Title:
【発明の名称】濁度の測定
Document Type and Number:
Japanese Patent JP3230751
Kind Code:
B2
Abstract:
PCT No. PCT/GB91/00354 Sec. 371 Date Aug. 24, 1992 Sec. 102(e) Date Aug. 24, 1992 PCT Filed Mar. 6, 1991 PCT Pub. No. WO91/14171 PCT Pub. Date Sep. 19, 1991.In measuring the turbidity of a liquid, especially for determining water clarity in a water purification process in which after the addition of flocculant the water is centrifuged, light is emitted as a diffuse beam from a light source and the intensity of light reflected from gas bubbles in the liquid is detected by a photosensor. The light source and photosensor are incorporated in a probe having transparent cylindrical wall. The probe is sealed within a housing confining a liquid receiving chamber. A plurality of seals are provided forming a space containing a cleaning solution. An actuator is coupled to the probe for reciprocating the probe relative to the housing and seals for cleaning deposits from the wall.
Inventors:
Joyce, John, Gareth
Application Number:
JP50500691A
Publication Date:
November 19, 2001
Filing Date:
March 06, 1991
Export Citation:
Assignee:
Alfa Laval Separation Incorporated
International Classes:
B01D21/30; G01N15/06; G01N21/53; G01N15/00; G01N21/15; G01N21/85; (IPC1-7): G01N21/53
Domestic Patent References:
| JP62232540A | ||||
| JP63278508A | ||||
| JP55150365U |
Other References:
【文献】米国特許3263553(US,A)
Attorney, Agent or Firm:
Nobuyuki Kaneda (2 others)