Title:
船舶駆動装置用の油圧ステアリングユニットおよびそのようなステアリングユニットを備えた船舶駆動装置
Document Type and Number:
Japanese Patent JP7298062
Kind Code:
B2
Abstract:
A boat drive hydraulic steering unit has a steering cylinder unit, pump and tank. The cylinder unit has a first chamber, piston and second chamber. The pump is connected to the first and second chambers by respective first and second line. The first chamber is connected to the tank via the first line arrangement when the second chamber is pressurized, by the first line arrangement having a first check valve which opens when the second line arrangement is pressurized. The second chamber is connected to the tank via the second line arrangement when the first chamber is pressurized, by the second line arrangement having a second check valve which opens when the first line arrangement is pressurized. The first and second line arrangements have respective first and second throttling devices acting in the direction of flow towards the tank. A boat drive may include the steering unit.
Inventors:
Franz, Paul
Mayer, Florian
Osterried, Jürgen
Stegmüller, Michael
Weiss, Marx
Mayer, Florian
Osterried, Jürgen
Stegmüller, Michael
Weiss, Marx
Application Number:
JP2022064617A
Publication Date:
June 27, 2023
Filing Date:
April 08, 2022
Export Citation:
Assignee:
Harvey Hydrolic SE
International Classes:
B63H25/30; B63H25/42
Domestic Patent References:
| JP2004249793A | ||||
| JP201173526A |
Foreign References:
| US20120214369 |
Attorney, Agent or Firm:
Ikeda Adult
Junichiro Sakamaki
Masakazu Noda
Junichiro Sakamaki
Masakazu Noda