Energy saving accessory for air conditioning units

Patent · Tue Jul 19 00:00:00 EDT 1988

OSTI ID:6804709

Espinosa, R

An accessory device to be used with electricity powered cooling systems having a first compressor means including first power relay means for interrupting the electrical power to the main compressor, condensor and evaporator assemblies, evaporator blower means, first thermostat means and a source for control voltage connected to the first thermostat means is described comprising: A. second compressor means of a capacity lower than the capacity of the first compressor means and having its high and low pressure ports piped in parallel to those of the first compressor; B. second power relay means for interrupting the electric power supplied to the second compressor means and the second relay means including an energizing coil; C. first time delay means having an input and an output and the output being connected to the coil of the first power relay means; D. third relay means having an energizing coil and two switch means in tandem; E. second thermostat means and F. second time delay means having an input and an output.

• Assignee: NOV; NOV-88-026172; EDB-88-168901
• Patent Number(s): US 4757694
• OSTI ID: 6804709
• Resource Relation: Patent File Date: Filed date 9 Jun 1986
• Country of Publication: United States
• Language: English

Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
AIR CONDITIONERS
POWER CONDITIONING CIRCUITS
BLOWERS
COMPRESSORS
CONDENSERS
ENERGY EFFICIENCY
ENERGY MANAGEMENT SYSTEMS
EVAPORATORS
RELAYS
SWITCHES
TEMPERATURE CONTROL
THERMOSTATS
TIMING PROPERTIES
CONTROL
CONTROL EQUIPMENT
EFFICIENCY
ELECTRICAL EQUIPMENT
ELECTRONIC CIRCUITS
ENERGY SYSTEMS
EQUIPMENT
320106* - Energy Conservation
Consumption
& Utilization- Building Equipment- (1987-)