JPH0371184U - - Google Patents
Info
- Publication number
- JPH0371184U JPH0371184U JP7070490U JP7070490U JPH0371184U JP H0371184 U JPH0371184 U JP H0371184U JP 7070490 U JP7070490 U JP 7070490U JP 7070490 U JP7070490 U JP 7070490U JP H0371184 U JPH0371184 U JP H0371184U
- Authority
- JP
- Japan
- Prior art keywords
- pump
- tandem
- pressure
- housing
- pressure switch
- 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
- 238000005192 partition Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims 1
Landscapes
- Rotary Pumps (AREA)
Description
第１図は本考案に斯かるタンデムポンプの一実
施例の断面図、第２図は第１図−線に沿う断
面図、第３図は本考案に斯かるタンデムポンプに
おいてサブ側の高圧室の圧力を感知させる場合の
実施例を示す断面図、第４図は本考案の別の実施
例を示す断面図で、第４図ａは正面図、第４図ｂ
は平面図、第４図ｃは側面図、第５図は本考案の
更に別の実施例を示す一部断面図、第６図は圧力
スイツチの別の実施例を示す断面図、第７図は従
来のタンデムポンプの平面図、第８図は同正面図
、第９図は同縦断面図である。
３……センターボデイ、５……ハウジング、６
，７……ポンプユニツト、８……回転軸、１４…
…仕切壁、２２，１２２……圧力スイツチ、２５
……高圧導入通路、２６……高圧導入口。
Fig. 1 is a cross-sectional view of an embodiment of the tandem pump according to the present invention, Fig. 2 is a cross-sectional view taken along the line shown in Fig. 1, and Fig. 3 is a high-pressure chamber on the sub side in the tandem pump according to the present invention. FIG. 4 is a sectional view showing another embodiment of the present invention, FIG. 4 a is a front view, and FIG. 4 b
is a plan view, FIG. 4c is a side view, FIG. 5 is a partial sectional view showing yet another embodiment of the present invention, FIG. 6 is a sectional view showing another embodiment of the pressure switch, and FIG. 8 is a plan view of a conventional tandem pump, FIG. 8 is a front view thereof, and FIG. 9 is a longitudinal sectional view thereof. 3...Center body, 5...Housing, 6
, 7... Pump unit, 8... Rotating shaft, 14...
...Partition wall, 22,122...Pressure switch, 25
...High pressure introduction passage, 26...High pressure introduction port.
Claims (1)
たメイン側、サブ側のポンプユニツトをハウジン
グに収容し、ハウジングのセンターボデイの仕切
壁を挟んでメイン側のポンプユニツト側にメイン
側の高圧室を、サブ側のポンプユニツト側にサブ
側の高圧室をそれぞれ設けたタンデムポンプにお
いて、センターボデイに圧力スイツチを配設する
とともに、圧力スイツチの受圧ピンに変動圧を作
用させるための高圧導入通路を前記仕切壁に設け
たことを特徴とするタンデムポンプ。 (2) 一つのポンプユニツトに対して圧力スイツ
チが複数個配設されてなる第１項記載のタンデム
ポンプ。 (3) 一つのポンプユニツトに対して圧力スイツ
チ装着部が複数個配設されてなる第１項記載のタ
ンデムポンプ。[Scope of Claim for Utility Model Registration] (1) The main side and sub side pump units arranged in tandem on the axis so as to share the rotation axis are housed in a housing, and the main side pump units are housed in a housing with a partition wall of the center body of the housing in between. In a tandem pump that has a main high pressure chamber on the pump unit side and a sub side high pressure chamber on the sub pump unit side, a pressure switch is installed in the center body, and a pressure switch is installed on the pressure receiving pin of the pressure switch. A tandem pump characterized in that a high pressure introduction passage for applying pressure is provided in the partition wall. (2) The tandem pump according to item 1, wherein a plurality of pressure switches are provided for one pump unit. (3) The tandem pump according to item 1, wherein a plurality of pressure switch mounting portions are provided for one pump unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7070490U JP2503064Y2 (en) | 1989-07-31 | 1990-07-04 | Tandem pump |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1-89159 | 1989-04-07 | ||
| JP8915989 | 1989-07-31 | ||
| JP7070490U JP2503064Y2 (en) | 1989-07-31 | 1990-07-04 | Tandem pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0371184U true JPH0371184U (en) | 1991-07-18 |
| JP2503064Y2 JP2503064Y2 (en) | 1996-06-26 |
Family
ID=31718412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7070490U Expired - Lifetime JP2503064Y2 (en) | 1989-07-31 | 1990-07-04 | Tandem pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2503064Y2 (en) |
-
1990
- 1990-07-04 JP JP7070490U patent/JP2503064Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2503064Y2 (en) | 1996-06-26 |
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