JP7333267B2 - ヘリコプター - Google Patents
ヘリコプター Download PDFInfo
- Publication number
- JP7333267B2 JP7333267B2 JP2019236611A JP2019236611A JP7333267B2 JP 7333267 B2 JP7333267 B2 JP 7333267B2 JP 2019236611 A JP2019236611 A JP 2019236611A JP 2019236611 A JP2019236611 A JP 2019236611A JP 7333267 B2 JP7333267 B2 JP 7333267B2
- Authority
- JP
- Japan
- Prior art keywords
- transmission
- gap
- outside air
- cowl
- housing
- 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.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 claims description 82
- 238000001816 cooling Methods 0.000 claims description 33
- 238000007599 discharging Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 15
- 239000010687 lubricating oil Substances 0.000 description 6
- 238000013021 overheating Methods 0.000 description 6
- 230000001050 lubricating effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D33/00—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
- B64D33/08—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of power plant cooling systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/12—Rotor drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/12—Rotor drives
- B64C27/14—Direct drive between power plant and rotor hub
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D35/00—Transmitting power from power plants to propellers or rotors; Arrangements of transmissions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/56—Systems consisting of a plurality of bearings with rolling friction in which the rolling bodies of one bearing differ in diameter from those of another
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C37/00—Cooling of bearings
- F16C37/007—Cooling of bearings of rolling bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2326/00—Articles relating to transporting
- F16C2326/43—Aeroplanes; Helicopters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/61—Toothed gear systems, e.g. support of pinion shafts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Details Of Gearings (AREA)
Description
G 間隙
1 ヘリコプター
4 トランスミッション冷却構造
5 原動機
6 オイルクーラー
7 オイルクーラー用ファン
8 トランスミッション
9 流通機構
10 変速機構
10a,10b 入力部
11 ハウジング
12 入力軸
16 カウル
16a 導入部
16b 排出部
17 吸気路
Claims (6)
- 原動機と、胴体と、メインローターと、テールローターと、を備えるヘリコプターであって、
前記原動機から入力される回転動力を変速し、前記メインローター及び前記テールローターに出力する変速機構と、前記胴体の内部において、前記変速機構を収容するハウジングと、を有するトランスミッションと、
前記ハウジングに取り付けられて前記ハウジングの外表面の少なくとも一部を覆い、前記外表面との間に間隙を形成する、カウルと、
前記間隙に外気を流通させる流通機構と、を備える、ヘリコプター。 - 前記カウルは、
前記間隙に前記外気を導入する導入部と、
前記間隙を流通した前記外気を排出する排出部と、を有し、
前記流通機構は、
前記排出部に接続された吸気路と、
前記間隙から前記外気を前記吸気路に強制的に流通させるファンと、を有する、請求項1に記載のヘリコプター。 - 前記ファンは、前記ヘリコプターに備えられたオイルクーラー冷却用のファンである、請求項2に記載のヘリコプター。
- 前記変速機構は、前記原動機からの前記回転動力が入力される入力部を有し、
前記間隙において前記導入部から前記排出部へ向かう前記外気の流通経路の途中に、前記入力部が配置されている、請求項2又は3に記載のヘリコプター。 - 前記カウルは、前記入力部の周縁を囲むように配置されている、請求項4に記載のヘリコプター。
- 前記原動機と前記変速機構とは、前記原動機からの前記回転動力を前記変速機構に伝達する入力軸により接続され、
前記トランスミッションは、前記ハウジングに支持されて前記入力軸を軸支する少なくとも1つの軸受を有し、
前記間隙を流通する前記外気により前記軸受を冷却可能に、前記カウルが配置されている、請求項1~5のいずれか1項に記載のヘリコプター。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019236611A JP7333267B2 (ja) | 2019-12-26 | 2019-12-26 | ヘリコプター |
PCT/JP2020/047287 WO2021132038A1 (ja) | 2019-12-26 | 2020-12-17 | ヘリコプターのトランスミッション冷却構造 |
EP20906335.3A EP4082904A4 (en) | 2019-12-26 | 2020-12-17 | HELICOPTER TRANSMISSION COOLING STRUCTURE |
US17/849,241 US20220324581A1 (en) | 2019-12-26 | 2022-06-24 | Transmission cooling assembly of helicopter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019236611A JP7333267B2 (ja) | 2019-12-26 | 2019-12-26 | ヘリコプター |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021104730A JP2021104730A (ja) | 2021-07-26 |
JP7333267B2 true JP7333267B2 (ja) | 2023-08-24 |
Family
ID=76574605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019236611A Active JP7333267B2 (ja) | 2019-12-26 | 2019-12-26 | ヘリコプター |
Country Status (4)
Country | Link |
---|---|
US (1) | US20220324581A1 (ja) |
EP (1) | EP4082904A4 (ja) |
JP (1) | JP7333267B2 (ja) |
WO (1) | WO2021132038A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7421331B2 (ja) * | 2019-12-26 | 2024-01-24 | 川崎重工業株式会社 | ヘリコプターのトランスミッション構造 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004345602A (ja) | 2003-05-26 | 2004-12-09 | Fuji Heavy Ind Ltd | ヘリコプタ |
JP2009298399A (ja) | 2008-06-10 | 2009-12-24 | Agusta Spa | ヘリコプタ |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2683204B1 (fr) * | 1991-10-30 | 1997-04-25 | Aerospatiale | Systeme de sauvegarde d'un ensemble mecanique multiplicateur/reducteur, en particulier du type "boite de transmission" d'helicoptere, en cas de perte d'huile de lubrification. |
EP1739012B1 (en) | 2005-06-30 | 2008-03-26 | Agusta S.p.A. | Helicopter with an auxiliary lubricating circuit |
EP2712805B1 (en) * | 2012-09-28 | 2016-03-02 | AGUSTAWESTLAND S.p.A. | System and method for cooling a hover-capable aircraft transmission |
US8985517B2 (en) * | 2012-10-26 | 2015-03-24 | Textron Innovations Inc. | Passive cooling of transmission using mast mounted heat pipes |
US10344846B2 (en) * | 2016-09-23 | 2019-07-09 | Bell Helicopter Textron Inc. | Fan mounted on gearshaft |
-
2019
- 2019-12-26 JP JP2019236611A patent/JP7333267B2/ja active Active
-
2020
- 2020-12-17 WO PCT/JP2020/047287 patent/WO2021132038A1/ja unknown
- 2020-12-17 EP EP20906335.3A patent/EP4082904A4/en active Pending
-
2022
- 2022-06-24 US US17/849,241 patent/US20220324581A1/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004345602A (ja) | 2003-05-26 | 2004-12-09 | Fuji Heavy Ind Ltd | ヘリコプタ |
JP2009298399A (ja) | 2008-06-10 | 2009-12-24 | Agusta Spa | ヘリコプタ |
Also Published As
Publication number | Publication date |
---|---|
EP4082904A4 (en) | 2023-12-06 |
EP4082904A1 (en) | 2022-11-02 |
JP2021104730A (ja) | 2021-07-26 |
US20220324581A1 (en) | 2022-10-13 |
WO2021132038A1 (ja) | 2021-07-01 |
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