JPS5765843A - Variable venturi carburetter - Google Patents
Variable venturi carburetterInfo
- Publication number
- JPS5765843A JPS5765843A JP13933380A JP13933380A JPS5765843A JP S5765843 A JPS5765843 A JP S5765843A JP 13933380 A JP13933380 A JP 13933380A JP 13933380 A JP13933380 A JP 13933380A JP S5765843 A JPS5765843 A JP S5765843A
- Authority
- JP
- Japan
- Prior art keywords
- needle
- jet
- carburetter
- air volume
- contact
- 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.)
- Pending
Links
Landscapes
- Control Of The Air-Fuel Ratio Of Carburetors (AREA)
Abstract
PURPOSE: To prevent eccentric wear of a needle due to vibraion by eliminating a contact between a needle and a jet of a variable venturi carburetter within the operational range of high suction air volume.
CONSTITUTION: A piston 1 engaged with a metering needle 3 on the end of the piston, is installed inside a suction chamber 14 of a carburetter 10, making a sliding motion in proportion to the negative pressure of a venturi member 13. The needle 3 normally brought into constant with a part of a jet by a projection 24 installed on a holder 4', makes a sliding motion. A needle holder 17 is concentrically formed in a rod guide 15 provided inside the suction chamber 14, while a guide 16 is bored on the end of the needle holder 17. In the operational range of low air volume for an engine, the needle 3 is positioned as illustrated, making a contact with the jet 7 while the other end of the needle 3 is inserted into the guide 16 and the contact between the needle 3 and the jet 7 disappears in the operational region of high air volume.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13933380A JPS5765843A (en) | 1980-10-07 | 1980-10-07 | Variable venturi carburetter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13933380A JPS5765843A (en) | 1980-10-07 | 1980-10-07 | Variable venturi carburetter |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5765843A true JPS5765843A (en) | 1982-04-21 |
Family
ID=15242870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13933380A Pending JPS5765843A (en) | 1980-10-07 | 1980-10-07 | Variable venturi carburetter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5765843A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4472322A (en) * | 1982-11-01 | 1984-09-18 | Aisan Kogyo Kabushiki Kaisha | Variable venturi carburetor |
JPS6114755U (en) * | 1984-06-29 | 1986-01-28 | 株式会社京浜精機製作所 | Constant vacuum vaporizer |
-
1980
- 1980-10-07 JP JP13933380A patent/JPS5765843A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4472322A (en) * | 1982-11-01 | 1984-09-18 | Aisan Kogyo Kabushiki Kaisha | Variable venturi carburetor |
JPS6114755U (en) * | 1984-06-29 | 1986-01-28 | 株式会社京浜精機製作所 | Constant vacuum vaporizer |
JPH0238056Y2 (en) * | 1984-06-29 | 1990-10-15 |
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