JPH0319797U - - Google Patents
Info
- Publication number
- JPH0319797U JPH0319797U JP8109389U JP8109389U JPH0319797U JP H0319797 U JPH0319797 U JP H0319797U JP 8109389 U JP8109389 U JP 8109389U JP 8109389 U JP8109389 U JP 8109389U JP H0319797 U JPH0319797 U JP H0319797U
- Authority
- JP
- Japan
- Prior art keywords
- jet
- jet pump
- water flow
- pump cover
- notch
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 4
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本考案の一実施例によるジエツトポン
プカバーを備えた小型滑走艇のジエツトポンプユ
ニツトを示す縦断面図、第２図は第１図中のジエ
ツトポンプカバーの斜視図、第３図は本考案によ
るジエツトポンプカバーを備えたジエツトポンプ
の他の構造例を示す模式的縦断面図、第４図は第
１図のジエツトポンプユニツトを備えた小型滑走
艇の縦断面図、第５図は第４図の斜視図、第６図
は第４図の平面図である。
１……船体、１０……エンジン、１２……ジエ
ツトポンプ（推進機）、１４……噴射ノズル、１
８……リバースバケツト、４１……凹部、４２…
…ジエツトポンプカバー、４７……切欠き、４８
……リブ。
FIG. 1 is a longitudinal cross-sectional view showing a jet pump unit for a small watercraft equipped with a jet pump cover according to an embodiment of the present invention, FIG. 2 is a perspective view of the jet pump cover in FIG. 1, and FIG. 3 is a schematic vertical sectional view showing another structural example of a jet pump equipped with a jet pump cover according to the present invention; FIG. 4 is a vertical sectional view of a small watercraft equipped with the jet pump unit of FIG. 1; 5 is a perspective view of FIG. 4, and FIG. 6 is a plan view of FIG. 4. 1... Hull, 10... Engine, 12... Jet pump (propulsion machine), 14... Injection nozzle, 1
8... Reverse bucket, 41... Recess, 42...
...Jet pump cover, 47...Notch, 48
……rib.
Claims (1)
装着し、前記凹部の下側を船底と略同じ面を形成
するジエツトポンプカバーで覆い、さらに、前記
ジエツトポンプの後部にジエツト水流の方向を変
えて後進推力を発生させ得るリバースバケツトを
設けた小型滑走艇において、前記ポンプカバーの
後部に後進時のジエツト水流を通過させる切欠き
を形成するとともに、該切欠きに沿つて後進時の
ジエツト水流を案内する方向に立てられたリブを
形成することを特徴とする小型滑走艇のジエツト
ポンプカバー。 A jet pump is installed in a recess formed at the rear of the ship's bottom, the lower side of the recess is covered with a jet pump cover that forms approximately the same surface as the ship's bottom, and the direction of the jet water flow is changed to the rear of the jet pump to provide reverse thrust. In a small personal watercraft equipped with a reverse bucket that can generate water, a notch is formed at the rear of the pump cover to allow the jet water flow to pass when going astern, and the jet water flow is guided along the notch when going astern. A jet pump cover for a small personal watercraft characterized by forming ribs erected in the direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8109389U JPH0621838Y2 (en) | 1989-07-10 | 1989-07-10 | Jet pump cover for small planing boats |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8109389U JPH0621838Y2 (en) | 1989-07-10 | 1989-07-10 | Jet pump cover for small planing boats |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0319797U true JPH0319797U (en) | 1991-02-26 |
| JPH0621838Y2 JPH0621838Y2 (en) | 1994-06-08 |
Family
ID=31626727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8109389U Expired - Fee Related JPH0621838Y2 (en) | 1989-07-10 | 1989-07-10 | Jet pump cover for small planing boats |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0621838Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4891461B1 (en) * | 2011-10-20 | 2012-03-07 | 恵美子 塚本 | Disposable pillowcase |
-
1989
- 1989-07-10 JP JP8109389U patent/JPH0621838Y2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4891461B1 (en) * | 2011-10-20 | 2012-03-07 | 恵美子 塚本 | Disposable pillowcase |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0621838Y2 (en) | 1994-06-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |