GB1311722A - Carburetters for internal combustion engines - Google Patents
Carburetters for internal combustion enginesInfo
- Publication number
- GB1311722A GB1311722A GB1758270A GB1758270A GB1311722A GB 1311722 A GB1311722 A GB 1311722A GB 1758270 A GB1758270 A GB 1758270A GB 1758270 A GB1758270 A GB 1758270A GB 1311722 A GB1311722 A GB 1311722A
- Authority
- GB
- United Kingdom
- Prior art keywords
- engine
- spiral
- throttle valve
- engine speed
- choke
- 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
- F02M1/00—Carburettors with means for facilitating engine's starting or its idling below operational temperatures
- F02M1/08—Carburettors with means for facilitating engine's starting or its idling below operational temperatures the means to facilitate starting or idling becoming operative or inoperative automatically
- F02M1/10—Carburettors with means for facilitating engine's starting or its idling below operational temperatures the means to facilitate starting or idling becoming operative or inoperative automatically dependent on engine temperature, e.g. having thermostat
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Means For Warming Up And Starting Carburetors (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
1311722 Spray carburetters SOC INDUSTRIELLE DE BREVETS ET D'ETUDES 14 April 1970 [15 April 1969] 17582/70 Heading F1B A carburetter having a choke valve 5, Fig. 1, which is eccentrically mounted so that the air flow tends to open it against a variable closing force exerted by a bi-metallic spiral 7 responsive to engine temperature; pneumatic means 8 sensitive to the suction downstream of throttle valve 2 to partially open the choke valve after the engine has started; and means 9 coupling the choke and throttle valves to enable the throttle valve to be partially open beyond its normal idling position when the engine is warming up; is characterized by a diaphragm 32 sensitive to fluid pressure varying with engine speed for reducing the variable closing force exerted by the spiral 7 as the engine speed increases during warm up. The spiral is responsive to the temperature of engine lubricating oil or, as shown of engine cooling water delivered into jacket 27 of housing 26 via passage 28, and the diaphragm 32 is subjected to cooling water pressure varied in accordance with engine speed by an engine-driven circulating pump 30. An engine-driven oil pump for actuating accessories may be employed instead of pump 30. The coupling means 9 comprises linkage 23, 24, 25 and a stepped-cam and pawl arrangement 17, 19 which during cold starting assume the positions shown, but after partial or full warm-up assume positions in which the pawl 19 engages step 17b or 17c to cause the throttle valve 2 to move closer to or into its normal idling position respectively.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6911648A FR2040848A5 (en) | 1969-04-15 | 1969-04-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1311722A true GB1311722A (en) | 1973-03-28 |
Family
ID=9032427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1758270A Expired GB1311722A (en) | 1969-04-15 | 1970-04-14 | Carburetters for internal combustion engines |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2016611C3 (en) |
FR (1) | FR2040848A5 (en) |
GB (1) | GB1311722A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3837322A (en) * | 1973-07-30 | 1974-09-24 | Honda Motor Co Ltd | Carburetor choke |
US3872847A (en) * | 1973-08-06 | 1975-03-25 | Ford Motor Co | Temperature supplemental pulldown mechanism for carburetor automatic choke |
-
1969
- 1969-04-15 FR FR6911648A patent/FR2040848A5/fr not_active Expired
-
1970
- 1970-04-07 DE DE19702016611 patent/DE2016611C3/en not_active Expired
- 1970-04-14 GB GB1758270A patent/GB1311722A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2016611A1 (en) | 1970-11-19 |
FR2040848A5 (en) | 1971-01-22 |
DE2016611B2 (en) | 1975-03-27 |
DE2016611C3 (en) | 1975-11-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |