WO2016002038A1 - 航空機用給水ユニットのフォーセット - Google Patents
航空機用給水ユニットのフォーセット Download PDFInfo
- Publication number
- WO2016002038A1 WO2016002038A1 PCT/JP2014/067759 JP2014067759W WO2016002038A1 WO 2016002038 A1 WO2016002038 A1 WO 2016002038A1 JP 2014067759 W JP2014067759 W JP 2014067759W WO 2016002038 A1 WO2016002038 A1 WO 2016002038A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- aircraft
- faucet
- adapter
- water supply
- water
- 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.)
- Ceased
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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
- B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
- B64D11/02—Toilet fittings
-
- 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
- B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
- B64D11/04—Galleys
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
- E03B11/02—Arrangements or adaptations of tanks for water supply for domestic or like local water supply
- E03B11/06—Arrangements or adaptations of tanks for water supply for domestic or like local water supply with air regulators
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/04—Water-basin installations specially adapted to wash-basins or baths
- E03C1/0401—Fixing a tap to the sanitary appliance or to an associated mounting surface, e.g. a countertop
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/08—Jet regulators or jet guides, e.g. anti-splash devices
- E03C1/084—Jet regulators with aerating means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
Definitions
- the present invention relates to a faucet (faucet) used for a water supply unit applied to a lavatory (dressing room), a galley (cooking room) or the like mounted on a passenger aircraft.
- a water supply unit 100 applied to an aircraft lavatory or the like mounted on a passenger aircraft includes a water supply line 102 connected to the water supply tap 101, and a water supply tap branched from the water supply line 102.
- positioned in the middle of the hot water supply line 103, and the faucet 105 attached to the water tap 101 are provided.
- passenger aircraft are provided with a plurality of facilities using water such as lavatories and galleys.
- Passenger aircraft do not replenish until they arrive at their destination airport after refueling or water supply at the airport, so they efficiently consume water stored in tanks of limited capacity. It is demanded.
- the foam can be stabilized even at a flow rate of 5 L / min by appropriately selecting a combination of the shapes of the two-stage orifice members incorporated in the casing. It is described that a high water-saving effect can be obtained while forming.
- the water supply unit for aircraft since the space of the pump for supplying water is limited, it is difficult to use a large pump having a high discharge capacity, and as a result, the water supply unit is supplied to water for general household use. Water is supplied in a range smaller than the flow rate (for example, 1 L / min). Therefore, for example, even if the water-saving piece described in Patent Document 1 is simply attached to the faucet of an aircraft water supply system, sufficient water supply cannot be obtained. There was a problem that the water saving effect was not compatible.
- an object of the present invention is to provide a force set that discharges water at a required water pressure and obtains a water-saving effect even when the flow rate is in a small range as supplied in an aircraft.
- the faucet of the aircraft water supply system of the present invention comprises a main body part in which a water channel is formed, and an adapter detachably attached to the discharge part of the main body part,
- the adapter has a structure that houses a mounting member inside a casing, and the mounting member communicates with an orifice, a negative pressure forming chamber through which water that has passed through the orifice flows, and the negative pressure forming chamber.
- the adapter further includes a dispersion member that mixes the water that has passed through the negative pressure forming chamber after being branched into the inside of the casing and downstream of the negative pressure forming chamber.
- the adapter further includes a base member having a plurality of holes on the opposite side of the casing from the side attached to the main body.
- the adapter may further include a strainer on the side of the casing that is attached to the main body.
- faucet for an aircraft water supply system can be applied to an aircraft lavatory unit or an aircraft galley unit.
- water having a required water pressure can be discharged and a water-saving effect can be obtained even at a flow rate in a small range as supplied in the aircraft.
- the total amount of water (tank volume) installed in the aircraft can be reduced, so that the weight of the aircraft during the operation of the passenger aircraft can be reduced and fuel efficiency can be improved.
- the number of seats can be increased and cargo can be increased.
- FIG. 1 It is a figure which shows the structure of the faucet of the aircraft water supply system which concerns on this invention. It is a figure which shows the internal structure of the adapter 12 shown by FIG. It is a graph which shows the effect of water saving by using the faucet 10 of this invention. It is a front view which shows the specific example which applied the force set 10 of this invention to the aircraft lavatory unit. It is the schematic which shows an example of the water supply unit applied to the aircraft lavatory etc. which are mounted in a passenger aircraft.
- FIG. 1 is a diagram showing a configuration of a faucet of an aircraft water supply system according to the present invention.
- the forceset 10 includes a main body portion 11 and an adapter 12 attached to the discharge portion of the main body portion 11.
- the main body 11 is attached to a lavatory wash basin or a galley sink provided in the aircraft, and a water channel is formed therein and connected to a water faucet.
- FIG. 2 is a diagram showing an internal structure of the adapter 12 shown in FIG.
- the adapter 12 has a structure in which an attachment member 20 for attachment to the force set 10 and an adapter main body 22 are screwed together to form a casing, and an orifice 21 is formed at the center of the attachment member 20.
- the upstream portion of the orifice 21 of the mounting member 20 has a shape that gradually decreases in diameter from the open state. By setting it as such a shape, the process of the attachment member 20 becomes easy.
- the upstream portion of the orifice 21 is not limited to a shape that gradually decreases in diameter, and other shapes such as a step shape may be adopted as long as it functions as an orifice.
- the attachment member 20 is formed with a negative pressure forming chamber 20a that communicates with the orifice 21 and a vent hole 20b that communicates from the negative pressure formation chamber 20a to the outside of the attachment member 20.
- the opening diameter of the negative pressure forming chamber 20 a is formed larger than the opening diameter of the orifice 21.
- a gap that is partially cut out is formed in the screwed portion between the mounting member 20 and the adapter main body 22, and the negative pressure forming chamber 20 a It has a structure for taking in outside air through the vent hole 20b.
- the adapter body 22 has a cap member 23 formed with a plurality of holes for discharging air-mixed water, and a dispersion member 24 that joins the water that has passed through the negative pressure forming chamber 20a after branching into a plurality of water streams. And is housed.
- the dispersion member 24 has a substantially conical projection 24a at the center of one surface, and a plurality of dispersion holes are formed around the projection 24a.
- the gap between the attachment member 20 and the adapter main body 22 and between the adapter main body 22 and the cap member 23 and the dispersion member 24 accommodated in the adapter main body 22 are respectively arranged via seal packing. It is also possible to dispose a strainer on the upstream side of the orifice 21 formed in the mounting member 20. With such a configuration, it is possible to prevent water from leaking from the adapter 12 and to prevent foreign substances from entering the adapter 12.
- the adapter 12 having such a structure, water flowing in from the main body 11 of the force set 10 passes through the orifice 21 and enters the negative pressure forming chamber 20a, and flows in from the communication hole 20b in the negative pressure forming chamber 20a. Mixed with air. At this time, since the negative pressure forming chamber 20a has a negative pressure, water does not flow out to the outside through the communication hole 20b.
- the air-mixed water flow that has passed through the negative pressure forming chamber 20a passes through the dispersion holes of the dispersion member 24 and is branched into a plurality of water flows, and then merges. It passes through the member 23 and is discharged from the adapter 12 as a plurality of shower flows.
- the adapter 12 illustrated above can be detachable by being screwed into an existing faucet without requiring a tool by devising the shape of the mounting member 20.
- FIG. 3 is a graph showing the effect of water saving by using the forceset 10 of the present invention.
- the horizontal axis is the water pressure (MPa) and the vertical axis is the flow rate (L / min)
- a square mark When the forceset of the present invention indicated by ⁇ ) is used, for example, a flow rate of about 0.69 L / min is sufficient for a water pressure of 0.15 MPa, and about 0.87 L / min for a water pressure of 0.25 MPa, for example. Since a flow rate of min is sufficient, a water saving effect of 8 to 32% can be obtained in such a water pressure range.
- FIG. 4 is a front view showing a specific example in which the forceset 10 of the present invention is applied to an aircraft lavatory unit.
- the aircraft lavatory unit 30 includes a toilet unit 31, a wash basin unit 32, and a mirror 33 in a lavatory space surrounded by a plurality of panels.
- the faucet 10 of the present invention is provided on the upper surface of the wash basin unit 32, and an amenity storage portion for storing amenity such as various consumables is formed inside the wash basin unit 32.
- the force set 10 of the present invention has a structure in which the adapter 12 is simply attached to the discharge portion of the main body 11 as shown in FIG. 1, the discharge portion of the existing force set can be easily replaced or attached to that of the adapter 12. It can be performed. Moreover, in general aircraft, since a plurality of lavatory units are provided, if a large water saving effect can be obtained in each unit, the total amount of water (tank volume) installed in the aircraft can be reduced. It is possible to reduce the weight of the aircraft during the operation of the passenger aircraft, contribute to the improvement of fuel efficiency, increase the number of seats and increase the cargo.
- FIG. 4 an example in which the water supply system provided with the faucet 10 of the present invention is applied to an aircraft lavatory unit has been shown. It can also be applied to a water supply system for a sink.
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Structural Engineering (AREA)
- Domestic Plumbing Installations (AREA)
Abstract
Description
しかしながら、旅客航空機は、空港において給油や給水を行った後は、目的地の空港に到着するまでに補給を行うことがないため、限られた容量のタンクに貯められた水を効率良く消費することが求められている。
しかしながら、航空機用の給水ユニットでは、水を供給するためのポンプのスペースが限られるため、吐出能力の高い大型のポンプを用いることが困難であり、結果として一般家庭用の水道等に供給されている流量より小さい範囲(例えば1L/min)で水が供給されている。
そのため、例えば特許文献1に記載された節水コマを航空機用の給水システムのフォーセットに単に取り付けたとしても、十分な水の供給が得られないため、フォーセットから吐出する水の使い勝手の良さと節水効果とが両立しないという問題点があった。
また、前記アダプタは、前記ケーシングにおいて前記本体部に取り付けられる側の反対側に、複数の孔を有する口金部材をさらに備える。
さらに、前記アダプタは、前記ケーシングにおいて前記本体部に取り付けられる側に、ストレーナをさらに備えても良い。
また、上記節水効果を得られることから、航空機内に搭載する水の総量(タンク容積)を減少させることができるため、旅客航空機の運航時の機体重量を削減できるとともに、燃費向上に寄与し、また客席数の増加や積荷の増加を図ることができるという効果を奏する。
フォーセット10は、本体部11と、該本体部11の吐出部に取り付けられたアダプタ12とからなる。
本体部11は、航空機内に設けられたラバトリーの洗面台やギャレーの流し台等に取り付けられており、その内部に水路が形成され、給水栓に接続されている。
アダプタ12は、フォーセット10に取り付けるための取付部材20とアダプタ本体部22とを螺合してケーシングを形成する構造となっており、該取付部材20の中央部にオリフィス21が形成されている。
ここで、図2に示すように、取付部材20のオリフィス21の上流側の部分は、開口状態から徐々に縮径する形状とされている。このような形状とすることにより、取付部材20の加工が容易となる。
なお、オリフィス21の上流側の部分は、徐々に縮径する形状に限られるものではなく、オリフィスとしての機能を果たすものであれば、段差形状等の他の形状を採用してもよい。
ここで、図2に示すように、負圧形成室20aの開口径はオリフィス21の開口径よりも大きく形成されている。
また、取付部材20とアダプタ本体部22との螺合部には、部分的に切り欠いた隙間が形成されており、この隙間が通気孔20bと接続されることにより、負圧形成室20aは通気孔20bを介して外気を取り込む構造となっている。
分散部材24は、一方の面の中央部に略円錐状の突起部24aを有し、該突起部24aの周囲に複数の分散孔が形成された構造となっている。
このような分散部材24の構造により、取付部材20の負圧形成室20aを通過した水が突起部24aにより中央部から外周方向に分散されるとともに、上記分散孔を通過することにより複数の水流に分岐され、その後複数の分岐流が合流される。
また、取付部材20に形成されるオリフィス21の上流側にストレーナを配置することも可能である。
このような構成により、アダプタ12からの水漏れを防止するとともに、アダプタ12に水中の異物が侵入するのを防止できる。
負圧形成室20aを通過した空気混合水流は、分散部材24の分散孔を通過して複数の水流に分岐された後で合流することにより、空気混合水流がより攪拌混合され、最終的に口金部材23を通過して複数のシャワー流となってアダプタ12から吐出する。
ここで、口金部材23に形成する吐出孔の径や配置を最適化することにより、少ない流量であっても空気混合水流に対する水の使用感(フォーセットからの吐出の程度)を変えることなく節水効果を得られる。
また、上記例示したアダプタ12は、取付部材20の形状を工夫することにより、工具を必要とすることなく既存のフォーセットに螺合して着脱自在とすることができる。
図3に示すように、横軸を水圧(MPa)、縦軸を流量(L/min)とした場合に、丸印(●)で表される従来型のフォーセットに対して、四角印(◆)で示す本発明のフォーセットを用いた場合は、例えば0.15MPaの水圧の場合に約0.69L/minの流量で済み、また例えば0.25MPaの水圧の場合に約0.87L/minの流量で済むため、このような水圧の範囲で8~32%の節水効果を得ることができた。
図4に示すとおり、航空機用ラバトリーユニット30は、複数のパネルで囲繞されたラバトリー空間内に、トイレットユニット31と、洗面台ユニット32と、ミラー33と、が配設されている。
また、通常航空機においては、ラバトリーユニットを複数設けることから、それぞれのユニットにおいて大きな節水効果を得ることができれば、航空機内に搭載する水の総量(タンク容積)を減少させることができるため、結果として、旅客航空機の運航時の機体重量を削減できるとともに、燃費向上に寄与し、また客席数の増加や積荷の増加を図ることができる。
11 本体部
12 アダプタ
20 取付部材
20a 負圧形成室
20b 通気孔
21 オリフィス
22 アダプタ本体部
23 口金部材
24 分散部材
30 ラバトリーユニット
Claims (6)
- 内部に水路が形成された本体部と、前記本体部の吐出部に着脱自在に取り付けられたアダプタと、からなる航空機の給水システム用フォーセットであって、
前記アダプタは、ケーシングの内部に取付部材を収容する構造を有し、
前記取付部材は、オリフィスと、前記オリフィスを通過した水が流通する負圧形成室と、前記負圧形成室に連通し前記アダプタ外部からの空気を混合させる通気孔と、を備える
ことを特徴とする航空機の給水システム用フォーセット。 - 前記アダプタは、前記ケーシングの内部であって前記負圧形成室の下流側に、前記負圧形成室を通過した水をいったん分岐した後に混合する分散部材をさらに備える
ことを特徴とする請求項1に記載の航空機の給水システム用フォーセット。 - 前記アダプタは、前記ケーシングにおいて前記本体部に取り付けられる側の反対側に、複数の孔を有する口金部材をさらに備える
ことを特徴とする請求項1又は2に記載の航空機の給水システム用フォーセット。 - 前記アダプタは、前記ケーシングにおいて前記本体部に取り付けられる側に、ストレーナをさらに備える
ことを特徴とする請求項1~3のいずれか1項に記載の航空機の給水システム用フォーセット。 - 請求項1~4のいずれか1項に記載の航空機の給水システム用フォーセットを備える
ことを特徴とする航空機用ラバトリーユニット。 - 請求項1~4のいずれか1項に記載の航空機の給水システム用フォーセットを備える
ことを特徴とする航空機用ギャレーユニット。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP14896445.5A EP3165458B1 (en) | 2014-07-03 | 2014-07-03 | Faucet for water supply unit for aircraft |
| JP2015506024A JP5839761B1 (ja) | 2014-07-03 | 2014-07-03 | 航空機用給水ユニットのフォーセット |
| US15/319,567 US20170320575A1 (en) | 2014-07-03 | 2014-07-03 | Faucet for water supply system for aircraft |
| PCT/JP2014/067759 WO2016002038A1 (ja) | 2014-07-03 | 2014-07-03 | 航空機用給水ユニットのフォーセット |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2014/067759 WO2016002038A1 (ja) | 2014-07-03 | 2014-07-03 | 航空機用給水ユニットのフォーセット |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2016002038A1 true WO2016002038A1 (ja) | 2016-01-07 |
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ID=55018637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2014/067759 Ceased WO2016002038A1 (ja) | 2014-07-03 | 2014-07-03 | 航空機用給水ユニットのフォーセット |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20170320575A1 (ja) |
| EP (1) | EP3165458B1 (ja) |
| JP (1) | JP5839761B1 (ja) |
| WO (1) | WO2016002038A1 (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10829918B2 (en) | 2019-01-31 | 2020-11-10 | B/E Aerospace, Inc. | Aircraft lavatory touchless manifold system |
| EP4080297B1 (de) * | 2021-04-23 | 2024-11-20 | Airbus Operations GmbH | Wasserversorgungssystem für ein flugzeug |
| EP4345004A1 (en) * | 2022-09-28 | 2024-04-03 | B/E Aerospace, Inc. | Three stage purification faucet (filtered faucet) |
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| US20130269796A1 (en) * | 2012-04-13 | 2013-10-17 | B/E Aerospace, Inc. | Compact aircraft galley plumbing system |
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2014
- 2014-07-03 WO PCT/JP2014/067759 patent/WO2016002038A1/ja not_active Ceased
- 2014-07-03 US US15/319,567 patent/US20170320575A1/en not_active Abandoned
- 2014-07-03 EP EP14896445.5A patent/EP3165458B1/en not_active Not-in-force
- 2014-07-03 JP JP2015506024A patent/JP5839761B1/ja active Active
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| JPH03275821A (ja) * | 1990-03-26 | 1991-12-06 | Jamco Corp | フオーセツト |
| JPH0465858U (ja) * | 1990-10-11 | 1992-06-09 | ||
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| CN102535587A (zh) * | 2012-02-29 | 2012-07-04 | 吴添林 | 一种起泡器 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3165458A1 (en) | 2017-05-10 |
| JPWO2016002038A1 (ja) | 2017-04-27 |
| EP3165458A4 (en) | 2017-10-11 |
| JP5839761B1 (ja) | 2016-01-06 |
| EP3165458B1 (en) | 2019-03-20 |
| US20170320575A1 (en) | 2017-11-09 |
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