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    • 7. 发明申请
    • ULTRA-PURE WATER SUPPLY PIPING ARRANGEMENT APPARATUS
    • 超纯水管道布置装置
    • WO1990000155A1
    • 1990-01-11
    • PCT/JP1989000648
    • 1989-06-29
    • OHMI, TadahiroKAWAKAMI, MichiyaSHIBATA, TadashiUMEDA, Masaru
    • C02F01/00
    • B01D61/22C02F1/006C02F1/32C02F1/444Y10S210/90
    • In a ultra-pure water supply piping arrangement apparatus including a circulation water tank (502) for storing primary pure water from a primary pure water production apparatus, a pump (503) for pressure-feeding the primary pure water from the circulation water tank, a return pipe (510) one of the ends of which is connected to a final purifier for purifying the primary pure water from the pump to ultra-pure water, a plurality of connection pipes (513 ∩ 515) to one end of which the other end of the return pipe is connected, branch pipes (516 ∩ 518) connected between the intermediate portions of the connection pipes and a ultra-pure water using apparatus and having branch valves (516 ∩ 518) for adjusting the feed water quantity and a return pipe (512) connected to the other end of each connection pipe and the circulation water tank, the present invention provides a piping arrangement apparatus which includes means for controlling the output of the pump by detecting the pressure of water passing through the return pipe so as to keep the pressure of passing water constant and supply always a predetermined quantity of ultra-pure water to the ultra-pure water using apparatus, which can prevent backflow from the return pipe to the ultra-pure water using apparatus and which can always supply stably the ultra-pure water having ultra-high purity.
    • 10. 发明申请
    • GAS SUPPLY PIPELINE SYSTEM FOR PROCESS EQUIPMENT
    • 用于过程设备的气体供应管道系统
    • WO1990000633A1
    • 1990-01-25
    • PCT/JP1989000690
    • 1989-07-07
    • OHMI, TadahiroNAKAHARA, FumioSATOH, TuyosiUMEDA, Masaru
    • C23C16/44
    • B08B9/0325C23C14/564C23C16/4402C23C16/4404
    • A gas supply pipeline system for process equipment, adapted to supply at least two kinds of process gas, and provided with at least two valves (135, 136, 139, 140) installed in each of independent flow passages formed between process gas supply pipelines and a purge gas supply pipe line, and at least two valves (137, 138, 141, 142) installed in each of a plurality of flow passages formed between the process gas supply pipelines and the pipelines in the process equipment. Each of the process gas supply pipelines and each of the pipelines in the process equipment can be purged and vacuumed by at least two valves in each of these flow passages that are opened or closed independently, and the stagnation of a gas in the pipelines not in use can be prevented by introducing a purge gas constantly thereinto.
    • 一种用于工艺设备的气体供应管道系统,适于提供至少两种工艺气体,并且设置有至少两个安装在过程气体供应管线和工艺气体供应管线之间形成的独立流动通道中的阀门(135,136,139,140) 吹扫气体供给管线和至少两个安装在处理设备中的处理气体供应管线和管道之间形成的多个流动通道中的每一个中的阀门(137,138,141,142)。 处理设备中的每个工艺气体供应管线和每个管道可以通过独立打开或关闭的这些流动通道中的每一个中的至少两个阀进行清洗和抽真空,并且管道中的气体停滞在 可以通过恒定地引入吹扫气体来防止使用。