TW202243720A - 用於閥門內部毒性氣體之吸氣劑匣 - Google Patents

用於閥門內部毒性氣體之吸氣劑匣 Download PDF

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TW202243720A
TW202243720A TW111108522A TW111108522A TW202243720A TW 202243720 A TW202243720 A TW 202243720A TW 111108522 A TW111108522 A TW 111108522A TW 111108522 A TW111108522 A TW 111108522A TW 202243720 A TW202243720 A TW 202243720A
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gas
toxic
cartridge
cylinder
absorbent
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馬克 瑞農
里卡德 溫德
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美商曼瑟森三汽油公司
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Abstract

本發明係關於用於向半導體製造商輸送高毒性及/或可燃化合物的汽缸包裝。更明確地,本發明提供一種匣,適於可拆卸地附接至設置在容納毒性氣體之汽缸包裝上的汽缸閥門中氣體排放通道的氣體出口,該匣包含具有至少一端裝配有阻隔構件的圓柱形外殼,該阻隔構件可滲透包含於該汽缸包裝內的毒性氣體,且該外殼包含毒性氣體吸氣劑材料。

Description

用於閥門內部毒性氣體之吸氣劑匣
本案主張2021年3月22日申請之美國臨時申號63/164,328之優先權,其揭示內容藉由引用方式全部併入本文。
本發明係關於用於輸送高毒性及/或可燃化合物至半導體製造商的汽缸包裝。更明確地,本發明提供一種匣,其適於可拆卸地附接至汽缸閥門中的氣體排放通道的氣體出口,該汽缸閥門被提供於含毒性氣體之汽缸包裝上,該匣包含圓柱形外殼,該外殼至少一端裝有可滲透包含在汽缸包裝內的毒性氣體的一阻隔構件,且該外殼包含毒性氣體吸氣劑材料。
工業加工和製造應用需要安全儲存及處理毒性或可燃氣體。半導體行業尤其依賴壓縮氣體,諸如矽烷(SiH 4)、鍺烷(GeH 4)和一氧化碳(CO),以及液化壓縮氣體,諸如砷化氫(AsH 3)、磷化氫(PH 3)、三氟化硼(BF 3)和三氟化氮(NF 3)用於晶圓加工。諸如二硼烷/平衡氫 (B 2H 6/H 2)百分比和膦/平衡氫(PH 3/H 2)百分比的混合物等氣體混合物亦常用於微電子工業。
通常,毒性氣體在裝運之前被填充或充入汽缸中。該汽缸包裝包含鋼瓶或鋁瓶或瓶,其具有形成在頂壁中的內螺紋開口,具有螺紋閥門體的汽缸閥門藉由將閥門的外螺紋與開口的內螺紋螺紋接合而安裝到該開口。汽缸閥門通常具有兩個端口,一個用於從汽缸中填充或排放氣體的端口及一個裝有安全釋壓裝置的端口,該裝置將在緊急情況下排放汽缸中的內容物。對於許多(但不是全部)毒性氣體中使用的汽缸閥門,後者端口是密封的,且氣體僅能從填充/排放端口進出汽缸。兩個端口可操作地與汽缸的內部流體連通。汽缸包裝是經由填充/排放端口充入所需氣體,關閉汽缸閥門,然後通常以諸如氮氣之惰性氣體循環吹掃端口出口以去除閥門腔中的毒性氣體,並最終以端蓋密封以防止在閥門意外打開或閥門座洩漏的情況下所含的毒性氣體從汽缸中排出。作為一項安全措施,用於毒性氣體維護的汽缸閥門在閥門 端口的喉部也有一個可容納一個限制流量孔口(RFO)的位置。RFO可提供不同的孔口直徑,並可擰入並密封至閥門出口喉部,以在閥門意外打開的情況下限制毒性氣體從閥門流出。然而,實際上,即使以有效的循環吹掃,也難以防止所有痕量的毒性氣體進入汽缸閥門的內部空間,然後在移除排放端蓋時可能會無意中釋放這些氣體。此外,由於胂等一些氣體在十億分之幾的濃度下就具有毒性,因此非常不希望由於微小的跨閥座(across-the-seat)洩漏或由於在儲存期間從閥門中的汽缸閥門聚合物座或其他材料放出氣體而在閥門出口腔中積聚任何甚至微量毒性氣體。
因此,仍需要在汽缸包裝的運輸和儲存之前和期間去除可能在汽缸閥門的內部空間(出口腔)內積聚的痕量毒性氣體。
為此,本發明提供一種吸氣劑匣,適於可拆卸地插入汽缸閥門的一閥門端或氣體排放通道的喉部,與儲存在一汽缸中的毒性或可燃氣體流體連通,該吸氣劑匣包含一底壁和一頂壁、從底壁延伸至頂壁的一周壁、位於該周壁上用於保護和定位吸氣劑匣於該氣體排放通道內的一墊圈,該墊圈由不與汽缸中的毒性或可燃氣體發生化學反應而降低墊圈的密封性的材料製成,在底壁中設置有可滲透該毒性或可燃氣體的一阻隔構件,以及包含在該匣內的毒性或可燃氣體吸收裝置,該毒性或可燃氣體吸收裝置暴露於該氣體排放通道。
根據本發明,較佳地,吸氣劑匣的外徑形成為容納其插入的閥門端口的特定喉部,毒性氣體吸收裝置設置在包含一毒性氣體吸收劑及一阻隔構件之吸氣劑匣中,毒性氣體吸收劑由能夠與毒性及/或可燃氣體發生化學反應以吸收和消耗氣體從而產生固體反應產物的材料製成,且阻隔構件由可滲透毒性氣體但不能滲透毒性氣體吸收劑和固體產物的材料製成,阻隔構件設置在吸氣劑匣的底壁上並與毒性氣體吸收劑相鄰。
亦較佳地,毒性/可燃氣體吸收劑包括一主要反應成分。有許多可用於本發明的毒性/可燃氣體吸收劑材料,例如但不限於金屬,諸如銅、鋁、錳、鈉、鈣、鎂、鉀和它們各自的族群,諸如氧化物、氫氧化物、碳酸鹽、硫酸鹽、硫化物、醯胺、過錳酸鹽及其組合。吸收劑亦可由分散在高表面積吸收劑上的上述材料製成,諸如氧化鋁、二氧化矽、氧化鋯、分子篩、沸石、碳材料或金屬有機骨架。
附加的實施方式和特徵在隨後的敘述中闡述,且一部分對於本領域技術人員在檢視說明書時將變得顯而易見或可藉由所揭示之實施方式的實施而獲知。所揭示之實施方式的特徵及優點可藉由說明書中描述的手段、組合和方法來實現和獲得。
根據本發明,吸氣劑匣100最佳顯示於圖4,並可在圖2及圖3可見其安裝於汽缸閥門頸12之氣體排放通道內。匣100包含一外殼110,其包含一外殼體112、一外殼開口端114及一外殼封閉頂部116。外殼體112為大致圓柱形的外殼,具有外徑和內徑以及沿外殼體112之縱向軸線延伸通過開口端114的中空核心118,其接收並固定毒性/可燃氣體吸收劑124。較佳地,外殼體112可由以下構成:金屬,諸如不銹鋼、鋁、莫內爾合金(monel)、赫史持合金(hastelloy)和黃銅,或聚合物材料,諸如聚丙烯、聚醯亞胺、聚(醚醚酮)、PTFE、PFA氟碳化合物或ABS材料或不和將與匣100接觸之毒性及/或可燃氣體發生化學反應的一些其他材料。實質上,如圖5和圖6中最佳所示,藉由將毒性/可燃氣體吸收劑124導入外殼體112之中空核心118內,然後將端蓋126之定位環120插入外殼體112之開口端114來組裝吸氣劑匣100。
參照圖1,顯示用於容納和輸送毒性/可燃氣體G的汽缸包裝1的一部分,其包含與汽缸閥門6流體連通的氣缸筒或瓶2。氣缸筒2適於容納各種毒性及/或可燃氣體,諸如胂、磷化氫、三氟化硼、三氟化氮、二硼烷、鍺烷、矽烷、二矽烷、三矽烷、二氯矽烷、一氯矽烷、三氯矽烷、四氯矽烷、六氯二矽烷、四氟矽烷、三溴化硼、氨、六氟化鎢、四氯化鈦、六氟化硫、硫化羰、二鍺烷、肼、硒化氫、硫化氫、氯化氫、溴化氫、氟化氫、氯、氟、三氯化硼、一氧化碳、二氧化硫、臭氧、光氣,包括這些氣體與氫氣、氮氣或惰性平衡氣體的混合物。氣缸筒2具有形成在其頂壁中的一內螺紋開口4。
汽缸閥門6包含一閥門體8,其下部具有外螺紋。閥門體8可藉由將閥門體8的外螺紋與開口4的內螺紋螺紋嚙合而安裝在氣缸筒2上。
閥門體8亦包括穿過其中形成的軸向或垂直通道16,其可從閥門體8的頂部延伸至底部。當閥門體8附接至氣缸筒2的開口4時,此垂直通道16與氣缸筒2的內部連通。
汽缸閥門6進一步包括一手柄24。手柄24包含一旋轉構件26,該旋轉構件26抵靠於座組合件30的密封構件28上,並抵抗螺旋彈簧32的偏壓力使整個座組合件30向下移動,直至截流構件34坐落於肩部36上以關閉通道16上部的頂部開口。
閥門體8具有一汽缸閥門頸12,其從閥頸12向外延伸以界定用於水平氣體排放通道18的周壁。汽缸閥門頸12包括在其外端14處形成於其上的一外螺紋,從而防塵蓋20可附接至汽缸閥門6。水平氣體排放通道18之內端18’位於與垂直通道16相通的位置,而水平氣體排放通道18之外端在閥門體8之外端14處開口以界定一氣體出口18”。
如圖1中所示,當汽缸閥門6處於關閉位置時,即垂直通道16不與水平氣體排放通道18流體連通,且防塵蓋20固定至汽缸閥門頸12的外端14時,形成一空隙或腔室22。洩漏及/或釋放的毒性及/或可燃氣體將聚集在此空隙22中,這會對最終使用者在卸下防塵蓋20時構成危險。此外,如果氣體具有腐蝕性,尤其是存在濕氣時,會導致腐蝕和顆粒形成。通常,用於毒性及/或可燃氣體的汽缸閥門具有位於最水平氣體排放通道18之內端的內螺紋40,用於安裝限制流量孔口(RFO)。本發明設想以本發明之吸氣劑匣100臨時移除和替換RFO,從而允許吸收或反應掉少量毒性及/或可燃氣體,這些氣體是由水平氣體排放通道18的內周壁以及穿過由截流構件34形成的聚合物座(未顯示)的殘餘釋氣產生的。
在圖2中,本發明之吸氣劑匣100顯示安裝於汽缸包裝1之汽缸閥門6。在此實施方式中,毒性/可燃氣體G從垂直通道16穿過由截流構件34形成的聚合物座(未顯示)釋放至最水平氣體排放通道18的內端18’中,通過吸氣劑匣100的可滲透端蓋126引導進入外殼體112的開口端114,於此與毒性/可燃氣體吸收劑124反應或被其吸收。有許多可用於本發明的毒性/可燃氣體吸收劑材料 ,例如但不限於金屬,諸如銅、鋁、錳、鈉、鎂、鉀和它們各自的族群,諸如氧化物、氫氧化物、碳酸鹽、硫酸鹽、硫化物、醯胺、過錳酸鹽及其組合。這些材料亦可存在於高表面積吸收劑上,諸如氧化鋁、二氧化矽、碳、分子篩、沸石或金屬有機骨架。
現參照圖3、4及5,匣100較佳地,但並非必須由單塊剛性塑料材料模製而成,例如但不限於,不會與其必然接觸之毒性及/或可燃氣體發生化學反應的聚丙烯、聚醯亞胺、聚(醚醚酮)、PTFE、PFA氟碳化合物或ABS。或者,依據預期使用之氣體,匣100亦可由金屬製成,諸如不銹鋼、鋁或黃銅、莫內爾合金、赫史持合金。吸氣劑匣100包含一外殼110,其包含一外殼體112、一外殼開口端114及一外殼封閉頂部端116。外殼體112為大致圓柱形的外殼,具有一外徑和一內徑以及接收並固定毒性/可燃氣體吸收劑124的一中空核心118。較佳地,外殼體112將具有遠端和近端,各為112’及112”,其中遠端112’之外徑小於近端112”之外徑,此導致形成從遠端112'的側壁徑向向外延伸到形成用於接收墊圈140之近端112''的側壁的環形座面或肩部138。墊圈140的目的在於為吸氣劑匣以及氣體排放路徑提供保護,因此墊圈140可存在也可以不存在。墊圈140可由不與包含在氣缸筒2中的毒性及/或可燃氣體發生化學反應的材料製成,特別是由不與毒性及/或可燃氣體發生化學反應以降解墊圈140的材料製成。依據氣缸筒2中所含的毒性及/或可燃氣體G,墊圈140的材料可選自,例如但不限於,氯乙烯、四氟化物、三氟化物、Viton ®、Kalrez ®及PTFE之聚合物樹脂以及各種金屬之族群。
現參照圖6,外殼開口端114較佳地具有比中空核心118的內徑稍大的內徑,其導致形成支撐端蓋126的定位環120的座面119。端蓋126包括形成在其中心的通孔,形成環形邊緣頂表面128,允許可滲透毒性及/或可燃氣體G而不可滲透毒性/可燃氣體吸收劑124之阻隔構件130及由毒性/可燃氣體吸收劑124產生之固體產物放置在其中。較佳地,阻隔構件130具有一定程度的強度。例如,阻隔構件較佳地由多孔不銹鋼的燒結板形成。定位環120較佳地與外殼開口端114的內表面完美相匹配,從而使這兩個表面配合形成可靠的密封成為密封表面。此外,可增加可選擇的附接裝置,諸如卡入外殼開口端114上表面中凹槽123的外凸緣122邊緣,以進一步固定至端蓋126,或者可使用扣環(未顯示)來定位端蓋126。或者,外螺紋(未顯示)可被定位在凸緣定位環120的邊緣周圍。然後藉由將邊緣120的外螺紋部分擰入外殼端114中的內螺紋開口(未顯示)中,來可拆卸地附接端蓋126。在另一實施方式中,設想在以吸收劑材料124填充匣時,若匣是由諸如鋁的較軟材料製成(反之亦然),則可使用加壓機將阻隔構件130簡易地推入/形變進入開口端114,因此端蓋將不是必需的,因為阻隔構件130將擔負該功能。
為了完成吸氣劑匣100的組合件,如圖5和6中最佳所示,首先將毒性/可燃氣體吸收劑124導入外殼體112的中空核心118中。隨後將端蓋126的定位環120插入外殼主體112的開口端114,直到定位環120的前緣121位於座面119上,並且蓋凸緣122的下表面125與開口端114的凹槽123接觸。諸如熱熔膠之類的黏合劑可進一步施加至凹槽123,以便當帽凸緣122的下表面125接觸時,形成密封,從而進一步將端蓋126固定在適當位置。
較佳的吸氣劑匣外殼110將具有密封構件,諸如圍繞近端112”的外表面定位的外螺紋132,從而允許匣100藉由與水平氣體排放通道18的內螺紋40配合而可拆卸地定位。然而,在水平氣體排放通道18中沒有內螺紋的情況下,可增加可選擇的附接裝置,諸如圍繞近端112”之外表面的定位O形環(未顯示)來替代螺紋。或者,可將熱塑性肋條共同模製到近端112”的外表面中,從而不需要使用O形環。或者,可將肋條切割或模製成金屬近端112”。
如前所述,外殼體110被模製或機械製成一整體件,且外殼封閉頂部116被模製成具有如圖7所示形成在其中以容納用於插入和移除吸氣劑盒100的扳手(諸如六角扳手)的4、6或12角承座117。或者,外殼封閉頂部116被模製以容納十字頭螺絲刀、平頭螺絲刀或用於在氣體排放通道18的喉部中固定和移除吸氣劑匣100的一些其他裝置。一旦吸氣劑匣100被固定至水平氣體排放通道18中,直徑索引安全標準(Diameter Index Safety Standard,DISS)墊片44可放置於匣100的頂部,與圓環面42接觸,並且由於亦包含圓環面41的防塵蓋20被固定到位,DISS墊片44被圓環面41及42凹進而形成面密封。
在一個替代的實施方式中,如圖8中所顯示,吸氣劑筒200具有一外殼210,外殼210包含具有大致圓柱形外殼的一外殼體或套筒213,該外殼具有一外徑和一內徑,以及一軸向孔或套筒孔218延伸穿過其中,分別形成用於接收端蓋226及頂蓋236的開放的遠端214和開放的近端216,從而封閉套筒孔218。較佳地,外殼體213將具有中心部分212,其兩側分別為遠端212’及近端212”,其中遠端212’及近端212”的外徑分別小於中心部分212的外徑,這導致形成兩個環形座面或肩部220及222,它們分別從遠端212’及近端212”的側壁徑向向外延伸至形成中心部分212的側壁。肩部220容納墊圈240,而肩部222容納連接至防塵蓋的DISS墊片242,如前所述,當防塵蓋被擰緊到位時,圓環面(未示出)形成密封面。外殼開口遠端214及開口近端216較佳地具有比軸向孔218的內徑稍大的內徑,此導致在兩端形成支撐端蓋226及頂蓋236的定位環(未顯示)的座面(未顯示)。端蓋226及頂蓋236都包括軸向孔,該等軸向孔形成分別容許阻隔構件230和234的環形邊緣頂部表面,該阻隔構件230和234可滲透毒性及/或可燃氣體而不可滲透毒性/可燃氣體吸收劑224及被定位在其中的由毒性/可燃氣體吸收劑224所產生的固體產物。有許多可用於本發明的毒性/可燃氣體吸收劑材料,例如但不限於金屬,諸如諸如銅、鋁、錳、鈉、鈣、鎂、鉀和它們各自的族群,諸如氧化物、氫氧化物、碳酸鹽、硫酸鹽、硫化物、醯胺、過錳酸鹽及其組合。這些材料亦可存在於高表面積吸收劑上,諸如氧化鋁、二氧化矽、碳、分子篩、沸石或金屬有機骨架。較加地,阻隔構件230及234具有一定程度的強度。例如,阻隔構件較佳地可由不銹鋼燒結板形成。在以吸收劑材料224填充匣之後,若匣是由諸如鋁的較軟材料製成(反之亦然),則可使用加壓機將阻隔構件230和234簡易地推入/形變進入匣主體中。端蓋226和頂蓋236的定位環較佳地分別與外殼開口遠端214和開口近端216的內表面完美匹配,使得這兩個表面成為密封表面,配合形成可靠的密封。此外,可增加可選擇的附接裝置,諸如卡入外殼體213的凸緣上表面(未顯示)中之凹槽的外凸緣(未顯示)邊緣,以進一步固定至端蓋226和頂蓋236。或者,外螺紋(未顯示)可定位在凸緣定位環的邊緣周圍。然後可藉由將定位環的外螺紋部分旋入外殼開口遠端214和開口近端216中的內螺紋開口(未顯示)中而可移除地附接端蓋226及頂蓋236。
遠端212”可為圓柱形的;然而,將側面加工成矩形可為有利的,以便可使用套筒或扳手將吸氣劑匣200牢固地擰入到位。
以下將描述吸氣劑匣100的操作。在汽缸閥門6處於其關閉位置的情況下,本發明的吸氣劑匣100被固定在水平氣體排放通道18中,且防塵蓋20被牢固地定位於汽缸閥門頸12上,形成空隙22。通過從水平氣體排放通道18的內周壁以及從垂直通道16穿過聚合物座的逐漸除氣,將在空隙22中形成毒性及/或可燃氣體,其暫時已被水平氣體排放通道18的內周壁吸附。毒性及/或可燃氣體通過出口蓋126的阻隔構件130滲透至毒性/可燃氣體吸收劑124。然後毒性/可燃氣體吸收劑124吸收毒性及/或可燃氣體,從而導致形成固體產物。固體產物不能移動通過阻隔構件130。因此,即使從汽缸閥門6上取下防塵蓋20,毒性氣體也不會從汽缸閥門6向外擴散。
此外,上述實施方式中的毒性/可燃氣體吸收劑124可包括至少可以吸收水分且較佳地除了水分之外還可吸收毒性氣體及/或可燃氣體的材料,例如分子篩、沸石、氧化鋁或活性炭。此實例的優點在於毒性/可燃氣體吸收劑124可保持其與毒性氣體反應所產生的水。此外,藉由如上述實施方式中的化學反應吸收毒性及/或可燃氣體的毒性/可燃氣體吸收劑124可被替代,例如,由一種至少能吸收毒性及/或可燃氣體的材料,較佳地除了毒性氣體外還可吸收水分的材料所製成的毒性/可燃氣體吸收劑替代,該材料可例如分子篩、沸石、氧化鋁或活性炭。特佳為由所列之材料中的任何一種製成的毒性氣體吸附劑,因為其不僅可吸收毒性及/或可燃氣體,還可以吸收氣體排放通道內空氣中所含的任何水分。水平氣體排放通道18內的空氣中所含的水分會腐蝕水平氣體排放通道18的金屬表面,產生腐蝕反應物,當使用毒性及/或可燃氣體毒時,該腐蝕反應物轉而會降低毒性及/或可燃氣體的純度。
前面的描述被認為是僅對本發明原理的說明。當在本說明書和後附的申請專利範圍中使用時,詞語「包含」、「含」、「包括」、「含有」及「有」旨在特定一個或多個所述特徵、整數、組件或步驟的存在,但不排除存在或增加一個或多個其他特徵、整數、組件、步驟或其之組合。此外,由於本領域技術人員將可容易地進行許多修改和變化,因此不希望將本發明限制於上述的確切構造和方法。因此,所有合適的修改和等效物皆可訴諸於落入由後附申請專利範圍所限定之本發明的範圍內。
在整個說明書中對「一個實施方式」、「某些實施方式」、「一個或多個實施方式」或「一實施方式」的引用意指以結合實施方式描述的特定特徵、結構、材料或特性被包括於本發明的至少一個實施例中。因此, 在整個說明書中各個地方出現諸如「在一個或多個實施方式中」、「在某些實施方式中」、「在一個實施方式中」或「在一實施方式中」的詞語不一定是指本發明的相同實施方式。此外,特定特徵、結構、材料或特性可在一個或多個實施方式中以任何合適的方式組合。
除非另有定義,否則本文使用的所有技術和科學術語具有如本發明所屬技術領域中具有普通知識者通常理解的相同含義。儘管在本發明的實施中可使用與本文描述的那些相似或等效的許多方法和材料,但本文描述了根據一些實施方式的材料和方法。儘管本發明已經根據其某些較佳實施方式在本文中進行了詳細描述,但是本領域技術人員可對其進行許多修改和變化。無需進一步詳細說明,相信本領域的技術人員可使用上述描述充分利用本發明。
已揭示了數個實施方式,本領域技術人員將認識到,在不背離所揭示實施方式之精神的情況下,可使用各種修改、替代構造和等效物。此外,為了避免不必要地混淆本發明,沒有描述許多熟知的方法和元件。因此,以上描述不應作為限制本發明的範圍。
如本文和所附之申請專利範圍中使用的,單數形式「一」、「一種」和「該」包括複數指示物,除非上下文另有明確規定。
1:汽缸包裝 2:氣缸筒 4:開口 6:汽缸閥門 8:閥門體 12:汽缸閥門頸 14:外端 16:通道 18:水平氣體排放通道 18’:內端 18”:氣體出口 20:防塵蓋 22:空隙 24:手柄 26:旋轉構件 28:密封構件 30:座組合件 32:螺旋彈簧 34:截流構件 36:肩部 40:內螺紋 41:圓環面 42:圓環面 44:DISS墊片 100:吸氣劑匣 110:外殼 112:外殼體 112’:遠端 112”:近端 114:開口端 116:封閉頂部 117:承座 118:中空核心 119:座面 120:定位環 121:前緣 122:凸緣 123:凹槽 124:毒性/可燃氣體吸收劑 125:下表面 126:端蓋 128:環形邊緣頂表面 130:阻隔構件 132:外螺紋 140:墊圈 200:吸氣劑筒 210:外殼 212:中心部分 212’:遠端 212”:近端 214:遠端 216:近端 218:軸向孔、套筒孔 220:肩部 222:肩部 224:毒性/可燃氣體吸收劑 226:端蓋 230:阻隔構件 234:阻隔構件 236:頂蓋 240:墊圈 242:DISS墊片 G:毒性/可燃氣體
被併入並形成說明書之一部分的圖式說明了本發明的較佳實施方式,並與發明說明一起用於解釋本發明的原理。
圖1為汽缸包裝的部分放大剖面圖,該汽缸包裝具有容納根據本發明一實施方式的吸氣劑匣的氣體排放通道。
圖2為汽缸包裝的部分放大剖面圖,其中根據本發明的一實施方式的吸氣劑筒被安裝在汽缸閥門的氣體排放通道內。
圖3為根據本發明的位於圖2中虛線所示氣體排放通道內的吸氣劑匣的放大詳細圖。
圖4為本發明的吸氣劑匣的立體圖。
圖5為沿圖4的5-5線截取的本發明吸氣劑盒的剖面圖。
圖6為本發明之吸氣劑匣的分解側視圖。
圖7為本發明之吸氣劑匣的俯視圖。
圖8為顯示本發明另外的實施方式的另一剖面圖。
1:汽缸包裝
2:氣缸筒
4:開口
6:汽缸閥門
8:閥門體
12:汽缸閥門頸
14:外端
16:通道
18:水平氣體排放通道
18’:內端
18”:氣體出口
20:防塵蓋
22:空隙
24:手柄
26:旋轉構件
28:密封構件
30:座組合件
32:螺旋彈簧
34:截流構件
36:肩部
40:內螺紋
G:毒性/可燃氣體

Claims (13)

  1. 一種吸氣劑匣,其用於可操作地耦合至安裝在一汽缸包裝上的一汽缸閥門的一氣體排放通道,該汽缸包裝含有毒性及/或可燃氣體,該吸氣劑匣包含: 一匣外殼,其具有一開口端及一封閉的頂端,及沿外殼縱向軸線延伸穿過該開口端的一中心核心; 一吸收裝置,其包含於該匣外殼內的該開口端與該封閉頂端之間; 一端蓋,覆蓋該匣外殼的開口端,其具有形成於中心的通孔; 一定位環,從該端蓋延伸,該定位環適於被配置為被該開口端接收; 一阻隔構件,位於該中心形成的孔內,其可滲透該氣體,並與過濾介質流體連通;及 一密封構件,從該外殼體延伸沿外緣設置,當該吸氣劑匣安裝在該汽缸閥門中時,該密封構件被配置為密封抵靠該氣體排放通道的內表面。
  2. 如請求項1所述之裝置,其中該吸收裝置由氣體吸收劑材料組成,該氣體吸收劑材料與該氣體化學反應以消耗該氣體,從而產生對於該阻隔構件不可滲透的固體產物,該阻隔構件對於該氣體是可滲透的而對於毒性氣體吸收劑及所產生的反應物是不可滲透的。
  3. 如請求項2所述之裝置,其中該氣體吸收劑包含金屬,諸如銅、鋁、錳、鈉、鈣、鎂、鉀和它們各自的族群,諸如氧化物、氫氧化物、碳酸鹽、硫酸鹽、硫化物、醯胺、過錳酸鹽及其組合。
  4. 如請求項3所述之裝置,其中該氣體吸收劑進一步包括用於留置該金屬之高表面積吸收劑,諸如氧化鋁、二氧化矽、碳、分子篩、沸石或金屬有機骨架。
  5. 如請求項1所述之裝置,其中在該封閉的頂端內形成一承座,用於接合一扳手。
  6. 如請求項1所述之裝置,其中該外殼體包含一近端及一遠端,其中位於該近端外表面上的該密封構件包含螺紋,該螺紋與位於該氣體排放通道內的內螺紋相配合。
  7. 如請求項1所述之裝置,其中該外殼體包含一近端及一遠端,其中位於該近端外表面上的該定位構件包含O形環,該O形環適合無螺紋的該氣體排放通道的周壁。
  8. 如請求項1所述之裝置,其中該吸收裝置由吸收該氣體的氣體吸收劑材料組成。
  9. 如請求項1所述之裝置,其中該近端的直徑小於該遠端的直徑,導致形成徑向向外延伸的一環形座面,用於接收將吸氣劑匣安置在該氣體排放通道內的一墊圈。
  10. 一種吸氣劑匣,其用於可操作地耦合至安裝在一汽缸包裝上的一汽缸閥門的一氣體排放通道,該汽缸包裝含有毒性及/或可燃氣體,該吸氣劑匣包含: 一匣外殼,其具有一第一端及一第二端,及沿外殼縱向軸線延伸穿過該第一端及該第二端的一孔; 一過濾介質,其包含於該第一端及該第二端之間的該孔內; 一第一端蓋,覆蓋該匣外殼的該第一端; 一第一端蓋,覆蓋該匣外殼的該第一端,其具有形成於中心的通孔; 一定位環,從該第一端蓋延伸,該定位環適於被配置為被該第一端接收; 一第二端蓋,覆蓋該匣外殼的該第二端; 一第二端蓋,覆蓋該匣外殼的該第二端,其具有形成於中心的通孔; 一定位環,從該第二端蓋延伸,該定位環適於被配置為被該第二端接收;及 一阻隔構件,位於該中心形成的孔內,其可滲透該氣體,並與該過濾介質流體連通。
  11. 如請求項10所述之裝置,其中該吸收裝置由氣體吸收劑材料組成,該氣體吸收劑材料與該氣體化學反應以消耗該氣體,從而產生對於該阻隔構件不可滲透的固體產物,該阻隔構件對於該氣體是可滲透的而對於毒性氣體吸收劑及所產生的反應物是不可滲透的。
  12. 如請求項11所述之裝置,其中該氣體吸收劑具有主要的反應成分,該反應成分包含金屬,諸如銅、鋁、錳、鈉、鈣、鎂、鉀和它們各自的族群,諸如氧化物、氫氧化物、碳酸鹽、硫酸鹽、硫化物、醯胺、過錳酸鹽及其組合。
  13. 如請求項3所述之裝置,其中該氣體吸收劑進一步包括用於留置該金屬之高表面積吸收劑,諸如氧化鋁、二氧化矽、碳、分子篩、沸石或金屬有機骨架。
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