam ΪΛ nachstehend unter BezugnahmeThe invention relates to carburetors for Brennkraftma- 4 ° sam ΪΛ below with reference

schinen mit einer temperaturabhängig einstellbaren D.e |r~n g bei ielsha|ber.erläutert.machines with a temperature-dependent adjustable De | r ~ n g at ielsha | b he. explains.

Vordrosselklappe stromauf einer willkürlich einstell- auf die ^icnnung; μ ilschnUten einen erfin.Pre-throttle valve upstream of an arbitrarily adjustable to the ^ icnnung; μ elected an inventor .

1 d1 d

schinen mit einer temperaturabhängig einstellbaren Vordrosselklappe stromauf einer willkürlich einstellbaren Hauptdrosselklappe und einer Beschleunigerpumpe, deren Förderhub temperaturabhängig uber eine Kurvenscheibe veränderbar ist.Machines with a temperature-dependent adjustable pre-throttle valve upstream of an arbitrarily adjustable one Main throttle valve and an accelerator pump, the delivery stroke of which depends on the temperature a cam is changeable.

Damit das von der Beschleumgerpumpe eingespritzte Volumen nicht nur dann ^«J*»««1· wenn der Motor seinen thermischen Beharrungszustand erreicht hat, sondern auch, wenn er noch kalt Födhb üb eine Kurvenscheibe tem-So that the volume injected by the accelerator pump not only ^ «J *» «« 1 · when the engine has reached its thermal steady state, but also when it is still cold via a cam disk.

nachstehen D.e |r~n g bei ielsha|ber.erläutert.below De | r ~ n g at ielsha | b he. explains.

auf die ^icnnung; μ ilschnUten einen erfin.to the knowledge; μ elected an inventor .

F ι g_ 1 und 2 zeig steilung {ür nQ F ι g_ 1 and 2 show steepness {for nQ

dunmanaBen Verg ^ ^ ^^ ^ den Bemeb dunmanaBen Verg ^ ^ ^^ ^ the Bemeb

Brennkraftmaschine. .Internal combustion engine. .

de :kal^™^ mpe 2 kann Brennstoff in die ^n«£5Λά Uerlaufspeisesystem .st nicht Leitung; ι ^ Brennstoffkanal im Arm 6,de: kal ^ ™ ^ mpe 2 can fuel in the ^ n «£ 5Λά overflow feed system .st not pipe; ι ^ fuel channel in arm 6,

dargeste»^au= 4 . dem LufUrichter 5 verbind d LHtncnshown »^ au = 4 . lufu the hopper 5 a binding d LHtncn

wenn der Motor seinen thermischen Bg ^ Brennstoffkanal im A ,when the engine has its thermal Bg ^ fuel duct in A,

stand erreicht hat, sondern auch, wenn er noch kalt dargeste»^au= 4 . dem LufUrichter 5 verbin-has reached, but also when he is still cold gesture »^ au = 4 . connect the fan 5

st ist der Förderhub über eine Kurvenscheibe tem- so der den LuHtncn ise stem befindet sichst of the delivery stroke is a temperature-cam so ise the LuHtncn stem is located

ρ "raturabhängig veränderbar. Bekannt st ein derarU- det ^^^Jff^J Vordrosselklappe 8 an derρ "can be changed depending on the temperature. Known is such a U- det ^^^ Jff ^ J pre-throttle valve 8 on the

ger Vergaser mit einem Antriebsgestänge ur den der Lu«emw ^ seiner Nocke„flacheger carburetor with a drive linkage for the Lu "emw ^ his Nock e" fl

Pumpenkörper, das einen schwenkbar gelagerten ^eIkJ.juber « wird die HaUptdrosselklappe 3The pump body, which has a swivel-mounted "eIkJ.juber" , is the main throttle valve 3

zweiarmigen Hebel enthält, dessen einer Arm mit 11^™ ™J " die Vordrosselklappe 8 ganzcontains two-armed lever, one arm with 11 ^ ™ ™ J " the throttle valve 8 completely

dem Pumpenkörper zusammenwirkt und dessen an- 55 Jj«s pog ^ ™ssen ^ Der Hebel 12 ν .rktthe pump body cooperates and its on- 55 Jj «s pog ^ ™ ssen ^ The lever 12 ν .rkt

derer Arm über eine Stange mit einem Hebel verbun- °^h te^s e chla|en an dem mit der Welle 13 der Xdrrerr^SS- Ädrosselklfppe fest verbundenen Hebe, 14 zu-which arm via a rod with a lever connectedness ° ^ h ^ te s e chla | en on the lift, 14 attached to the shaft 13 of the X d rr e rr ^ SS- Ädrosselklfppe

tung der Vordrosselklappe über einen Anschlag von grenzt «ne JJ P , und andererseits mit der Le,-direction of the throttle valve over a stop of bordered JJ P, and others on the back with the Le, -

einem fest mit der Vordrosselklappe verbundenen einer Brennstottq dte öffnung m Ver-a fixedly connected to the Vordrosselklappe a Brennstottq d "te opening encryption m

Vordrosselklappenhebel in eine Stellung schwenkbar tung 1 «^r e"J die Men^bran 15 wirkt eine FederThrottle valve lever can be pivoted into a position 1 «^ re " J the men ^ brane 15 acts a spring

ist, die den an der Vordrosselklappenwelle über ein bindung^ steht A« Kammer ^ ^ . which is connected to the throttle valve shaft via a bond ^ A « Chamber ^ ^.

Temperaturstellglied wirksamen Temperaturei^ß 65 17 wdche da« ^ [n entgegengeSetztem SinnTemperature actuator effective Temperaturei ß ^ 6 5 17 wdche as "[n e S entgegeng sense etztem

auf den Pumpenkörper über ein zweites Gestänge Bern , verschoben werden kann, aufon the pump body via a second linkage Bern, can be moved on

Über;1L b,kan„te„ Vergaser is, de, Hub der welcL das Ende 1,. eines Hebe,s » wirk, we, About ; 1L b, kan " t e" carburetor is, de, stroke of welcL the end 1 ,. one Hebe, s »work, we,

eher mit seinem mittleren Abschnitt auf einen weiter 27 mit demrather with its middle section on a further 27 with the

unten näher beschriebenen Excenter 20 lose drehbar bundenen reccentric 20, described in more detail below, loosely rotatably bound r

gelagert ist. Der Hebel 19 wird durch eine Feder 21 so getroffen, dalS <is stored. The lever 19 is hit by a spring 21 so that <

betätigt, welche einen durch ein Gelenk 23 mit dem (Übergang aus deroperated, which a joint 23 with the (transition from the

Hebel 14 verbundenen Stab 22 umgibt. Der Stab 22 5 Fig.2) entsprechciLever 14 connected rod 22 surrounds. The rod 22 5 Fig.2) corresponds to

dient zur Betätigung der Pumpe, während der Hebel Gegenuhrzeigersinnis used to operate the pump while the lever turns counterclockwise

- 14 das Drosselorgan 3 betätigt. des Zentrums C de·- 14 the throttle member 3 is operated. of the center C de

Der Vergaser arbeitet folgendermaßen: Wenn die sich dieses in der Brennkraftmaschine ihre Beharrungstemperatur er- Stößels 18 entfernt, reicht nat. nehmen die Teile die in F i g. 1 dargestell- io Jc kalter die BrennkraJtrnaschmc .st. urn si nuhr ten Stellungen ein. Die enUveder von Hand oder :·· ·«- "i—« peschlossen, um so *ut,.r im üjs automatisch durch einen mit der Welle 9 verbundenen Hebel «0 betätigte Klappe 8 ist dann offen, und dem Stößel 18 entlernt, im Leerlauf nimmt die Drosselklappe 3 ihre Stellung Verschiebung des Endes kleinster Öffnung ei». Bei einer Beschleunigung wird 15 u-"··'··"™··· vvrHrfhune die Drosselklappe 3 plötzlich geöffnet, wodurch der
Hebel 19 auf dem Excenter 20 im Gegenuhrzeigersinn verschwenkt wird. Das Ende 29 a des Hebels 19
The carburetor works as follows: If this removes its steady-state temperature in the internal combustion engine, the plunger 18 is sufficient. take the parts shown in FIG. 1 illustrated- io Jc kalter the BrennkraJtrnaschmc .st. urned positions. The enUveder by hand or : ·· · «-" i— "closed, so * ut, .r in the üjs automatically operated by a lever connected to the shaft 9, flap 8 is then open, and the tappet 18 is unlearned, idle takes the throttle 3 their position shift ei of the end of its minimum aperture "When acceleration is 15 u -. the throttle valve 3 '··'··" ™ ··· vvrHrfhune suddenly opened, causing the
Lever 19 is pivoted on the eccentric 20 counterclockwise. The end 29 a of the lever 19

verschiebt über den Stößel 18 die Membran 15 in In Fig. J un^ -/" .„ z%vischen d'em Zentrum C moves over the plunger 18, the membrane 15 in FIG un J ^ -. "." / z% vi sc hen d'em center C

dem Sinn einer Verringerung des Volumens der »o Hebelarms des· »«e's Anriffslinie des Stößels 18the sense of a reduction in the volume of the "o lever arm of the · ''e's to" ri ffslinie the plunger 18

Kammer 16, was die Einspritzung einer durch den des Excenters JU> una: acr ^ ^.^ ^ kaHcn Chamber 16, which is the injection of a through that of the eccentric JU> una: acr ^ ^. ^ ^ KaHcn

Hub der Membran 15 bestimmten Brennstoffmenge bei normalem Be™*οζ- . die ^ L> größcT Stroke of the membrane 15 certain amount of fuel with normal Be ™ * οζ -. the ^ L> largest

in die Leitung 1 zufolge hat.according to line 1.

Der Excenter 20 des zweiarmigen Hebels 19 ist
fest mit einer Achse 24 verbunden, welche exzentrisch zur Mitte des Excenters 20 liegt und in einem Membran bewegt sich sieug um uu .— £—-■■— festen, z. B. in dem Gehäuse 25 der Pumpe 2 aubge- klappe. Die nrpnminffmeime w.rd von der beschleubildeten Lager drehbar gelagert ist. -:~.-..-r...mr,<»
The eccentric 20 of the two-armed lever 19 is
firmly connected to an axis 24, which is eccentric to the center of the eccentric 20 and moves in a membrane sieug to uu. - £ - ■■ - fixed, z. B. in the housing 25 of the pump 2 aubgebklappe. The nrpnminffmeime w.rd is rotatably mounted by the accelerated bearing. -: ~.-..- r ... mr, <»

Diese Achse 24 ist fest mit einem durch einen StabThis axis 24 is fixed to one by a rod

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

Claims (1)

BeschleunigerpumpeAccelerator pump Brennkraftmaschine L Hcbeb an dieInternal combustion engine L H cbeb to the Vergaser fürCarburetor for ür Brennkraftmaschinen mit einer grenzt Der HcWFor internal combustion engines with a limit the HcW ^ Hauptd ^ Hauptd
DE2021315A 1969-07-21 1970-04-30 Carburetor for internal combustion engines with temperature-controlled choke valve and accelerator pump Expired DE2021315C3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6924812A FR2053855A5 (en) 1969-07-21 1969-07-21

Publications (3)

Publication Number Publication Date
DE2021315A1 DE2021315A1 (en) 1972-01-27
DE2021315B2 DE2021315B2 (en) 1973-05-17
DE2021315C3 true DE2021315C3 (en) 1973-12-06

Family

ID=9037778

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2021315A Expired DE2021315C3 (en) 1969-07-21 1970-04-30 Carburetor for internal combustion engines with temperature-controlled choke valve and accelerator pump

Country Status (3)

Country Link
DE (1) DE2021315C3 (en)
FR (1) FR2053855A5 (en)
GB (1) GB1311712A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3329200C1 (en) * 1983-08-12 1984-08-23 Pierburg Gmbh & Co Kg, 4040 Neuss Carburettor for internal combustion engines

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4333888A (en) * 1980-07-31 1982-06-08 Ford Motor Company Carburetor accelerator pump stroke control
JPS5898647A (en) * 1981-12-07 1983-06-11 Suzuki Motor Co Ltd Acceleration fuel supplying device for carburetor
FR2523651B1 (en) * 1982-03-19 1986-10-03 Sibe RECOVERY PUMP CARBURETOR

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3329200C1 (en) * 1983-08-12 1984-08-23 Pierburg Gmbh & Co Kg, 4040 Neuss Carburettor for internal combustion engines

Also Published As

Publication number Publication date
DE2021315B2 (en) 1973-05-17
GB1311712A (en) 1973-03-28
FR2053855A5 (en) 1971-04-16
DE2021315A1 (en) 1972-01-27

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)