JPS646375U - - Google Patents
Info
- Publication number
- JPS646375U JPS646375U JP10097587U JP10097587U JPS646375U JP S646375 U JPS646375 U JP S646375U JP 10097587 U JP10097587 U JP 10097587U JP 10097587 U JP10097587 U JP 10097587U JP S646375 U JPS646375 U JP S646375U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- piston body
- end surface
- cap
- hydraulic 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
- 239000012530 fluid Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 1
Description
第１図は本考案の一実施例の縦断面図、第２図
は第１図のＡ−Ａ断面図、第３図は上記実施例の
側面図、第４図は本考案の他の実施例を断面で示
す側面図、第５図は従来の斜板式液圧ポンプの縦
断面図、第６図は第５図の要部の拡大断面図であ
る。
１……ピストン本体、６……ピストン頭部、８
……流体路、９，１０……余肉抜きによる孔、１
３……キヤツプ、１４……ガス抜き孔、１５……
環状溝。
Fig. 1 is a longitudinal sectional view of one embodiment of the present invention, Fig. 2 is a sectional view taken along the line A-A in Fig. 1, Fig. 3 is a side view of the above embodiment, and Fig. 4 is another embodiment of the invention. FIG. 5 is a longitudinal sectional view of a conventional swash plate type hydraulic pump, and FIG. 6 is an enlarged sectional view of the main part of FIG. 5. 1... Piston body, 6... Piston head, 8
...Fluid path, 9, 10... Hole by removing excess thickness, 1
3... Cap, 14... Gas vent hole, 15...
Annular groove.
Claims (1)
が設けられその内部が余肉抜きされたピストン本
体の上記ピストン端面部に、ピストン本体の上記
余肉抜きされた部分を密封するキヤツプを固着し
たことを特徴とする液圧ポンプ又はモータのピス
トン。 A cap for sealing the portion of the piston body from which the excess thickness has been removed is fixed to the piston end surface of the piston body, in which a fluid path communicating from the center of the end surface to the piston bulb is provided and the interior of the piston body has been cut out. A piston of a hydraulic pump or motor characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10097587U JPS646375U (en) | 1987-07-02 | 1987-07-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10097587U JPS646375U (en) | 1987-07-02 | 1987-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS646375U true JPS646375U (en) | 1989-01-13 |
Family
ID=31329542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10097587U Pending JPS646375U (en) | 1987-07-02 | 1987-07-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS646375U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH707789A1 (en) * | 2013-03-25 | 2014-09-30 | Liebherr Machines Bulle Sa | Piston for an axial piston. |
| WO2016201241A1 (en) * | 2015-06-10 | 2016-12-15 | Parker-Hannifin Corporation | 3d printed solid piston with internal void |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5097902A (en) * | 1973-12-28 | 1975-08-04 | ||
| JPS54119107A (en) * | 1978-03-09 | 1979-09-14 | Honda Motor Co Ltd | Wash-plate rotary-plunger type hydraulic system |
-
1987
- 1987-07-02 JP JP10097587U patent/JPS646375U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5097902A (en) * | 1973-12-28 | 1975-08-04 | ||
| JPS54119107A (en) * | 1978-03-09 | 1979-09-14 | Honda Motor Co Ltd | Wash-plate rotary-plunger type hydraulic system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH707789A1 (en) * | 2013-03-25 | 2014-09-30 | Liebherr Machines Bulle Sa | Piston for an axial piston. |
| JP2014185639A (en) * | 2013-03-25 | 2014-10-02 | Liebherr Machines Bulle Sa | Piston for axial piston machine |
| WO2016201241A1 (en) * | 2015-06-10 | 2016-12-15 | Parker-Hannifin Corporation | 3d printed solid piston with internal void |