JPH0437875U - - Google Patents
Info
- Publication number
- JPH0437875U JPH0437875U JP7927790U JP7927790U JPH0437875U JP H0437875 U JPH0437875 U JP H0437875U JP 7927790 U JP7927790 U JP 7927790U JP 7927790 U JP7927790 U JP 7927790U JP H0437875 U JPH0437875 U JP H0437875U
- Authority
- JP
- Japan
- Prior art keywords
- housing
- eccentric cam
- cylinder
- pistons
- pump shaft
- 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
- 239000000295 fuel oil Substances 0.000 claims 2
- 239000003921 oil Substances 0.000 claims 2
- 239000000446 fuel Substances 0.000 claims 1
Landscapes
- Reciprocating Pumps (AREA)
Description
第１図は本考案によるラジアルポンプの第１実
施例を示す縦断側面図、第２図は同じくその分解
斜視図、第３図は第１図−線に沿う断面図、
第４図はシリンダの部分切欠正面図、第５図はハ
ウジングの部分切欠背面図、第６図はカバーの部
分切欠正面図、第７図は第６図−線に沿う断
面図、第８図は吸入通路部分の拡大断面図、第９
図は第８図−線に沿う断面図、第１０図ａは
リリーフバルブの正面図、第１０図ｂはガスケツ
トの正面図、第１１図は本考案の第２実施例を示
す縦断側面図である。
Ａ……シリンダ、Ｂ……ハウジング、Ｃ……カ
バー、Ｆ……ポンプシヤフト、１，６……内壁、
７……ポート穴、８……連絡通路、９ｂ……偏心
カム部、１１，１２……ラジアル軸受、１３……
環状室、１４，１５……オイルシール、１６……
吸入通路、１７……吸入ポート部材、３０……加
圧室、３３……吸込み側通路孔、３４……吐出側
通路孔、３８……リターンポート。
FIG. 1 is a vertical sectional side view showing a first embodiment of a radial pump according to the present invention, FIG. 2 is an exploded perspective view thereof, and FIG. 3 is a sectional view taken along the line of FIG.
Fig. 4 is a partially cutaway front view of the cylinder, Fig. 5 is a partially cutaway rear view of the housing, Fig. 6 is a partially cutaway front view of the cover, Fig. 7 is a sectional view taken along the line of Fig. 6, and Fig. 8 9 is an enlarged sectional view of the suction passage.
The figures are a sectional view taken along the line of FIG. 8, FIG. 10a is a front view of the relief valve, FIG. 10b is a front view of the gasket, and FIG. 11 is a longitudinal side view showing the second embodiment of the present invention. be. A...Cylinder, B...Housing, C...Cover, F...Pump shaft, 1, 6...Inner wall,
7... Port hole, 8... Communication passage, 9b... Eccentric cam part, 11, 12... Radial bearing, 13...
Annular chamber, 14, 15... Oil seal, 16...
Suction passage, 17... Suction port member, 30... Pressurized chamber, 33... Suction side passage hole, 34... Discharge side passage hole, 38... Return port.
Claims (1)
のピストンを有し、これらピストンがポンプシヤ
フトの偏心カムの回転で往復動される形式のポン
プにおいて、 吸入ポートを有するハウジングと吐出ポートを
有するカバーを、複数本のピストンを配したシリ
ンダの前後にそれぞれ一体に連結するとともに、
偏心カムを有するポンプシヤフトを前記カバーと
ハウジング内の軸受により支承させ、 前記偏心カムの外周とシリンダ内壁間および偏
心カムより後方のポンプシヤフト外周とハウジン
グ内壁間には、低粘性燃料油を溜める環状室を一
連に形成すると共に、該環状室の軸線方向をオイ
ルシールで遮断し、 かつ、ハウジングには、一端が前記環状室に通
じるリターンポートを設ける一方、前記吸入ポー
トに供給された低粘性燃料油を各シリンダ室への
吸入通路に導くための連絡通路を設けたことを特
徴とする低粘性燃料油用ラジアルピストンポンプ
。[Claims for Utility Model Registration] A pump of the type that has a fixed cylinder and a plurality of pistons arranged radially in the fixed cylinder, and these pistons are reciprocated by rotation of an eccentric cam of a pump shaft, which has a suction port. A cover having a housing and a discharge port is integrally connected to the front and rear of a cylinder in which multiple pistons are arranged, and
A pump shaft having an eccentric cam is supported by the cover and a bearing in the housing, and an annular ring for storing low-viscosity fuel oil is provided between the outer circumference of the eccentric cam and the inner wall of the cylinder, and between the outer circumference of the pump shaft rearward of the eccentric cam and the inner wall of the housing. A series of chambers are formed, and the axial direction of the annular chamber is blocked by an oil seal, and the housing is provided with a return port whose one end communicates with the annular chamber, while the low viscosity fuel supplied to the suction port is A radial piston pump for low viscosity fuel oil, characterized in that a communication passage is provided for guiding oil to a suction passage to each cylinder chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990079277U JPH085342Y2 (en) | 1990-07-27 | 1990-07-27 | Radial piston pump for low viscosity fuel oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990079277U JPH085342Y2 (en) | 1990-07-27 | 1990-07-27 | Radial piston pump for low viscosity fuel oil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0437875U true JPH0437875U (en) | 1992-03-31 |
| JPH085342Y2 JPH085342Y2 (en) | 1996-02-14 |
Family
ID=31623292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990079277U Expired - Lifetime JPH085342Y2 (en) | 1990-07-27 | 1990-07-27 | Radial piston pump for low viscosity fuel oil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH085342Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013501867A (en) * | 2010-11-30 | 2013-01-17 | 三菱重工業株式会社 | Hydraulic pump structure of wind power generator or tidal power generator and method of assembling the hydraulic pump |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4938223U (en) * | 1972-07-03 | 1974-04-04 |
-
1990
- 1990-07-27 JP JP1990079277U patent/JPH085342Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4938223U (en) * | 1972-07-03 | 1974-04-04 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013501867A (en) * | 2010-11-30 | 2013-01-17 | 三菱重工業株式会社 | Hydraulic pump structure of wind power generator or tidal power generator and method of assembling the hydraulic pump |
| US8622719B2 (en) | 2010-11-30 | 2014-01-07 | Mitsubishi Heavy Industries, Ltd. | Hydraulic pump structure for wind turbine generator or tidal current generator and method of mounting hydraulic pump |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH085342Y2 (en) | 1996-02-14 |
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