GB734529A - Improvements in and relating to carburettors - Google Patents
Improvements in and relating to carburettorsInfo
- Publication number
- GB734529A GB734529A GB28837/52A GB2883752A GB734529A GB 734529 A GB734529 A GB 734529A GB 28837/52 A GB28837/52 A GB 28837/52A GB 2883752 A GB2883752 A GB 2883752A GB 734529 A GB734529 A GB 734529A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bore
- throttle valve
- slide
- jet
- lever
- 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
- F02M9/00—Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly type; Carburettors having fuel-air mixing chambers of variable shape or position
- F02M9/02—Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly type; Carburettors having fuel-air mixing chambers of variable shape or position having throttling valves, e.g. of piston shape, slidably arranged transversely to the passage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
734,529. Carburetters. WIEGEL, P. H. Nov. 14, 1952 [Nov. 15, 1951]. No. 28837/52. Class 7(3). In a carburetter for a motor cycle or for the auxiliary engine of a bicycle, the jet is located in a recess in the induction pipe and the manually operable control slide is formed with a bore one end of which is in alignment with the jet the arrangement being such that when the control slide is moved past its normally closed position it will enter the recess so as to prevent the flow of fuel directly into the induction pipe and to constrain it to flow into the bore in the slide means being provided when the slide is in this position to permit a restricted flow of air through the bore or across the end thereof remote from the jet to produce a rich fuel air mixture for starting the engine. In Fig. 1 in the closed position of the throttle valve 2 mixture for cold starting is obtained by means of passages 8, 9, 10 in the valve which co-operate with the fuel jet 6. Fig 2 shows a modification in which the throttle valve is provided with a bore 12 and is bevelled at its upper part 17. The passage provided by the bevelled part is slightly narrower at the outer side. The upper part of the slide may be recessed. Fig. 3 shows how an existing carburetter can be converted by providing a vertical bore and an oblique saw cut. In a modification of Fig. 3 the upper part of the throttle valve instead of being bevelled is cut away on its opposite sides adjacent the air inlet and mixture outlet. In another modification a horizontal bore with an orifice therein is provided in the upper part of the throttle valve. The orifice can be changed to make the carburetter suitable for different engines. The throttle control lever co-operates with a second lever. Thus in one position ofthe second lever the throttle valve can move past its normally closed position into a position for cold starting but during normal running the second lever is shifted into a position in which the throttle valve cannot be moved into a position in which too rich a mixture is supplied.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL734529X | 1951-11-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB734529A true GB734529A (en) | 1955-08-03 |
Family
ID=19820376
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB28837/52A Expired GB734529A (en) | 1951-11-15 | 1952-11-14 | Improvements in and relating to carburettors |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB734529A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2461824A1 (en) * | 1979-07-16 | 1981-02-06 | Borg Warner | FUEL SUPPLY SYSTEM DURING SLOW MOTION FOR SLIDING VALVE CARBURETOR |
-
1952
- 1952-11-14 GB GB28837/52A patent/GB734529A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2461824A1 (en) * | 1979-07-16 | 1981-02-06 | Borg Warner | FUEL SUPPLY SYSTEM DURING SLOW MOTION FOR SLIDING VALVE CARBURETOR |
US4250125A (en) * | 1979-07-16 | 1981-02-10 | Borg-Warner Corporation | Slide valve carburetor idle fuel delivery system |
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