JPH0432203U - - Google Patents
Info
- Publication number
- JPH0432203U JPH0432203U JP7437690U JP7437690U JPH0432203U JP H0432203 U JPH0432203 U JP H0432203U JP 7437690 U JP7437690 U JP 7437690U JP 7437690 U JP7437690 U JP 7437690U JP H0432203 U JPH0432203 U JP H0432203U
- Authority
- JP
- Japan
- Prior art keywords
- oil
- oil pump
- relief pipe
- pump
- tank
- 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
- 239000003921 oil Substances 0.000 claims 17
- 239000010687 lubricating oil Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Rotary Pumps (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Description
第１図は本考案の一実施例を示す系統図、第２
図は従来例を示す系統図である。
１……回転機械、２……減速歯車、３……主油
ポンプ、４……逆止弁、５……補助油ポンプ、６
……油ポンプ、７……油圧調節弁、８……油圧設
定バネ、９……モータ、１０……油逃し配管、１
１……油圧ピストン弁、１２……バネ、１３……
調節弁、１４……回転検出器、１５……比例演算
器。
Figure 1 is a system diagram showing one embodiment of the present invention;
The figure is a system diagram showing a conventional example. 1... Rotating machine, 2... Reduction gear, 3... Main oil pump, 4... Check valve, 5... Auxiliary oil pump, 6
...Oil pump, 7...Hydraulic pressure control valve, 8...Hydraulic pressure setting spring, 9...Motor, 10...Oil relief piping, 1
1... Hydraulic piston valve, 12... Spring, 13...
Control valve, 14... rotation detector, 15... proportional calculator.
Claims (1)
内の潤滑油を回転機械の回転軸を支持する軸受等
に強制的に圧送する潤滑油システムにおける油ポ
ンプ切換え装置であつて、前記補助油ポンプの吐
出口と前記油タンクとの間に設けられた油逃し配
管と、この油逃し配管の途中に設けられ、前記主
油ポンプから送出される油圧に応じて前記油逃し
配管中を流れる油量を調整する油圧ピストン弁と
、前記回転機械の回転数に比例した出力を演算す
る比例演算器と、この比例演算器の出力に応じて
前記油逃し配管中を流れる油量を調整する調節弁
を具備したことを特徴とする油ポンプ切換え装置
。 An oil pump switching device in a lubricating oil system that uses a main oil pump and an auxiliary oil pump to forcefully feed lubricating oil in an oil tank to a bearing, etc. that supports a rotating shaft of a rotating machine, the auxiliary oil pump An oil relief pipe provided between the discharge port of the oil tank and the oil tank, and an oil amount provided in the middle of this oil relief pipe and flowing through the oil relief pipe according to the oil pressure sent from the main oil pump. a hydraulic piston valve that adjusts the oil pressure, a proportional calculator that calculates an output proportional to the rotational speed of the rotating machine, and a control valve that adjusts the amount of oil flowing through the oil relief pipe according to the output of the proportional calculator. An oil pump switching device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7437690U JPH0432203U (en) | 1990-07-16 | 1990-07-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7437690U JPH0432203U (en) | 1990-07-16 | 1990-07-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0432203U true JPH0432203U (en) | 1992-03-16 |
Family
ID=31614016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7437690U Pending JPH0432203U (en) | 1990-07-16 | 1990-07-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0432203U (en) |
-
1990
- 1990-07-16 JP JP7437690U patent/JPH0432203U/ja active Pending
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