JPH0218126B2 - - Google Patents
Info
- Publication number
- JPH0218126B2 JPH0218126B2 JP58197246A JP19724683A JPH0218126B2 JP H0218126 B2 JPH0218126 B2 JP H0218126B2 JP 58197246 A JP58197246 A JP 58197246A JP 19724683 A JP19724683 A JP 19724683A JP H0218126 B2 JPH0218126 B2 JP H0218126B2
- Authority
- JP
- Japan
- Prior art keywords
- filter
- air
- disposed
- deodorizing
- air passage
- 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 - Lifetime
Links
- 230000001877 deodorizing effect Effects 0.000 claims description 23
- 239000000428 dust Substances 0.000 claims description 19
- 238000009423 ventilation Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 2
- 235000019645 odor Nutrition 0.000 description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 235000019504 cigarettes Nutrition 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000003205 fragrance Substances 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Description
【発明の詳細な説明】
〔技術分野〕
本発明は室内あるいは自動車の車内等の汚れた
空気を浄化する空気清浄器に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to an air cleaner for purifying dirty air indoors or inside an automobile.
一般に空気清浄器のフイルタユニツトとして
は、例えば実開昭55−129133号公報に示すよう
に、風上側の吸込口に除塵用フイルタを設けると
ともに、その風下側に活性炭等の消臭用フイルタ
を設け、室内の汚れた空気が空気清浄器に吸込ま
れると、先ず除塵用フイルタで粉塵やタバコの煙
粒子などの塵埃を除去し、その後悪臭ガス成分を
消臭用フイルタで除去するようにしている。
In general, the filter unit of an air purifier is equipped with a dust removal filter at the upwind suction port and a deodorizing filter made of activated carbon or the like on the leeward side, as shown in Japanese Utility Model Application No. 55-129133. When dirty indoor air is sucked into the air purifier, a dust removal filter first removes dust, cigarette smoke particles, and other dust particles, and then malodorous gas components are removed using a deodorizing filter. .
ところが、上記方法は綿ぼこりや砂ぼこり等の
固体粉塵を除去する場合には問題ないが、タバコ
煙等はミスト状となつているため、タバコ煙に含
まれるタールが風上側に設けた除塵用フイルタに
付着し、空気清浄器を運転せず室内に置いておく
ときには、除塵用フイルタに付着したタールから
発する悪臭が吸込口から室内に放出される問題点
がある。 However, the above method has no problem when removing solid dust such as cotton dust or sand dust, but since cigarette smoke is in the form of a mist, the tar contained in cigarette smoke is removed by a dust removal device installed on the windward side. When the air cleaner is left indoors without operating the air purifier, there is a problem in that the foul odor emitted from the tar attached to the filter is emitted into the room from the suction port.
そこで、本発明者は、第５図に示されるよう
に、送風路の風上側の吸込口２の近くに消臭用フ
イルタ３０と除塵用のフイルタ２８とを配設し、
送風装置９の風下側の吐出口４の内側に消臭用の
フイルタ２９を配設した空気清浄器を考えたが、
この空気清浄器では、悪臭は除去できるものの、
風上側の消臭用のフイルタ３０で除去されない悪
臭により経年変化でケーシング１の送風路６内の
壁面や送風装置９のフアン８等に悪臭成分が付着
し、その付着した悪臭成分から自然と悪臭が放出
され、除塵用のフイルタに付着し易くなり、消臭
用のフイルタ３０，２９の消臭能力や効果を落と
す結果となり、その結果、経年変化に伴つて室内
に悪臭を放出するものとなる問題が存在した。 Therefore, as shown in FIG. 5, the inventor provided a deodorizing filter 30 and a dust removing filter 28 near the suction port 2 on the windward side of the air passage.
An air purifier was considered in which a deodorizing filter 29 was disposed inside the outlet 4 on the leeward side of the blower 9.
Although this air purifier can remove bad odors,
Due to the odor that is not removed by the deodorizing filter 30 on the windward side, the odor component adheres to the wall inside the air passage 6 of the casing 1, the fan 8 of the blower 9, etc. due to aging, and the adhering malodor component naturally causes a bad odor. is released and tends to adhere to the dust removal filters, reducing the deodorizing ability and effectiveness of the deodorizing filters 30 and 29. As a result, as the deodorizing filters 30 and 29 age, bad odors are emitted into the room. A problem existed.
本発明は上記問題点に鑑みて成したもので、除
塵用フイルタに付着した物質から発する悪臭が室
内へ放出されることを防止した空気清浄器を提供
することにある。
The present invention has been made in view of the above problems, and an object of the present invention is to provide an air cleaner that prevents bad odors emitted from substances adhering to a dust removal filter from being released into a room.
（実施例）
以下本発明の第１の実施例を図面第１図〜第４
図に基づき説明する。１は合成樹脂からなるケー
シングで、前面に吸込口２を形成したグリル板３
を設けるとともに、上面には吐出口４を形成した
吐出口格子５を設け、前記吸込口２と吐出口４と
の間に送風路６を形成し、前記送風路６にはモー
タ７及びフアン８からなる送風装置９を配設して
いる。また、前記フアン８の前面には吸気口１０
を形成した吸気口格子１１を設け、前記グリル板
３と吸気口格子１１との間にフイルタ収容室１２
を形成し、フイルタユニツト１３を前記フイルタ
収容室１２に収容している。前記グリル板３は、
その上部に形成したフツク１４を前記ケーシング
１の前面上部に形成した凹所１５に嵌合するとと
もに、下部をネジ１６で係止することによつて、
ケーシング１の前面に取外し自在に取着してお
り、グリル板３を取外してフイルタユニツト１３
の掃除あるいは交換ができるようになつている。
前記フイルタユニツト１３は３個のフイルタで構
成しており、中央の第１のフイルタ１７は除塵用
のフイルタで、ポリプロピレン繊維やガラス繊維
等の非常に目の細かい（１〜5μｍ程度）繊維か
らなるシートをジグザグ状に曲成して形成してい
る。また、前記第１のフイルタ１７の風下側に溶
接して配設した第２のフイルタ１８は消臭用のフ
イルタで、消臭液をセラミツク等の多孔質材料に
含浸させたものあるいは粒状の活性炭等を箱体に
入れて構成している。更に、前記第１のフイルタ
１７の風上側に近接してかつ吸込口２を形成した
グリル板３に近接して配設した第３のフイルタ１
９は消臭用のフイルタで、ポリエステル繊維やナ
イロン繊維等の吸水性を有し比較的目の粗い（20
〜30μｍ程度）不織布シートに消臭液を含浸させ
て形成し、通気抵抗が少なく目づまりが発生しな
いようにしている。前記第１及び第２のフイルタ
１７，１８はフイルタ枠２０内に収容され、第２
のフイルタ１８の突起２１をフイルタ枠２０の切
欠２２に嵌合し、ネジでスライド自在に係止した
押え片２３で固定するようにしている。また、ケ
ーシング１の上面には芳香剤ケース２４、送風装
置９の通電を入切するスイツチ（図示せず）の押
釦２５、タイマー２６、通電ランプ２７等を設け
ている。更に、消臭効果を向上させるために、送
風路６の壁面及びフアン８のブレードにも消臭剤
を接着剤により塗布している。
(Embodiment) The first embodiment of the present invention will be described below with reference to drawings 1 to 4.
This will be explained based on the diagram. 1 is a casing made of synthetic resin, and has a grill plate 3 with a suction port 2 formed on the front side.
In addition, a discharge port grid 5 with discharge ports 4 formed therein is provided on the upper surface, an air passage 6 is formed between the suction port 2 and the discharge port 4, and a motor 7 and a fan 8 are provided in the air passage 6. A blower device 9 consisting of the following is provided. Further, an air intake port 10 is provided on the front surface of the fan 8.
A filter storage chamber 12 is provided between the grill plate 3 and the intake port grid 11.
A filter unit 13 is housed in the filter housing chamber 12. The grill plate 3 is
By fitting the hook 14 formed on the upper part into the recess 15 formed on the upper front surface of the casing 1, and locking the lower part with the screw 16,
It is removably attached to the front of the casing 1, and the filter unit 13 can be removed by removing the grill plate 3.
can be cleaned or replaced.
The filter unit 13 is composed of three filters, and the first filter 17 in the center is a filter for removing dust, and is made of very fine (about 1 to 5 μm) fibers such as polypropylene fibers and glass fibers. It is formed by bending the sheet into a zigzag shape. A second filter 18 welded to the leeward side of the first filter 17 is a deodorizing filter made of a porous material such as ceramic or granular activated carbon impregnated with a deodorizing liquid. etc. are placed in a box. Further, a third filter 1 is disposed close to the windward side of the first filter 17 and close to the grill plate 3 forming the suction port 2.
9 is a deodorizing filter, made of water-absorbing material such as polyester fiber or nylon fiber and relatively coarse mesh (20
It is formed by impregnating a nonwoven fabric sheet with a deodorizing liquid (approximately 30 μm) to reduce airflow resistance and prevent clogging. The first and second filters 17 and 18 are housed in a filter frame 20, and the second filter
The protrusion 21 of the filter 18 is fitted into the notch 22 of the filter frame 20, and is fixed with a presser piece 23 slidably locked with a screw. Further, on the upper surface of the casing 1, there are provided an aromatic agent case 24, a push button 25 for a switch (not shown) for turning on/off the power supply to the blower device 9, a timer 26, an energizing lamp 27, and the like. Further, in order to improve the deodorizing effect, a deodorizing agent is also applied to the wall surface of the air passage 6 and the blade of the fan 8 using an adhesive.
第６図は第１のフイルタ１８の風上側の表面に
第３のフイルタ１９を重合して一体化したもので
あり、そして、ジグザグ状に曲成して形成されて
いるフイルタである。 FIG. 6 shows a filter in which a third filter 19 is superimposed and integrated on the windward surface of the first filter 18, and is curved in a zigzag shape.
尚、第３のフイルタとしては発泡ウレタンの目
の粗いものに粉末活性炭を付着したものでもよ
く、また消臭剤としてゼオライトのようなものを
使用しても同様の作用効果が得られる。 The third filter may be a coarse urethane foam with powdered activated carbon adhered to it, and similar effects can be obtained by using a deodorizer such as zeolite.
（動作）
以下本発明の動作について説明する。押釦２５
を押すとスイツチがオンし、モータ７が回転して
フアン８を回す。フアン８が回転すると、吸込口
２から汚れた空気が吸込まれ、綿ぼこり等の比較
的大きな粉塵は第３のフイルタ１９で除去され、
細かい粉塵は第１のフイルタ１７で除去され、更
に空気中の悪臭は第２のフイルタ１８で吸着や化
学反応により除去されて、清浄空気が吐出口４か
ら室内へ排出される。このとき、同時に芳香剤ケ
ース２４から芳香が吐出されて、室内に芳香をた
だよわせて快適な雰囲気を作り出すのである。ま
た、運転を続けていると目の細かい第１のフイル
タ１７が汚れてタバコのタール等のミスト状の悪
臭成分が付着し、運転を停止しているときにこの
悪臭成分が室内の方へ自然放出するのであるが、
風上側に近接してかつ吸込口２を形成したグリル
板３に近接して配設した第３のフイルタ１９でこ
の悪臭を吸収し除去して室内へ悪臭が放出しない
ようになつている。前記第３のフイルタ１９は目
が粗くなつているため、運転中には通風抵抗が少
なくて送風効率を阻害することが少なく、且つミ
スト状の悪臭成分が付着し難くなつており、また
運転停止中の悪臭成分の室内側への放出は自然に
緩かに行なわれるものであるから、目が粗くても
悪臭成分を確実に吸収できるようになつている。(Operation) The operation of the present invention will be explained below. push button 25
When is pressed, the switch is turned on, and the motor 7 rotates to turn the fan 8. When the fan 8 rotates, dirty air is sucked in from the suction port 2, and relatively large dust such as cotton dust is removed by the third filter 19.
Fine dust is removed by the first filter 17, and odor in the air is removed by adsorption or chemical reaction by the second filter 18, and clean air is discharged into the room from the discharge port 4. At this time, fragrance is simultaneously discharged from the fragrance case 24, creating a comfortable atmosphere in the room. In addition, if the operation continues, the fine-mesh first filter 17 becomes dirty and a mist-like odor component such as cigarette tar adheres to it, and when the operation is stopped, this odor component naturally flows into the room. It emits,
A third filter 19 disposed close to the windward side and close to the grill plate 3 forming the suction port 2 absorbs and removes this bad odor so that the bad odor is not released into the room. Since the third filter 19 has a coarse mesh, there is little ventilation resistance during operation, so the ventilation efficiency is less likely to be hindered, and it is difficult for mist-like malodorous components to adhere, and when the operation is stopped. The malodorous components inside are naturally and slowly released into the room, so even if the mesh is coarse, the malodorous components can be reliably absorbed.
そして同様に、第２のフイルタ１８が第１のフ
イルタ１７の風下側に近接して配設されているの
で、第１のフイルタ１７に悪臭成分が付着してい
てもこの第２のフイルタ１８でこの悪臭を吸収し
除去して吐出口４から室内へ悪臭を放出しないも
のであり、そして、第２のフイルタ１８が送風装
置９よりも風上側に配設されているので、悪臭が
除去された清浄された空気が送風装置９を通過す
るために、送風装置９に悪臭が付着せず、経年変
化による悪臭が送風路や送風装置溜まらず、ケー
シング１の送風路６内の壁面や送風装置９のフア
ン８等に悪臭成分が付着しないものとなり、第５
図の空気清浄器のように消臭用のフイルタ３０，
２９の消臭能力や効果を落とす結果とならず、悪
臭によるフイルタの効果を損なうことがなく、そ
の結果、経年変化に伴つて室内に悪臭を放出する
ことがないものである。 Similarly, since the second filter 18 is disposed close to the leeward side of the first filter 17, even if malodorous components adhere to the first filter 17, the second filter 18 This device absorbs and removes this bad odor and does not release the bad odor into the room from the discharge port 4, and since the second filter 18 is disposed on the windward side of the blower 9, the bad odor is removed. Because the purified air passes through the blower 9, no bad odor will adhere to the blower 9, and bad odors due to aging will not accumulate in the blower duct or the blower. This prevents foul-smelling components from adhering to fan 8, etc., and
A deodorizing filter 30 like the air purifier shown in the figure,
This does not result in a reduction in the deodorizing ability or effect of the filter, and the effectiveness of the filter due to bad odor is not impaired, and as a result, no bad odor is emitted into the room as it ages.
以上の如く、本発明は送風路を形成したケーシ
ングと、前記送風路に配設した送風装置と、前記
送風路の風上側に配設した除塵用の第１のフイル
タと、前記送風路の風上側で前記第１フイルタよ
り風下側に配設した消臭用の第２のフイルタとを
備えた空気清浄器であつて、前記第１のフイルタ
の風上側に近接してかつ前記送風路の吸込口に近
接して第１のフイルタより通風抵抗小なる消臭用
の第３のフイルタを配設し、前記第２のフイルタ
を前記第１のフイルタの風下側に近接して配設し
かつ送風装置よりも風上側に配設したので、通風
抵抗小なる第３のフイルタにより綿ぼこり等の大
きな粉塵が除去されて、目の細かい第１のフイル
タの目づまりが防止できるとともに、目の細かい
第１のフイルタが汚れてミスト状の悪臭成分が付
着した状態で運転を停止して室内に置いている場
合でも、第１のフイルタの両側に配設した第２及
び第３のフイルタに悪臭成分が吸収されて室内に
放出されることなく、室内を快適な雰囲気に保つ
効果がある。
As described above, the present invention includes a casing in which an air passage is formed, an air blower disposed in the air passage, a first dust removal filter disposed on the windward side of the air passage, and a casing in which an air passage is formed. and a second deodorizing filter disposed on the upper side on the leeward side of the first filter, the air purifier comprising: a second filter for deodorizing disposed on the leeward side of the first filter, the air purifier comprising a second filter disposed on the windward side of the first filter and a second filter disposed on the windward side of the first filter; A third deodorizing filter having lower ventilation resistance than the first filter is disposed close to the mouth, and the second filter is disposed close to the leeward side of the first filter and the air blower is disposed close to the mouth. Because it is located upwind from the equipment, large dust such as cotton dust is removed by the third filter with low ventilation resistance, preventing clogging of the fine-mesh first filter. Even if the first filter is dirty and has a mist of malodorous components attached to it and is stopped and placed indoors, the second and third filters installed on both sides of the first filter will not contain the malodorous components. It has the effect of maintaining a comfortable atmosphere indoors without being absorbed and released into the room.
そして、更に第１のフイルタの両側に第３及び
第２のフイルタが密着するように近接して配設さ
れ、かつ第３のフイルタが送風路の吸込口に近接
して配設されているために、送風路の風上側であ
る吸込口部分において確実に悪臭が除去されるこ
ととなり、送風路の壁面や送風路内に配置される
送風装置に悪臭の原因成分が付着しないものとな
り、経年変化によつて悪臭が送風路や送風装置溜
まらず、そのため送風路や送風装置からの影響が
なく経年変化による悪臭によるフイルタの能力や
効果を損なうことがないものであり、その結果悪
臭が室内が放出されないものである。 Further, the third and second filters are disposed close to each other on both sides of the first filter, and the third filter is disposed close to the suction port of the air passage. In addition, bad odors are reliably removed at the suction port on the windward side of the air duct, and components that cause bad odors do not adhere to the walls of the air duct or the blower equipment installed in the air duct, which prevents deterioration over time. This prevents bad odors from accumulating in the air ducts and air blowing equipment, and therefore there is no influence from the air ducts or air blowing equipment, and the ability and effectiveness of the filter will not be impaired due to bad odors that change over time.As a result, bad odors will not be emitted indoors. It is something that cannot be done.
第１図は本発明の第１の実施例を示す斜視図、
第２図は同上の断面側面図、第３図は同上の分解
斜視図、第４図は同上の第１及び第２のフイルタ
の分解斜視図、第５図は本発明の従来例を説明す
る断面側面図、第６図は本発明の他の実施例の第
１及び第３のフイルタの要部断面図である。
１……ケーシング、６……送風路、９……送風
装置、１７……第１のフイルタ、１８……第２の
フイルタ、１９……第３のフイルタ。
FIG. 1 is a perspective view showing a first embodiment of the present invention;
FIG. 2 is a cross-sectional side view of the same as above, FIG. 3 is an exploded perspective view of same as above, FIG. 4 is an exploded perspective view of the first and second filters of same as above, and FIG. 5 explains a conventional example of the present invention. A cross-sectional side view, FIG. 6 is a cross-sectional view of essential parts of first and third filters according to another embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Casing, 6... Air passage, 9... Air blower, 17... First filter, 18... Second filter, 19... Third filter.
Claims (1)
に配設した送風装置と、前記送風路の風上側に配
設した除塵用の第１のフイルタと、前記送風路の
風上側で前記第１フイルタより風下側に配設した
消臭用の第２のフイルタとを備えた空気清浄器で
あつて、前記第１のフイルタの風上側に近接して
かつ前記送風路の吸込口に近接して第１のフイル
タより通風抵抗小なる消臭用の第３のフイルタを
配設し、前記第２のフイルタを前記第１のフイル
タの風下側に近接して配設しかつ送風装置よりも
風上側に配設したことを特徴とする空気清浄器。 ２ 第３のフイルタは不織布に消臭液を含浸させ
て構成したことを特徴とする特許請求の範囲第１
項記載の空気清浄器。[Scope of Claims] 1. A casing in which an air passage is formed, an air blower disposed in the air passage, a first filter for removing dust disposed on the windward side of the air passage, and a casing that forms an air passage. and a second deodorizing filter disposed on the upper side on the leeward side of the first filter, the air purifier comprising: a second filter for deodorizing disposed on the leeward side of the first filter, the air purifier comprising a second filter disposed on the windward side of the first filter and a second filter disposed on the windward side of the first filter; A third deodorizing filter having lower ventilation resistance than the first filter is disposed close to the mouth, and the second filter is disposed close to the leeward side of the first filter and the air blower is disposed close to the mouth. An air purifier characterized by being placed upwind of the device. 2. Claim 1, characterized in that the third filter is constructed by impregnating a nonwoven fabric with a deodorizing liquid.
Air purifier as described in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58197246A JPS6087823A (en) | 1983-10-20 | 1983-10-20 | Air cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58197246A JPS6087823A (en) | 1983-10-20 | 1983-10-20 | Air cleaner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6087823A JPS6087823A (en) | 1985-05-17 |
| JPH0218126B2 true JPH0218126B2 (en) | 1990-04-24 |
Family
ID=16371277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58197246A Granted JPS6087823A (en) | 1983-10-20 | 1983-10-20 | Air cleaner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6087823A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0320677Y2 (en) * | 1985-05-10 | 1991-05-02 | ||
| JPH0445515U (en) * | 1990-08-13 | 1992-04-17 | ||
| JP2002204915A (en) * | 2001-01-09 | 2002-07-23 | Ricoh Elemex Corp | Dust collection unit for air cleaner |
| CN108939735B (en) * | 2018-02-11 | 2021-04-02 | 上海奥希斯环保技术有限公司 | Air purifier |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4968109A (en) * | 1972-11-06 | 1974-07-02 |
-
1983
- 1983-10-20 JP JP58197246A patent/JPS6087823A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6087823A (en) | 1985-05-17 |
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