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    • 23. 发明申请
    • EVACUATION APPARATUS
    • 撤离装置
    • US20080080984A1
    • 2008-04-03
    • US11861005
    • 2007-09-25
    • Shiro TANIGAWATakamitsu NAKAYAMARyusuke MUTOMinako TODA
    • Shiro TANIGAWATakamitsu NAKAYAMARyusuke MUTOMinako TODA
    • F04B23/04F04B41/06
    • F04C18/126F04C23/005F04C25/02F04C28/02F04C28/06F04C2220/12F04C2250/102
    • The present invention discloses an evacuation apparatus for evacuating a tank, a chamber, and the like; wherein a mechanical vacuum booster pump is provided at an up-stream side of an exterior side vacuum pump; wherein the mechanical booster pump has a discharge openings for low compression and a discharge opening for discharging a high compression gas; wherein, in case when the exterior side vacuum pump starts discharging a gas, the gas is sent to the exterior side vacuum pump through all of the discharge openings for low compression and the discharge opening for discharging a high compression gas and, in case when the discharged gas pressure reaches afterward an ultimate pressure (a medium vacuum) attainable by the exterior side vacuum pump, the gas is sent to the exterior side vacuum pump only through the discharge opening for discharging a high compression gas.
    • 本发明公开了一种用于抽空罐,腔室等的排气装置; 其中在外侧真空泵的上游侧设置有机械真空增压泵; 其中所述机械增压泵具有用于低压缩的排出口和用于排出高压缩气体的排出口; 其中,在外侧真空泵开始排出气体的情况下,气体通过所有的低压排出口和用于排出高压缩气体的排出口被送到外侧真空泵,而在 排出气体压力之后达到由外侧真空泵可达到的极限压力(中等真空),仅通过用于排出高压缩气体的排出口将气体送至外侧真空泵。
    • 25. 发明授权
    • Scroll fluid machine having a dust seal fitted within annular groove and having ends overlapped in the wider portion of the annular groove
    • 涡旋流体机械具有装配在环形槽内的防尘密封件,并且其端部重叠在环形槽的较宽部分中
    • US07234923B2
    • 2007-06-26
    • US11092320
    • 2005-03-29
    • Toru Sato
    • Toru Sato
    • F04C18/02
    • F04C27/008
    • In a scroll fluid machine, an orbiting scroll engages with a stationary scroll to form a sealed chamber in which fluid can be compressed toward a center with revolution of the orbiting scroll with respect to the stationary scroll. An annular groove is formed near the outer circumference of the stationary scroll. A dust seal fits in the annular groove of the stationary scroll. The annular groove has almost the same width, but has a wider portion having the twice the width as the other. In the wider portion of the annular groove, the ends of the dust seal are overlapped. The overlapped surfaces are rough to engage with each other.
    • 在涡旋流体机器中,绕动涡旋件与固定涡旋件接合以形成密封腔室,在该密封腔室中,流体可以相对于静涡旋盘绕旋转涡旋件的转动朝向中心被压缩。 在固定涡卷的外周附近形成有环状的槽。 防尘密封件装配在固定涡卷的环形槽内。 环形槽具有几乎相同的宽度,但具有宽度相同宽度的两倍。 在环形槽的较宽部分中,防尘密封件的端部重叠。 重叠的表面是粗糙的,以便彼此接合。