JPS63162988U - - Google Patents
Info
- Publication number
- JPS63162988U JPS63162988U JP5554987U JP5554987U JPS63162988U JP S63162988 U JPS63162988 U JP S63162988U JP 5554987 U JP5554987 U JP 5554987U JP 5554987 U JP5554987 U JP 5554987U JP S63162988 U JPS63162988 U JP S63162988U
- Authority
- JP
- Japan
- Prior art keywords
- pump
- housing
- electric
- pump chamber
- shallower
- 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 6
- 239000002828 fuel tank Substances 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図ないし第４図はこの考案の実施例を示し
、第１図は実施例の電動燃料ポンプの横断面図、
第２図および第３図は作用説明図、第４図はベー
パー・ジエツト部位のポンプ室縦断面図である。
第５図はポンプ内圧力特性図を示す。第６図以降
は従来の電動燃料ポンプを示し、第６図はタンク
内に取り付けられた状態の電動燃料ポンプの一部
破断側面図、第７図は電動燃料ポンプの縦断面図
、第８図は第７図のＡ―Ａ線断面図、第９図およ
び第１０図は作用説明図である。
２……燃料タンク、３……ハウジング、４……
モーター部、６……ポンプ部、７……電動モータ
ー、８……第１段インペラー、９……第２段イン
ペラ―、１１……第１段ポンプ室、１１ａ……ポ
ンプ室下流側底部、１２……第２段ポンプ室、２
１……ベーパー・ジエツト。
1 to 4 show an embodiment of this invention, and FIG. 1 is a cross-sectional view of an electric fuel pump of the embodiment;
2 and 3 are action explanatory diagrams, and FIG. 4 is a vertical sectional view of the pump chamber at the vapor jet portion.
FIG. 5 shows a characteristic diagram of the pressure inside the pump. Fig. 6 and subsequent figures show conventional electric fuel pumps, Fig. 6 is a partially cutaway side view of the electric fuel pump installed in a tank, Fig. 7 is a vertical sectional view of the electric fuel pump, and Fig. 8 is a cross-sectional view taken along the line A--A in FIG. 7, and FIGS. 9 and 10 are action explanatory diagrams. 2...Fuel tank, 3...Housing, 4...
Motor part, 6... Pump part, 7... Electric motor, 8... First stage impeller, 9... Second stage impeller, 11... First stage pump chamber, 11a... Downstream bottom of pump chamber, 12...Second stage pump chamber, 2
1...Vapor Jet.
Claims (1)
グと同軸に電動モーターを備えたモーター部と、
前記ハウジングの下部に配置され、前記電動モー
ターにより駆動されるインペラーとその羽根部を
収容した環状のポンプ室とを備えたポンプ部とで
構成され、燃料タンク内にほぼ垂直に装備された
電動燃料ポンプであつて、前記ポンプ室の中流域
から下流側の底部を上流側より浅くし、この浅く
した底部にベーパー・ジエツトを設けたことを特
徴とする電動燃料ポンプ。 a motor section disposed on the top of the cylindrical housing and equipped with an electric motor coaxially with the housing;
The electric fuel pump is disposed at the lower part of the housing and includes a pump section that includes an impeller driven by the electric motor and an annular pump chamber that accommodates the impeller's blades, and is installed almost vertically in the fuel tank. 1. An electric fuel pump, characterized in that the bottom of the pump chamber on the downstream side from the middle region is shallower than the upstream side, and a vapor jet is provided in the shallower bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5554987U JPS63162988U (en) | 1987-04-13 | 1987-04-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5554987U JPS63162988U (en) | 1987-04-13 | 1987-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63162988U true JPS63162988U (en) | 1988-10-25 |
Family
ID=30883543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5554987U Pending JPS63162988U (en) | 1987-04-13 | 1987-04-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63162988U (en) |
-
1987
- 1987-04-13 JP JP5554987U patent/JPS63162988U/ja active Pending