JP4646629B2 - ベーンロータリ型空気ポンプ - Google Patents
ベーンロータリ型空気ポンプ Download PDFInfo
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- JP4646629B2 JP4646629B2 JP2004539529A JP2004539529A JP4646629B2 JP 4646629 B2 JP4646629 B2 JP 4646629B2 JP 2004539529 A JP2004539529 A JP 2004539529A JP 2004539529 A JP2004539529 A JP 2004539529A JP 4646629 B2 JP4646629 B2 JP 4646629B2
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
- G06F1/203—Cooling means for portable computers, e.g. for laptops
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/08—Rotary pistons
- F01C21/0809—Construction of vanes or vane holders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/08—Rotary pistons
- F01C21/0809—Construction of vanes or vane holders
- F01C21/0818—Vane tracking; control therefor
- F01C21/0854—Vane tracking; control therefor by fluid means
- F01C21/0863—Vane tracking; control therefor by fluid means the fluid being the working fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/10—Outer members for co-operation with rotary pistons; Casings
- F01C21/104—Stators; Members defining the outer boundaries of the working chamber
- F01C21/108—Stators; Members defining the outer boundaries of the working chamber with an axial surface, e.g. side plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
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- F04C18/3441—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
- F04C18/3441—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
- F04C18/3442—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the inlet and outlet opening
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
- F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
- F04C29/005—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
- G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1635—Details related to the integration of battery packs and other power supplies such as fuel cells or integrated AC adapter
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2230/00—Manufacture
- F04C2230/90—Improving properties of machine parts
- F04C2230/91—Coating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/60—Shafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2250/00—Geometry
- F04C2250/10—Geometry of the inlet or outlet
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/04—Heavy metals
- F05C2201/0403—Refractory metals, e.g. V, W
- F05C2201/0409—Molybdenum
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/90—Alloys not otherwise provided for
- F05C2201/903—Aluminium alloy, e.g. AlCuMgPb F34,37
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2203/00—Non-metallic inorganic materials
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- F05C2203/0865—Oxide ceramics
- F05C2203/0882—Carbon, e.g. graphite
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
- F05C2225/04—PTFE [PolyTetraFluorEthylene]
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2253/00—Other material characteristics; Treatment of material
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Description
さらに、吸入はフロントプレート11からのみで行われるため、ポンプ機構部を高速回転させると吸入工程の時間が短くなり、吸入効率が低下するという課題を有していた。
また、上記課題を解決するために第3の本発明は、前記モータシャフトを前記ロータに圧入、または焼きばめ、または接着剤で結合されてなるものである。
また、上記課題を解決するために第6の本発明は、前記フロントプレートに形成された吸入ポートから前記ポンプ空間に外気を導く第1の吸入経路と、前記シリンダに貫通孔を設け、この貫通孔に連通して前記リアプレートに吸入ポートを形成し、前記フロントプレートの吸入ポートから前記貫通孔と前記リアプレートの吸入ポートを経て前記ポンプ空間に外気を導く第2の吸入経路を備えてなるものである。
また、第3の本発明によれば、モータシャフトおよびロータにIカットなどのすべり防止加工を施すことなく、伝達効率の低下を抑制してモータシャフトとロータを結合することができる。
また、第6の本発明によれば、フロントプレートだけでなくリアプレートからも吸入可能となり、ポンプ機構部高速回転時の流体の吸入ロスを低減し、吸入量の低下を抑制することができる。
また、第8の本発明によれば、吐出室のほぼ全域において、吐出室の流体をベーンで押し出すことができるため、吐出損失が少なくなり、前記ロータと前記シリンダの径方向最小隙間から吸入室への漏れも抑制できるため、吸入損失も少なくなる。
(実施の形態1)
図1は、本発明の実施の形態1に係わるベーンロータリ型空気ポンプの横断面図である。また、図2は本実施の形態に係わるベーンロータリ型空気ポンプの縦断面図であり、図1は図2におけるA−A断面図である。本実施の形態に係わるベーンロータリ型空気ポンプ本体101は、ポンプ機構部102と直流モータ119より構成される。
また、図3と図4に示すように、フロントプレート111には吸入ポート113と吐出ポート114、および吐出ポート114につながる吐出口115を設けている。ここで、吸入ポート113は略台形状の貫通した孔であるが、吐出ポート114はフロントプレート111の内壁を溝状に窪ませたポートであって、吐出口115と連なっている。
次に直流モータ119について説明する。前記リアプレート112のポンプ機構部102側の面とは反対側の面には直流モータ119を、リアプレート112に直接接触させて配置している。従って、直流モータ119の一方側のケーシングの蓋体をリアプレート112が兼ねている。本実施の形態では、直流モータ119にはブラシレス直流モータを使用している。この直流モータ119は円筒状のコイル120と永久磁石を備えた回転子121より成り、この回転子121は長尺のシャフト110を備えている。このシャフト110は、前記の直流モータとポンプ機構部のロータ107のシャフトを兼ね備えている。即ち、シャフト110は、直流モータ119の内部ではモータ軸受122、123で支承されているが、直流モータ119からポンプ機構側に伸びて、ポンプ機構部102内ではフロントプレート111内の軸受116およびリアプレート112内の軸受118によって支承されている。ポンプ機構内部では、シャフトはロータ107が固定されて、直流モータ119で発生した回転力をロータ107に伝達する役割を果している。
ポンプ空間124に入った空気は、矢印方向に回転するベーン109によって吸入ポート113側から下側に位置する吐出ポート114側に押されて、ロータ107がおよそ1回転する間に圧力が上昇(ΔP=2〜5kPa)した後、フロントプレート111上の吐出ポート114を経て吐出口115より外部へ出て行く。
(実施の形態2)
図5は、発明の実施の形態2に係わるベーンロータリ型空気ポンプを、パーソナルコンピュータに組み込んだ時の斜視図である。図2に示すように、ベーンポンプ型空気ポンプにおいては、ポンプ機構部102の円筒面外周と直流モータ119の外周を略同一直径となして、全体で一つの円筒形を形成している。
(実施の形態3)
図6、図7は、本発明の実施の形態3におけるベーンロータリ型空気ポンプの断面図である。
図8にプレート134の正面図を示す。図8において、このプレート134には、ポンプ機構部102に直流モータ119を締結するためにポンプ機構部の締結孔106aと同じピッチ、同じ直径で開けられた外側のポンプ機構部締結孔106bと、直流モータ119を締結するために、直流モータ119の締結孔(図示せず)と同じピッチ、同じ直径で開けられ、座刳りの施された内側の直流モータ締結孔302とが形成されている。
かかる構成によれば、フロントプレート111の吸入ポート113から吸入された流体はポンプ空間124に流入し、ベーン109の回転移動によって圧縮された後、フロントプレート111の吐出ポート114から吐出口115を経て吐出される。
ロータ107とシリンダ103の径方向最小隙間とは図9では、ロータ107とシリンダ103とが接触したように描かれた右側の隙間を言う。図9ではロータ107とシリンダ103とが接触しているように描かれているが、実際はほんの僅かながら隙間が開いている。例えば、この隙間10μm程度開いていたとすると、ロータ107とシリンダ103との隙間が5倍となる50μの部分に、吐出ポート114の終端が位置するようにフロントプレート111の裏面に吐出ポート114を形成する。吐出ポート114が径方向最小隙間に近づきすぎると、空気の漏れが生じ、遠すぎると空気が完全に抜けなくなる。従って、吐出ポート114はロータ107とシリンダ103の径方向最小隙間の約5倍程度の所に設けるのがよい。
103 シリンダ
105 貫通孔
107 ロータ
108 溝
109 ベーン
110 メカシャフト
111 フロントプレート
112 リアプレート
113 吸入ポート
114 吐出ポート
115 吐出口
117 吸入ポート
119 直流モータ
124 ポンプ空間
125 モータのモータシャフト
134 プレート
203 ヒンジ部
Claims (8)
- 内面が円筒状のシリンダ内に、中心軸を前記シリンダのシリンダ空間の中心軸から所定量だけ偏心させて円柱状のロータを配置し、前記ロータにはその中心軸方向に複数の溝を設け、これらの溝に自己潤滑性を有する材質よりなる板状のベーンを摺動可能な状態で嵌合させ、摺動面に自己潤滑性材質を備えたフロントプレートとリアプレートを前記ロータとベーンを挟み込むように前記シリンダの端面に配置して複数のポンプ空間を作り出し、前記ロータの中心軸にはメカシャフトを備えてポンプ機構部を構成し、このポンプ機構部に隣接して前記リアプレートを介して直流モータを配置し、この直流モータが前記メカシャフトを駆動することにより前記ポンプ空間がベーンの回転移動に伴ってポンプ空間の容積変化が生じるベーンロータリ型空気ポンプであって、
前記ベーンはカーボン複合材料で構成し、前記ロータにはアルミニウム合金あるいはPEEK系樹脂を使用し、前記シリンダにはシリコン含有率約10%のアルミニウム合金を使用し、前記フロントプレートとリアプレートには、PTFEあるいは二硫化モリブデンを含む自己潤滑性材料を表面コーティングし、
前記メカシャフトと前記直流モータのモータシャフトを一体化構成し、
前記ポンプ機構部の外径をφ30mm以下に構成し、前記直流モータにはブラシレス直流モータを使用し、モバイル機器用燃料電池に適用するオイルレスの空気供給機とし、
前記ポンプ機構部の円筒面外周と前記直流モータの外周を略同一直径となして、全体が一つの円筒を形成し、パーソナルコンピュータのヒンジ部に具備してなる
ベーンロータリ型空気ポンプ。 - 一体化構成に代えて、前記メカシャフトと前記直流モータのモータシャフトが前記ロータを介して接合されてなる請求項1に記載のベーンロータリ型空気ポンプ。
- 前記モータシャフトを前記ロータに圧入、または焼きばめ、または接着剤で結合されてなる請求項2に記載のベーンロータリ型空気ポンプ。
- 前記ポンプ機構部の締結孔と同じピッチ、同じ直径で開けられた第1のボルト孔と、前記モータの締結孔と同じピッチ、同じ直径で開けられ、座刳りの施された第2のボルト孔とが形成されたプレートを前記リアプレートと前記モータ間に設け、前記ポンプ機構部と前記モータを、前記プレートを介して締結されてなる請求項1又は請求項2に記載のベーンロータリ型空気ポンプ。
- 前記フロントプレートに吸入ポートと吐出ポートおよび吐出口を備えてなる請求項1又は請求項2に記載のベーンロータリ型空気ポンプ。
- 前記フロントプレートに形成された吸入ポートから前記ポンプ空間に外気を導く第1の吸入経路と、前記シリンダに貫通孔を設け、この貫通孔に連通して前記リアプレートに吸入ポートを形成し、前記フロントプレートの吸入ポートから前記貫通孔と前記リアプレートの吸入ポートを経て前記ポンプ空間に外気を導く第2の吸入経路を備えてなる請求項5に記載のベーンロータリ型空気ポンプ。
- 前記貫通孔の長手方向中央部に、前記貫通孔から前記ポンプ空間へ連通路を設け、前記吸入ポートから前記貫通孔と前記連通路を経て前記ポンプ空間に外気を導く第3の吸入経路を設けてなる請求項6に記載のベーンロータリ型空気ポンプ。
- 前記フロントプレートのポンプ空間側を溝状に窪ませたポートを前記吐出ポートとし、
前記ロータが吸入を終えたポンプ空間の最大の容量と、前記ロータが前記吐出ポートに臨む容量との比を容積比とし、
前記ロータが前記シリンダに最も近接するときの前記ロータと前記シリンダの径方向隙間を径方向最小隙間とし、
前記容積比が約1を上回る状態の前記ロータの回転角度から、前記ロータと前記シリンダの径方向隙間が前記径方向最小隙間の約5倍となる前記ロータの回転角度までの範囲に亘る前記ポンプ空間に臨むように、前記吐出ポートを前記フロントプレートに備えてなる請求項5に記載のベーンロータリ型空気ポンプ。
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JP2002280998 | 2002-09-26 | ||
PCT/JP2003/012242 WO2004029462A1 (ja) | 2002-09-26 | 2003-09-25 | ベーンロータリ型空気ポンプ |
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EP (1) | EP1550810A4 (ja) |
JP (1) | JP4646629B2 (ja) |
KR (1) | KR101011202B1 (ja) |
CN (1) | CN100394030C (ja) |
AU (1) | AU2003268674A1 (ja) |
WO (1) | WO2004029462A1 (ja) |
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EP1831561B1 (en) * | 2004-12-29 | 2012-05-16 | Aspen Compressor, LLC. | Miniature rotary compressor, and methods related thereto |
CN102108968B (zh) * | 2009-12-29 | 2015-08-26 | 法雷奥热系统(日本)公司 | 叶片型压缩机 |
GB2486007B (en) | 2010-12-01 | 2017-05-10 | Itt Mfg Enterprises Inc | Sliding vane pump |
CN102635409A (zh) * | 2011-02-10 | 2012-08-15 | 年启贺 | 一种转动机 |
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FR3033370B1 (fr) * | 2015-03-02 | 2017-03-24 | Peugeot Citroen Automobiles Sa | Pompe a palettes |
JP6636190B1 (ja) * | 2019-01-16 | 2020-01-29 | 株式会社アルバック | 真空ポンプ |
KR102476697B1 (ko) | 2021-02-01 | 2022-12-12 | 엘지전자 주식회사 | 로터리 압축기 |
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EP1550810A4 (en) | 2010-09-01 |
WO2004029462A1 (ja) | 2004-04-08 |
KR20050045990A (ko) | 2005-05-17 |
AU2003268674A1 (en) | 2004-04-19 |
KR101011202B1 (ko) | 2011-01-26 |
EP1550810A1 (en) | 2005-07-06 |
JPWO2004029462A1 (ja) | 2006-01-26 |
CN1685158A (zh) | 2005-10-19 |
CN100394030C (zh) | 2008-06-11 |
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