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KR880007893U - 프로펠러 효율 증대 장치 - Google Patents

프로펠러 효율 증대 장치

Info

Publication number
KR880007893U
KR880007893U KR2019860015795U KR860015795U KR880007893U KR 880007893 U KR880007893 U KR 880007893U KR 2019860015795 U KR2019860015795 U KR 2019860015795U KR 860015795 U KR860015795 U KR 860015795U KR 880007893 U KR880007893 U KR 880007893U
Authority
KR
South Korea
Prior art keywords
increasing device
propeller efficiency
efficiency increasing
propeller
increasing
Prior art date
Application number
KR2019860015795U
Other languages
English (en)
Other versions
KR900002223Y1 (ko
Inventor
우종헌
Original Assignee
우종헌
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 by 우종헌 filed Critical 우종헌
Priority to KR2019860015795U priority Critical patent/KR900002223Y1/ko
Publication of KR880007893U publication Critical patent/KR880007893U/ko
Application granted granted Critical
Publication of KR900002223Y1 publication Critical patent/KR900002223Y1/ko

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H1/00Propulsive elements directly acting on water
    • B63H1/02Propulsive elements directly acting on water of rotary type
    • B63H1/12Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14Propellers
    • B63H1/26Blades
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H1/00Propulsive elements directly acting on water
    • B63H1/02Propulsive elements directly acting on water of rotary type
    • B63H1/12Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14Propellers
    • B63H1/28Other means for improving propeller efficiency

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
KR2019860015795U 1986-10-15 1986-10-15 프로펠러 효율 증대 장치 KR900002223Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019860015795U KR900002223Y1 (ko) 1986-10-15 1986-10-15 프로펠러 효율 증대 장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019860015795U KR900002223Y1 (ko) 1986-10-15 1986-10-15 프로펠러 효율 증대 장치

Publications (2)

Publication Number Publication Date
KR880007893U true KR880007893U (ko) 1988-06-28
KR900002223Y1 KR900002223Y1 (ko) 1990-03-15

Family

ID=19256291

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019860015795U KR900002223Y1 (ko) 1986-10-15 1986-10-15 프로펠러 효율 증대 장치

Country Status (1)

Country Link
KR (1) KR900002223Y1 (ko)

Also Published As

Publication number Publication date
KR900002223Y1 (ko) 1990-03-15

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Legal Events

Date Code Title Description
A201 Request for examination
UA0108 Application for utility model registration

Comment text: Application for Utility Model Registration

Patent event code: UA01011R08D

Patent event date: 19861015

UA0201 Request for examination

Patent event date: 19861015

Patent event code: UA02012R01D

Comment text: Request for Examination of Application

UG1501 Laying open of application
E902 Notification of reason for refusal
UE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event code: UE09021S01D

Patent event date: 19890706

E902 Notification of reason for refusal
UE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event code: UE09021S01D

Patent event date: 19891017

UG1604 Publication of application

Patent event code: UG16041S01I

Comment text: Decision on Publication of Application

Patent event date: 19900219

E701 Decision to grant or registration of patent right
UE0701 Decision of registration

Patent event date: 19900611

Comment text: Decision to Grant Registration

Patent event code: UE07011S01D

REGI Registration of establishment
UR0701 Registration of establishment

Patent event date: 19900625

Patent event code: UR07011E01D

Comment text: Registration of Establishment

UR1002 Payment of registration fee

Start annual number: 1

End annual number: 3

Payment date: 19900625

UR1001 Payment of annual fee

Payment date: 19920514

Start annual number: 4

End annual number: 4

FPAY Annual fee payment

Payment date: 19930312

Year of fee payment: 5

UR1001 Payment of annual fee

Payment date: 19930312

Start annual number: 5

End annual number: 5

LAPS Lapse due to unpaid annual fee
UC1903 Unpaid annual fee

Termination date: 19961125

Termination category: Default of registration fee