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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0939384 (1978-09-05) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 110 인용 특허 : 0 |
A particle monitoring device located in a line carrying a moving fluid, as air, containing particles. The device has a particle sensing member providing audio signals that are in proportion to the amount of particles moving with the fluid. The sensing member is a flexible sheet member closing an ope
An apparatus for sensing particles in a flowing fluid comprising: first means having a first passage for carrying fluid, second means having a second passage for carrying fluid, connecting means joining the first means with the second means, said first means extended toward the connecting means and
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