Refrigeration – Automatic control – Of external fluid or means
Patent
1981-11-23
1983-09-20
Makay, Albert J.
Refrigeration
Automatic control
Of external fluid or means
62196A, 236 1EA, 236 49, 236 91E, F25D 1700, G05D 2300
Patent
active
044048157
ABSTRACT:
An air conditioning economizer control method and apparatus for integrating the operation of the economizer with an air conditioning system is disclosed. An economizer position control arrangement is further disclosed incorporating a rotor locking circuit for maintaining the damper in position against a bias applied by mechanical means such as a spring. A multiple position indicator or multiple temperature sensor is utilized to modulate the position of the damper utilizing the motor for opening the damper, a spring for returning the damper and a rotor locking circuit for maintaining the damper in position. Multiple temperature sensors are also disclosed for making effective use of outdoor air when cooling through economizer operation is available. Staged cooling loads relative to outdoor ambient temperatures are utilized to select the appropriate mode of operation.
REFERENCES:
patent: 4245481 (1981-01-01), McDermott
patent: 4267967 (1981-05-01), Beck et al.
patent: 4270362 (1981-06-01), Lancia et al.
patent: 4272966 (1981-06-01), Niemann et al.
patent: 4293027 (1981-10-01), Tepe et al.
patent: 4347712 (1982-09-01), Benton et al.
Carrier Corporation
Daley Donald F.
Hayter Robert P.
Makay Albert J.
Tanner Harry
LandOfFree
Air conditioning economizer control method and apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Air conditioning economizer control method and apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Air conditioning economizer control method and apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-582917