CONTROLLER FOR BLOWER HAVING FILTER

Title:

CONTROLLER FOR BLOWER HAVING FILTER

Document Type and Number:

Japanese Patent JPH05253432

Kind Code:

A

Abstract:

PURPOSE: To stop the operation of a blowing fan when its suction port is closed by any obstruction.

CONSTITUTION: A microcomputer operates a clogging display device and keeps the blowing fan operating when the detected rotating speed R of the blowing fan is above a first set value RS1 (steps S2 to S5, S9, S10). The microcomputer stops the operation of the blowing fan when the detected rotating speed R is above a second set value RS2 (steps S9 and S11). The microcomputer restarts the operation of the blowing fan by the prescribed number of times NS and continues the operation of the blowing fan if the detected rotating speed R is below the second set value RS2 during the time. The microcomputer stops the operation of the blowing fan and triggers a fault alarm in other cases (steps S12 to S18).

Inventors:

Masaaki Ozaki

Application Number:

JP5546492A

Publication Date:

October 05, 1993

Filing Date:

March 13, 1992

Export Citation:

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Assignee:

Toshiba Corporation

International Classes:

B01D46/42; B01D46/46; F24F11/02; F24F11/04; (IPC1-7): B01D46/46; B01D46/42; F24F11/02; F24F11/04

Attorney, Agent or Firm:

Tsuyoshi Sato (1 person outside)

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