Heat exchange – With alarm – indicator – signal – register – recorder – test or... – Remotely controlled inspection means
Patent
1988-01-29
1990-07-24
Wayner, William E.
Heat exchange
With alarm, indicator, signal, register, recorder, test or...
Remotely controlled inspection means
236 13, 236 493, G05D 2300
Patent
active
049429213
ABSTRACT:
The variable air volume ventilating system includes a control device for driving a fan at continuously variable speeds for delivering air to the space for conditioning purposes. A controller monitors various conditioners of the space, to, in turn, cause the control device to drive the fan at different continuously varying speeds. A light conduit, such as a fiber optic link, interconnects the control device and the controller for supplying a control signal to the control device.
REFERENCES:
patent: 4328926 (1982-05-01), Hall, Jr.
patent: 4394957 (1983-07-01), Newton, III
patent: 4420840 (1983-12-01), Livermore
patent: 4428017 (1984-01-01), Vaerewyca et al.
patent: 4560103 (1985-12-01), Schulz et al.
patent: 4607789 (1986-08-01), Bowman
patent: 4754919 (1988-07-01), Otsuka et al.
Haessig David L.
Hamidi Jamshid
Hort Roger V.
Staefa Control Systems, Inc.
Wayner William E.
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