KR880007893U - Propeller efficiency increasing device - Google Patents

Propeller efficiency increasing device

Info

Publication number: KR880007893U
Authority: KR; South Korea
Prior art keywords: increasing device; propeller efficiency; efficiency increasing; propeller; increasing
Prior art date: 1986-10-15
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

KR2019860015795U

Other languages

Korean (ko)

Other versions

KR900002223Y1 (en

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.)

1986-10-15

Filing date

1986-10-15

Publication date

1988-06-28

1986-10-15 Application filed by 우종헌 filed Critical 우종헌

1986-10-15 Priority to KR2019860015795U priority Critical patent/KR900002223Y1/en

1988-06-28 Publication of KR880007893U publication Critical patent/KR880007893U/en

1990-03-15 Application granted granted Critical

1990-03-15 Publication of KR900002223Y1 publication Critical patent/KR900002223Y1/en

Status Expired legal-status Critical Current

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/02—Propulsive elements directly acting on water of rotary type
- B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
- B63H1/14—Propellers
- B63H1/26—Blades
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/02—Propulsive elements directly acting on water of rotary type
- B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
- B63H1/14—Propellers
- B63H1/28—Other 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 Propeller efficiency increasing device Expired KR900002223Y1 (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
KR2019860015795U KR900002223Y1 (en)	1986-10-15	1986-10-15	Propeller efficiency increasing device

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
KR2019860015795U KR900002223Y1 (en)	1986-10-15	1986-10-15	Propeller efficiency increasing device

Publications (2)

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

Family

ID=19256291

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
KR2019860015795U Expired KR900002223Y1 (en)	1986-10-15	1986-10-15	Propeller efficiency increasing device

Country Status (1)

Country	Link
KR (1)	KR900002223Y1 (en)

1986
- 1986-10-15 KR KR2019860015795U patent/KR900002223Y1/en not_active Expired

Also Published As

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

Publication	Publication Date	Title
DK44887A (en)	1987-08-07	DOUBLE RAZOR DEVICE
ES2019580B3 (en)	1991-07-01	GIVING DEVICE
ATA290587A (en)	1990-01-15	ARRANGEMENT ARRANGEMENT
DK297187A (en)	1987-12-11	RAINBREAKING DEVICE
IT1211455B (en)	1989-10-26	CONNECTION DEVICE
DK588387D0 (en)	1987-11-10	SAIL
DK360387D0 (en)	1987-07-10	IRRADING DEVICE
BR8703368A (en)	1988-03-15	VIBRO-STIMULATOR DEVICE
DE3751776D1 (en)	1996-05-23	DRIVE DEVICE
NO863284D0 (en)	1986-08-14	Pivotable Propeller Device.
IT208171Z2 (en)	1988-04-11	CAMERING DEVICE
ATA84487A (en)	1991-06-15	CONNECTION BOW
KR880007893U (en)	1988-06-28	Propeller efficiency increasing device
FI884657L (en)	1988-10-11	Connection device
BR8705352A (en)	1988-05-24	TACHIMETRIC DEVICE
ATA121086A (en)	1988-01-15	IONTOPHORESE DEVICE
AT385885B (en)	1988-05-25	CARRYING DEVICE
SE8602494D0 (en)	1986-06-02	SAIL DEVICE
KR870012902U (en)	1987-09-05	Peeling
SE8605467D0 (en)	1986-12-18	SAIL SEEN device
KR880003378U (en)	1988-04-13	Power on/off device
KR880004625U (en)	1988-05-10	clew
SE8602846D0 (en)	1986-06-26	CONNECTION DEVICE
IT8604970V0 (en)	1986-08-11	ENERGY
DK226686D0 (en)	1986-05-16	WINDMILL

Legal Events

Date	Code	Title	Description
1986-10-15	A201	Request for examination
1986-10-15	UA0108	Application for utility model registration	Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19861015
1986-10-15	UA0201	Request for examination	Patent event date: 19861015 Patent event code: UA02012R01D Comment text: Request for Examination of Application
1988-06-28	UG1501	Laying open of application
1989-07-06	E902	Notification of reason for refusal
1989-07-06	UE0902	Notice of grounds for rejection	Comment text: Notification of reason for refusal Patent event code: UE09021S01D Patent event date: 19890706
1989-10-17	E902	Notification of reason for refusal
1989-10-17	UE0902	Notice of grounds for rejection	Comment text: Notification of reason for refusal Patent event code: UE09021S01D Patent event date: 19891017
1990-03-15	UG1604	Publication of application	Patent event code: UG16041S01I Comment text: Decision on Publication of Application Patent event date: 19900219
1990-06-11	E701	Decision to grant or registration of patent right
1990-06-11	UE0701	Decision of registration	Patent event date: 19900611 Comment text: Decision to Grant Registration Patent event code: UE07011S01D
1990-06-25	REGI	Registration of establishment
1990-06-25	UR0701	Registration of establishment	Patent event date: 19900625 Patent event code: UR07011E01D Comment text: Registration of Establishment
1990-06-25	UR1002	Payment of registration fee	Start annual number: 1 End annual number: 3 Payment date: 19900625
1992-05-14	UR1001	Payment of annual fee	Payment date: 19920514 Start annual number: 4 End annual number: 4
1993-03-15	FPAY	Annual fee payment	Payment date: 19930312 Year of fee payment: 5
1993-03-15	UR1001	Payment of annual fee	Payment date: 19930312 Start annual number: 5 End annual number: 5
1995-03-16	LAPS	Lapse due to unpaid annual fee
1995-03-16	UC1903	Unpaid annual fee	Termination date: 19961125 Termination category: Default of registration fee