JP2003065241A - Portable compressor - Google Patents
Portable compressorInfo
- Publication number
- JP2003065241A JP2003065241A JP2001259273A JP2001259273A JP2003065241A JP 2003065241 A JP2003065241 A JP 2003065241A JP 2001259273 A JP2001259273 A JP 2001259273A JP 2001259273 A JP2001259273 A JP 2001259273A JP 2003065241 A JP2003065241 A JP 2003065241A
- Authority
- JP
- Japan
- Prior art keywords
- case
- inner case
- motor
- opening
- foam
- 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.)
- Granted
Links
Landscapes
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、携帯用コンプレッ
サに関する。詳細には、モータの回転駆動を往復運動に
変換し、空気圧縮部を作動させて圧縮空気を得る携帯用
コンプレッサに関する。TECHNICAL FIELD The present invention relates to a portable compressor. More specifically, the present invention relates to a portable compressor that converts rotational drive of a motor into reciprocating motion and operates an air compression unit to obtain compressed air.
【０００２】[0002]
【従来の技術】従来、この種の携帯用コンプレッサにお
いて、例えば、特許第２７６４１６４号には、ケース内
に、小型の直流モータと、該モータの出力軸に接続され
る減速機と、該減速機の回転力を往復運動に変換し、圧
縮空気を得る空気圧縮部とを収容した、小型且つ軽量の
携帯用コンプレッサが開示されている。2. Description of the Related Art Conventionally, in a portable compressor of this type, for example, in Japanese Patent No. 2764164, a small DC motor, a speed reducer connected to an output shaft of the motor, and a speed reducer are provided in a case. There is disclosed a small-sized and lightweight portable compressor that accommodates an air compression unit that converts the rotational force of the above into reciprocating motion to obtain compressed air.
【０００３】[0003]
【発明が解決しようとする課題】前記従来の携帯用コン
プレッサは、高速回転するモータの音、減速機の歯車の
かみ合い音、及び空気圧縮部の作動音等の多くの騒音発
生源を有し、特に夜間の使用には適さなかった。The conventional portable compressor has many noise sources such as the sound of a motor rotating at high speed, the meshing sound of gears of a speed reducer, and the operating sound of an air compressor. Especially it was not suitable for night use.
【０００４】本発明は前記従来の問題点を解決するもの
であって、作動時のモータ、減速機、空気圧縮部から発
生する騒音を抑えると共に、作動時に温度上昇するモー
タを効果的に冷却できる携帯用コンプレッサを提供しよ
うとするものである。The present invention solves the above-mentioned problems of the prior art by suppressing noise generated from the motor, speed reducer, and air compressor during operation and effectively cooling the motor whose temperature rises during operation. It is intended to provide a portable compressor.
【０００５】[0005]
【課題を解決するための手段】請求項１の携帯用コンプ
レッサは、「モータの回転駆動を往復運動に変換し、空
気圧縮部を作動させて圧縮空気を得る携帯用コンプレッ
サであって、アウターケースの内部にインナーケースを
収容し、前記インナーケースの内部に、モータと、該モ
ータの出力軸に接続される減速機と、該減速機の回転力
を往復運動に変換し、圧縮空気を得る空気圧縮部とを収
容し、前記アウターケースに開口部を設け、前記インナ
ーケースのモータ近傍部分に開口部を設け、前記インナ
ーケースの開口部を覆うように前記インナーケースの外
面に連続気泡の発泡体を設け、前記アウターケースの開
口部と前記インナーケースの開口部とを前記発泡体を介
して連通させてなること」を特徴とする。アウターケー
ス内部にインナーケースを収容することにより、インナ
ーケース内部のモータ、減速機、空気圧縮部から生じる
騒音を減少させることができ、さらに、インナーケース
の開口部を発泡体により覆うことにより、インナーケー
スの開口部から漏れる騒音を抑えることができる。ま
た、モータがコンプレッサの作動により温度上昇したと
しても、該モータの熱が、インナーケースのモータ近傍
部分の開口部、連続気泡の発泡体、及びアウターケース
の開口部を通って外気に放熱される。それにより、モー
タの温度上昇を抑えることができ、長時間の連続運転が
可能となる。その上、連続気泡の発泡体がインナーケー
スの開口部を覆うことにより、インナーケース内に開口
部よりゴミや埃が入り込むことを防止できる。According to a first aspect of the present invention, there is provided a portable compressor for converting a rotary drive of a motor into a reciprocating motion to operate an air compression section to obtain compressed air, the outer case comprising: An air for accommodating an inner case inside thereof, a motor, a speed reducer connected to the output shaft of the motor, and a rotational force of the speed reducer into reciprocating motion to obtain compressed air inside the inner case. A foamed body of open cells on the outer surface of the inner case so as to cover the inner case opening, the outer case being provided with an opening, the inner case being provided with an opening, and the inner case being provided with an opening. Is provided, and the opening of the outer case and the opening of the inner case are communicated with each other through the foam. ” By accommodating the inner case inside the outer case, noise generated from the motor, speed reducer, and air compressor inside the inner case can be reduced, and by covering the opening of the inner case with foam, Noise leaking from the opening of the case can be suppressed. Further, even if the temperature of the motor rises due to the operation of the compressor, the heat of the motor is radiated to the outside air through the opening of the inner case near the motor, the open-cell foam, and the opening of the outer case. . As a result, the temperature rise of the motor can be suppressed, and continuous operation for a long time becomes possible. Moreover, since the foam of open cells covers the opening of the inner case, it is possible to prevent dust and dirt from entering the inner case through the opening.
【０００６】請求項２の携帯用コンプレッサは、請求項
１において、「発泡体をインナーケース外面の上部又は
下部に設け、前記発泡体をアウターケース内面とインナ
ーケース外面とにより上下方向に挟持し、インナーケー
ス外面の上部及び下部にクッション材を設け、前記クッ
ション材をアウターケース内面とインナーケース外面と
により上下方向に挟持してなること」を特徴とする。発
泡体を、クッション材と共にインナーケース外面とアウ
ターケース内面とにより上下方向に挟持することによ
り、コンプレッサ作動時のインナーケースの振動を一層
吸収し、騒音の低下に効果的である。さらに、発泡体及
びクッション材を上下方向に挟持することにより、左右
方向に挟持する場合に比べ、インナーケースを安定的に
支持できる。A portable compressor according to a second aspect is the portable compressor according to the first aspect, wherein "the foam is provided on an upper portion or a lower portion of the outer surface of the inner case, and the foam is vertically sandwiched by the inner surface of the outer case and the outer surface of the inner case. A cushion material is provided on the upper and lower portions of the outer surface of the inner case, and the cushion material is vertically sandwiched by the inner surface of the outer case and the outer surface of the inner case. " By sandwiching the foam together with the cushion material in the vertical direction between the outer surface of the inner case and the inner surface of the outer case, vibration of the inner case during operation of the compressor is further absorbed, which is effective in reducing noise. Further, by sandwiching the foam and the cushion material in the vertical direction, the inner case can be supported more stably than in the case of sandwiching in the horizontal direction.
【０００７】請求項３の携帯用コンプレッサは、請求項
２において、「インナーケースの開口部が吸気孔と排気
孔とからなり、前記インナーケースの内部に前記吸気孔
と前記排気孔との間を連通する空気通路を形成し、出力
軸に冷却用ファンを備えたモータを前記空気通路に位置
させてなること」を特徴とする。コンプレッサ作動時、
モータの回転に伴って冷却用ファンが回転し、外気が空
気通路を、インナーケースの吸気孔からインナーケース
の排気孔へ流れる。前記空気通路には、モータが位置し
ているため、前記強制的な空気の流れにより、モータが
効果的に冷却される。According to a second aspect of the present invention, there is provided a portable compressor according to the second aspect, wherein the opening of the inner case includes an intake hole and an exhaust hole, and the space between the intake hole and the exhaust hole is provided inside the inner case. A motor having a cooling fan on an output shaft is formed in the air passage, which forms a communicating air passage. " When the compressor is operating,
The cooling fan rotates as the motor rotates, and the outside air flows through the air passage from the intake hole of the inner case to the exhaust hole of the inner case. Since the motor is located in the air passage, the motor is effectively cooled by the forced air flow.
【０００８】請求項４の携帯用コンプレッサは、請求項
３において、「アウターケースの開口部が吸気孔と排気
孔とからなり、前記アウターケースの吸気孔及び排気孔
の各々を包囲する周状の凸部をアウターケース内面に設
け、前記アウターケースの吸気孔を包囲する凸部とイン
ナーケース外面の吸気孔の周縁部とにより発泡体を挟持
し、且つ、前記アウターケースの排気孔を包囲する凸部
とインナーケース外面の排気孔の周縁部とにより発泡体
を挟持してなること」を特徴とする。凸部により、発泡
体が僅かに押しつぶされる。それにより、発泡体を安定
的に挟持できると共に、アウターケースの吸気孔からイ
ンナーケースの吸気孔への空気の流れ、及びインナーケ
ースの排気孔からアウターケースの排気孔への空気の流
れを十分にガイドし、空気通路における空気の流通量を
増加でき、より一層、モータの冷却効率を高めることが
できる。According to a third aspect of the present invention, there is provided a portable compressor according to the third aspect, wherein the opening of the outer case includes an intake hole and an exhaust hole, and surrounds each of the intake hole and the exhaust hole of the outer case. A convex portion is provided on the inner surface of the outer case, and a convex portion that surrounds the intake hole of the outer case and a peripheral portion of the intake hole on the outer surface of the inner case sandwich the foam body, and a convex portion that surrounds the exhaust hole of the outer case. And the peripheral portion of the exhaust hole on the outer surface of the inner case holds the foam body. " The convex portion slightly crushes the foam. As a result, the foam can be stably sandwiched, and the flow of air from the intake holes of the outer case to the intake holes of the inner case and the flow of air from the exhaust holes of the inner case to the exhaust holes of the outer case are sufficient. The flow rate of air in the air passage can be increased by guiding, and the cooling efficiency of the motor can be further enhanced.
【０００９】[0009]
【発明の実施の形態】本発明の実施の形態を図面に従っ
て説明する。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described with reference to the drawings.
【００１０】図１及び図２に本発明の実施例を示す。本
実施例の携帯用コンプレッサ１は、アウターケース２
と、インナーケース３とを備える。1 and 2 show an embodiment of the present invention. The portable compressor 1 according to the present embodiment includes an outer case 2
And an inner case 3.
【００１１】前記アウターケース２は、上下に分割可能
な上側ケース２４と下側ケース２５よりなる。前記上側
ケース２４の上部には、長方形状の吸気孔２１及び長方
形状の排気孔２２が形成される。前記吸気孔２１を包囲
するアウターケース２内面には、長方形状の周状の凸部
２１ａが形成され、前記排気孔２２を包囲するアウター
ケース２内面には、長方形状の周状の凸部２２ａが形成
される。The outer case 2 is composed of an upper case 24 and a lower case 25 which are vertically separable. A rectangular intake hole 21 and a rectangular exhaust hole 22 are formed in an upper portion of the upper case 24. A rectangular circumferential convex portion 21a is formed on the inner surface of the outer case 2 surrounding the intake hole 21, and a rectangular circumferential convex portion 22a is formed on the inner surface of the outer case 2 surrounding the exhaust hole 22. Is formed.
【００１２】上側ケース２４と下側ケース２５の合わせ
面には、圧縮空気が吐出される吐出孔２３が設けられ
る。また、前記上側ケース２４外面の上部には、携帯に
便利なように把手２４ａが設けられる。また、下側ケー
ス２５の外面下部には、弾性板よりなる支持部材２５ａ
が、複数、取り付けられる。A discharge hole 23 for discharging compressed air is provided on the mating surface of the upper case 24 and the lower case 25. A handle 24a is provided on the outer surface of the upper case 24 so as to be convenient for carrying. A support member 25a made of an elastic plate is provided on the lower portion of the outer surface of the lower case 25.
However, a plurality is attached.
【００１３】インナーケース３は、上下に分割可能な上
側ケース３３と下側ケース３４よりなる。前記上側ケー
ス３３外面の上部には、長方形状の吸気孔３１及び長方
形状の排気孔３２が形成される。前記吸気孔３１と排気
孔３２との間のインナーケース３内部には空気通路３５
が形成される。The inner case 3 is composed of an upper case 33 and a lower case 34 which are vertically separable. A rectangular intake hole 31 and a rectangular exhaust hole 32 are formed on the outer surface of the upper case 33. An air passage 35 is provided inside the inner case 3 between the intake hole 31 and the exhaust hole 32.
Is formed.
【００１４】前記インナーケース３の内部には、直流モ
ータ４と、該モータ４の出力軸に接続された減速機５
と、該減速機５の回転力を往復運動に変換し、圧縮空気
を得る空気圧縮部６とが収容される。Inside the inner case 3, a DC motor 4 and a speed reducer 5 connected to the output shaft of the motor 4 are provided.
And an air compressor 6 for converting the rotational force of the speed reducer 5 into reciprocating motion to obtain compressed air.
【００１５】前記モータ４は、吸気孔３１及び排気孔３
２の近傍に配置される。前記モータ４の出力軸には、冷
却用ファン４１が取り付けられる。前記モータ４は、前
記空気通路３５に配置される。The motor 4 has an intake hole 31 and an exhaust hole 3
It is arranged in the vicinity of 2. A cooling fan 41 is attached to the output shaft of the motor 4. The motor 4 is arranged in the air passage 35.
【００１６】前記減速機５は、ギアケース５１内に互い
にかみ合う複数の大小の歯車が収容されてなる。前記減
速機５の出力軸の両端部には、クランク５２が設けられ
る。前記クランク５２は、空気圧縮部６に接続される。
尚、前記減速機５は、ベルトを介して大小のベルト車を
回転させる構成でもよい。The speed reducer 5 has a gear case 51 in which a plurality of large and small gears meshing with each other are housed. Cranks 52 are provided at both ends of the output shaft of the speed reducer 5. The crank 52 is connected to the air compression unit 6.
The speed reducer 5 may be configured to rotate large and small belt wheels via a belt.
【００１７】前記空気圧縮部６は、複数のベローズより
なり、それが、前記クランク５２と接続される。前記ク
ランク５２の回転により、複数のベローズが、位相差を
もって往復運動する。前記複数のベローズには、それぞ
れ吸気弁及び排気弁が設けられ、排気弁側には、圧縮空
気を外部へ吐出する吐出用パイプ６１が接続される。前
記吐出用パイプ６１は、インナーケース３の吐出孔を貫
通し、アウターケース２の吐出孔２３に接続される。
尚、前記空気圧縮部６は、シリンダとピストンの組合せ
でもよい。The air compression section 6 comprises a plurality of bellows, which are connected to the crank 52. The rotation of the crank 52 causes the plurality of bellows to reciprocate with a phase difference. An intake valve and an exhaust valve are provided in the plurality of bellows, and a discharge pipe 61 for discharging compressed air to the outside is connected to the exhaust valve side. The discharge pipe 61 penetrates the discharge hole of the inner case 3 and is connected to the discharge hole 23 of the outer case 2.
The air compression unit 6 may be a combination of a cylinder and a piston.
【００１８】本実施例は、アウターケース２とインナー
ケース３のそれぞれに、吸気孔、排気孔、吐出孔の３つ
の孔のみを設けた構成であるため、インナーケース３を
アウターケース２内部に収容することにより、コンプレ
ッサ作動音（即ち、モータ４音、減速機５の作動音、及
び空気圧縮部６の作動音等）が、外部に漏れることを一
層防止できる。In this embodiment, since the outer case 2 and the inner case 3 are each provided with only three holes, that is, an intake hole, an exhaust hole, and a discharge hole, the inner case 3 is housed inside the outer case 2. By doing so, it is possible to further prevent the compressor operating noise (that is, the noise of the motor 4, the operating noise of the speed reducer 5, the operating noise of the air compressor 6, etc.) from leaking to the outside.
【００１９】前記インナーケース３外面の上部とアウタ
ーケース２内面との間には、１枚の板状の連続気泡の発
泡体７が介在されている。前記発泡体７は、インナーケ
ース３の吸気孔３１及び排気孔３２を覆うように配置さ
れ、アウターケース２内面に設けた２箇所（吸気孔側、
排気孔側）の凸部２１ａ，２２ａと、インナーケース３
の外面とによって上下方向に挟持される。前記発泡体７
は、合成樹脂の連続気泡の多孔質体（スポンジ）であ
り、弾力性を備える。Between the upper portion of the outer surface of the inner case 3 and the inner surface of the outer case 2, a plate-shaped open-cell foam 7 is interposed. The foam 7 is arranged so as to cover the intake hole 31 and the exhaust hole 32 of the inner case 3, and is provided at two locations (on the intake hole side, on the inner surface of the outer case 2).
Convex portions 21a and 22a on the side of the exhaust hole) and the inner case 3
It is clamped in the vertical direction by the outer surface of the. The foam 7
Is a synthetic resin open-cell porous body (sponge) having elasticity.
【００２０】前記インナーケース３外面とアウターケー
ス２内面の間の隙間の上部及び下部には、複数のクッシ
ョン材８が介在される。前記クッション材８は、インナ
ーケース３外面とアウターケース２内面とにより上下方
向に挟持される。尚、前記クッション材８は、弾力性を
備える部材ならば、いずれであってもよく、例えば、ゴ
ム、エラストマー、多孔質体、バネ、中空体等、いずれ
であってもよい。A plurality of cushion members 8 are interposed above and below the gap between the outer surface of the inner case 3 and the inner surface of the outer case 2. The cushion member 8 is vertically sandwiched between the outer surface of the inner case 3 and the inner surface of the outer case 2. The cushion material 8 may be any member as long as it has elasticity, and may be, for example, rubber, elastomer, porous body, spring, hollow body or the like.
【００２１】本実施例の携帯用コンプレッサ１は、作動
時の外部に漏れる音（騒音値）が、６７ｄＢであったの
に対し、従来品は、作動時の外部に漏れる音（騒音値）
が７７ｄＢであった。即ち、本発明により、大きな消音
効果を得ることができた。尚、本発明の携帯用コンプレ
ッサ１は、エアブラシと接続することによるスプレー作
業に最適であり、スプレー用携帯用コンプレッサとする
ことが好ましい。The sound (noise value) leaking to the outside during operation of the portable compressor 1 of this embodiment was 67 dB, whereas the sound leaking to the outside during operation (noise value) was 67 dB.
Was 77 dB. That is, according to the present invention, a great silencing effect could be obtained. The portable compressor 1 of the present invention is most suitable for spraying work by connecting it to an airbrush, and is preferably a portable compressor for spraying.
【００２２】[0022]
【発明の効果】請求項１の発明により、モータ、減速
機、空気圧縮部から発生する騒音を抑えると共に、作動
時に温度上昇するモータを効果的に冷却でき、また、イ
ンナーケース内にゴミや埃が入り込むことを防止でき
る。According to the first aspect of the present invention, noise generated from the motor, the speed reducer, and the air compressor can be suppressed, and the motor whose temperature rises during operation can be effectively cooled, and dust and dirt can be contained in the inner case. Can be prevented from entering.
【００２３】請求項２の発明により、コンプレッサ作動
時のインナーケースの振動がより一層吸収され、騒音の
低下に効果的となると共に、インナーケースを安定的に
支持できる。According to the second aspect of the present invention, the vibration of the inner case during the operation of the compressor is further absorbed, which is effective in reducing noise, and the inner case can be stably supported.
【００２４】請求項３の発明により、強制的な空気の流
れにより、一層、モータを効果的に冷却できる。According to the third aspect of the invention, the motor can be further effectively cooled by the forced air flow.
【００２５】請求項４の発明により、発泡体を安定的に
挟持できると共に、空気通路における空気の流通量を増
加でき、より一層、モータの冷却効率を高めることがで
きる。According to the fourth aspect of the present invention, the foam can be stably sandwiched, the amount of air flowing in the air passage can be increased, and the cooling efficiency of the motor can be further enhanced.
【図１】本発明の実施例を示す横断面図である。FIG. 1 is a cross-sectional view showing an embodiment of the present invention.
【図２】図１の縦断面図である。FIG. 2 is a vertical sectional view of FIG.
【符号の説明】 １ 携帯用コンプレッサ ２ アウターケース ２１ 吸気孔（開口部） ２１ａ 凸部 ２２ 排気孔（開口部） ２２ａ 凸部 ２３ 吐出孔 ２４ 上側ケース ２４ａ 把手 ２５ 下側ケース ２５ａ 支持部材 ３ インナーケース ３１ 吸気孔（開口部） ３２ 排気孔（開口部） ３３ 上側ケース ３４ 下側ケース ３５ 空気通路 ４ モータ ４１ 冷却用ファン ５ 減速機 ５１ ギアケース ５２ クランク ６ 空気圧縮部 ６１ 吐出用パイプ ７ 発泡体 ８ クッション材[Explanation of symbols] 1 Portable compressor 2 outer case 21 Intake hole (opening) 21a convex part 22 Exhaust hole (opening) 22a convex part 23 Discharge hole 24 Upper case 24a handle 25 Lower case 25a support member 3 inner case 31 Intake hole (opening) 32 Exhaust hole (opening) 33 Upper case 34 Lower case 35 air passage 4 motor 41 Cooling fan 5 reducer 51 gear case 52 cranks 6 Air compressor 61 Discharge pipe 7 foam 8 cushion material
Claims (4)
気圧縮部を作動させて圧縮空気を得る携帯用コンプレッ
サであって、アウターケースの内部にインナーケースを
収容し、前記インナーケースの内部に、モータと、該モ
ータの出力軸に接続される減速機と、該減速機の回転力
を往復運動に変換し、圧縮空気を得る空気圧縮部とを収
容し、前記アウターケースに開口部を設け、前記インナ
ーケースのモータ近傍部分に開口部を設け、前記インナ
ーケースの開口部を覆うように前記インナーケースの外
面に連続気泡の発泡体を設け、前記アウターケースの開
口部と前記インナーケースの開口部とを前記発泡体を介
して連通させてなることを特徴とする携帯用コンプレッ
サ。1. A portable compressor for converting rotational drive of a motor into reciprocating motion to operate an air compression section to obtain compressed air, wherein an inner case is housed in an outer case, and the inner case is housed in the inner case. A motor, a speed reducer connected to the output shaft of the motor, and an air compression unit that converts the rotational force of the speed reducer into reciprocating motion to obtain compressed air, and an opening is formed in the outer case. An opening is provided in the inner case in the vicinity of the motor, and an open cell foam is provided on the outer surface of the inner case so as to cover the opening of the inner case. A portable compressor characterized in that it is communicated with an opening via the foam.
部に設け、前記発泡体をアウターケース内面とインナー
ケース外面とにより上下方向に挟持し、インナーケース
外面の上部及び下部にクッション材を設け、前記クッシ
ョン材をアウターケース内面とインナーケース外面とに
より上下方向に挟持してなる請求項１記載の携帯用コン
プレッサ。2. A foam is provided on the upper or lower part of the outer surface of the inner case, the foam is vertically sandwiched by the inner surface of the outer case and the outer surface of the inner case, and cushioning materials are provided on the upper and lower parts of the outer surface of the inner case. The portable compressor according to claim 1, wherein the cushion material is vertically sandwiched between the inner surface of the outer case and the outer surface of the inner case.
とからなり、前記インナーケースの内部に前記吸気孔と
前記排気孔との間を連通する空気通路を形成し、出力軸
に冷却用ファンを備えたモータを前記空気通路に位置さ
せてなる請求項２記載の携帯用コンプレッサ。3. The inner case has an opening formed of an intake hole and an exhaust hole, and an air passage communicating between the intake hole and the exhaust hole is formed inside the inner case, and an output shaft for cooling is formed. The portable compressor according to claim 2, wherein a motor having a fan is located in the air passage.
とからなり、前記アウターケースの吸気孔及び排気孔の
各々を包囲する周状の凸部をアウターケース内面に設
け、前記アウターケースの吸気孔を包囲する凸部とイン
ナーケース外面の吸気孔の周縁部とにより発泡体を挟持
し、且つ、前記アウターケースの排気孔を包囲する凸部
とインナーケース外面の排気孔の周縁部とにより発泡体
を挟持してなる請求項３記載の携帯用コンプレッサ。4. The outer case has an opening formed of an intake hole and an exhaust hole, and a circumferential convex portion surrounding each of the intake hole and the exhaust hole of the outer case is provided on the inner surface of the outer case. The foam is sandwiched between the convex portion surrounding the intake hole and the peripheral portion of the intake hole on the outer surface of the inner case, and the convex portion surrounding the exhaust hole of the outer case and the peripheral portion of the exhaust hole on the outer surface of the inner case. The portable compressor according to claim 3, wherein the foamed body is sandwiched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001259273A JP4621388B2 (en) | 2001-08-29 | 2001-08-29 | Portable compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001259273A JP4621388B2 (en) | 2001-08-29 | 2001-08-29 | Portable compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003065241A true JP2003065241A (en) | 2003-03-05 |
| JP4621388B2 JP4621388B2 (en) | 2011-01-26 |
Family
ID=19086670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001259273A Expired - Lifetime JP4621388B2 (en) | 2001-08-29 | 2001-08-29 | Portable compressor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4621388B2 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2320085A3 (en) * | 2009-11-05 | 2012-01-25 | Techtronic Power Tools Technology Limited | Portable air compressor |
| JP2012112281A (en) * | 2010-11-24 | 2012-06-14 | Makita Corp | Air compressor |
| EP2706234A1 (en) * | 2012-09-11 | 2014-03-12 | Black & Decker Inc. | Air ducting shroud for cooling an air compressor pump and motor |
| US8899378B2 (en) | 2011-09-13 | 2014-12-02 | Black & Decker Inc. | Compressor intake muffler and filter |
| JP2015075072A (en) * | 2013-10-11 | 2015-04-20 | オリオン機械株式会社 | Package-type rotary pump unit |
| CN106762532A (en) * | 2017-03-01 | 2017-05-31 | 浙江鸿友压缩机制造有限公司 | A kind of hand portable air compressors |
| US10012223B2 (en) | 2011-09-13 | 2018-07-03 | Black & Decker Inc. | Compressor housing having sound control chambers |
| CN111112584A (en) * | 2020-01-03 | 2020-05-08 | 广州万宝集团压缩机有限公司 | Cylinder block and manufacturing method thereof |
| US11111913B2 (en) | 2015-10-07 | 2021-09-07 | Black & Decker Inc. | Oil lubricated compressor |
| CN114776564A (en) * | 2022-03-18 | 2022-07-22 | 谢田宏 | Oil-free air compressor with air cooling mechanism |
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| JPH02108877A (en) * | 1988-10-15 | 1990-04-20 | Matsushita Electric Works Ltd | Portable electric compressor |
| JPH02277975A (en) * | 1989-04-20 | 1990-11-14 | Sanyo Electric Co Ltd | Air feeder |
-
2001
- 2001-08-29 JP JP2001259273A patent/JP4621388B2/en not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6334380U (en) * | 1986-08-23 | 1988-03-05 | ||
| JPH02108877A (en) * | 1988-10-15 | 1990-04-20 | Matsushita Electric Works Ltd | Portable electric compressor |
| JPH02277975A (en) * | 1989-04-20 | 1990-11-14 | Sanyo Electric Co Ltd | Air feeder |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2320085A3 (en) * | 2009-11-05 | 2012-01-25 | Techtronic Power Tools Technology Limited | Portable air compressor |
| JP2012112281A (en) * | 2010-11-24 | 2012-06-14 | Makita Corp | Air compressor |
| US10871153B2 (en) | 2011-09-13 | 2020-12-22 | Black & Decker Inc. | Method of reducing air compressor noise |
| US8899378B2 (en) | 2011-09-13 | 2014-12-02 | Black & Decker Inc. | Compressor intake muffler and filter |
| US12078160B2 (en) | 2011-09-13 | 2024-09-03 | Black & Decker Inc. | Method of reducing air compressor noise |
| US9309876B2 (en) | 2011-09-13 | 2016-04-12 | Black & Decker Inc. | Compressor intake muffler and filter |
| US11788522B2 (en) | 2011-09-13 | 2023-10-17 | Black & Decker Inc. | Compressor intake muffler and filter |
| US9890774B2 (en) | 2011-09-13 | 2018-02-13 | Black & Decker Inc. | Compressor intake muffler and filter |
| US10012223B2 (en) | 2011-09-13 | 2018-07-03 | Black & Decker Inc. | Compressor housing having sound control chambers |
| US10036375B2 (en) | 2011-09-13 | 2018-07-31 | Black & Decker Inc. | Compressor housing having sound control chambers |
| US10982664B2 (en) | 2011-09-13 | 2021-04-20 | Black & Decker Inc. | Compressor intake muffler and filter |
| EP2706234A1 (en) * | 2012-09-11 | 2014-03-12 | Black & Decker Inc. | Air ducting shroud for cooling an air compressor pump and motor |
| JP2015075072A (en) * | 2013-10-11 | 2015-04-20 | オリオン機械株式会社 | Package-type rotary pump unit |
| US11111913B2 (en) | 2015-10-07 | 2021-09-07 | Black & Decker Inc. | Oil lubricated compressor |
| CN106762532B (en) * | 2017-03-01 | 2019-03-15 | 浙江鸿友压缩机制造有限公司 | A kind of hand portable air compressors |
| CN106762532A (en) * | 2017-03-01 | 2017-05-31 | 浙江鸿友压缩机制造有限公司 | A kind of hand portable air compressors |
| CN111112584A (en) * | 2020-01-03 | 2020-05-08 | 广州万宝集团压缩机有限公司 | Cylinder block and manufacturing method thereof |
| CN114776564A (en) * | 2022-03-18 | 2022-07-22 | 谢田宏 | Oil-free air compressor with air cooling mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4621388B2 (en) | 2011-01-26 |
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