JPH0387877U - - Google Patents
Info
- Publication number
- JPH0387877U JPH0387877U JP14644589U JP14644589U JPH0387877U JP H0387877 U JPH0387877 U JP H0387877U JP 14644589 U JP14644589 U JP 14644589U JP 14644589 U JP14644589 U JP 14644589U JP H0387877 U JPH0387877 U JP H0387877U
- Authority
- JP
- Japan
- Prior art keywords
- port
- end plate
- cylinder
- motor
- type 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.)
- Pending
Links
- 230000003628 erosive effect Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
Landscapes
- Reciprocating Pumps (AREA)
- Hydraulic Motors (AREA)
Description
第１図、第２図、第３図は本考案の実施例を示
し、第１図は正面図、第２図は横断面図、第３図
は弁板の切欠溝部分斜視図、第４図はピストン式
ポンプ・モータの断面図、第５図・第６図は従来
例の正面図、横断面図。
１……ケース、２……端板、３……ハウジング
、４……シリンダーブロツク、６……シリンダー
孔、７……ピストン、８……シリンダー室、１０
……ポート、１１……弁板、１２……ポート、１
３……高圧ポート、１４……低圧ポート、２０…
…切欠溝、２１，２２……スリツト。
1, 2, and 3 show an embodiment of the present invention, in which FIG. 1 is a front view, FIG. 2 is a cross-sectional view, FIG. The figure is a cross-sectional view of a piston type pump/motor, and FIGS. 5 and 6 are front views and cross-sectional views of conventional examples. DESCRIPTION OF SYMBOLS 1... Case, 2... End plate, 3... Housing, 4... Cylinder block, 6... Cylinder hole, 7... Piston, 8... Cylinder chamber, 10
... Port, 11 ... Valve plate, 12 ... Port, 1
3...High pressure port, 14...Low pressure port, 20...
...Notch groove, 21, 22...Slit.
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におけるポート１２と連続してシ
リンダーブロツク側面１１ａに開口したスリツト
２１と端板側面１１ｂに開口しスリツト２２より
成る切欠溝２０を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 a piston type pump/motor which is configured to alternately communicate with a high pressure port 13 and a low pressure port 14 formed in the end plate 2 through An erosion prevention device for a piston type pump/motor, characterized in that a cutout groove 20 consisting of a slit 22 is formed in the side surface 11b of the end plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14644589U JPH0387877U (en) | 1989-12-21 | 1989-12-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14644589U JPH0387877U (en) | 1989-12-21 | 1989-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0387877U true JPH0387877U (en) | 1991-09-06 |
Family
ID=31693027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14644589U Pending JPH0387877U (en) | 1989-12-21 | 1989-12-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0387877U (en) |
-
1989
- 1989-12-21 JP JP14644589U patent/JPH0387877U/ja active Pending
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