JP4285690B2 - 船外機における推進ユニットの揺動装置 - Google Patents
船外機における推進ユニットの揺動装置 Download PDFInfo
- Publication number
- JP4285690B2 JP4285690B2 JP2003362544A JP2003362544A JP4285690B2 JP 4285690 B2 JP4285690 B2 JP 4285690B2 JP 2003362544 A JP2003362544 A JP 2003362544A JP 2003362544 A JP2003362544 A JP 2003362544A JP 4285690 B2 JP4285690 B2 JP 4285690B2
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- hole
- piston
- propulsion unit
- oil
- Prior art date
- 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.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H20/00—Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
- B63H20/08—Means enabling movement of the position of the propulsion element, e.g. for trim, tilt or steering; Control of trim or tilt
- B63H20/10—Means enabling trim or tilt, or lifting of the propulsion element when an obstruction is hit; Control of trim or tilt
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Actuator (AREA)
Description
上記ピストン23の上面に上方に向かって開口する有底の凹部44を形成し、
上記チルトシリンダ12の作動用の油13を溜める油溜め部47を設け、この油溜め部47内の油13が上記上部孔31に自然流下式に流入するよう、この上部孔31の上端部に上記油溜め部47の底部を連通させたものである。
上記ピストンの上面に上方に向かって開口する有底の凹部を形成してある。
2 水
3 船体
4 船外機
6 クランプブラケット
8 推進ユニット
9 軸心
12 チルトシリンダ
13 油
21 シリンダ本体
22 大径シリンダ孔
23 大径ピストン
29 ピストンロッド
31 上部孔
32 下部孔
44 凹部
45 シールリップ
47 油溜め部
48 異物
Claims (3)
- 下部側が上下に揺動可能となるよう船体側に枢支される推進ユニットと、軸心が上下方向に延びてその軸方向に伸縮作動可能とされその下端部が上記船体側に枢支され、上端部が上記推進ユニットに枢支されるチルトシリンダとを備え、このチルトシリンダが、上記船体側に枢支されるシリンダ本体と、このシリンダ本体内のシリンダ孔に嵌入されてこのシリンダ孔を上、下部孔に仕切るピストンと、このピストン側から上方に延出しその延出端部が上記推進ユニットに枢支されるピストンロッドとを備えた船外機における推進ユニットの揺動装置において、
上記ピストンの上面に上方に向かって開口する有底の凹部を形成し、
上記チルトシリンダの作動用の油を溜める油溜め部を設け、この油溜め部内の油が上記上部孔に自然流下式に流入するよう、この上部孔の上端部に上記油溜め部の底部を連通させた船外機における推進ユニットの揺動装置。 - 上記凹部を上記軸心周りで複数設けた請求項1に記載の船外機における推進ユニットの揺動装置。
- 上記ピストンの径方向における外縁部の上端部から上方に向かって突出しその突出端部が上記シリンダ孔の内周面に摺動可能に圧接する円環形状のシールリップを設けた請求項1、もしくは2に記載の船外機における推進ユニットの揺動装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003362544A JP4285690B2 (ja) | 2003-10-22 | 2003-10-22 | 船外機における推進ユニットの揺動装置 |
US10/711,339 US7001230B2 (en) | 2003-10-22 | 2004-09-12 | Piston for tilt and trim unit of outboard drive of marine propulsion unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003362544A JP4285690B2 (ja) | 2003-10-22 | 2003-10-22 | 船外機における推進ユニットの揺動装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005125901A JP2005125901A (ja) | 2005-05-19 |
JP4285690B2 true JP4285690B2 (ja) | 2009-06-24 |
Family
ID=34642164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003362544A Expired - Fee Related JP4285690B2 (ja) | 2003-10-22 | 2003-10-22 | 船外機における推進ユニットの揺動装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7001230B2 (ja) |
JP (1) | JP4285690B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2058224A2 (en) | 2005-02-18 | 2009-05-13 | Michael Alan Beachy Head | Marine drive |
US8435088B2 (en) * | 2008-06-04 | 2013-05-07 | Marine Canada Acquisition Inc. | Trim and tilt apparatus |
US11372411B1 (en) | 2019-08-08 | 2022-06-28 | Brunswick Corporation | Marine steering system and method |
JP2022096832A (ja) * | 2020-12-18 | 2022-06-30 | 日立Astemo株式会社 | トリム・チルト装置 |
CN112901606B (zh) * | 2021-01-30 | 2022-10-18 | 青岛浩源益友锻压机械有限公司 | 一种液压机械设备 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3329516B2 (ja) | 1993-06-14 | 2002-09-30 | 株式会社ショーワ | 船舶用推進機のトリム・チルト装置 |
US5980339A (en) * | 1996-11-12 | 1999-11-09 | Ohio Associated Enterprises, Inc. | Hydraulic trim cylinder for marine stern drives and outboard motors |
JP3957113B2 (ja) * | 1998-08-28 | 2007-08-15 | ヤマハモーターパワープロダクツ株式会社 | 船舶用推進機の油圧パワーチルト・トリム装置 |
US6176170B1 (en) * | 1999-03-03 | 2001-01-23 | Brunswick Corporation | Hydraulic actuator with shock absorbing capability |
JP2000272587A (ja) * | 1999-03-19 | 2000-10-03 | Showa Corp | 船舶推進機用チルト装置 |
-
2003
- 2003-10-22 JP JP2003362544A patent/JP4285690B2/ja not_active Expired - Fee Related
-
2004
- 2004-09-12 US US10/711,339 patent/US7001230B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2005125901A (ja) | 2005-05-19 |
US7001230B2 (en) | 2006-02-21 |
US20050170714A1 (en) | 2005-08-04 |
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