JPH0487960U - - Google Patents
Info
- Publication number
- JPH0487960U JPH0487960U JP40081490U JP40081490U JPH0487960U JP H0487960 U JPH0487960 U JP H0487960U JP 40081490 U JP40081490 U JP 40081490U JP 40081490 U JP40081490 U JP 40081490U JP H0487960 U JPH0487960 U JP H0487960U
- Authority
- JP
- Japan
- Prior art keywords
- plunger
- barrel
- injection pump
- fuel injection
- hardened
- 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 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- 239000011247 coating layer Substances 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Ladders (AREA)
Description
第１図はこの考案の燃料噴射ポンプの一実施例
の要部を示す中央縦断面図、第２図は従来例の中
央縦断面図である。
１……バレル、２……プランジヤ、６……スリ
ーブ、９……リード部、１２……ＴｉＮコーテイ
ング層（硬化部）。
FIG. 1 is a central vertical cross-sectional view showing essential parts of an embodiment of the fuel injection pump of this invention, and FIG. 2 is a central vertical cross-sectional view of a conventional example. DESCRIPTION OF SYMBOLS 1... Barrel, 2... Plunger, 6... Sleeve, 9... Lead part, 12... TiN coating layer (hardened part).
Claims (1)
出を行う燃料噴射ポンプにおいて、プランジヤの
リード部近傍を自溶性合金にて形成したことを特
徴とする燃料噴射ポンプ。 ２ 上記バレルの内周部におけるリード部摺接部
には、ＴｉＮコーテイング層、ビーム焼入部等の
硬化部を形成したことを特徴とする第１請求項記
載の燃料噴射ポンプ。[Claims for Utility Model Registration] 1. A fuel injection pump that discharges fuel by reciprocating a plunger within a barrel, characterized in that the vicinity of the lead portion of the plunger is made of a self-fusing alloy. 2. The fuel injection pump according to claim 1, wherein a hardened portion such as a TiN coating layer or a beam hardened portion is formed on the sliding contact portion of the lead portion in the inner peripheral portion of the barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP40081490U JPH0487960U (en) | 1990-12-17 | 1990-12-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP40081490U JPH0487960U (en) | 1990-12-17 | 1990-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0487960U true JPH0487960U (en) | 1992-07-30 |
Family
ID=31878999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP40081490U Pending JPH0487960U (en) | 1990-12-17 | 1990-12-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0487960U (en) |
-
1990
- 1990-12-17 JP JP40081490U patent/JPH0487960U/ja active Pending
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