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    • 5. 发明专利
    • STEAM EJECTOR APPARATUS
    • JP2003265988A
    • 2003-09-24
    • JP2002069792
    • 2002-03-14
    • TLV CO LTD
    • MITA TETSUYA
    • B05B7/28
    • PROBLEM TO BE SOLVED: To obtain a steam ejector capable of reducing the fluctuation of steam pressure supplied from a discharge pipe and detecting the dryness and the wetness of supplied steam. SOLUTION: A high pressure driving steam pipe 3 and a low pressure suction steam pipe 4 are connected to a suction chamber 1 of a steam ejector 10. A pressure sensor 7 and a dryness and wetness detecting means 8 are attached to a discharge pipe 6. A pressure reducing valve 12 is attached to a by-pass route 11 provided parallel to the steam ejector 10 as a pressure control valve. When the pressure of the steam in the discharge port 6 side decreases to a prescribed value, the pressure of steam in the discharge pipe 6 side is kept in a prescribed range by automatically opening the pressure reducing valve 12 to supply high pressure steam from the driving steam pipe 3 to the discharge pipe 6. COPYRIGHT: (C)2003,JPO
    • 10. 发明专利
    • COATING APPARATUS
    • JPH06246197A
    • 1994-09-06
    • JP7498593
    • 1993-02-23
    • GURAKO KK
    • ISHIKAWA YASUO
    • B05B7/28B05B7/26
    • PURPOSE:To provide a coating apparatus capaple of stably applying a coating material having a high solid content by providing the apparatus with a pressure-operated valve mechanism to prevent the excess application of the pressure to the coating material from occurring by stopping the pump operation synchronously with the shut-off operation of the spray gun, and also providing it with a stroke adjustment mechanism of the pump to prevent the sedimentation of the coating material from occurring. CONSTITUTION:The coating apparatus is provided with the stroke length adjustment mechanism 9 of the pump 2 and the pressure-operated valve mechanism 14 in the air flow passage, by which the pump 2 is automatically stopped at the time of shutting-off the spray gun 3 and the gushing-out of the coating material due to the excess application of the pressure to the coating material at the time of starting the coating work of the spray gun 3 is prevented from occurring. Thus when the spraying work is stopped with the trigger operation of the spray gun 3, the operation of the air motor 8 and accordingly, the operation of the pump 2 can synchronously be stopped. Consequently, the gushing-out of a large amount of the coating material due to its excess pressure applied on the spray gun 3 is prevented from occurring at the time of restarting the coating work. Also the coating material can be transferred by pressure to the spray gun 3 without causing its sedimentation in the pump 2 by the stroke adjustment mechanism 9.