负压称量室

申请公布号：CN105178645A

申请号：CN201510576688.2

申请日期：2015.09.11

申请公布日期：2015.12.23

申请人：

无锡零界净化设备有限公司

发明人：方静;吴明亮;朱君;唐春林

分类号：E04H5/02(2006.01)I;F24F7/06(2006.01)I;F24F13/28(2006.01)I

主分类号：E04H5/02(2006.01)I

代理机构：

无锡盛阳专利商标事务所(普通合伙) 32227

代理人：张宁;陶纯佳

地址：214125 江苏省无锡市滨湖区太湖镇双新经济园

摘要：本发明提供了负压称量室，其能解决现有负压称量室存在的操作室内送风不均匀、风速不能达到规范要求的问题。其包括称量室本体，称量室本体内设有称量操作室、后部通道及顶部通道，顶部通道内设有静压箱，称量操作室的顶部进风口处安装有高效过滤器，静压箱位于所述高效过滤器的上方，其特征在于：静压箱的内设置有阻尼均流装置，阻尼均流装置包括阻尼均流板，阻尼均流板将所述静压箱的内部空间分隔成前、后两部分，阻尼均流板的上端沿进风方向向静压箱内侧倾斜设置，阻尼均流板上开有若干扩散孔。

主权项：负压称量室，其包括称量室本体，所述称量室本体内设有称量操作室、后部通道及顶部通道，所述顶部通道内设有静压箱，所述称量操作室的顶部进风口处安装有高效过滤器，所述静压箱位于所述高效过滤器的上方，其特征在于：所述静压箱的内设置有阻尼均流装置，所述阻尼均流装置包括阻尼均流板，所述阻尼均流板将所述静压箱的内部空间分隔成前、后两部分，所述阻尼均流板的上端沿进风方向向所述静压箱内侧倾斜设置，所述阻尼均流板上开有若干扩散孔。

Laser beam machining appts. - with fixed beam source and movable controls to keep beam length constant

Foldable table and bench unit - has table top hinged in middle, with hinged linkage to support benches at sides

Motor vehicle headlight unit with halogen lamp - has stiffened thin masking plates eliminating halogen bulb internal masking

Dispenser for esp. washing powder - is operated by hand pressure on movable shaft carrying two discs and passing through reservoir

Slab roof for ramped access to underground car park - can be lowered via jacks to seal access and convert park into shelter

Collector for pools of water on sports courts and pitches - has scraper on frame mounting sponge and pressure rollers

Earth line leakage current detector - has duplicated safety system with each circuit acting inversely to other circuit and using DC supply

Electronic programmer for domestic cooker - utilises clock with calculator controlling duration and stop time of cooking periods, with continuous display

Eccentrically operated furniture connector - has bar carried in furniture groove and tensioned by disc in perpendicular bore using screwdriver slot

Vehicle headlamp alignment control - has screw turned by knob, and including head which presses on flexible leaf to increase friction resistance to reversal

Drawing or painting practice instrument - has roller with peripheral relief patterns mounted on handle

Drill adaptor for driving anchor bolt - utilises disengagement cone clutch to cut drive after set axial advance

Self locking nut mfr. - from blank with oval collar and round tapped hole, rolled to provide round collar and deform tapped hole threads

Dental tooth grinding tool - has working end with adjacent annular relieved portions including sloping sides coated with abrasive material

Mechanical release for back of reclining seat - has control element displaced by annular ramp on shaft provides with springs on both ends

COMMUTATEUR ELECTRIQUE A GAZ COMPRIME

DISPOSITIF DE RETENUE ET DE VERROUILLAGE POUR BERCEAU DE ROUE DE SECOURS

PROTEINES INSOLUBILISEES ET DETERMINATIONS IMMUNOLOGIQUES LES UTILISANT

ENVELOPPE DE BANDAGE PNEUMATIQUE AYANT LA POSSIBILITE DE ROULER A PLAT

DISPOSITIF DE TRANSFERT DE MASSES ENTRE DES FLUIDES AVEC INTERPOSITION D'UN GROUPE DE MEMBRANES A PERMEABILITE SELECTIVE