JPH03127084U - - Google Patents
Info
- Publication number
- JPH03127084U JPH03127084U JP3510290U JP3510290U JPH03127084U JP H03127084 U JPH03127084 U JP H03127084U JP 3510290 U JP3510290 U JP 3510290U JP 3510290 U JP3510290 U JP 3510290U JP H03127084 U JPH03127084 U JP H03127084U
- Authority
- JP
- Japan
- Prior art keywords
- electric motor
- liquid tank
- casing
- hydraulic pump
- pump device
- 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
- 239000007788 liquid Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 2
Landscapes
- Details Of Reciprocating Pumps (AREA)
Description
第１図は本考案の実施例を示す正断面図、第２
図は第１図Ａ−Ａ線断面図、第３図は従来装置を
概略的に示す断面図である。
図中、１……液体タンク、２……ポンプ本体、
４……吸入通路、５……戻し通路、１１……ケー
シング、１１ａ……吸気トンネル部、１１ｂ……
排気トンネル部、１２……回転軸、１３……冷却
フアン、１４……クランク軸、Ｍ……電動機であ
る。
Fig. 1 is a front sectional view showing an embodiment of the present invention, Fig. 2 is a front sectional view showing an embodiment of the present invention;
The figures are a sectional view taken along the line A--A in FIG. 1, and FIG. 3 is a sectional view schematically showing a conventional device. In the figure, 1...Liquid tank, 2...Pump body,
4... Suction passage, 5... Return passage, 11... Casing, 11a... Intake tunnel section, 11b...
Exhaust tunnel section, 12... Rotating shaft, 13... Cooling fan, 14... Crankshaft, M... Electric motor.
Claims (1)
タンクに接続され、電動機によりポンプ機構が駆
動される液圧ポンプ装置において、液体タンク内
には該液体タンクとは水密にケーシングを構設す
ると共に、このケーシング内には液体タンク内と
遮断させて電動機を収設して成ることを特徴とす
る電動機内蔵型液圧ポンプ装置。 (2) ケーシング上に電動機側と連通する冷却用
の吸気トンネル部と排気トンネル部をそれぞれ設
けて成ることを特徴とする請求項(1)記載の電動
機内蔵型液圧ポンプ装置。[Scope of Claim for Utility Model Registration] (1) In a hydraulic pump device in which a suction passage and a return passage on the side of the pump body are connected to a liquid tank, and a pump mechanism is driven by an electric motor, there is no space between the liquid tank and the liquid tank. A hydraulic pump device with a built-in electric motor, characterized in that a casing is constructed in a watertight manner, and an electric motor is housed in the casing to be isolated from the inside of a liquid tank. (2) The hydraulic pump device with a built-in electric motor according to claim (1), characterized in that an intake tunnel portion and an exhaust tunnel portion for cooling, which communicate with the electric motor side, are respectively provided on the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3510290U JPH03127084U (en) | 1990-03-30 | 1990-03-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3510290U JPH03127084U (en) | 1990-03-30 | 1990-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03127084U true JPH03127084U (en) | 1991-12-20 |
Family
ID=31540171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3510290U Pending JPH03127084U (en) | 1990-03-30 | 1990-03-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03127084U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000303949A (en) * | 1999-04-22 | 2000-10-31 | Yuken Kogyo Co Ltd | Hydraulic pump with built-in electric motor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54116711A (en) * | 1978-03-02 | 1979-09-11 | Shibaura Eng Works Ltd | Well pump |
| JPH01240778A (en) * | 1988-03-22 | 1989-09-26 | Kaisei Kogyo Kk | In-oil pump unit |
-
1990
- 1990-03-30 JP JP3510290U patent/JPH03127084U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54116711A (en) * | 1978-03-02 | 1979-09-11 | Shibaura Eng Works Ltd | Well pump |
| JPH01240778A (en) * | 1988-03-22 | 1989-09-26 | Kaisei Kogyo Kk | In-oil pump unit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000303949A (en) * | 1999-04-22 | 2000-10-31 | Yuken Kogyo Co Ltd | Hydraulic pump with built-in electric motor |
| JP4493061B2 (en) * | 1999-04-22 | 2010-06-30 | 油研工業株式会社 | Hydraulic pump with built-in electric motor |