JPH0368574U - - Google Patents
Info
- Publication number
- JPH0368574U JPH0368574U JP13012189U JP13012189U JPH0368574U JP H0368574 U JPH0368574 U JP H0368574U JP 13012189 U JP13012189 U JP 13012189U JP 13012189 U JP13012189 U JP 13012189U JP H0368574 U JPH0368574 U JP H0368574U
- Authority
- JP
- Japan
- Prior art keywords
- pressure chamber
- cylinder
- liquid
- piston
- circumferential surface
- 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
- 238000011084 recovery Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims 8
- 238000010586 diagram Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 1
Landscapes
- Reciprocating Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Description
第１図は第１の実施例のポンプの縦断面図、第
２図は第１図に示すポンプのシリンダの左側面図
、第３図は第１図のポンプの燃料通路配管を示す
概略図、第４図はメインピストンおよびサブピス
トンの変位を示す線図、第５図は第２の実施例の
燃料通路配管を示す概略図、第６図は第３の実施
例のポンプの側面図である。
８ａ，８ｂ，８ｃ，８ｄ……メインシリンダボ
ア、９ａ，９ｂ，９ｃ，９ｄ……サブシリンダボ
ア、１０ａ，１０ｂ，１０ｃ……メインピストン
、１１……メインシリンダ室、１３ａ，１３ｂ，
１３ｃ……サブピストン、１４……サブシリンダ
室、２３……漏洩燃料回収溝。
FIG. 1 is a longitudinal sectional view of the pump of the first embodiment, FIG. 2 is a left side view of the cylinder of the pump shown in FIG. 1, and FIG. 3 is a schematic diagram showing the fuel passage piping of the pump shown in FIG. 1. , FIG. 4 is a diagram showing the displacement of the main piston and sub-piston, FIG. 5 is a schematic diagram showing the fuel passage piping of the second embodiment, and FIG. 6 is a side view of the pump of the third embodiment. be. 8a, 8b, 8c, 8d...Main cylinder bore, 9a, 9b, 9c, 9d...Sub cylinder bore, 10a, 10b, 10c...Main piston, 11...Main cylinder chamber, 13a, 13b,
13c...Sub-piston, 14...Sub-cylinder chamber, 23...Leaked fuel recovery groove.
Claims (1)
れたピストンの先端とによつて圧力室を形成し、
前記ピストンを変位せしめることによつて前記圧
力室の容積を変化せしめて前記圧力室内に導入さ
れた液体を吐出するようにした液体供給ポンプに
おいて、前記シリンダ内周面と前記ピストン外周
面との隙間を介して前記圧力室から漏洩する液体
を回収するための漏洩液体回収溝を前記シリンダ
内周面上に形成し、該漏洩液体回収溝内の漏洩液
体を回収するための漏洩液体回収ポンプを設けた
液体供給ポンプ。 A pressure chamber is formed by a cylinder and a tip of a piston displaceably inserted into the cylinder,
In a liquid supply pump configured to discharge liquid introduced into the pressure chamber by changing the volume of the pressure chamber by displacing the piston, a gap between the inner circumferential surface of the cylinder and the outer circumferential surface of the piston; A leakage liquid recovery groove is formed on the inner circumferential surface of the cylinder to recover liquid leaking from the pressure chamber through the pressure chamber, and a leakage liquid recovery pump is provided to recover the leakage liquid in the leakage liquid recovery groove. liquid supply pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13012189U JPH0368574U (en) | 1989-11-09 | 1989-11-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13012189U JPH0368574U (en) | 1989-11-09 | 1989-11-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0368574U true JPH0368574U (en) | 1991-07-05 |
Family
ID=31677714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13012189U Pending JPH0368574U (en) | 1989-11-09 | 1989-11-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0368574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018003677A (en) * | 2016-06-30 | 2018-01-11 | コイト電工株式会社 | Pump mechanism and fluid supply device |
-
1989
- 1989-11-09 JP JP13012189U patent/JPH0368574U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018003677A (en) * | 2016-06-30 | 2018-01-11 | コイト電工株式会社 | Pump mechanism and fluid supply device |
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