GB1281395A - Improvements in or relating to variable venturi carburettor - Google Patents
Improvements in or relating to variable venturi carburettorInfo
- Publication number
- GB1281395A GB1281395A GB5394369A GB5394369A GB1281395A GB 1281395 A GB1281395 A GB 1281395A GB 5394369 A GB5394369 A GB 5394369A GB 5394369 A GB5394369 A GB 5394369A GB 1281395 A GB1281395 A GB 1281395A
- Authority
- GB
- United Kingdom
- Prior art keywords
- flap
- venturi
- duct
- throat
- chamber
- 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
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
- F02M17/00—Carburettors having pertinent characteristics not provided for in, or of interest apart from, the apparatus of preceding main groups F02M1/00 - F02M15/00
- F02M17/08—Carburettors having one or more fuel passages opening in a valve-seat surrounding combustion-air passage, the valve being opened by passing air
- F02M17/09—Carburettors having one or more fuel passages opening in a valve-seat surrounding combustion-air passage, the valve being opened by passing air the valve being of an eccentrically mounted butterfly type
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)
Abstract
1281395 Spray carburetters MOTOR NARODNI PODNIK 4 Nov 1969 [27 Nov 1968] 53943/69 Heading F1B A variable Venturi carburetter has a pivotable flap 3, Fig. 1 formed at its free end as a flat blade 7 which co-operates with a bridge in the air passage to form the Venturi, the flap shaft 4 being connected to a spring-biased diaphragm to effect flap movement in dependence on the pressure at the Venturi throat, the other end of the lever being connected to a needle 27, Fig. 4 controlling the fuel supply. The other end is also connected to a damping device 17. Diaphragm 33 Fig. 3 is subjected to the vacuum in the throat communicated through duct 37 to chamber 38 and to atmospheric pressure in chamber 52. Fuel from the float chamber passes through the jet orifice 28 Fig. 4, duct 30, Fig.1 and emulsion tube 9 to duct 8 at the Venturi throat. The relationship between the positions of the flap 3 and the needle 27 may be varied by altering the relative positions of levers 15 and 23 which are held frictionally by a device 39 rotatable by a captive screw (49), Fig.2 (not shown). (For Figures see next page)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS807568 | 1968-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1281395A true GB1281395A (en) | 1972-07-12 |
Family
ID=5430868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5394369A Expired GB1281395A (en) | 1968-11-27 | 1969-11-04 | Improvements in or relating to variable venturi carburettor |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE740366A (en) |
| DE (1) | DE1953724C3 (en) |
| FR (1) | FR2024346A1 (en) |
| GB (1) | GB1281395A (en) |
| SE (1) | SE360429B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2202866C3 (en) * | 1970-07-11 | 1982-07-29 | Robert Bosch Gmbh, 7000 Stuttgart | Air flow meter for regulating the fuel supply to an internal combustion engine |
-
1969
- 1969-10-16 BE BE740366D patent/BE740366A/xx unknown
- 1969-10-24 DE DE19691953724 patent/DE1953724C3/en not_active Expired
- 1969-11-04 GB GB5394369A patent/GB1281395A/en not_active Expired
- 1969-11-25 FR FR6940655A patent/FR2024346A1/fr not_active Withdrawn
- 1969-11-27 SE SE1636169A patent/SE360429B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1953724C3 (en) | 1974-06-20 |
| DE1953724A1 (en) | 1970-06-11 |
| FR2024346A1 (en) | 1970-08-28 |
| BE740366A (en) | 1970-04-01 |
| DE1953724B2 (en) | 1973-11-22 |
| SE360429B (en) | 1973-09-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |