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1. MYPI 20082761 - CONTROLS FOR VENTILATION & EXHAUST DUCTS & FANS

Office
Malaysia
Application Number PI 20082761
Application Date 24.07.2008
Publication Number PI 20082761
Publication Date 14.08.2008
Publication Kind A
IPC
F24C 15/20
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
COTHER DOMESTIC STOVES OR RANGES; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
15Details
20Removing cooking fumes
F24B 7/02
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
BDOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
7Stoves, ranges, or flue-gas ducts, with additional provisions for convection heating
02with external air ducts
F24F 7/02
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
7Ventilation
02Roof ventilation
F24F 7/06
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
7Ventilation
04with ducting systems
06with forced air circulation, e.g. by fan
Applicants SO KIM LUI
Inventors SO, KIM LUI
Agents CHEW KHERK YING
Priority Data 200601156-3 21.02.2006 SG
Title
(EN) CONTROLS FOR VENTILATION & EXHAUST DUCTS & FANS
Abstract
(EN)
14 ABSTRACT CONTROLS FOR VENTILATION & EXHAUST DUCTS & FANS 5 A VENTILATION OR EXHAUST SYSTEM, HAVING DUCTING, AND A FAN ASSEMBLY FOR PLACEMENT IN DUCTING OF A VENTILATION OR EXHAUST SYSTEM FOR AN ENVIRONMENT SPACE. THE FAN ASSEMBLY HAS A MOTOR HAVING AN OUTPUT SHAFT, A FAN MOUNTED ON THE OUTPUT SHAFT, AND A BRAKE MOUNTED FOR OPERATION ON THE MOTOR. THE BRAKE IS OPERABLE FOR STOPPING ROTATION OF THE MOTOR UPON A DETECTION OF A PRESCRIBED SITUATION ONE OR MORE OF: THE ENVIRONMENTAL SPACE, 10 AND THE DUCTING. ALSO INCLUDED IS A VALVE ASSEMBLY HAVING A VALVE MEMBER FOR PLACEMENT IN THE DUCTING FOR MOVEMENT BETWEEN A FIRST POSITION WHERE THE DUCTING IS SUBSTANTIALLY OPEN, AND A SECOND POSITION WHERE THE DUCTING IS SUBSTANTIALLY CLOSED. THE VALVE MEMBER IS ADAPTED TO MOVE FROM THE FIRST POSITION TO THE SECOND POSITION IN RESPONSE TO AT LEAST ONE DETECTION OF A PRESCRIBED SITUATION. AT LEAST ONE DETECTOR IS PROVIDED FOR 1 5 DETECTING A PRESCRIBED SITUATION, THE DETECTOR BEING FOR CONTROLLING THE OPERATION OF THE BRAKE OF THE FAN ASSEMBLY, AND THE VALVE ASSEMBLY, IN RESPONSE TO THE DETECTING. FIGURE 2