JPH02135683U - - Google Patents
Info
- Publication number
- JPH02135683U JPH02135683U JP4511589U JP4511589U JPH02135683U JP H02135683 U JPH02135683 U JP H02135683U JP 4511589 U JP4511589 U JP 4511589U JP 4511589 U JP4511589 U JP 4511589U JP H02135683 U JPH02135683 U JP H02135683U
- Authority
- JP
- Japan
- Prior art keywords
- discharge port
- suction port
- depending
- pump
- reverse pump
- 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
Landscapes
- Details And Applications Of Rotary Liquid Pumps (AREA)
Description
第１図は本考案の実施例を示す正逆転型トロコ
イドポンプの縦断面図である。
１……外歯歯車、２……回転軸、３……内歯歯
車、４……ポンプケース、６……吸込ポート、７
……吐出ポート、１１，１２……ポート、１３…
…プラグ、１４……ドレーン、１５……シヤツト
ル弁、１６……スプール、１８……切欠。
FIG. 1 is a longitudinal cross-sectional view of a forward/reverse type trochoid pump showing an embodiment of the present invention. 1... External gear, 2... Rotating shaft, 3... Internal gear, 4... Pump case, 6... Suction port, 7
...Discharge port, 11, 12...Port, 13...
...Plug, 14...Drain, 15...Shuttle valve, 16...Spool, 18...Notch.
Claims (1)
転する正逆転型ポンプにおいて、ポンプケースに
連通するドレーンを吸込ポートと吐出ポートとの
差圧に応じてこれらのうちの低圧側へのみ接続す
るシヤツトル弁を備えたことを特徴とする正逆転
型ポンプ。 In a forward/reverse pump that reverses the suction port and discharge port depending on the rotation direction, a shuttle valve that connects the drain communicating with the pump case only to the low pressure side of the suction port and discharge port depending on the differential pressure between them. A forward-reverse pump characterized by the following:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989045115U JP2500957Y2 (en) | 1989-04-18 | 1989-04-18 | Forward / reverse pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989045115U JP2500957Y2 (en) | 1989-04-18 | 1989-04-18 | Forward / reverse pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02135683U true JPH02135683U (en) | 1990-11-13 |
| JP2500957Y2 JP2500957Y2 (en) | 1996-06-12 |
Family
ID=31559014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989045115U Expired - Fee Related JP2500957Y2 (en) | 1989-04-18 | 1989-04-18 | Forward / reverse pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2500957Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006105029A (en) * | 2004-10-06 | 2006-04-20 | Hitachi Ltd | Oil pump |
| WO2017104843A1 (en) * | 2015-12-18 | 2017-06-22 | 日本電産トーソク株式会社 | Pump device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5546076A (en) * | 1978-09-29 | 1980-03-31 | Shimadzu Corp | Normally and reversely rotatably gear pump with recycling hole switching valve |
-
1989
- 1989-04-18 JP JP1989045115U patent/JP2500957Y2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5546076A (en) * | 1978-09-29 | 1980-03-31 | Shimadzu Corp | Normally and reversely rotatably gear pump with recycling hole switching valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006105029A (en) * | 2004-10-06 | 2006-04-20 | Hitachi Ltd | Oil pump |
| WO2017104843A1 (en) * | 2015-12-18 | 2017-06-22 | 日本電産トーソク株式会社 | Pump device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2500957Y2 (en) | 1996-06-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |