JPH046785U - - Google Patents
Info
- Publication number
- JPH046785U JPH046785U JP4739790U JP4739790U JPH046785U JP H046785 U JPH046785 U JP H046785U JP 4739790 U JP4739790 U JP 4739790U JP 4739790 U JP4739790 U JP 4739790U JP H046785 U JPH046785 U JP H046785U
- Authority
- JP
- Japan
- Prior art keywords
- side plates
- movable side
- casing
- gear
- gear 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
- 239000012530 fluid Substances 0.000 claims 1
- 238000005461 lubrication Methods 0.000 claims 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Rotary Pumps (AREA)
- Hydraulic Motors (AREA)
Description
第１図は本考案の一実施例を示す縦断面図、第
２図、第３図はそれぞれ第１図の−、−
に沿つた横断面図、第４図は第３図の部分拡大図
、第５図は第４図の変形例を示す同じく部分拡大
図である。第６図は公知の歯車ポンプを示す縦断
面図、第７図、第８図はそれぞれ第６図の−
、−に沿つた横断面図、第９図は第８図の部
分拡大図である。
１……油溝、２，３……連通孔、４……オリフ
イス、５……ブツシユ、０１……ケーシング、０
２……軸受、０３……可動側板、０４……駆動歯
車、０５……従動歯車、０６……前カバー、０７
……後カバー、０８……駆動歯車軸、０９……オ
イルシール、０１０……矢印、０１１……吸込口
、０１２……吐出口、０１３……シール、０１４
，０１５……空間、０１６……従動歯車軸、０１
７……Ｏリング、０１８……吸込側嵌合部、０１
９……吐出側嵌合部、０２０……吸込側嵌合部、
０２１……吐出側嵌合部、ｃ１，ｃ２……すき間
、ｄ……直径。
FIG. 1 is a longitudinal sectional view showing an embodiment of the present invention, and FIGS. 2 and 3 are - and - of FIG. 1, respectively.
4 is a partially enlarged view of FIG. 3, and FIG. 5 is a partially enlarged view showing a modification of FIG. 4. FIG. 6 is a longitudinal cross-sectional view showing a known gear pump, and FIGS. 7 and 8 are respectively the −-
, - FIG. 9 is a partially enlarged view of FIG. 8. 1... Oil groove, 2, 3... Communication hole, 4... Orifice, 5... Bush, 01... Casing, 0
2... Bearing, 03... Movable side plate, 04... Drive gear, 05... Driven gear, 06... Front cover, 07
... Rear cover, 08 ... Drive gear shaft, 09 ... Oil seal, 010 ... Arrow, 011 ... Suction port, 012 ... Discharge port, 013 ... Seal, 014
, 015... Space, 016... Driven gear shaft, 01
7...O ring, 018...Suction side fitting part, 01
9...Discharge side fitting part, 020...Suction side fitting part,
021...Discharge side fitting part, c1 , c2 ...Gap, d...Diameter.
Claims (1)
軸支する前後１対の可動側板を内蔵した歯車ポン
プ・モーターにおいて、上記ケーシング及び上記
可動側板の高圧側嵌合部と上記可動側板の軸受と
を比較的小径孔で連通し吐出側の高圧作動液体を
上記軸受に導入することを特徴とする歯車ポンプ
・モーター軸受の強制潤滑構造。 In a gear pump motor that has a built-in pair of front and rear movable side plates that respectively pivotally support a driving gear and a driven gear within a casing, the high-pressure side fitting portions of the casing and movable side plates and the bearings of the movable side plates are compared. A forced lubrication structure for a gear pump/motor bearing characterized by communicating through a small diameter hole and introducing high pressure working fluid on the discharge side into the bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990047397U JP2532862Y2 (en) | 1990-05-08 | 1990-05-08 | Forced lubrication structure of gear pump and motor bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990047397U JP2532862Y2 (en) | 1990-05-08 | 1990-05-08 | Forced lubrication structure of gear pump and motor bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH046785U true JPH046785U (en) | 1992-01-22 |
| JP2532862Y2 JP2532862Y2 (en) | 1997-04-16 |
Family
ID=31563289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990047397U Expired - Lifetime JP2532862Y2 (en) | 1990-05-08 | 1990-05-08 | Forced lubrication structure of gear pump and motor bearing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2532862Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016152402A1 (en) * | 2015-03-23 | 2016-09-29 | 日立オートモティブシステムズ株式会社 | Pump device |
| WO2020241035A1 (en) * | 2019-05-30 | 2020-12-03 | 株式会社Ihi | External gear pump |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5068301U (en) * | 1973-10-24 | 1975-06-18 | ||
| JPS5155004A (en) * | 1974-11-08 | 1976-05-14 | Daido Metal Co |
-
1990
- 1990-05-08 JP JP1990047397U patent/JP2532862Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5068301U (en) * | 1973-10-24 | 1975-06-18 | ||
| JPS5155004A (en) * | 1974-11-08 | 1976-05-14 | Daido Metal Co |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016152402A1 (en) * | 2015-03-23 | 2016-09-29 | 日立オートモティブシステムズ株式会社 | Pump device |
| JP2016180313A (en) * | 2015-03-23 | 2016-10-13 | 日立オートモティブシステムズ株式会社 | Pump device |
| WO2020241035A1 (en) * | 2019-05-30 | 2020-12-03 | 株式会社Ihi | External gear pump |
| JPWO2020241035A1 (en) * | 2019-05-30 | 2021-12-09 | 株式会社Ihi | Circumscribed gear pump |
| US11732711B2 (en) | 2019-05-30 | 2023-08-22 | Ihi Corporation | External gear pump |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2532862Y2 (en) | 1997-04-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |