JPS5491633A - Carburetor - Google Patents
CarburetorInfo
- Publication number
- JPS5491633A JPS5491633A JP15907477A JP15907477A JPS5491633A JP S5491633 A JPS5491633 A JP S5491633A JP 15907477 A JP15907477 A JP 15907477A JP 15907477 A JP15907477 A JP 15907477A JP S5491633 A JPS5491633 A JP S5491633A
- Authority
- JP
- Japan
- Prior art keywords
- piston
- throttle valve
- negative pressure
- negative
- cam
- 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
Landscapes
- Control Of The Air-Fuel Ratio Of Carburetors (AREA)
Abstract
PURPOSE: To prevent discharge delay of fuel during a partial road running by constituting a variable Venturi type carburetor such that a piston returning spring thereof is acted upon by link means which is operated by a throttle valve so as to be compressed during a partial load running.
CONSTITUTION: A piston 4 is disposed perpendicularly to a suction passage 1 which has a throttle valve 2 and a choke valve 3. A negative pressure chamber 10 is defined by a diaphragm 8 connected to the piston 4. Negative pressure is transmitted to the negative pressure chamber 10 by a negative passage 23 formed in the piston 4 to thereby move the piston 4 upwardly and downwardly. A returing spring 14 is disposed in the negative prssure chamber 10 so as to act upon a spacer cylinder 13 fixed to a cam 20 provided on a throttle valve 2 through levers 15, 17, 18. Only during a partial load running of the engine, the cam 20 is contacted with the lever 18 whereby the piston 4 is pressed by the lever 15 through the spacer cylinder 13.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15907477A JPS5820388B2 (en) | 1977-12-29 | 1977-12-29 | vaporizer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15907477A JPS5820388B2 (en) | 1977-12-29 | 1977-12-29 | vaporizer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5491633A true JPS5491633A (en) | 1979-07-20 |
JPS5820388B2 JPS5820388B2 (en) | 1983-04-22 |
Family
ID=15685641
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15907477A Expired JPS5820388B2 (en) | 1977-12-29 | 1977-12-29 | vaporizer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5820388B2 (en) |
-
1977
- 1977-12-29 JP JP15907477A patent/JPS5820388B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5820388B2 (en) | 1983-04-22 |
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