JPS63154397U - - Google Patents

Info

Publication number
JPS63154397U
JPS63154397U JP4837987U JP4837987U JPS63154397U JP S63154397 U JPS63154397 U JP S63154397U JP 4837987 U JP4837987 U JP 4837987U JP 4837987 U JP4837987 U JP 4837987U JP S63154397 U JPS63154397 U JP S63154397U
Authority
JP
Japan
Prior art keywords
propeller
counter
rotating
blades
utility
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
Application number
JP4837987U
Other languages
Japanese (ja)
Other versions
JPH067039Y2 (en
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 JP1987048379U priority Critical patent/JPH067039Y2/en
Priority to EP87107263A priority patent/EP0246609B1/en
Priority to DE8787107263T priority patent/DE3764022D1/en
Priority to ES87107263T priority patent/ES2017079B3/en
Priority to NO872123A priority patent/NO166777C/en
Priority to CA000537801A priority patent/CA1288643C/en
Priority to US07/054,397 priority patent/US4828518A/en
Publication of JPS63154397U publication Critical patent/JPS63154397U/ja
Application granted granted Critical
Publication of JPH067039Y2 publication Critical patent/JPH067039Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

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

第１図は本考案の一実施例としての二重反転プ
ロペラ装置を示す模式的な側面図であり、第２図
は従来の二重反転プロペラ装置を示す模式的な側
面図である。 １……前方プロペラ、２……後方プロペラ、３
……プロペラ外端の流線、４……前方プロペラに
よる旋回流、５……後方プロペラ後流、６……前
方プロペラ回転方向、７……後方プロペラ回転方
向。 FIG. 1 is a schematic side view showing a counter-rotating propeller device as an embodiment of the present invention, and FIG. 2 is a schematic side view showing a conventional counter-rotating propeller device. 1...Front propeller, 2...Back propeller, 3
...Streamline at the outer end of the propeller, 4...Swirling flow due to the front propeller, 5...Waterstream of the rear propeller, 6...Rotation direction of the front propeller, 7...Rotation direction of the rear propeller.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 前方プロペラと後方プロペラとの回転数が異な
る二重反転プロペラにおいて、上記前方プロペラ
が、上記後方プロペラよりも多い翼数を有してい
ることを特徴とする、二重反転プロペラ装置。 A counter-rotating propeller device in which a front propeller and a rear propeller have different rotational speeds, wherein the front propeller has a larger number of blades than the rear propeller.
JP1987048379U 1986-05-23 1987-03-31 Counter-rotating propeller device Expired - Lifetime JPH067039Y2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP1987048379U JPH067039Y2 (en) 1987-03-31 1987-03-31 Counter-rotating propeller device
DE8787107263T DE3764022D1 (en) 1986-05-23 1987-05-19 OPPOSITE SCREWS.
ES87107263T ES2017079B3 (en) 1986-05-23 1987-05-19 INVERTED TURN DOUBLE HELICE APPARATUS.
EP87107263A EP0246609B1 (en) 1986-05-23 1987-05-19 Counter-rotating propellers
NO872123A NO166777C (en) 1986-05-23 1987-05-21 CONTROL ROTATING PROPELLER EQUIPMENT.
CA000537801A CA1288643C (en) 1986-05-23 1987-05-22 Double reverse revolution propeller apparatus
US07/054,397 US4828518A (en) 1986-05-23 1987-05-26 Double reverse revolution propeller apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987048379U JPH067039Y2 (en) 1987-03-31 1987-03-31 Counter-rotating propeller device

Publications (2)

Publication Number Publication Date
JPS63154397U true JPS63154397U (en) 1988-10-11
JPH067039Y2 JPH067039Y2 (en) 1994-02-23

Family

ID=30869853

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987048379U Expired - Lifetime JPH067039Y2 (en) 1986-05-23 1987-03-31 Counter-rotating propeller device

Country Status (1)

Country Link
JP (1) JPH067039Y2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57164890A (en) * 1981-04-02 1982-10-09 Sankiyuu Kk Propelling apparatus for catamaran ship
JPS58211994A (en) * 1982-06-02 1983-12-09 Mitsubishi Heavy Ind Ltd Double inverted propeller ship
JPS6080997A (en) * 1983-10-11 1985-05-08 Mitsubishi Heavy Ind Ltd Double-reverse propeller device for ship
JPS60121191A (en) * 1984-10-16 1985-06-28 Mitsubishi Heavy Ind Ltd Double contrarotating propeller device for ship

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57164890A (en) * 1981-04-02 1982-10-09 Sankiyuu Kk Propelling apparatus for catamaran ship
JPS58211994A (en) * 1982-06-02 1983-12-09 Mitsubishi Heavy Ind Ltd Double inverted propeller ship
JPS6080997A (en) * 1983-10-11 1985-05-08 Mitsubishi Heavy Ind Ltd Double-reverse propeller device for ship
JPS60121191A (en) * 1984-10-16 1985-06-28 Mitsubishi Heavy Ind Ltd Double contrarotating propeller device for ship

Also Published As

Publication number Publication date
JPH067039Y2 (en) 1994-02-23

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