DRIVING DEVICE FOR DOUBLE PROPELLER FOR BOAT

Title:

DRIVING DEVICE FOR DOUBLE PROPELLER FOR BOAT

Document Type and Number:

Japanese Patent JPS57160794

Kind Code:

A

Abstract:

A boat propeller drive with double, counter-rotating propellers is distinguished by the after propeller having one more blade than the fore propeller as well as a smaller diameter than the fore propeller.

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Inventors:

RENNARUTO BURANTO

Application Number:

JP3451582A

Publication Date:

October 04, 1982

Filing Date:

March 04, 1982

Export Citation:

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Assignee:

VOLVO PENTA AB

International Classes:

B63H5/10; B63H20/00; B63H20/12; B63H20/16; B63H25/42; (IPC1-7): B63H5/10

Domestic Patent References:

JPS4818403A

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Next Patent: WIND FORCE PROPULSION UNIT