Material conveyance device and material conveyance method
AssigneeMatsui Mfg. Co., Ltd.
InventorsKazunari HANAOKA, Saiji YAMASHITA, Takahiro MATSUDA
Life of this patent
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Abstract
A material conveyance device that has an inverter converting a frequency of an alternating-current source and a suction air source having an electric motor driven by the inverter and pneumatically conveys a material by the suction air source through a pipe for conveying the material, includes: a physical quantity detector that detects a physical quantity related to an output of the inverter; and a controller that controls an air volume or an air speed by the suction air source based on the physical quantity detected by the physical quantity detector.
Claims15
1-14. (canceled)
A material conveyance device that has an inverter converting a frequency of an alternating-current source and a suction air source having an electric motor driven by the inverter and pneumatically conveys a material by the suction air source through a pipe for conveying the material, the material conveyance device comprising:
- a physical quantity detector that detects a physical quantity related to an output of the inverter;
- and
- a controller that controls an air volume or an air speed by the suction air source based on the physical quantity detected by the physical quantity detector.
A material conveyance method by a material conveyance device that has an inverter converting a frequency of an alternating-current source and a suction air source having an electric motor driven by the inverter and pneumatically conveys a material by the suction air source through a pipe for conveying the material, the material conveying method comprising:
- a step of detecting a physical quantity related to an output of the inverter;
- and
- a step of controlling an air volume or an air speed by the suction air source based on the detected physical quantity.
Dependencies are inferred from the claim text.