CN107289170B - 通风阀 - Google Patents
通风阀 Download PDFInfo
- Publication number
- CN107289170B CN107289170B CN201610200092.7A CN201610200092A CN107289170B CN 107289170 B CN107289170 B CN 107289170B CN 201610200092 A CN201610200092 A CN 201610200092A CN 107289170 B CN107289170 B CN 107289170B
- Authority
- CN
- China
- Prior art keywords
- gear
- central
- valve body
- blades
- vent valve
- 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.)
- Active
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 11
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 description 12
- 238000012544 monitoring process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/223—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves with a plurality of valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
- F16K1/2014—Shaping of the valve member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
- F16K1/2021—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member with a plurality of valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
- F16K24/04—Devices, e.g. valves, for venting or aerating enclosures for venting only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/535—Mechanical actuating means with toothed gearing for rotating valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanically-Actuated Valves (AREA)
- Air-Flow Control Members (AREA)
- Lift Valve (AREA)
- Measuring Volume Flow (AREA)
Abstract
Description
Claims (9)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610200092.7A CN107289170B (zh) | 2016-03-31 | 2016-03-31 | 通风阀 |
EP16896147.2A EP3444507A4 (en) | 2016-03-31 | 2016-05-04 | VENTILATION VALVE |
US16/089,981 US20190113248A1 (en) | 2016-03-31 | 2016-05-04 | Ventilation valve |
CA3019218A CA3019218A1 (en) | 2016-03-31 | 2016-05-04 | Ventilation valve |
JP2018552005A JP6630851B2 (ja) | 2016-03-31 | 2016-05-04 | ベンチレータ弁 |
KR1020187028686A KR102063127B1 (ko) | 2016-03-31 | 2016-05-04 | 통풍 밸브 |
PCT/CN2016/080990 WO2017166369A1 (zh) | 2016-03-31 | 2016-05-04 | 通风阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610200092.7A CN107289170B (zh) | 2016-03-31 | 2016-03-31 | 通风阀 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107289170A CN107289170A (zh) | 2017-10-24 |
CN107289170B true CN107289170B (zh) | 2020-08-28 |
Family
ID=59962522
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610200092.7A Active CN107289170B (zh) | 2016-03-31 | 2016-03-31 | 通风阀 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20190113248A1 (zh) |
EP (1) | EP3444507A4 (zh) |
JP (1) | JP6630851B2 (zh) |
KR (1) | KR102063127B1 (zh) |
CN (1) | CN107289170B (zh) |
CA (1) | CA3019218A1 (zh) |
WO (1) | WO2017166369A1 (zh) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110145606B (zh) * | 2018-02-11 | 2024-07-05 | 倚世节能科技(上海)有限公司 | 一种通风阀、通风系统及通风柜 |
CN109443455B (zh) * | 2018-11-06 | 2024-03-05 | 中国农业大学 | 风机通风量测试装置及其测试方法 |
CN109269050A (zh) * | 2018-11-08 | 2019-01-25 | 上海士诺净化科技有限公司 | 一种用于新风净化机的风阀结构 |
CN109630695B (zh) * | 2018-12-10 | 2020-08-07 | 彩虹(合肥)液晶玻璃有限公司 | 一种气路开关阀及研磨机 |
CN113983666B (zh) * | 2020-07-10 | 2024-10-18 | 北京同方清环科技有限公司 | 双通道空气通风净化装置及其出风口阀门组件 |
CN113224676B (zh) * | 2021-05-27 | 2023-06-27 | 安徽得润电气技术有限公司 | 一种通风除尘式集装箱变电站 |
CN113404877A (zh) * | 2021-07-21 | 2021-09-17 | 倚世节能科技(上海)有限公司 | 一种通风阀 |
CN113385513A (zh) * | 2021-07-21 | 2021-09-14 | 青岛中科汉维实验室装备科技有限公司 | 一种补风型通风柜 |
CN113863971B (zh) * | 2021-10-31 | 2024-08-09 | 太原理工大学 | 一种煤矿用安全通风装置和工作方法 |
CN114352754B (zh) * | 2021-12-21 | 2023-07-28 | 三峡大学 | 一种能够定量控制节流速度的水利节流阀 |
CN114414138B (zh) * | 2022-01-27 | 2024-03-19 | 江苏君成工业智能科技有限公司 | 一种自动化风量仪 |
CN115978206B (zh) * | 2023-02-21 | 2023-07-21 | 倚世节能科技(上海)有限公司 | 一种内传动阀 |
WO2024174361A1 (zh) * | 2023-02-21 | 2024-08-29 | 倚世节能科技(上海)有限公司 | 一种内传动阀 |
CN116292988A (zh) * | 2023-04-06 | 2023-06-23 | 北华航天工业学院 | 四扇叶泄流装置 |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1978128A (en) * | 1932-03-14 | 1934-10-23 | Clarage Fan Company | Vortex control |
US3095178A (en) * | 1960-06-06 | 1963-06-25 | Titus Mfg Corp | Pivoted vane damper |
JPS55100938U (zh) * | 1978-12-30 | 1980-07-14 | ||
US5674125A (en) * | 1995-01-24 | 1997-10-07 | American Standard Inc. | Fresh air flow modulation device |
DE19541591B4 (de) * | 1995-11-08 | 2010-03-18 | Camfil Farr Power Systems Gmbh | Flügelklappenanordnung für Leitungen großer Nennweiten |
US5807202A (en) * | 1996-09-04 | 1998-09-15 | Sikorsky Aircraft Corporation | Differential speed transmission |
JPH11230380A (ja) * | 1998-02-17 | 1999-08-27 | Hitachi Plant Eng & Constr Co Ltd | 風量調整ダンパ |
JPH11351438A (ja) * | 1998-06-10 | 1999-12-24 | Kubota Corp | バルブ用操作機 |
FR2780133B1 (fr) * | 1998-06-23 | 2000-08-11 | Valeo Climatisation | Obturateur pour conduite de section circulaire, notamment pour systeme de climatisation de vehicule automobile |
CN1218164C (zh) * | 2002-07-25 | 2005-09-07 | 浙江大学 | 大风道中的多风道风量测量方法及装置 |
US6991177B2 (en) * | 2004-02-06 | 2006-01-31 | Fred George | Multi-valve damper for controlling airflow and method for controlling airflow |
KR100852875B1 (ko) * | 2007-05-29 | 2008-08-19 | 삼원기술 주식회사 | 댐퍼식 유량조절장치 |
CN201100426Y (zh) * | 2007-10-01 | 2008-08-13 | 李彦华 | 瓣式对开齿联通风阀 |
CN101303364A (zh) * | 2008-07-09 | 2008-11-12 | 上海理工大学 | 热线式单向流风速特性测试仪 |
JP5716210B2 (ja) * | 2010-11-04 | 2015-05-13 | 山本 翼 | 風力発電装置 |
CH704831A1 (de) * | 2011-04-14 | 2012-10-15 | Belimo Holding Ag | Verfahren sowie System zur automatisierten Funktionskontrolle in einer Heizungs-, Lüftungs- und Klimaanlage. |
US9506668B2 (en) * | 2011-05-03 | 2016-11-29 | Broan-Nutone Llc | Make-up air system and method |
CN102392887B (zh) * | 2011-09-29 | 2014-03-12 | 捷和电机(深圳)有限公司 | 电动设备的后桥 |
CN202420572U (zh) * | 2011-12-21 | 2012-09-05 | 重庆威巴仪器有限责任公司 | 多点横截面式风量测量装置 |
CN202469109U (zh) * | 2012-02-28 | 2012-10-03 | 梁文靖 | 远程测控定风量阀 |
CN202733020U (zh) * | 2012-06-15 | 2013-02-13 | 中交天航南方交通建设有限公司 | 双驱动式闸板阀 |
CN202972022U (zh) * | 2012-11-30 | 2013-06-05 | 湖北万安环保石化设备有限公司 | 一种双联机械阀 |
CN103336141A (zh) * | 2013-06-20 | 2013-10-02 | 国家电网公司 | 基于静压原理的风速风量测量装置 |
CN103758770B (zh) * | 2013-12-13 | 2017-04-12 | 湖北省风机厂有限公司 | 一种离心风机圆形齿轮传动调节门 |
EP2960591A1 (en) * | 2014-06-27 | 2015-12-30 | Koolair, S.A. | Air diffuser with automatic temperature adjustment |
CN204267756U (zh) * | 2014-11-28 | 2015-04-15 | 嘉兴鸿利机械有限公司 | 可定位风阀 |
CN204717002U (zh) * | 2015-05-22 | 2015-10-21 | 阮红正 | 通风阀 |
CN206036337U (zh) * | 2016-03-31 | 2017-03-22 | 倚世节能科技(上海)有限公司 | 通风阀 |
-
2016
- 2016-03-31 CN CN201610200092.7A patent/CN107289170B/zh active Active
- 2016-05-04 KR KR1020187028686A patent/KR102063127B1/ko active IP Right Grant
- 2016-05-04 EP EP16896147.2A patent/EP3444507A4/en not_active Withdrawn
- 2016-05-04 US US16/089,981 patent/US20190113248A1/en not_active Abandoned
- 2016-05-04 WO PCT/CN2016/080990 patent/WO2017166369A1/zh active Application Filing
- 2016-05-04 CA CA3019218A patent/CA3019218A1/en not_active Abandoned
- 2016-05-04 JP JP2018552005A patent/JP6630851B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
US20190113248A1 (en) | 2019-04-18 |
EP3444507A1 (en) | 2019-02-20 |
WO2017166369A1 (zh) | 2017-10-05 |
CA3019218A1 (en) | 2017-10-05 |
CN107289170A (zh) | 2017-10-24 |
JP2019512656A (ja) | 2019-05-16 |
KR102063127B1 (ko) | 2020-01-07 |
WO2017166369A8 (zh) | 2017-12-14 |
KR20180121964A (ko) | 2018-11-09 |
JP6630851B2 (ja) | 2020-01-15 |
EP3444507A4 (en) | 2019-11-27 |
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