JPS61140185U - - Google Patents
Info
- Publication number
- JPS61140185U JPS61140185U JP2416185U JP2416185U JPS61140185U JP S61140185 U JPS61140185 U JP S61140185U JP 2416185 U JP2416185 U JP 2416185U JP 2416185 U JP2416185 U JP 2416185U JP S61140185 U JPS61140185 U JP S61140185U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- check valve
- diaphragm
- pressurizing chamber
- attached
- 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
- 239000000446 fuel Substances 0.000 claims description 16
Landscapes
- Reciprocating Pumps (AREA)
Description
第１，２図は本考案の第１実施例としてのチエ
ツクバルブ付き機械式燃料ポンプを示すもので、
第１図はその要部縦断面図、第２図はその模式的
縦断面図であり、第３，４図は本考案の第２実施
例としてのチエツクバルブ付き機械式燃料ポンプ
を示すもので、第３図はそのチエツクバルブ部平
面図、第４図はそのチエツクバルブ部縦断面図で
あり、第５図は従来の機械式燃料ポンプの模式的
縦断面図である。
１…機械式燃料ポンプ、２…ケーシング、３…
ダイヤフラム、４…燃料加圧室、５…プルロツド
、８…ロツカアーム、９…往復動機構、１０，１
０′…戻しバネ、１１…燃料入口、１２…燃料出
口、１３…カム、１４，１５…チエツクバルブ、
１４ａ，１５ａ…弁体、１４ｂ，１５ｂ…弁座、
１４ｃ，１５ｃ…バネ、１５ｄ…リテーナ、１４
ｅ，１４ｆ，１５ｅ，１５ｆ…磁石、１４ｇ，１
５ｇ…孔、１４ｈ，１５ｈ…放射状延在部。
Figures 1 and 2 show a mechanical fuel pump with a check valve as the first embodiment of the present invention.
Fig. 1 is a vertical sectional view of the main part thereof, Fig. 2 is a schematic longitudinal sectional view thereof, and Figs. 3 and 4 show a mechanical fuel pump with a check valve as a second embodiment of the present invention. 3 is a plan view of the check valve portion, FIG. 4 is a vertical cross-sectional view of the check valve portion, and FIG. 5 is a schematic vertical cross-sectional view of the conventional mechanical fuel pump. 1... Mechanical fuel pump, 2... Casing, 3...
Diaphragm, 4...Fuel pressurization chamber, 5...Pull rod, 8...Rocker arm, 9...Reciprocating mechanism, 10, 1
0'... Return spring, 11... Fuel inlet, 12... Fuel outlet, 13... Cam, 14, 15... Check valve,
14a, 15a...valve body, 14b, 15b...valve seat,
14c, 15c...Spring, 15d...Retainer, 14
e, 14f, 15e, 15f...Magnet, 14g, 1
5g...hole, 14h, 15h...radial extension part.
Claims (1)
て、同ポンプのケーシングと同ケーシング内に装
着されるダイヤフラムとにより形成された燃料加
圧室と、上記ダイヤフラムに加圧作動を行なわせ
るべく同ダイヤフラムに付設されてその軸方向に
往復動を行なわせる往復動機構と、上記燃料加圧
室に形成された燃料入口および燃料出口と、これ
らの燃料入口および燃料出口のそれぞれに装備さ
れたチエツクバルブとをそなえ、上記チエツクバ
ルブの弁体と弁座とが対向する部分に相互に反発
力を発生する磁石が設けられたことを特徴とする
、チエツクバルブ付き機械式燃料ポンプ。 A mechanical fuel pump attached to an engine has a fuel pressurizing chamber formed by a casing of the pump and a diaphragm attached to the casing, and a fuel pressurizing chamber attached to the diaphragm to pressurize the diaphragm. a reciprocating mechanism for reciprocating in the axial direction; a fuel inlet and a fuel outlet formed in the fuel pressurizing chamber; and a check valve provided at each of the fuel inlet and the fuel outlet, A mechanical fuel pump with a check valve, characterized in that a magnet that generates a mutual repulsive force is provided at a portion where the valve body and valve seat of the check valve face each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2416185U JPS61140185U (en) | 1985-02-21 | 1985-02-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2416185U JPS61140185U (en) | 1985-02-21 | 1985-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61140185U true JPS61140185U (en) | 1986-08-30 |
Family
ID=30518058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2416185U Pending JPS61140185U (en) | 1985-02-21 | 1985-02-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61140185U (en) |
-
1985
- 1985-02-21 JP JP2416185U patent/JPS61140185U/ja active Pending
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