Ventilation – Having inlet airway – Including automatic control means
Reexamination Certificate
2005-10-04
2008-11-25
McAllister, Steven B (Department: 3749)
Ventilation
Having inlet airway
Including automatic control means
C454S229000, C454S343000, C454S354000
Reexamination Certificate
active
07455583
ABSTRACT:
The invention presents a ventilator capable of obtaining an optimum flow rate required in ordinary ventilation. The ventilator comprises an exhaust fan motor for exhausting room air by force, and a human sensor for detecting the presence of human body. It further comprises a control unit for controlling the fan motor by receiving a signal from the human sensor, and a flow rate adjusting unit for adjusting the ventilation flow rate by the exhaust fan motor. The control unit, when detecting a signal from the human sensor, operates the exhaust fan motor for a specified time at fixed flow rate, and while not detecting, it operates the exhaust fan motor all the time at ventilated flow rate adjusted by the flow rate adjusting unit. During this ordinary operation, the flow rate may be adjusted by the flow rate adjusting unit either steplessly or in multiple steps at small intervals, and thereby a ventilator capable of obtaining an optimum flow rate required in ordinary ventilation can be presented.
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Attached English translation of Japanese Patent No. 09-079623 (machine-generated).
McAllister Steven B
McDermott Will & Emery LLP
O'Reilly, III Patrick F.
Panasonic Corporation
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