JPH02144613U - - Google Patents

Info

Publication number
JPH02144613U
JPH02144613U JP5338289U JP5338289U JPH02144613U JP H02144613 U JPH02144613 U JP H02144613U JP 5338289 U JP5338289 U JP 5338289U JP 5338289 U JP5338289 U JP 5338289U JP H02144613 U JPH02144613 U JP H02144613U
Authority
JP
Japan
Prior art keywords
water
engine
muffler
solenoid valve
flow control
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
Application number
JP5338289U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP5338289U priority Critical patent/JPH02144613U/ja
Publication of JPH02144613U publication Critical patent/JPH02144613U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案の一実施例を示す構成図、第
２図はこの考案の適用対象であるジエツト推進艇
の一例を示す一部断面表示した側面図である。 １…艇体、４…ジエツト推進機、５…ノズル、
６…エンジン、８…ジエツトポンプ部、１３…マ
フラ、１８…水量制御電磁弁。 FIG. 1 is a block diagram showing an embodiment of this invention, and FIG. 2 is a partially sectional side view showing an example of a jet propulsion boat to which this invention is applied. 1... Hull, 4... Jet propulsion device, 5... Nozzle,
6...Engine, 8...Jet pump section, 13...Muffler, 18...Water flow control solenoid valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] エンジン回転によりジエツトポンプ部のインペ
ラを回転駆動し、ノズルから高圧水として噴射す
ることにより艇体を推進させるジエツト推進艇に
おいて、ジエツトポンプ部からエンジンおよびマ
フラへ通ずる冷却水配管系を有し、マフラへの冷
却水配管系中に水量制御電磁弁を設け、この水量
制御電磁弁をエンジンの回転数に応じて開度が調
節されるよう形成してなり、エンジンの低回転域
では水量を減少し、高回転域では水量を増大する
ようにしたことを特徴とするジエツト推進艇のマ
フラ冷却装置。 A jet propulsion boat that propels the boat by rotating the impeller in the jet pump section by the engine rotation and injecting high-pressure water from the nozzle has a cooling water piping system that leads from the jet pump section to the engine and muffler. A water flow control solenoid valve is installed in the cooling water piping system, and the water flow control solenoid valve is configured so that its opening degree is adjusted according to the engine speed. A muffler cooling device for a jet propulsion boat, characterized by increasing the amount of water in the rotation range.
JP5338289U 1989-05-11 1989-05-11 Pending JPH02144613U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5338289U JPH02144613U (en) 1989-05-11 1989-05-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5338289U JPH02144613U (en) 1989-05-11 1989-05-11

Publications (1)

Publication Number Publication Date
JPH02144613U true JPH02144613U (en) 1990-12-07

Family

ID=31574514

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5338289U Pending JPH02144613U (en) 1989-05-11 1989-05-11

Country Status (1)

Country Link
JP (1) JPH02144613U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0542633U (en) * 1991-11-13 1993-06-11 川崎重工業株式会社 Engine cooling system for small planing boats
JP2002220092A (en) * 2001-01-23 2002-08-06 Kawasaki Heavy Ind Ltd Small planing boat

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0542633U (en) * 1991-11-13 1993-06-11 川崎重工業株式会社 Engine cooling system for small planing boats
JP2002220092A (en) * 2001-01-23 2002-08-06 Kawasaki Heavy Ind Ltd Small planing boat
JP4570793B2 (en) * 2001-01-23 2010-10-27 川崎重工業株式会社 Small planing boat

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