Title:
REVERSE BUCKET FOR JET PROPELLER, JET PROPELLER, AND VESSEL
Document Type and Number:
Japanese Patent JP2023160493
Kind Code:
A
Abstract:
To improve backing performance of a vessel.SOLUTION: A reverse bucket 40 includes: a vertical ridgeline 41 that faces an ejection opening 31 of a deflector 30 in a backing posture; first and second entrance ranges 51L, 51R that are separated to the right and left by the ridgeline 41, face the ejection opening 31 in the backing posture, and receive ejection water; first and second exit ranges 53L, 53R for discharging received water to outside; and first and second guide ranges 52L, 52R for conducting received water to respective exit ranges 53L, 53R. The ranges 51L, 52L, 53L are formed by a first indention 50L having a continuous first opening 42L and the ranges 51R, 52R, 53R are formed by a second indention 50R having a continuous second opening 42R.SELECTED DRAWING: Figure 6
Inventors:
MURAYAMA TAKUYA
SATO EIKICHI
TAMAKI TAKASHI
SUGANO ISAO
KAWAUCHI KIYOE
SATO EIKICHI
TAMAKI TAKASHI
SUGANO ISAO
KAWAUCHI KIYOE
Application Number:
JP2022070898A
Publication Date:
November 02, 2023
Filing Date:
April 22, 2022
Export Citation:
Assignee:
YAMAHA MOTOR CO LTD
International Classes:
B63B32/10; B63H11/11; B63H25/46
Attorney, Agent or Firm:
Betsuyaku Shigehisa
Satoshi Muramatsu
Satoshi Muramatsu