JPS63128282U - - Google Patents
Info
- Publication number
- JPS63128282U JPS63128282U JP2070187U JP2070187U JPS63128282U JP S63128282 U JPS63128282 U JP S63128282U JP 2070187 U JP2070187 U JP 2070187U JP 2070187 U JP2070187 U JP 2070187U JP S63128282 U JPS63128282 U JP S63128282U
- Authority
- JP
- Japan
- Prior art keywords
- chamber
- volume
- rotor structure
- suction port
- discharge port
- 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 6
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Description
第１図は本考案に係る一実施例の要部断面図、
第２図は同上の燃料ポンプの要部構成図、第３図
は同上の弾性部材の体積変化特性図、第４図は他
の圧力調整室の断面図、第５図は同上のポンプ作
用説明図、第６図は従来の容積型燃料ポンプの全
体構成図、第７図は同上の燃料ポンプの要部構成
図である。
１……ポンプベース、２……ポンプリング、３
……ポンププレート、５……ロータ、６……ロー
ラー、２１ａ，２１ｂ……吸入ポート、２２ａ，
２２ｂ……吐出ポート、２５……圧力調整室、２
７……弾性部材。
FIG. 1 is a sectional view of a main part of an embodiment according to the present invention,
Fig. 2 is a configuration diagram of the main parts of the fuel pump same as above, Fig. 3 is a volume change characteristic diagram of the elastic member same as above, Fig. 4 is a sectional view of another pressure adjustment chamber, and Fig. 5 is an explanation of the operation of the same pump as above. 6 is an overall configuration diagram of a conventional positive displacement fuel pump, and FIG. 7 is a configuration diagram of essential parts of the same fuel pump. 1...Pump base, 2...Pump ring, 3
... Pump plate, 5 ... Rotor, 6 ... Roller, 21a, 21b ... Suction port, 22a,
22b...Discharge port, 25...Pressure adjustment chamber, 2
7...Elastic member.
Claims (1)
ジング内にロータ構造体を回転自在に設け、該ロ
ータ構造体を回転駆動することにより前記ポンプ
ハウジング内壁と前記ロータ構造体の外周面とに
より形成された容室の容積を漸次増減して燃料を
前記吸入ポートから吸引し前記吐出ポートに吐出
する容積型燃料ポンプにおいて、前記容室が吸入
ポート及び吐出ポートの双方と連通しない回転領
域で、前記容室と連通し容室容積変化に応じてそ
の容積が変化する圧力調整室を形成したことを特
徴とする容積型燃料ポンプ。 A rotor structure is rotatably provided in a pump housing provided with a suction port and a discharge port, and by rotationally driving the rotor structure, a volume formed by the inner wall of the pump housing and the outer peripheral surface of the rotor structure is formed. In a positive displacement fuel pump that gradually increases or decreases the volume of a chamber to suck fuel from the suction port and discharge it to the discharge port, in a rotational region where the chamber does not communicate with both the suction port and the discharge port, A positive displacement fuel pump characterized by forming a pressure regulating chamber whose volume changes according to a change in the volume of the communicating chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2070187U JPH0417837Y2 (en) | 1987-02-17 | 1987-02-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2070187U JPH0417837Y2 (en) | 1987-02-17 | 1987-02-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63128282U true JPS63128282U (en) | 1988-08-22 |
| JPH0417837Y2 JPH0417837Y2 (en) | 1992-04-21 |
Family
ID=30816456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2070187U Expired JPH0417837Y2 (en) | 1987-02-17 | 1987-02-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0417837Y2 (en) |
-
1987
- 1987-02-17 JP JP2070187U patent/JPH0417837Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0417837Y2 (en) | 1992-04-21 |