JPH02131061U - - Google Patents
Info
- Publication number
- JPH02131061U JPH02131061U JP4041789U JP4041789U JPH02131061U JP H02131061 U JPH02131061 U JP H02131061U JP 4041789 U JP4041789 U JP 4041789U JP 4041789 U JP4041789 U JP 4041789U JP H02131061 U JPH02131061 U JP H02131061U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- carburetor
- check valve
- fuel supply
- suction
- 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
- 239000000446 fuel Substances 0.000 claims description 10
- 239000002828 fuel tank Substances 0.000 claims description 3
- 230000037452 priming Effects 0.000 claims description 2
- 230000010349 pulsation Effects 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Means For Warming Up And Starting Carburetors (AREA)
Description
第１図は本考案にかかる燃料タンクを含むダイ
ヤフラム式気化器の断面図である。第２図は従来
のダイヤフラム式気化器の概略説明図である。
１……気化器、２……吸入ライン、３……燃料
供給通路、８……燃料溜室、９……吸入チエツク
弁、１０……プライミングポンプ、１１……リタ
ーン通路、１２……吐出チエツク弁、１３……リ
ターンライン、１４……燃料タンク、１５……ニ
ードルバルブ、２０……メタリングチヤンバ、Ｐ
……燃料送給ポンプ。
FIG. 1 is a sectional view of a diaphragm carburetor including a fuel tank according to the present invention. FIG. 2 is a schematic explanatory diagram of a conventional diaphragm type carburetor. DESCRIPTION OF SYMBOLS 1... Carburizer, 2... Suction line, 3... Fuel supply passage, 8... Fuel storage chamber, 9... Suction check valve, 10... Priming pump, 11... Return passage, 12... Discharge check Valve, 13... Return line, 14... Fuel tank, 15... Needle valve, 20... Metering chamber, P
...Fuel feed pump.
Claims (1)
ンとリターンラインを有し、メタリングチヤンバ
と燃料供給通路との連通を断続するニードルバル
ブと、エンジンの脈動によつて作動する燃料送給
ポンプとを備えた気化器において、該燃料送給ポ
ンプの下流側で該ニードルバルブ手前の燃料供給
通路に燃料溜室を設け、この燃料溜室に前記リタ
ーンラインに通ずるリターン通路を接続するとと
もに、このリターン通路の上流側に吸入チエツク
弁、その下流側に吐出チエツク弁とを設け、この
両チエツク弁の間にプライミングポンプを接続し
たことを特徴とするダイヤフラム式気化器の始動
装置。 It has a fuel suction line and a return line that connect the carburetor and the fuel tank, a needle valve that connects and disconnects communication between the metering chamber and the fuel supply passage, and a fuel supply pump that is operated by the pulsation of the engine. In the carburetor equipped with the above, a fuel reservoir is provided in the fuel supply passage downstream of the fuel feed pump and before the needle valve, and a return passage leading to the return line is connected to the fuel reservoir, and the return passage A starting device for a diaphragm type carburetor, characterized in that a suction check valve is provided on the upstream side of the diaphragm type carburetor, a discharge check valve is provided on the downstream side of the suction check valve, and a priming pump is connected between the two check valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989040417U JPH066223Y2 (en) | 1989-04-05 | 1989-04-05 | Diaphragm carburetor starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989040417U JPH066223Y2 (en) | 1989-04-05 | 1989-04-05 | Diaphragm carburetor starter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02131061U true JPH02131061U (en) | 1990-10-30 |
| JPH066223Y2 JPH066223Y2 (en) | 1994-02-16 |
Family
ID=31550188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989040417U Expired - Lifetime JPH066223Y2 (en) | 1989-04-05 | 1989-04-05 | Diaphragm carburetor starter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH066223Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009243442A (en) * | 2008-03-31 | 2009-10-22 | Hitachi Koki Co Ltd | Engine |
| JP2011236744A (en) * | 2010-04-30 | 2011-11-24 | Hitachi Koki Co Ltd | Engine and engine working machine with the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5121226U (en) * | 1974-08-03 | 1976-02-17 | ||
| JPS6429248U (en) * | 1987-08-13 | 1989-02-21 |
-
1989
- 1989-04-05 JP JP1989040417U patent/JPH066223Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5121226U (en) * | 1974-08-03 | 1976-02-17 | ||
| JPS6429248U (en) * | 1987-08-13 | 1989-02-21 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009243442A (en) * | 2008-03-31 | 2009-10-22 | Hitachi Koki Co Ltd | Engine |
| JP2011236744A (en) * | 2010-04-30 | 2011-11-24 | Hitachi Koki Co Ltd | Engine and engine working machine with the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH066223Y2 (en) | 1994-02-16 |