US20050245188A1 - Biological safety cabinet - Google Patents
Biological safety cabinet Download PDFInfo
- Publication number
- US20050245188A1 US20050245188A1 US11/113,972 US11397205A US2005245188A1 US 20050245188 A1 US20050245188 A1 US 20050245188A1 US 11397205 A US11397205 A US 11397205A US 2005245188 A1 US2005245188 A1 US 2005245188A1
- Authority
- US
- United States
- Prior art keywords
- biological safety
- safety cabinet
- cabinet
- disposed
- soft material
- 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.)
- Abandoned
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
- B08B15/023—Fume cabinets or cupboards, e.g. for laboratories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
- F24F3/163—Clean air work stations, i.e. selected areas within a space which filtered air is passed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2215/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B2215/003—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area with the assistance of blowing nozzles
Definitions
- FIG. 1 b shows an inner structure of conventional biological safety cabinet 10 which further comprises a blower 18 and an air chamber 23 , disposed in cabinet body 11 .
- blower 18 blows, air is deflected on an inner wall 22 of air chamber 23 and disturbed and some of the air passes a filter 20 and enters experiment chamber 17 from air chamber 23 . The remainder of the air passes a filter 24 and is exhausted from outlet 21 .
- a three-way pipe 19 is connected to air chamber 23 , wherein first pipe portion 14 monitors particle density in air chamber 23 , and second pipe portion 15 monitors pressure in air chamber 23 .
- FIG. 8 c is a sectional view along line D-D of FIG. 8 b;
- FIG. 3 b is a side view of the airflow system of the biological safety cabinet 100 .
- the gate 130 When the gate 130 is opened, air is impelled through the inlet 121 and an inner wall of the experiment chamber 120 , flows along path 123 , enters the blower 150 through a blower inlet 152 and is impelled to the soft material chamber 160 by the blower 150 .
- FIG. 4 a shows a gate system of the invention, detecting position of the gate 130 , which comprises a first detector 131 , a second detector 132 , a weight 133 and a transmission mechanism 136 .
- the transmission mechanism 136 comprises a line 134 and a pulley block 135 .
- the line 134 is connected to the gate 130 and the weight 133 running through the pulley block 135 .
- the first detector 131 , the second detector 132 , the weight 133 and the transmission mechanism 136 are disposed in the cabinet body 110 .
- FIG. 7 a is an enlarged view of a portion A in FIG. 6 .
- the biological safety cabinet 100 ′ further comprises a first frame 240 and a second frame 250 .
- the soft material chamber 160 is fixed on the first frame 240 .
- the first filter 171 is fixed on the second frame 250 .
- the second frame 250 is fixed on an inner side of the cabinet body.
- the soft material chamber 160 is pre-fixed on the first frame 40 in a soft material chamber fabrication.
- a plurality of bolts 241 detachably connect the first flange 242 and the second flange 254 through the second flange openings 253 to connect the first frame 240 and the second frame 250 thus, the first filter 171 and the soft material chamber 160 are connected thereby.
Abstract
A biological safety cabinet comprises a cabinet body, an experiment chamber, a blower, and a soft material chamber. The cabinet body is cuboid and comprises a first elongated side. The experiment chamber is disposed in the cabinet body. The blower impels air in a direction parallel to the first elongated side. The soft material chamber is connected to the blower, wherein air flows from the blower through the soft material chamber and into the experiment chamber.
Description
- The invention relates to a biological safety cabinet, and more particularly to an easily combined and completely sealed biological safety cabinet.
-
FIG. 1 a shows a conventionalbiological safety cabinet 10 which comprises acabinet body 11, anexperiment chamber 17 and agate 16.Gate 16 slides ingrooves 13 to open andclose experiment chamber 17. Alimit switch 12 is disposed ingrooves 13 to detect the position ofgate 16. Afirst pipe portion 14 and asecond pipe portion 15 extend fromcabinet body 11. Anoutlet 21 is formed oncabinet body 11 for exhaust. -
FIG. 1 b shows an inner structure of conventionalbiological safety cabinet 10 which further comprises ablower 18 and anair chamber 23, disposed incabinet body 11. When blower 18 blows, air is deflected on aninner wall 22 ofair chamber 23 and disturbed and some of the air passes afilter 20 and entersexperiment chamber 17 fromair chamber 23. The remainder of the air passes afilter 24 and is exhausted fromoutlet 21. A three-way pipe 19 is connected toair chamber 23, whereinfirst pipe portion 14 monitors particle density inair chamber 23, andsecond pipe portion 15 monitors pressure inair chamber 23. - However, conventional
biological safety cabinet 10 has shortcomings as follows. First, flow rate of the air blown byblower 18 is very high such that disturbing the air withinner wall 22 ofair chamber 23 decreases uniformity of the flow rate. Second,limit switch 12 is disposed ingrooves 13, which decreases the air sealing effect ofgate 16. Additionally,limit switch 12 is difficult to clean, maintain and dispose. As well,first pipe portion 14 andsecond pipe portion 15 pass through two openings ofcabinet body 11, which decrease the air sealing effect ofcabinet body 11. - According to the present invention, a biological safety cabinet is provided. The biological safety cabinet comprises a cabinet body, an experiment chamber, a blower, and a soft material chamber. The cabinet body is cuboid and comprises a first elongated side. The experiment chamber is disposed in the cabinet body. The blower impels air in a direction parallel to the first elongated side. The soft material chamber is connected to the blower, wherein air flows from the blower through the soft material chamber and into the experiment chamber.
- With the inclined blowing direction and the soft material chamber of the invention, the air flows according to a shape of the soft material chamber and is deflected to the disturbing portion. Thus, the invention provides uniform flow rate past the second filter, and uniform vertical airflow under the second filter.
- The invention will be more fully understood from the following detailed description and the accompanying drawings, given by the way of illustration only and thus not intended to limit the disclosure.
-
FIG. 1 a shows a conventional biological safety cabinet; -
FIG. 1 b shows an inner structure of the conventional biological safety cabinet; -
FIG. 2 shows a biological safety cabinet of the invention; -
FIG. 3 a is a front view of an airflow system of the biological safety cabinet; -
FIG. 3 b is a side view of an airflow system of the biological safety cabinet; -
FIG. 4 a shows a gate of the invention in a first position; -
FIG. 4 b shows the gate in a second position; -
FIG. 4 c shows the gate between the first and second positions; -
FIG. 5 shows an air detection system of the invention; -
FIG. 6 shows a biological safety cabinet of another embodiment of the invention; -
FIG. 7 a is an enlarged view of portion A ofFIG. 6 ; -
FIG. 7 b is an exploded view of the structure ofFIG. 7 a; -
FIG. 7 c shows a bolt in a pass portion; -
FIG. 7 d shows a bolt in a fixed portion; -
FIG. 8 a and 8 b show detailed structure of portion B ofFIG. 6 ; -
FIG. 8 c is a sectional view along line D-D ofFIG. 8 b; -
FIG. 9 a is an enlarged view of a portion C ofFIG. 6 ; -
FIG. 9 b is an exploded view of the structure ofFIG. 9 a. -
FIG. 2 shows abiological safety cabinet 100 of the invention, which comprises acabinet body 110, a UV light source (not shown) and anexperiment chamber 120. Theexperiment chamber 120 is disposed in thecabinet body 110. The UV light source is disposed in theexperiment chamber 120 to provide disinfection thereof. Agate 130 opens and closes awindow 124 of theexperiment chamber 120. Anair inlet 121 is disposed in theexperiment chamber 120. Amanometer 146 is disposed on the cabinet body. Asecond pipe portion 142 extends from thecabinet body 110. Thecabinet body 110 is cuboid and comprises a firstelongated side 112. Anoutlet 111 is formed on a top of thecabinet body 110 providing air exhaust. -
FIG. 3 a is a front view of an airflow system of thebiological safety cabinet 100, which comprises ablower 150, afirst filter 171, asecond filter 172, asoft material chamber 160,air inlet 121 andair outlet 111. Theblower 150 comprises ablower outlet 151 and thesoft material chamber 160 connects to theblower outlet 151. - Blower 150 impels airflow to the
soft material chamber 160 in a direction parallel to the firstelongated side 112, and counterclockwise declined 15° with respect to a horizontal plane. The air is deflected on adisturbing portion 161 and disturbed. Air passes thefirst filter 171 and is exhausted through air outlet ill. The remaining air passes thesecond filter 172 and enters theexperiment chamber 120. -
FIG. 3 b is a side view of the airflow system of thebiological safety cabinet 100. When thegate 130 is opened, air is impelled through theinlet 121 and an inner wall of theexperiment chamber 120, flows alongpath 123, enters theblower 150 through ablower inlet 152 and is impelled to thesoft material chamber 160 by theblower 150. - The
soft material chamber 160 is made of canvas. - With the inclined blowing direction and the soft material chamber of the invention, air flows according to the shape of the soft material chamber and is deflected on the disturbing portion. Thus, the invention provides uniform flow rate past the second filter, and uniform vertical airflow under the second filter.
-
FIG. 4 a shows a gate system of the invention, detecting position of thegate 130, which comprises afirst detector 131, asecond detector 132, aweight 133 and atransmission mechanism 136. Thetransmission mechanism 136 comprises aline 134 and apulley block 135. Theline 134 is connected to thegate 130 and theweight 133 running through thepulley block 135. Thefirst detector 131, thesecond detector 132, theweight 133 and thetransmission mechanism 136 are disposed in thecabinet body 110. When thegate 130 is in a first position, the window of theexperiment chamber 120 is closed, and theweight 133 contacts thefirst detector 131 in a first position. Thefirst detector 131 emits a first detection signal to a controller (not shown). The controller shuts down the blower and activates the UV light source. - As shown in
FIG. 4 b, when thegate 130 is in a second position, thewindow 124 of theexperiment chamber 120 is opened, and theweight 133 contacts thesecond detector 132 in a second position. Thesecond detector 132 delivers a second detection signal to activate an alarm (not shown) outputting a warning signal. - As shown on
FIG. 4 c, when thegate 130 is between the first and second positions, theweight 133 is separated from thefirst detector 131 and thesecond detector 132. The controller activates the blower and shuts down the UV light source. - The gate detection system and the controller of the invention prevent the UV light source from activating during an experiment, avoiding UV damage to users and biological samples.
- The
first detector 131 and thesecond detector 132 are limit switches or other detectors (for example, optical detector) which detect the position of the weight. The invention removes the limit switch from the groove to improve an air seal effect of the gate. Thus, the groove is cleaned more easily. -
FIG. 5 shows an air detection system of the invention, which comprises a three-way pipe 140, amanometer 146 and a particledensity detection device 145. The three-way pipe 140 has afirst portion 141, asecond portion 142 and athird portion 143. The first portion extends from thesoft material chamber 160, exitingcabinet body 110 through theopening 144. The particledensity detection device 145 is connected to the second portion to monitor particle density of the air in thesoft material chamber 160. Themanometer 146 is connected to thethird portion 143 to measure pressure of the air in thesoft material chamber 160. - The
cabinet body 110 has only oneopening 144 for thefirst portion 141, such that the air seal effect of thecabinet body 110 is improved. -
FIG. 6 shows abiological safety cabinet 100′ of another embodiment of the invention, which comprises afirst filter 171, asecond filter 172, asoft material 160, ablower 150, acabinet body 110 and anexperiment chamber 120. -
FIG. 7 a is an enlarged view of a portion A inFIG. 6 . Thebiological safety cabinet 100′ further comprises afirst frame 240 and asecond frame 250. Thesoft material chamber 160 is fixed on thefirst frame 240. Thefirst filter 171 is fixed on thesecond frame 250. Thesecond frame 250 is fixed on an inner side of the cabinet body. Thesoft material chamber 160 is pre-fixed on the first frame 40 in a soft material chamber fabrication. - With reference to
FIG. 7 b, thefirst frame 240 has a first frame body 243 and afirst flange 242. Thefirst flange 242 is disposed on an end surface of the first frame body 243. Thesecond frame 250 has a second frame body 252 and asecond flange 254. Thesecond flange 254 is disposed on an end surface of the second frame body 252. A plurality ofsecond flange openings 253 are formed on thesecond flange 254. Thesoft material chamber 160 is fixed to an outer surface of the first frame body 243 and fastened by bolts 244. - A plurality of
bolts 241 detachably connect thefirst flange 242 and thesecond flange 254 through thesecond flange openings 253 to connect thefirst frame 240 and thesecond frame 250 thus, thefirst filter 171 and thesoft material chamber 160 are connected thereby. - As shown in
FIG. 7 c, the second flange opening 253 comprises apass portion 532 and a fixedportion 531. Thepass portion 532 is circular. The fixedportion 531 is longitudinal. A diameter of thepass portion 532 exceeds the width of the fixedportion 531. Thepass portion 532 is close to the fixedportion 531. When thefirst frame 240 and thesecond frame 250 are assembled, as shown inFIG. 7 b, thebolts 241 are pre-disposed on thefirst flange 242, and thesoft material chamber 160 is pre-connected to the first frame 40 in the soft material chamber fabrication. Then, as thefirst frame 240 is raised, thebolts 241 pass thepass portions 532. As shown inFIG. 7 c, thefirst frame 240 moves in a direction indicated by the arrow inFIG. 7 c to move the bolts to the fixed portions, as shown inFIG. 7 d. Finally, thebolts 241 are fixed to firmly assemble thefirst frame 240 and thesecond frame 250 to, as shown inFIG. 7 a, connect thesoft material chamber 160 and thefirst filter 171. -
FIG. 8 a shows detailed structure of portion B ofFIG. 6 of the invention. As shown inFIGS. 6 and 8 a, theblower 150 is connected to thecabinet body 110 with abuffer structure 300. Thebuffer structure 300 comprises afirst combination element 310, asecond combination element 320 and abuffer element 311. Thefirst combination element 310 is substantially a U-shaped plate. Thesecond combination element 320 is an L-shaped plate. Thebuffer element 311 is rubber. As shown inFIG. 8 b, thefirst combination elements 310 are fixed on an inner surface of the cabinet body (not shown). Thesecond combination elements 320 are fixed on theblower 150. Thebuffer elements 311 are disposed between thefirst combination elements 310 and thesecond combination elements 320. InFIG. 8 c, a sectional view along line D-D ofFIG. 8 b, thebuffer element 311 comprises a flat portion 1111 and aprotrusion 1112. Theprotrusion 1112 is disposed on a central portion of the flat portion 1111. Thefirst combination element 310 is connected to the flat portion 1111 bybolts 312. Thesecond combination element 320 is connected to theprotrusion 1112 bybolts 321. - With the
buffer structure 300 of the invention, vibration of theblower 150 is absorbed by thebuffer elements 311 preventing transmission thereof to thecabinet body 110. An air seal effect of thebiological safety cabinet 100′ is therefore improved and the life thereof is extended. - Additionally, with reference to
FIG. 8 a, theblower 150 is connected to the soft material chamber (not shown) with theframe 330,openings 331,flange 340 andbolts 341. The soft material chamber is fixed to theframe 330. -
FIG. 9 a is an enlarged view of portion C ofFIG. 6 . With reference toFIGS. 9 a and 9 b, thesecond filter 172 is cuboid, comprising a mean surface and four side surfaces. A plurality ofholes 472 are formed on the mean surface. Thesoft material chamber 160 is fixed to the side surfaces of thesecond filter 172.Limitation structures 426 are disposed on thesecond filter 172 close to the four sides of thesecond filter 172. Thelimitation structures 426 abut thesoft material chamber 160 on thesecond filter 172 to prevent separation from thesecond filter 172. - While the invention has been described by way of example and in terms of preferred embodiment, it is to be understood that the invention is not limited thereto. To the contrary, it is intended to cover various modifications and similar arrangements (as would be apparent to those skilled in the art). Therefore, the scope of the appended claims should be accorded the broadest interpretation to encompass all such modifications and similar arrangements.
Claims (29)
1. A biological safety cabinet, comprising:
a cabinet body;
a soft material chamber;
a first frame, comprising a first body and a first flange disposed thereon, wherein the soft material chamber is fixed to the first body; and
a second frame, disposed in the cabinet chamber, comprising a second body and a second flange disposed thereon, wherein the first frame is detachably connected to the second frame.
2. The biological safety cabinet as claimed in claim 1 , wherein the soft material chamber is fixed to the first body.
3. The biological safety cabinet as claimed in claim 2 , wherein the soft material chamber is further fastened to the first body by a plurality of bolts.
4. The biological safety cabinet as claimed in claim 1 , wherein the first flange is disposed on an end surface of the first body.
5. The biological safety cabinet as claimed in claim 1 , wherein the second flange is disposed on an end surface of the second body.
6. The biological safety cabinet as claimed in claim 1 , wherein the first flange is connected to the second flange.
7. The biological safety cabinet as claimed in claim 6 , further comprising a plurality of bolts, connecting the first flange to the second flange.
8. The biological safety cabinet as claimed in claim 7 , further comprising at least one second opening, disposed on the second flange, wherein the bolts pass the second opening and connect the first flange to the second flange
9. The biological safety cabinet as claimed in claim 8 , wherein the second opening comprises a pass portion and a fixed portion, the fixed portion is close to the pass portion, the fixed portion is circular, the fixed portion is longitudinal, and a diameter of the pass portion exceeds the width of the fixed portion.
10. A biological safety cabinet, comprising:
a cabinet body;
a blower;
a first combination element, disposed on the cabinet body;
a second combination element, disposed on the blower; and
a buffer element, disposed between the first combination element and the second combination element, and contacting the first combination element and the second combination element.
11. The biological safety cabinet as claimed in claim 10 , wherein the first combination element is substantially a U-shaped plate.
12. The biological safety cabinet as claimed in claim 10 , wherein the second combination element is an L-shaped plate.
13. The biological safety cabinet as claimed in claim 10 , wherein the first combination element and the second combination element are connected to the buffer element by bolts.
14. The biological safety cabinet as claimed in claim 10 , wherein the buffer element is made of rubber.
15. A biological safety cabinet, comprising:
a cabinet body, cuboid and comprising a first elongated side;
an experiment chamber, disposed in the cabinet body;
a blower, whereby air is impelled in a direction parallel to the first elongated side; and
a soft material chamber, connected to the blower, wherein air flows through the soft material chamber and into the experiment chamber.
16. The biological safety cabinet as claimed in claim 15 , wherein the direction is counterclockwise declined 15° with respect to a horizontal plane.
17. The biological safety cabinet as claimed in claim 15 , wherein the soft material chamber comprises a disturbing portion, corresponding to the blower to disturb the air.
18. The biological safety cabinet as claimed in claim 15 , wherein the soft material chamber is made of canvas.
19. A biological safety cabinet, comprising:
a cabinet body;
an experiment chamber, disposed in the cabinet body, wherein the experiment chamber comprises a window;
a blower, disposed in the cabinet body and impelling air to the experiment chamber;
a gate, disposed on the cabinet body, wherein when the gate is in a first position, the window is closed, and when the gate is in a second position, the window is opened;
a transmission mechanism, connected to the gate;
a weight, connected to the transmission mechanism, wherein when the gate is in the first position, the weight is in a first position, and when the gate is in the second position, the weight is in a second position;
a controller; and
a detection device, detecting the position of the weight, and transmitting a signal to the controller, wherein the controller activates the blower according to the signal.
20. The biological safety cabinet as claimed in claim 19 , wherein when the gate is in the first position, the blower is deactivated.
21. The biological safety cabinet as claimed in claim 19 , wherein when the gate is between the first position and the second position, the blower is activated.
22. The biological safety cabinet as claimed in claim 19 , wherein when the gate is in the second position, an alarm is activated.
23. The biological safety cabinet as claimed in claim 19 , further comprising a UV light source, disposed in the experiment chamber, wherein the controller activates the UV light source according to the signal.
24. The biological safety cabinet as claimed in claim 23 , wherein when the gate is in the first position, the UV light source is activated, and the blower is deactivated.
25. The biological safety cabinet as claimed in claim 23 , wherein when the gate is between the first position and the second position, the UV light source is deactivated, and the blower is activated.
26. The biological safety cabinet as claimed in claim 19 , further comprising a line and a pulley block, the line connect in the gate and the weight, running through the pulley block.
27. A biological safety cabinet, comprising:
a cabinet body, comprising an opening;
a soft material chamber, disposed in the cabinet body; and
a three-way pipe, comprising a first portion, a second portion and a third portion, wherein the first portion extends out of the cabinet body through the opening and is connected to the soft material chamber.
28. The biological safety cabinet as claimed in claim 27 , further comprising a particle density detection device, connected to the second pipe to monitor particle density of air in the soft material chamber.
29. The biological safety cabinet as claimed in claim 27 , further comprising a manometer, connected to the third pipe to measure pressure of air in the soft material chamber.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW93111934A TWI249438B (en) | 2004-04-28 | 2004-04-28 | Biological safety cabinet |
TW93111934 | 2004-04-28 | ||
TW93141165A TWI237582B (en) | 2004-12-29 | 2004-12-29 | Biological safety cabinet |
TW93141165 | 2004-12-29 |
Publications (1)
Publication Number | Publication Date |
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US20050245188A1 true US20050245188A1 (en) | 2005-11-03 |
Family
ID=35187730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/113,972 Abandoned US20050245188A1 (en) | 2004-04-28 | 2005-04-26 | Biological safety cabinet |
Country Status (1)
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US (1) | US20050245188A1 (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080149962A1 (en) * | 2006-12-21 | 2008-06-26 | Lg Electronics Inc. | Light emitting device package and method for manufacturing the same |
US20110244775A1 (en) * | 2010-04-02 | 2011-10-06 | Kewaunee Scientific Corporation | Apparatus and method for controlling and directing flow of contaminated air to filters and for monitoring filter loading in a biological safety cabinet |
US20110281514A1 (en) * | 2010-05-11 | 2011-11-17 | Kewaunee Scientific Corporation | Apparatus for directing air flow in a biological safety cabinet |
JP2015166645A (en) * | 2014-03-03 | 2015-09-24 | 三機工業株式会社 | Method for reducing indoor circulating filtered air blowing amount by using partial exhaust gas circulating utilization type safety cabinet and clean room reducing indoor circulation air blowing amount keeping cleanliness by using partial exhaust gas circulating utilization type safety cabinet |
CN105921479A (en) * | 2016-06-30 | 2016-09-07 | 江苏库利南实验设备有限公司 | Ventilation cabinet |
CN109967482A (en) * | 2019-04-11 | 2019-07-05 | 淄博豪迈实验室装备有限公司 | The dedicated no pipe ventilated equipment in laboratory |
US20200393147A1 (en) * | 2018-04-24 | 2020-12-17 | Hitachi Industrial Equipment Systems Co., Ltd. | Safety Cabinet |
CN113058962A (en) * | 2021-04-14 | 2021-07-02 | 北京鸣远诺尔科技有限公司 | Fume chamber with air supply device |
CN113664746A (en) * | 2020-05-14 | 2021-11-19 | 河南德和检测技术有限公司 | Biological safety cabinet wind speed detects uses cloth point device |
US20220234038A1 (en) * | 2019-07-10 | 2022-07-28 | Hitachi Industrial Equipment Systems Co., Ltd. | Safety Cabinet |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080149962A1 (en) * | 2006-12-21 | 2008-06-26 | Lg Electronics Inc. | Light emitting device package and method for manufacturing the same |
US20110244775A1 (en) * | 2010-04-02 | 2011-10-06 | Kewaunee Scientific Corporation | Apparatus and method for controlling and directing flow of contaminated air to filters and for monitoring filter loading in a biological safety cabinet |
US20110281514A1 (en) * | 2010-05-11 | 2011-11-17 | Kewaunee Scientific Corporation | Apparatus for directing air flow in a biological safety cabinet |
JP2015166645A (en) * | 2014-03-03 | 2015-09-24 | 三機工業株式会社 | Method for reducing indoor circulating filtered air blowing amount by using partial exhaust gas circulating utilization type safety cabinet and clean room reducing indoor circulation air blowing amount keeping cleanliness by using partial exhaust gas circulating utilization type safety cabinet |
CN105921479A (en) * | 2016-06-30 | 2016-09-07 | 江苏库利南实验设备有限公司 | Ventilation cabinet |
US20200393147A1 (en) * | 2018-04-24 | 2020-12-17 | Hitachi Industrial Equipment Systems Co., Ltd. | Safety Cabinet |
US11543139B2 (en) * | 2018-04-24 | 2023-01-03 | Hitachi Industrial Equipment Systems Co., Ltd. | Safety cabinet |
CN109967482A (en) * | 2019-04-11 | 2019-07-05 | 淄博豪迈实验室装备有限公司 | The dedicated no pipe ventilated equipment in laboratory |
US20220234038A1 (en) * | 2019-07-10 | 2022-07-28 | Hitachi Industrial Equipment Systems Co., Ltd. | Safety Cabinet |
US11918994B2 (en) * | 2019-07-10 | 2024-03-05 | Hitachi Industrial Equipment Systems Co., Ltd. | Safety cabinet |
CN113664746A (en) * | 2020-05-14 | 2021-11-19 | 河南德和检测技术有限公司 | Biological safety cabinet wind speed detects uses cloth point device |
CN113058962A (en) * | 2021-04-14 | 2021-07-02 | 北京鸣远诺尔科技有限公司 | Fume chamber with air supply device |
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