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    • 3. 发明授权
    • Gas removal apparatus
    • 除气装置
    • US5438324A
    • 1995-08-01
    • US134964
    • 1993-10-12
    • Lindgren L. ChyiThomas J. Quick
    • Lindgren L. ChyiThomas J. Quick
    • A62B11/00G08B17/10
    • A62B11/00Y10S454/909
    • An apparatus for exhausting contaminant-laden air from a building area includes a monitoring device for determining when a contaminant level has exceeded a preselected value and which provides an output signal when the contaminant level has exceeded said preselected value, a motor-driven exhaust fan and associated conduit means for expelling air from the building area, and a timer-control circuit for actuating the exhaust fan for a predetermined period of time in response to an output signal from the monitor that the concentration of the contaminant has exceeded the preselected level. The apparatus allows for the removal of contaminants from an occupancy area of a building only when the level of the contaminant exceeds a preselected level, and only for a maximum predetermined period of time effective to reduce the amount of contaminant in the air to a safe level, thereby providing effective, energy efficient means for maintaining contaminant concentrations below a desired level.
    • 用于从建筑物区域排出污染物空气的装置包括:监测装置,用于确定污染物水平何时超过预选值,并且当污染物水平超过所述预选值时提供输出信号;马达驱动的排风扇和 用于从建筑物区域排出空气的相关联的管道装置,以及用于响应于来自监视器的输出信号使污染物的浓度已经超过预选水平而使排气风扇致动预定时间段的定时器控制电路。 该装置允许仅当污染物的水平超过预选水平时才能从建筑物的占用区域去除污染物,并且仅在最大预定时间段内有效地将空气中的污染物的量减少到安全水平 从而提供有效的节能手段,用于将污染物浓度维持在期望水平以下。
    • 4. 发明授权
    • Battery powered vacuum unit
    • 电池供电真空单元
    • US4863593A
    • 1989-09-05
    • US152314
    • 1988-02-04
    • Thomas J. Quick
    • Thomas J. Quick
    • F04B35/04
    • F04B35/04
    • Battery powered vacuum unit, useful for suction filtration of water samples in the field. The vacuum unit comprises a miniature piston type air suction pump, driven by a small direct current (DC) motor which in turn is powered by a battery or other 12 volt DC power source. The motor may be controlled by a timer. The motor has a maximum power requirement of about 75 Watts and the suction pump has the ability to produce a vacuum of at least about 12.5 mm of mercury. The entire unit is preferably self-contained in a single housing, and preferably weighs no more than about 5 kilograms (11 pounds).
    • 电池供电的真空单元,可用于现场抽水过滤。 真空单元包括微型活塞式空气抽吸泵,由小直流(DC)电动机驱动,该电动机由电池或其他12伏直流电源供电。 电机可以由定时器控制。 电机的最大功率要求约为75瓦,而抽吸泵具有产生至少约12.5毫米汞柱的真空度的能力。 整个单元优选地独立于单个外壳中,并且优选重量不超过约5公斤(11磅)。