JPH0462367U - - Google Patents
Info
- Publication number
- JPH0462367U JPH0462367U JP10451390U JP10451390U JPH0462367U JP H0462367 U JPH0462367 U JP H0462367U JP 10451390 U JP10451390 U JP 10451390U JP 10451390 U JP10451390 U JP 10451390U JP H0462367 U JPH0462367 U JP H0462367U
- Authority
- JP
- Japan
- Prior art keywords
- port
- valve plate
- cylinder
- type pump
- piston
- 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
Landscapes
- Reciprocating Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
- Hydraulic Motors (AREA)
Description
第1図、第2図は本考案の実施例を示し、第1
図は弁板のポート端部正面図、第2図は弁板の切
欠溝部分斜視図、第3図はピストン式ポンプ・モ
ータの断面図、第4図・第5図は従来例の正面図
、横断面図である。
1はケース、2は端板、3はハウジング、4は
シリンダーブロツク、6はシリンダー孔、7はピ
ストン、8はシリンダー室、10はポート、11
は弁板、12はポート、13は高圧ポート、14
は低圧ポート、21,22は第1・第2切欠溝。
Figures 1 and 2 show embodiments of the present invention;
The figure is a front view of the port end of the valve plate, Figure 2 is a perspective view of the cutout groove part of the valve plate, Figure 3 is a sectional view of the piston type pump/motor, and Figures 4 and 5 are front views of the conventional example. , a cross-sectional view. 1 is a case, 2 is an end plate, 3 is a housing, 4 is a cylinder block, 6 is a cylinder hole, 7 is a piston, 8 is a cylinder chamber, 10 is a port, 11
is a valve plate, 12 is a port, 13 is a high pressure port, 14
is a low pressure port, and 21 and 22 are first and second notched grooves.
Claims (1)
リンダーブロツク4を回転自在に設け、このシリ
ンダーブロツク4のシリンダー孔6内にピストン
7を嵌挿してシリンダー室8を形成し、このシリ
ンダー室8をポート10、弁板11のポート12
を経て端板2に形成した高圧ポート13と低圧ポ
ート14に交互に連通するようにしたピストン式
ポンプ・モータにおいて、 前記弁板11にポート12と連続して第1・第
2切欠溝20,21を、その第1・第2切欠溝2
0,21が同時にポート10に開口し、かつ各中
心線B,Cがポート10内において交差するよう
うに形成したことを特徴とするピストン式ポンプ
・モータのエロージヨン防止装置。[Claims for Utility Model Registration] A cylinder block 4 is rotatably provided in a housing 3 consisting of a case 1 and an end plate 2, and a piston 7 is inserted into a cylinder hole 6 of the cylinder block 4 to form a cylinder chamber 8. This cylinder chamber 8 is connected to port 10 and port 12 of valve plate 11.
In the piston type pump/motor, the valve plate 11 has first and second notched grooves 20, which are continuous with the port 12, in the piston type pump motor which communicates alternately with the high pressure port 13 and the low pressure port 14 formed in the end plate 2 through the valve plate 11. 21, its first and second notch grooves 2
0 and 21 open to a port 10 at the same time, and center lines B and C intersect within the port 10.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10451390U JPH0462367U (en) | 1990-10-05 | 1990-10-05 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10451390U JPH0462367U (en) | 1990-10-05 | 1990-10-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0462367U true JPH0462367U (en) | 1992-05-28 |
Family
ID=31849821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10451390U Pending JPH0462367U (en) | 1990-10-05 | 1990-10-05 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0462367U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20140097040A (en) * | 2013-01-29 | 2014-08-06 | 이세키노우키가부시키가이샤 | Working vehicle |
CN108644104A (en) * | 2018-05-17 | 2018-10-12 | 徐工集团工程机械有限公司 | The valve plate and plunger type fluid machinery of plunger type fluid machinery |
-
1990
- 1990-10-05 JP JP10451390U patent/JPH0462367U/ja active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20140097040A (en) * | 2013-01-29 | 2014-08-06 | 이세키노우키가부시키가이샤 | Working vehicle |
JP2014145301A (en) * | 2013-01-29 | 2014-08-14 | Iseki & Co Ltd | Work vehicle |
CN108644104A (en) * | 2018-05-17 | 2018-10-12 | 徐工集团工程机械有限公司 | The valve plate and plunger type fluid machinery of plunger type fluid machinery |
CN108644104B (en) * | 2018-05-17 | 2023-12-08 | 江苏徐工工程机械研究院有限公司 | Valve plate of plunger type fluid machine and plunger type fluid machine |
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