JPH0389979U - - Google Patents
Info
- Publication number
- JPH0389979U JPH0389979U JP15143689U JP15143689U JPH0389979U JP H0389979 U JPH0389979 U JP H0389979U JP 15143689 U JP15143689 U JP 15143689U JP 15143689 U JP15143689 U JP 15143689U JP H0389979 U JPH0389979 U JP H0389979U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- float chamber
- return
- temperature
- detects
- 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)
Description
第１，２図はこの考案の実施例を示し、第１図
は燃料ポンプ制御装置の概略図、第２図は作用を
説明するフローチヤートである。第３図は従来に
おける燃料供給系の概略図である。
図において、２は燃料ポンプ制御装置、４は燃
料タンク、６は気化器、８は供給用燃料通路、１
４はフロート室、３８は戻し用燃料通路、４０は
戻し用燃料ポンプ、４２はイグニシヨンスイツチ
、４４はサーモスイツチ、そして４６はスロツト
ル開度スイツチである。
1 and 2 show an embodiment of this invention, FIG. 1 is a schematic diagram of a fuel pump control device, and FIG. 2 is a flowchart explaining the operation. FIG. 3 is a schematic diagram of a conventional fuel supply system. In the figure, 2 is a fuel pump control device, 4 is a fuel tank, 6 is a carburetor, 8 is a supply fuel passage, 1
4 is a float chamber, 38 is a return fuel passage, 40 is a return fuel pump, 42 is an ignition switch, 44 is a thermoswitch, and 46 is a throttle opening switch.
Claims (1)
給用燃料ポンプによつて供給する燃料ポンプ制御
装置において、前記フロート室の燃料を前記燃料
タンク内に還流させる戻し用燃料通路を設け、イ
グニシヨンスイツチがオンである条件と前記フロ
ート室の燃料温度を検出する温度スイツチが設定
燃料温度以上を検出してオンである条件とスロツ
トル開度スイツチが設定スロツトル開度以下を検
出してオンである条件とを満足した場合に前記戻
し用燃料通路を開成して前記フロート室の燃料を
前記燃料タンク内に還流させる戻し用燃料ポンプ
を前記戻し用燃料通路途中に設けたことを特徴と
する燃料ポンプ制御装置。 In a fuel pump control device for supplying fuel in a fuel tank to a float chamber of a carburetor by a supply fuel pump, a return fuel passage for circulating fuel in the float chamber back into the fuel tank is provided, and an ignition switch is provided. is on, the temperature switch that detects the fuel temperature in the float chamber is on when it detects a fuel temperature above the set fuel temperature, and the throttle opening switch is on when it detects a throttle opening below the set throttle opening. A fuel pump control device characterized in that a return fuel pump is provided in the middle of the return fuel passage to open the return fuel passage and recirculate the fuel in the float chamber into the fuel tank when the above is satisfied. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15143689U JPH0389979U (en) | 1989-12-29 | 1989-12-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15143689U JPH0389979U (en) | 1989-12-29 | 1989-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0389979U true JPH0389979U (en) | 1991-09-12 |
Family
ID=31697736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15143689U Pending JPH0389979U (en) | 1989-12-29 | 1989-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0389979U (en) |
-
1989
- 1989-12-29 JP JP15143689U patent/JPH0389979U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0389979U (en) | ||
| JPH0392561U (en) | ||
| JPS63112266U (en) | ||
| JPS62197753U (en) | ||
| JPS6038158U (en) | Fuel pressure control device for fuel supply system of fuel injection engine | |
| JPH03114570U (en) | ||
| JPS62184165U (en) | ||
| JPS61190466U (en) | ||
| JPH03102036U (en) | ||
| JPS63164562U (en) | ||
| JPH0254352U (en) | ||
| JPS59165952U (en) | Alcohol engine starting device | |
| JPS63113756U (en) | ||
| JPH01162069U (en) | ||
| JPS634348U (en) | ||
| JPH0243439U (en) | ||
| JPS62117259U (en) | ||
| JPS6354857U (en) | ||
| JPH01136646U (en) | ||
| JPS6169458U (en) | ||
| JPH0212044U (en) | ||
| JPH01136645U (en) | ||
| JPS61130749U (en) | ||
| JPS62169247U (en) | ||
| JPH03114566U (en) |